illumos/illumos-gate: usr/src/uts/common/fs/zfs/zfs

annotate usr/src/uts/common/fs/zfs/zfs_vfsops.c @ 13980:d7059eb1884c

3598 want to dtrace when errors are generated in zfs Reviewed by: Dan Kimmel <dan.kimmel@delphix.com> Reviewed by: Adam Leventhal <ahl@delphix.com> Reviewed by: Christopher Siden <christopher.siden@delphix.com> Approved by: Garrett D'Amore <garrett@damore.org>

author	Matthew Ahrens <mahrens@delphix.com>
date	Fri, 08 Mar 2013 10:41:28 -0800
parents	4972ab336f54
children	6a5a2f4a47db

rev	line source
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2 * CDDL HEADER START
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	3 *
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	4 * The contents of this file are subject to the terms of the
1484 d330e98f8ed7 6350001 ZFS lookup performance still much slower than UFS : help tar : help spec SFS ek110237 parents: 1298 diff changeset	5 * Common Development and Distribution License (the "License").
d330e98f8ed7 6350001 ZFS lookup performance still much slower than UFS : help tar : help spec SFS ek110237 parents: 1298 diff changeset	6 * You may not use this file except in compliance with the License.
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	7 *
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	9 * or http://www.opensolaris.org/os/licensing.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	10 * See the License for the specific language governing permissions
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	11 * and limitations under the License.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	12 *
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	13 * When distributing Covered Code, include this CDDL HEADER in each
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	15 * If applicable, add the following below this CDDL HEADER, with the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	16 * fields enclosed by brackets "[]" replaced with your own identifying
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	17 * information: Portions Copyright [yyyy] [name of copyright owner]
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	18 *
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	19 * CDDL HEADER END
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	20 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	21 /*
12070 01261b276236 6940770 panic in sa_find_idx_tab() after receiving into pool when version shouldn't have allowed it Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11935 diff changeset	22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	23 * Copyright (c) 2013 by Delphix. All rights reserved.
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	24 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	25
12294 2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	26 /* Portions Copyright 2010 Robert Milkowski */
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	27
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	28 #include <sys/types.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	29 #include <sys/param.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	30 #include <sys/systm.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	31 #include <sys/sysmacros.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	32 #include <sys/kmem.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	33 #include <sys/pathname.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	34 #include <sys/vnode.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	35 #include <sys/vfs.h>
3898 c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	36 #include <sys/vfs_opreg.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	37 #include <sys/mntent.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	38 #include <sys/mount.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	39 #include <sys/cmn_err.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	40 #include "fs/fs_subr.h"
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	41 #include <sys/zfs_znode.h>
3461 c19b22f347d6 6514331 in-memory delete queue is not needed ahrens parents: 3265 diff changeset	42 #include <sys/zfs_dir.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	43 #include <sys/zil.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	44 #include <sys/fs/zfs.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	45 #include <sys/dmu.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	46 #include <sys/dsl_prop.h>
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	47 #include <sys/dsl_dataset.h>
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	48 #include <sys/dsl_deleg.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	49 #include <sys/spa.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	50 #include <sys/zap.h>
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	51 #include <sys/sa.h>
13835 eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	52 #include <sys/sa_impl.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	53 #include <sys/varargs.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	54 #include <sys/policy.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	55 #include <sys/atomic.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	56 #include <sys/mkdev.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	57 #include <sys/modctl.h>
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	58 #include <sys/refstr.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	59 #include <sys/zfs_ioctl.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	60 #include <sys/zfs_ctldir.h>
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	61 #include <sys/zfs_fuid.h>
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	62 #include <sys/bootconf.h>
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	63 #include <sys/sunddi.h>
1484 d330e98f8ed7 6350001 ZFS lookup performance still much slower than UFS : help tar : help spec SFS ek110237 parents: 1298 diff changeset	64 #include <sys/dnlc.h>
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	65 #include <sys/dmu_objset.h>
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	66 #include <sys/spa_boot.h>
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	67 #include "zfs_comutil.h"
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	68
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	69 int zfsfstype;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	70 vfsops_t *zfs_vfsops = NULL;
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	71 static major_t zfs_major;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	72 static minor_t zfs_minor;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	73 static kmutex_t zfs_dev_mtx;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	74
9234 bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	75 extern int sys_shutdown;
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	76
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	77 static int zfs_mount(vfs_t vfsp, vnode_t mvp, struct mounta uap, cred_t cr);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	78 static int zfs_umount(vfs_t vfsp, int fflag, cred_t cr);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	79 static int zfs_mountroot(vfs_t *vfsp, enum whymountroot);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	80 static int zfs_root(vfs_t vfsp, vnode_t *vpp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	81 static int zfs_statvfs(vfs_t vfsp, struct statvfs64 statp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	82 static int zfs_vget(vfs_t vfsp, vnode_t vpp, fid_t fidp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	83 static void zfs_freevfs(vfs_t *vfsp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	84
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	85 static const fs_operation_def_t zfs_vfsops_template[] = {
3898 c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	86 VFSNAME_MOUNT, { .vfs_mount = zfs_mount },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	87 VFSNAME_MOUNTROOT, { .vfs_mountroot = zfs_mountroot },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	88 VFSNAME_UNMOUNT, { .vfs_unmount = zfs_umount },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	89 VFSNAME_ROOT, { .vfs_root = zfs_root },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	90 VFSNAME_STATVFS, { .vfs_statvfs = zfs_statvfs },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	91 VFSNAME_SYNC, { .vfs_sync = zfs_sync },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	92 VFSNAME_VGET, { .vfs_vget = zfs_vget },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	93 VFSNAME_FREEVFS, { .vfs_freevfs = zfs_freevfs },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	94 NULL, NULL
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	95 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	96
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	97 static const fs_operation_def_t zfs_vfsops_eio_template[] = {
3898 c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	98 VFSNAME_FREEVFS, { .vfs_freevfs = zfs_freevfs },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	99 NULL, NULL
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	100 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	101
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	102 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	103 * We need to keep a count of active fs's.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	104 * This is necessary to prevent our module
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	105 * from being unloaded after a umount -f
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	106 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	107 static uint32_t zfs_active_fs_count = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	108
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	109 static char *noatime_cancel[] = { MNTOPT_ATIME, NULL };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	110 static char *atime_cancel[] = { MNTOPT_NOATIME, NULL };
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	111 static char *noxattr_cancel[] = { MNTOPT_XATTR, NULL };
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	112 static char *xattr_cancel[] = { MNTOPT_NOXATTR, NULL };
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	113
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	114 /*
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	115 * MO_DEFAULT is not used since the default value is determined
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	116 * by the equivalent property.
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	117 */
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	118 static mntopt_t mntopts[] = {
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	119 { MNTOPT_NOXATTR, noxattr_cancel, NULL, 0, NULL },
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	120 { MNTOPT_XATTR, xattr_cancel, NULL, 0, NULL },
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	121 { MNTOPT_NOATIME, noatime_cancel, NULL, 0, NULL },
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	122 { MNTOPT_ATIME, atime_cancel, NULL, 0, NULL }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	123 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	124
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	125 static mntopts_t zfs_mntopts = {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	126 sizeof (mntopts) / sizeof (mntopt_t),
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	127 mntopts
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	128 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	129
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	130 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	131 int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	132 zfs_sync(vfs_t vfsp, short flag, cred_t cr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	133 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	134 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	135 * Data integrity is job one. We don't want a compromised kernel
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	136 * writing to the storage pool, so we never sync during panic.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	137 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	138 if (panicstr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	139 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	140
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	141 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	142 * SYNC_ATTR is used by fsflush() to force old filesystems like UFS
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	143 * to sync metadata, which they would otherwise cache indefinitely.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	144 * Semantically, the only requirement is that the sync be initiated.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	145 * The DMU syncs out txgs frequently, so there's nothing to do.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	146 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	147 if (flag & SYNC_ATTR)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	148 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	149
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	150 if (vfsp != NULL) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	151 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	152 * Sync a specific filesystem.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	153 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	154 zfsvfs_t *zfsvfs = vfsp->vfs_data;
9234 bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	155 dsl_pool_t *dp;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	156
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	157 ZFS_ENTER(zfsvfs);
9234 bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	158 dp = dmu_objset_pool(zfsvfs->z_os);
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	159
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	160 /*
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	161 * If the system is shutting down, then skip any
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	162 * filesystems which may exist on a suspended pool.
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	163 */
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	164 if (sys_shutdown && spa_suspended(dp->dp_spa)) {
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	165 ZFS_EXIT(zfsvfs);
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	166 return (0);
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	167 }
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	168
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	169 if (zfsvfs->z_log != NULL)
12699 36aebb51164a 6913010 assertion failed: error\|\|lr->lr_length <= zp->z_blksz, file: ../../common/fs/zfs/zfs_vnops.c Neil Perrin <Neil.Perrin@Sun.COM> parents: 12633 diff changeset	170 zil_commit(zfsvfs->z_log, 0);
12294 2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	171
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	172 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	173 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	174 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	175 * Sync all ZFS filesystems. This is what happens when you
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	176 * run sync(1M). Unlike other filesystems, ZFS honors the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	177 * request by waiting for all pools to commit all dirty data.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	178 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	179 spa_sync_allpools();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	180 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	181
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	182 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	183 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	184
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	185 static int
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	186 zfs_create_unique_device(dev_t *dev)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	187 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	188 major_t new_major;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	189
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	190 do {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	191 ASSERT3U(zfs_minor, <=, MAXMIN32);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	192 minor_t start = zfs_minor;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	193 do {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	194 mutex_enter(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	195 if (zfs_minor >= MAXMIN32) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	196 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	197 * If we're still using the real major
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	198 * keep out of /dev/zfs and /dev/zvol minor
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	199 * number space. If we're using a getudev()'ed
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	200 * major number, we can use all of its minors.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	201 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	202 if (zfs_major == ddi_name_to_major(ZFS_DRIVER))
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	203 zfs_minor = ZFS_MIN_MINOR;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	204 else
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	205 zfs_minor = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	206 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	207 zfs_minor++;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	208 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	209 *dev = makedevice(zfs_major, zfs_minor);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	210 mutex_exit(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	211 } while (vfs_devismounted(*dev) && zfs_minor != start);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	212 if (zfs_minor == start) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	213 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	214 * We are using all ~262,000 minor numbers for the
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	215 * current major number. Create a new major number.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	216 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	217 if ((new_major = getudev()) == (major_t)-1) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	218 cmn_err(CE_WARN,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	219 "zfs_mount: Can't get unique major "
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	220 "device number.");
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	221 return (-1);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	222 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	223 mutex_enter(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	224 zfs_major = new_major;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	225 zfs_minor = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	226
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	227 mutex_exit(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	228 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	229 break;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	230 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	231 /* CONSTANTCONDITION */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	232 } while (1);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	233
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	234 return (0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	235 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	236
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	237 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	238 atime_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	239 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	240 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	241
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	242 if (newval == TRUE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	243 zfsvfs->z_atime = TRUE;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	244 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOATIME);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	245 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_ATIME, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	246 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	247 zfsvfs->z_atime = FALSE;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	248 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_ATIME);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	249 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOATIME, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	250 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	251 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	252
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	253 static void
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	254 xattr_changed_cb(void *arg, uint64_t newval)
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	255 {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	256 zfsvfs_t *zfsvfs = arg;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	257
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	258 if (newval == TRUE) {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	259 /* XXX locking on vfs_flag? */
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	260 zfsvfs->z_vfs->vfs_flag \|= VFS_XATTR;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	261 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOXATTR);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	262 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_XATTR, NULL, 0);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	263 } else {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	264 /* XXX locking on vfs_flag? */
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	265 zfsvfs->z_vfs->vfs_flag &= ~VFS_XATTR;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	266 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_XATTR);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	267 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOXATTR, NULL, 0);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	268 }
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	269 }
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	270
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	271 static void
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	272 blksz_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	273 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	274 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	275
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	276 if (newval < SPA_MINBLOCKSIZE \|\|
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	277 newval > SPA_MAXBLOCKSIZE \|\| !ISP2(newval))
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	278 newval = SPA_MAXBLOCKSIZE;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	279
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	280 zfsvfs->z_max_blksz = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	281 zfsvfs->z_vfs->vfs_bsize = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	282 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	283
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	284 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	285 readonly_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	286 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	287 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	288
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	289 if (newval) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	290 /* XXX locking on vfs_flag? */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	291 zfsvfs->z_vfs->vfs_flag \|= VFS_RDONLY;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	292 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_RW);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	293 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_RO, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	294 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	295 /* XXX locking on vfs_flag? */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	296 zfsvfs->z_vfs->vfs_flag &= ~VFS_RDONLY;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	297 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_RO);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	298 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_RW, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	299 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	300 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	301
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	302 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	303 devices_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	304 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	305 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	306
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	307 if (newval == FALSE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	308 zfsvfs->z_vfs->vfs_flag \|= VFS_NODEVICES;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	309 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_DEVICES);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	310 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NODEVICES, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	311 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	312 zfsvfs->z_vfs->vfs_flag &= ~VFS_NODEVICES;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	313 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NODEVICES);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	314 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_DEVICES, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	315 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	316 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	317
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	318 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	319 setuid_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	320 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	321 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	322
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	323 if (newval == FALSE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	324 zfsvfs->z_vfs->vfs_flag \|= VFS_NOSETUID;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	325 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_SETUID);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	326 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOSETUID, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	327 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	328 zfsvfs->z_vfs->vfs_flag &= ~VFS_NOSETUID;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	329 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOSETUID);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	330 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_SETUID, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	331 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	332 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	333
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	334 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	335 exec_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	336 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	337 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	338
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	339 if (newval == FALSE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	340 zfsvfs->z_vfs->vfs_flag \|= VFS_NOEXEC;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	341 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_EXEC);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	342 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOEXEC, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	343 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	344 zfsvfs->z_vfs->vfs_flag &= ~VFS_NOEXEC;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	345 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOEXEC);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	346 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_EXEC, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	347 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	348 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	349
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	350 /*
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	351 * The nbmand mount option can be changed at mount time.
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	352 * We can't allow it to be toggled on live file systems or incorrect
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	353 * behavior may be seen from cifs clients
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	354 *
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	355 * This property isn't registered via dsl_prop_register(), but this callback
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	356 * will be called when a file system is first mounted
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	357 */
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	358 static void
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	359 nbmand_changed_cb(void *arg, uint64_t newval)
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	360 {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	361 zfsvfs_t *zfsvfs = arg;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	362 if (newval == FALSE) {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	363 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NBMAND);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	364 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NONBMAND, NULL, 0);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	365 } else {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	366 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NONBMAND);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	367 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NBMAND, NULL, 0);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	368 }
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	369 }
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	370
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	371 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	372 snapdir_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	373 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	374 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	375
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	376 zfsvfs->z_show_ctldir = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	377 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	378
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	379 static void
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	380 vscan_changed_cb(void *arg, uint64_t newval)
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	381 {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	382 zfsvfs_t *zfsvfs = arg;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	383
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	384 zfsvfs->z_vscan = newval;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	385 }
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	386
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	387 static void
13370 8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	388 acl_mode_changed_cb(void *arg, uint64_t newval)
8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	389 {
8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	390 zfsvfs_t *zfsvfs = arg;
8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	391
8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	392 zfsvfs->z_acl_mode = newval;
8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	393 }
8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	394
8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	395 static void
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	396 acl_inherit_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	397 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	398 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	399
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	400 zfsvfs->z_acl_inherit = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	401 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	402
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	403 static int
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	404 zfs_register_callbacks(vfs_t *vfsp)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	405 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	406 struct dsl_dataset *ds = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	407 objset_t *os = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	408 zfsvfs_t *zfsvfs = NULL;
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	409 uint64_t nbmand;
13952 7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	410 boolean_t readonly = B_FALSE;
7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	411 boolean_t do_readonly = B_FALSE;
7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	412 boolean_t setuid = B_FALSE;
7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	413 boolean_t do_setuid = B_FALSE;
7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	414 boolean_t exec = B_FALSE;
7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	415 boolean_t do_exec = B_FALSE;
7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	416 boolean_t devices = B_FALSE;
7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	417 boolean_t do_devices = B_FALSE;
7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	418 boolean_t xattr = B_FALSE;
7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	419 boolean_t do_xattr = B_FALSE;
7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	420 boolean_t atime = B_FALSE;
7a22d0770fc8 3522 zfs module should not allow uninitialized variables George Wilson <george.wilson@delphix.com> parents: 13835 diff changeset	421 boolean_t do_atime = B_FALSE;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	422 int error = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	423
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	424 ASSERT(vfsp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	425 zfsvfs = vfsp->vfs_data;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	426 ASSERT(zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	427 os = zfsvfs->z_os;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	428
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	429 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	430 * The act of registering our callbacks will destroy any mount
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	431 * options we may have. In order to enable temporary overrides
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	432 * of mount options, we stash away the current values and
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	433 * restore them after we register the callbacks.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	434 */
13061 bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	435 if (vfs_optionisset(vfsp, MNTOPT_RO, NULL) \|\|
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	436 !spa_writeable(dmu_objset_spa(os))) {
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	437 readonly = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	438 do_readonly = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	439 } else if (vfs_optionisset(vfsp, MNTOPT_RW, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	440 readonly = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	441 do_readonly = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	442 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	443 if (vfs_optionisset(vfsp, MNTOPT_NOSUID, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	444 devices = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	445 setuid = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	446 do_devices = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	447 do_setuid = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	448 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	449 if (vfs_optionisset(vfsp, MNTOPT_NODEVICES, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	450 devices = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	451 do_devices = B_TRUE;
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	452 } else if (vfs_optionisset(vfsp, MNTOPT_DEVICES, NULL)) {
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	453 devices = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	454 do_devices = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	455 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	456
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	457 if (vfs_optionisset(vfsp, MNTOPT_NOSETUID, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	458 setuid = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	459 do_setuid = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	460 } else if (vfs_optionisset(vfsp, MNTOPT_SETUID, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	461 setuid = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	462 do_setuid = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	463 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	464 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	465 if (vfs_optionisset(vfsp, MNTOPT_NOEXEC, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	466 exec = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	467 do_exec = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	468 } else if (vfs_optionisset(vfsp, MNTOPT_EXEC, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	469 exec = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	470 do_exec = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	471 }
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	472 if (vfs_optionisset(vfsp, MNTOPT_NOXATTR, NULL)) {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	473 xattr = B_FALSE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	474 do_xattr = B_TRUE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	475 } else if (vfs_optionisset(vfsp, MNTOPT_XATTR, NULL)) {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	476 xattr = B_TRUE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	477 do_xattr = B_TRUE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	478 }
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	479 if (vfs_optionisset(vfsp, MNTOPT_NOATIME, NULL)) {
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	480 atime = B_FALSE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	481 do_atime = B_TRUE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	482 } else if (vfs_optionisset(vfsp, MNTOPT_ATIME, NULL)) {
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	483 atime = B_TRUE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	484 do_atime = B_TRUE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	485 }
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	486
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	487 /*
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	488 * nbmand is a special property. It can only be changed at
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	489 * mount time.
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	490 *
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	491 * This is weird, but it is documented to only be changeable
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	492 * at mount time.
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	493 */
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	494 if (vfs_optionisset(vfsp, MNTOPT_NONBMAND, NULL)) {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	495 nbmand = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	496 } else if (vfs_optionisset(vfsp, MNTOPT_NBMAND, NULL)) {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	497 nbmand = B_TRUE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	498 } else {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	499 char osname[MAXNAMELEN];
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	500
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	501 dmu_objset_name(os, osname);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	502 if (error = dsl_prop_get_integer(osname, "nbmand", &nbmand,
7265 cc18862247da PSARC/2008/483 ZFS clone -o ahrens parents: 7184 diff changeset	503 NULL)) {
cc18862247da PSARC/2008/483 ZFS clone -o ahrens parents: 7184 diff changeset	504 return (error);
cc18862247da PSARC/2008/483 ZFS clone -o ahrens parents: 7184 diff changeset	505 }
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	506 }
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	507
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	508 /*
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	509 * Register property callbacks.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	510 *
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	511 * It would probably be fine to just check for i/o error from
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	512 * the first prop_register(), but I guess I like to go
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	513 * overboard...
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	514 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	515 ds = dmu_objset_ds(os);
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	516 dsl_pool_config_enter(dmu_objset_pool(os), FTAG);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	517 error = dsl_prop_register(ds,
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	518 zfs_prop_to_name(ZFS_PROP_ATIME), atime_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	519 error = error ? error : dsl_prop_register(ds,
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	520 zfs_prop_to_name(ZFS_PROP_XATTR), xattr_changed_cb, zfsvfs);
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	521 error = error ? error : dsl_prop_register(ds,
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	522 zfs_prop_to_name(ZFS_PROP_RECORDSIZE), blksz_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	523 error = error ? error : dsl_prop_register(ds,
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	524 zfs_prop_to_name(ZFS_PROP_READONLY), readonly_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	525 error = error ? error : dsl_prop_register(ds,
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	526 zfs_prop_to_name(ZFS_PROP_DEVICES), devices_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	527 error = error ? error : dsl_prop_register(ds,
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	528 zfs_prop_to_name(ZFS_PROP_SETUID), setuid_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	529 error = error ? error : dsl_prop_register(ds,
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	530 zfs_prop_to_name(ZFS_PROP_EXEC), exec_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	531 error = error ? error : dsl_prop_register(ds,
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	532 zfs_prop_to_name(ZFS_PROP_SNAPDIR), snapdir_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	533 error = error ? error : dsl_prop_register(ds,
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	534 zfs_prop_to_name(ZFS_PROP_ACLMODE), acl_mode_changed_cb, zfsvfs);
13370 8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	535 error = error ? error : dsl_prop_register(ds,
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	536 zfs_prop_to_name(ZFS_PROP_ACLINHERIT), acl_inherit_changed_cb,
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	537 zfsvfs);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	538 error = error ? error : dsl_prop_register(ds,
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	539 zfs_prop_to_name(ZFS_PROP_VSCAN), vscan_changed_cb, zfsvfs);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	540 dsl_pool_config_exit(dmu_objset_pool(os), FTAG);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	541 if (error)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	542 goto unregister;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	543
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	544 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	545 * Invoke our callbacks to restore temporary mount options.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	546 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	547 if (do_readonly)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	548 readonly_changed_cb(zfsvfs, readonly);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	549 if (do_setuid)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	550 setuid_changed_cb(zfsvfs, setuid);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	551 if (do_exec)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	552 exec_changed_cb(zfsvfs, exec);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	553 if (do_devices)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	554 devices_changed_cb(zfsvfs, devices);
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	555 if (do_xattr)
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	556 xattr_changed_cb(zfsvfs, xattr);
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	557 if (do_atime)
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	558 atime_changed_cb(zfsvfs, atime);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	559
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	560 nbmand_changed_cb(zfsvfs, nbmand);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	561
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	562 return (0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	563
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	564 unregister:
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	565 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	566 * We may attempt to unregister some callbacks that are not
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	567 * registered, but this is OK; it will simply return ENOMSG,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	568 * which we will ignore.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	569 */
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	570 (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_ATIME),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	571 atime_changed_cb, zfsvfs);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	572 (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_XATTR),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	573 xattr_changed_cb, zfsvfs);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	574 (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_RECORDSIZE),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	575 blksz_changed_cb, zfsvfs);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	576 (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_READONLY),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	577 readonly_changed_cb, zfsvfs);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	578 (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_DEVICES),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	579 devices_changed_cb, zfsvfs);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	580 (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_SETUID),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	581 setuid_changed_cb, zfsvfs);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	582 (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_EXEC),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	583 exec_changed_cb, zfsvfs);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	584 (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_SNAPDIR),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	585 snapdir_changed_cb, zfsvfs);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	586 (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_ACLMODE),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	587 acl_mode_changed_cb, zfsvfs);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	588 (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_ACLINHERIT),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	589 acl_inherit_changed_cb, zfsvfs);
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	590 (void) dsl_prop_unregister(ds, zfs_prop_to_name(ZFS_PROP_VSCAN),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	591 vscan_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	592 return (error);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	593 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	594
10407 34e10c4af053 6875779 zfs user accounting callbacks can be simplified Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10342 diff changeset	595 static int
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	596 zfs_space_delta_cb(dmu_object_type_t bonustype, void *data,
10407 34e10c4af053 6875779 zfs user accounting callbacks can be simplified Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10342 diff changeset	597 uint64_t userp, uint64_t groupp)
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	598 {
12178 93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	599 /*
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	600 * Is it a valid type of object to track?
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	601 */
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	602 if (bonustype != DMU_OT_ZNODE && bonustype != DMU_OT_SA)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	603 return (SET_ERROR(ENOENT));
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	604
12178 93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	605 /*
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	606 * If we have a NULL data pointer
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	607 * then assume the id's aren't changing and
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	608 * return EEXIST to the dmu to let it know to
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	609 * use the same ids
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	610 */
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	611 if (data == NULL)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	612 return (SET_ERROR(EEXIST));
12178 93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	613
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	614 if (bonustype == DMU_OT_ZNODE) {
13835 eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	615 znode_phys_t *znp = data;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	616 *userp = znp->zp_uid;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	617 *groupp = znp->zp_gid;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	618 } else {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	619 int hdrsize;
13835 eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	620 sa_hdr_phys_t *sap = data;
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	621 sa_hdr_phys_t sa = *sap;
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	622 boolean_t swap = B_FALSE;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	623
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	624 ASSERT(bonustype == DMU_OT_SA);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	625
13835 eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	626 if (sa.sa_magic == 0) {
12178 93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	627 /*
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	628 * This should only happen for newly created
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	629 * files that haven't had the znode data filled
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	630 * in yet.
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	631 */
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	632 *userp = 0;
93ec1371f750 6939983 assertion failed: zap_count(os, DMU_USERUSED_OBJECT, &count) != 0\|\|count == 0, in dsl_dataset.c Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 12164 diff changeset	633 *groupp = 0;
13835 eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	634 return (0);
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	635 }
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	636 if (sa.sa_magic == BSWAP_32(SA_MAGIC)) {
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	637 sa.sa_magic = SA_MAGIC;
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	638 sa.sa_layout_info = BSWAP_16(sa.sa_layout_info);
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	639 swap = B_TRUE;
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	640 } else {
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	641 VERIFY3U(sa.sa_magic, ==, SA_MAGIC);
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	642 }
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	643
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	644 hdrsize = sa_hdrsize(&sa);
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	645 VERIFY3U(hdrsize, >=, sizeof (sa_hdr_phys_t));
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	646 userp = ((uint64_t *)((uintptr_t)data + hdrsize +
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	647 SA_UID_OFFSET));
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	648 groupp = ((uint64_t *)((uintptr_t)data + hdrsize +
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	649 SA_GID_OFFSET));
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	650 if (swap) {
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	651 userp = BSWAP_64(userp);
eea81edc4f14 3208 moving zpool cross-endian results in incorrect user/group accounting Matthew Ahrens <mahrens@delphix.com> parents: 13805 diff changeset	652 groupp = BSWAP_64(groupp);
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	653 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	654 }
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	655 return (0);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	656 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	657
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	658 static void
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	659 fuidstr_to_sid(zfsvfs_t zfsvfs, const char fuidstr,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	660 char domainbuf, int buflen, uid_t ridp)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	661 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	662 uint64_t fuid;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	663 const char *domain;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	664
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	665 fuid = strtonum(fuidstr, NULL);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	666
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	667 domain = zfs_fuid_find_by_idx(zfsvfs, FUID_INDEX(fuid));
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	668 if (domain)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	669 (void) strlcpy(domainbuf, domain, buflen);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	670 else
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	671 domainbuf[0] = '\0';
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	672 *ridp = FUID_RID(fuid);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	673 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	674
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	675 static uint64_t
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	676 zfs_userquota_prop_to_obj(zfsvfs_t *zfsvfs, zfs_userquota_prop_t type)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	677 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	678 switch (type) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	679 case ZFS_PROP_USERUSED:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	680 return (DMU_USERUSED_OBJECT);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	681 case ZFS_PROP_GROUPUSED:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	682 return (DMU_GROUPUSED_OBJECT);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	683 case ZFS_PROP_USERQUOTA:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	684 return (zfsvfs->z_userquota_obj);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	685 case ZFS_PROP_GROUPQUOTA:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	686 return (zfsvfs->z_groupquota_obj);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	687 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	688 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	689 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	690
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	691 int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	692 zfs_userspace_many(zfsvfs_t *zfsvfs, zfs_userquota_prop_t type,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	693 uint64_t cookiep, void vbuf, uint64_t *bufsizep)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	694 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	695 int error;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	696 zap_cursor_t zc;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	697 zap_attribute_t za;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	698 zfs_useracct_t *buf = vbuf;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	699 uint64_t obj;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	700
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	701 if (!dmu_objset_userspace_present(zfsvfs->z_os))
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	702 return (SET_ERROR(ENOTSUP));
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	703
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	704 obj = zfs_userquota_prop_to_obj(zfsvfs, type);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	705 if (obj == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	706 *bufsizep = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	707 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	708 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	709
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	710 for (zap_cursor_init_serialized(&zc, zfsvfs->z_os, obj, *cookiep);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	711 (error = zap_cursor_retrieve(&zc, &za)) == 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	712 zap_cursor_advance(&zc)) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	713 if ((uintptr_t)buf - (uintptr_t)vbuf + sizeof (zfs_useracct_t) >
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	714 *bufsizep)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	715 break;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	716
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	717 fuidstr_to_sid(zfsvfs, za.za_name,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	718 buf->zu_domain, sizeof (buf->zu_domain), &buf->zu_rid);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	719
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	720 buf->zu_space = za.za_first_integer;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	721 buf++;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	722 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	723 if (error == ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	724 error = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	725
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	726 ASSERT3U((uintptr_t)buf - (uintptr_t)vbuf, <=, *bufsizep);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	727 *bufsizep = (uintptr_t)buf - (uintptr_t)vbuf;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	728 *cookiep = zap_cursor_serialize(&zc);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	729 zap_cursor_fini(&zc);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	730 return (error);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	731 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	732
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	733 /*
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	734 * buf must be big enough (eg, 32 bytes)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	735 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	736 static int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	737 id_to_fuidstr(zfsvfs_t zfsvfs, const char domain, uid_t rid,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	738 char *buf, boolean_t addok)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	739 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	740 uint64_t fuid;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	741 int domainid = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	742
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	743 if (domain && domain[0]) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	744 domainid = zfs_fuid_find_by_domain(zfsvfs, domain, NULL, addok);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	745 if (domainid == -1)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	746 return (SET_ERROR(ENOENT));
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	747 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	748 fuid = FUID_ENCODE(domainid, rid);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	749 (void) sprintf(buf, "%llx", (longlong_t)fuid);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	750 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	751 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	752
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	753 int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	754 zfs_userspace_one(zfsvfs_t *zfsvfs, zfs_userquota_prop_t type,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	755 const char domain, uint64_t rid, uint64_t valp)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	756 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	757 char buf[32];
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	758 int err;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	759 uint64_t obj;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	760
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	761 *valp = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	762
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	763 if (!dmu_objset_userspace_present(zfsvfs->z_os))
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	764 return (SET_ERROR(ENOTSUP));
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	765
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	766 obj = zfs_userquota_prop_to_obj(zfsvfs, type);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	767 if (obj == 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	768 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	769
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	770 err = id_to_fuidstr(zfsvfs, domain, rid, buf, B_FALSE);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	771 if (err)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	772 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	773
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	774 err = zap_lookup(zfsvfs->z_os, obj, buf, 8, 1, valp);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	775 if (err == ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	776 err = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	777 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	778 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	779
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	780 int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	781 zfs_set_userquota(zfsvfs_t *zfsvfs, zfs_userquota_prop_t type,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	782 const char *domain, uint64_t rid, uint64_t quota)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	783 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	784 char buf[32];
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	785 int err;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	786 dmu_tx_t *tx;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	787 uint64_t *objp;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	788 boolean_t fuid_dirtied;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	789
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	790 if (type != ZFS_PROP_USERQUOTA && type != ZFS_PROP_GROUPQUOTA)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	791 return (SET_ERROR(EINVAL));
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	792
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	793 if (zfsvfs->z_version < ZPL_VERSION_USERSPACE)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	794 return (SET_ERROR(ENOTSUP));
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	795
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	796 objp = (type == ZFS_PROP_USERQUOTA) ? &zfsvfs->z_userquota_obj :
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	797 &zfsvfs->z_groupquota_obj;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	798
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	799 err = id_to_fuidstr(zfsvfs, domain, rid, buf, B_TRUE);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	800 if (err)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	801 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	802 fuid_dirtied = zfsvfs->z_fuid_dirty;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	803
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	804 tx = dmu_tx_create(zfsvfs->z_os);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	805 dmu_tx_hold_zap(tx, objp ? objp : DMU_NEW_OBJECT, B_TRUE, NULL);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	806 if (*objp == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	807 dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, B_TRUE,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	808 zfs_userquota_prop_prefixes[type]);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	809 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	810 if (fuid_dirtied)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	811 zfs_fuid_txhold(zfsvfs, tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	812 err = dmu_tx_assign(tx, TXG_WAIT);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	813 if (err) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	814 dmu_tx_abort(tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	815 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	816 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	817
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	818 mutex_enter(&zfsvfs->z_lock);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	819 if (*objp == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	820 *objp = zap_create(zfsvfs->z_os, DMU_OT_USERGROUP_QUOTA,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	821 DMU_OT_NONE, 0, tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	822 VERIFY(0 == zap_add(zfsvfs->z_os, MASTER_NODE_OBJ,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	823 zfs_userquota_prop_prefixes[type], 8, 1, objp, tx));
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	824 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	825 mutex_exit(&zfsvfs->z_lock);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	826
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	827 if (quota == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	828 err = zap_remove(zfsvfs->z_os, *objp, buf, tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	829 if (err == ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	830 err = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	831 } else {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	832 err = zap_update(zfsvfs->z_os, *objp, buf, 8, 1, &quota, tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	833 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	834 ASSERT(err == 0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	835 if (fuid_dirtied)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	836 zfs_fuid_sync(zfsvfs, tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	837 dmu_tx_commit(tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	838 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	839 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	840
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	841 boolean_t
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	842 zfs_fuid_overquota(zfsvfs_t *zfsvfs, boolean_t isgroup, uint64_t fuid)
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	843 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	844 char buf[32];
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	845 uint64_t used, quota, usedobj, quotaobj;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	846 int err;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	847
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	848 usedobj = isgroup ? DMU_GROUPUSED_OBJECT : DMU_USERUSED_OBJECT;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	849 quotaobj = isgroup ? zfsvfs->z_groupquota_obj : zfsvfs->z_userquota_obj;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	850
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	851 if (quotaobj == 0 \|\| zfsvfs->z_replay)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	852 return (B_FALSE);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	853
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	854 (void) sprintf(buf, "%llx", (longlong_t)fuid);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	855 err = zap_lookup(zfsvfs->z_os, quotaobj, buf, 8, 1, &quota);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	856 if (err != 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	857 return (B_FALSE);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	858
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	859 err = zap_lookup(zfsvfs->z_os, usedobj, buf, 8, 1, &used);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	860 if (err != 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	861 return (B_FALSE);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	862 return (used >= quota);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	863 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	864
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	865 boolean_t
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	866 zfs_owner_overquota(zfsvfs_t zfsvfs, znode_t zp, boolean_t isgroup)
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	867 {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	868 uint64_t fuid;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	869 uint64_t quotaobj;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	870
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	871 quotaobj = isgroup ? zfsvfs->z_groupquota_obj : zfsvfs->z_userquota_obj;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	872
13081 79b387e27d99 6971929 Unable to add/remove ACE after doing idmap flush -a Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13061 diff changeset	873 fuid = isgroup ? zp->z_gid : zp->z_uid;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	874
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	875 if (quotaobj == 0 \|\| zfsvfs->z_replay)
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	876 return (B_FALSE);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	877
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	878 return (zfs_fuid_overquota(zfsvfs, isgroup, fuid));
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	879 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	880
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	881 int
11185 f0c31008e395 6887924 PP_ISKAS needs to be defined in terms of VN_ISKAS for vnodes Sean McEnroe <Sean.McEnroe@Sun.COM> parents: 11022 diff changeset	882 zfsvfs_create(const char osname, zfsvfs_t *zfvp)
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	883 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	884 objset_t *os;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	885 zfsvfs_t *zfsvfs;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	886 uint64_t zval;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	887 int i, error;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	888 uint64_t sa_obj;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	889
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	890 zfsvfs = kmem_zalloc(sizeof (zfsvfs_t), KM_SLEEP);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	891
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	892 /*
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	893 * We claim to always be readonly so we can open snapshots;
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	894 * other ZPL code will prevent us from writing to snapshots.
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	895 */
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	896 error = dmu_objset_own(osname, DMU_OST_ZFS, B_TRUE, zfsvfs, &os);
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	897 if (error) {
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	898 kmem_free(zfsvfs, sizeof (zfsvfs_t));
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	899 return (error);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	900 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	901
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	902 /*
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	903 * Initialize the zfs-specific filesystem structure.
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	904 * Should probably make this a kmem cache, shuffle fields,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	905 * and just bzero up to z_hold_mtx[].
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	906 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	907 zfsvfs->z_vfs = NULL;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	908 zfsvfs->z_parent = zfsvfs;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	909 zfsvfs->z_max_blksz = SPA_MAXBLOCKSIZE;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	910 zfsvfs->z_show_ctldir = ZFS_SNAPDIR_VISIBLE;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	911 zfsvfs->z_os = os;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	912
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	913 error = zfs_get_zplprop(os, ZFS_PROP_VERSION, &zfsvfs->z_version);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	914 if (error) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	915 goto out;
12070 01261b276236 6940770 panic in sa_find_idx_tab() after receiving into pool when version shouldn't have allowed it Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11935 diff changeset	916 } else if (zfsvfs->z_version >
01261b276236 6940770 panic in sa_find_idx_tab() after receiving into pool when version shouldn't have allowed it Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11935 diff changeset	917 zfs_zpl_version_map(spa_version(dmu_objset_spa(os)))) {
01261b276236 6940770 panic in sa_find_idx_tab() after receiving into pool when version shouldn't have allowed it Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11935 diff changeset	918 (void) printf("Can't mount a version %lld file system "
01261b276236 6940770 panic in sa_find_idx_tab() after receiving into pool when version shouldn't have allowed it Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11935 diff changeset	919 "on a version %lld pool\n. Pool must be upgraded to mount "
01261b276236 6940770 panic in sa_find_idx_tab() after receiving into pool when version shouldn't have allowed it Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11935 diff changeset	920 "this file system.", (u_longlong_t)zfsvfs->z_version,
01261b276236 6940770 panic in sa_find_idx_tab() after receiving into pool when version shouldn't have allowed it Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11935 diff changeset	921 (u_longlong_t)spa_version(dmu_objset_spa(os)));
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	922 error = SET_ERROR(ENOTSUP);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	923 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	924 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	925 if ((error = zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &zval)) != 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	926 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	927 zfsvfs->z_norm = (int)zval;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	928
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	929 if ((error = zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &zval)) != 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	930 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	931 zfsvfs->z_utf8 = (zval != 0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	932
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	933 if ((error = zfs_get_zplprop(os, ZFS_PROP_CASE, &zval)) != 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	934 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	935 zfsvfs->z_case = (uint_t)zval;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	936
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	937 /*
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	938 * Fold case on file systems that are always or sometimes case
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	939 * insensitive.
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	940 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	941 if (zfsvfs->z_case == ZFS_CASE_INSENSITIVE \|\|
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	942 zfsvfs->z_case == ZFS_CASE_MIXED)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	943 zfsvfs->z_norm \|= U8_TEXTPREP_TOUPPER;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	944
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	945 zfsvfs->z_use_fuids = USE_FUIDS(zfsvfs->z_version, zfsvfs->z_os);
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	946 zfsvfs->z_use_sa = USE_SA(zfsvfs->z_version, zfsvfs->z_os);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	947
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	948 if (zfsvfs->z_use_sa) {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	949 /* should either have both of these objects or none */
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	950 error = zap_lookup(os, MASTER_NODE_OBJ, ZFS_SA_ATTRS, 8, 1,
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	951 &sa_obj);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	952 if (error)
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	953 return (error);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	954 } else {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	955 /*
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	956 * Pre SA versions file systems should never touch
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	957 * either the attribute registration or layout objects.
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	958 */
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	959 sa_obj = 0;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	960 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	961
12493 89ce40422cea 6952177 SA handling of on-disk corruption can be improved Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 12296 diff changeset	962 error = sa_setup(os, sa_obj, zfs_attr_table, ZPL_END,
89ce40422cea 6952177 SA handling of on-disk corruption can be improved Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 12296 diff changeset	963 &zfsvfs->z_attr_table);
89ce40422cea 6952177 SA handling of on-disk corruption can be improved Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 12296 diff changeset	964 if (error)
89ce40422cea 6952177 SA handling of on-disk corruption can be improved Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 12296 diff changeset	965 goto out;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	966
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	967 if (zfsvfs->z_version >= ZPL_VERSION_SA)
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	968 sa_register_update_callback(os, zfs_sa_upgrade);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	969
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	970 error = zap_lookup(os, MASTER_NODE_OBJ, ZFS_ROOT_OBJ, 8, 1,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	971 &zfsvfs->z_root);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	972 if (error)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	973 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	974 ASSERT(zfsvfs->z_root != 0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	975
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	976 error = zap_lookup(os, MASTER_NODE_OBJ, ZFS_UNLINKED_SET, 8, 1,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	977 &zfsvfs->z_unlinkedobj);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	978 if (error)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	979 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	980
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	981 error = zap_lookup(os, MASTER_NODE_OBJ,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	982 zfs_userquota_prop_prefixes[ZFS_PROP_USERQUOTA],
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	983 8, 1, &zfsvfs->z_userquota_obj);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	984 if (error && error != ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	985 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	986
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	987 error = zap_lookup(os, MASTER_NODE_OBJ,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	988 zfs_userquota_prop_prefixes[ZFS_PROP_GROUPQUOTA],
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	989 8, 1, &zfsvfs->z_groupquota_obj);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	990 if (error && error != ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	991 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	992
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	993 error = zap_lookup(os, MASTER_NODE_OBJ, ZFS_FUID_TABLES, 8, 1,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	994 &zfsvfs->z_fuid_obj);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	995 if (error && error != ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	996 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	997
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	998 error = zap_lookup(os, MASTER_NODE_OBJ, ZFS_SHARES_DIR, 8, 1,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	999 &zfsvfs->z_shares_dir);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1000 if (error && error != ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1001 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1002
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1003 mutex_init(&zfsvfs->z_znodes_lock, NULL, MUTEX_DEFAULT, NULL);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1004 mutex_init(&zfsvfs->z_lock, NULL, MUTEX_DEFAULT, NULL);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1005 list_create(&zfsvfs->z_all_znodes, sizeof (znode_t),
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1006 offsetof(znode_t, z_link_node));
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	1007 rrw_init(&zfsvfs->z_teardown_lock, B_FALSE);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1008 rw_init(&zfsvfs->z_teardown_inactive_lock, NULL, RW_DEFAULT, NULL);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1009 rw_init(&zfsvfs->z_fuid_lock, NULL, RW_DEFAULT, NULL);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1010 for (i = 0; i != ZFS_OBJ_MTX_SZ; i++)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1011 mutex_init(&zfsvfs->z_hold_mtx[i], NULL, MUTEX_DEFAULT, NULL);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1012
11185 f0c31008e395 6887924 PP_ISKAS needs to be defined in terms of VN_ISKAS for vnodes Sean McEnroe <Sean.McEnroe@Sun.COM> parents: 11022 diff changeset	1013 *zfvp = zfsvfs;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1014 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1015
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1016 out:
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1017 dmu_objset_disown(os, zfsvfs);
11185 f0c31008e395 6887924 PP_ISKAS needs to be defined in terms of VN_ISKAS for vnodes Sean McEnroe <Sean.McEnroe@Sun.COM> parents: 11022 diff changeset	1018 *zfvp = NULL;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1019 kmem_free(zfsvfs, sizeof (zfsvfs_t));
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1020 return (error);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1021 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1022
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1023 static int
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1024 zfsvfs_setup(zfsvfs_t *zfsvfs, boolean_t mounting)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1025 {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1026 int error;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1027
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1028 error = zfs_register_callbacks(zfsvfs->z_vfs);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1029 if (error)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1030 return (error);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1031
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1032 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1033 * Set the objset user_ptr to track its zfsvfs.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1034 */
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1035 mutex_enter(&zfsvfs->z_os->os_user_ptr_lock);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1036 dmu_objset_set_user(zfsvfs->z_os, zfsvfs);
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1037 mutex_exit(&zfsvfs->z_os->os_user_ptr_lock);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1038
9292 e112194b5b73 6798298 zfs rollback or incremental zfs recv results in intent log being closed Neil Perrin <Neil.Perrin@Sun.COM> parents: 9246 diff changeset	1039 zfsvfs->z_log = zil_open(zfsvfs->z_os, zfs_get_data);
e112194b5b73 6798298 zfs rollback or incremental zfs recv results in intent log being closed Neil Perrin <Neil.Perrin@Sun.COM> parents: 9246 diff changeset	1040
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1041 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1042 * If we are not mounting (ie: online recv), then we don't
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1043 * have to worry about replaying the log as we blocked all
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1044 * operations out since we closed the ZIL.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1045 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1046 if (mounting) {
7638 5505e89fa6c8 6741237 zfs hang in txg_wait_open() on boot Neil Perrin <Neil.Perrin@Sun.COM> parents: 7265 diff changeset	1047 boolean_t readonly;
5505e89fa6c8 6741237 zfs hang in txg_wait_open() on boot Neil Perrin <Neil.Perrin@Sun.COM> parents: 7265 diff changeset	1048
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1049 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1050 * During replay we remove the read only flag to
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1051 * allow replays to succeed.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1052 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1053 readonly = zfsvfs->z_vfs->vfs_flag & VFS_RDONLY;
8227 f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1054 if (readonly != 0)
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1055 zfsvfs->z_vfs->vfs_flag &= ~VFS_RDONLY;
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1056 else
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1057 zfs_unlinked_drain(zfsvfs);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1058
12294 2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1059 /*
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1060 * Parse and replay the intent log.
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1061 *
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1062 * Because of ziltest, this must be done after
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1063 * zfs_unlinked_drain(). (Further note: ziltest
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1064 * doesn't use readonly mounts, where
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1065 * zfs_unlinked_drain() isn't called.) This is because
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1066 * ziltest causes spa_sync() to think it's committed,
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1067 * but actually it is not, so the intent log contains
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1068 * many txg's worth of changes.
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1069 *
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1070 * In particular, if object N is in the unlinked set in
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1071 * the last txg to actually sync, then it could be
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1072 * actually freed in a later txg and then reallocated
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1073 * in a yet later txg. This would write a "create
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1074 * object N" record to the intent log. Normally, this
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1075 * would be fine because the spa_sync() would have
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1076 * written out the fact that object N is free, before
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1077 * we could write the "create object N" intent log
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1078 * record.
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1079 *
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1080 * But when we are in ziltest mode, we advance the "open
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1081 * txg" without actually spa_sync()-ing the changes to
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1082 * disk. So we would see that object N is still
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1083 * allocated and in the unlinked set, and there is an
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1084 * intent log record saying to allocate it.
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1085 */
13061 bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1086 if (spa_writeable(dmu_objset_spa(zfsvfs->z_os))) {
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1087 if (zil_replay_disable) {
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1088 zil_destroy(zfsvfs->z_log, B_FALSE);
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1089 } else {
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1090 zfsvfs->z_replay = B_TRUE;
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1091 zil_replay(zfsvfs->z_os, zfsvfs,
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1092 zfs_replay_vector);
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1093 zfsvfs->z_replay = B_FALSE;
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1094 }
8227 f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1095 }
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1096 zfsvfs->z_vfs->vfs_flag \|= readonly; /* restore readonly bit */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1097 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1098
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1099 return (0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1100 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1101
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1102 void
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1103 zfsvfs_free(zfsvfs_t *zfsvfs)
6083 23e77aa611b1 6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx) ek110237 parents: 5648 diff changeset	1104 {
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1105 int i;
9788 f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1106 extern krwlock_t zfsvfs_lock; /* in zfs_znode.c */
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1107
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1108 /*
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1109 * This is a barrier to prevent the filesystem from going away in
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1110 * zfs_znode_move() until we can safely ensure that the filesystem is
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1111 * not unmounted. We consider the filesystem valid before the barrier
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1112 * and invalid after the barrier.
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1113 */
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1114 rw_enter(&zfsvfs_lock, RW_READER);
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1115 rw_exit(&zfsvfs_lock);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1116
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1117 zfs_fuid_destroy(zfsvfs);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1118
6083 23e77aa611b1 6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx) ek110237 parents: 5648 diff changeset	1119 mutex_destroy(&zfsvfs->z_znodes_lock);
9030 243fd360d81f 6815893 hang mounting a dataset after booting into a new boot environment Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 8227 diff changeset	1120 mutex_destroy(&zfsvfs->z_lock);
6083 23e77aa611b1 6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx) ek110237 parents: 5648 diff changeset	1121 list_destroy(&zfsvfs->z_all_znodes);
23e77aa611b1 6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx) ek110237 parents: 5648 diff changeset	1122 rrw_destroy(&zfsvfs->z_teardown_lock);
23e77aa611b1 6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx) ek110237 parents: 5648 diff changeset	1123 rw_destroy(&zfsvfs->z_teardown_inactive_lock);
23e77aa611b1 6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx) ek110237 parents: 5648 diff changeset	1124 rw_destroy(&zfsvfs->z_fuid_lock);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1125 for (i = 0; i != ZFS_OBJ_MTX_SZ; i++)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1126 mutex_destroy(&zfsvfs->z_hold_mtx[i]);
6083 23e77aa611b1 6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx) ek110237 parents: 5648 diff changeset	1127 kmem_free(zfsvfs, sizeof (zfsvfs_t));
23e77aa611b1 6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx) ek110237 parents: 5648 diff changeset	1128 }
23e77aa611b1 6655963 Panic: 0 == zap_add(mos, pds->dd_phys->dd_child_dir_zapobj, name, sizeof (uint64_t), 1, &ddobj, tx) ek110237 parents: 5648 diff changeset	1129
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1130 static void
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1131 zfs_set_fuid_feature(zfsvfs_t *zfsvfs)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1132 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1133 zfsvfs->z_use_fuids = USE_FUIDS(zfsvfs->z_version, zfsvfs->z_os);
13178 5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1134 if (zfsvfs->z_vfs) {
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1135 if (zfsvfs->z_use_fuids) {
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1136 vfs_set_feature(zfsvfs->z_vfs, VFSFT_XVATTR);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1137 vfs_set_feature(zfsvfs->z_vfs, VFSFT_SYSATTR_VIEWS);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1138 vfs_set_feature(zfsvfs->z_vfs, VFSFT_ACEMASKONACCESS);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1139 vfs_set_feature(zfsvfs->z_vfs, VFSFT_ACLONCREATE);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1140 vfs_set_feature(zfsvfs->z_vfs, VFSFT_ACCESS_FILTER);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1141 vfs_set_feature(zfsvfs->z_vfs, VFSFT_REPARSE);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1142 } else {
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1143 vfs_clear_feature(zfsvfs->z_vfs, VFSFT_XVATTR);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1144 vfs_clear_feature(zfsvfs->z_vfs, VFSFT_SYSATTR_VIEWS);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1145 vfs_clear_feature(zfsvfs->z_vfs, VFSFT_ACEMASKONACCESS);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1146 vfs_clear_feature(zfsvfs->z_vfs, VFSFT_ACLONCREATE);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1147 vfs_clear_feature(zfsvfs->z_vfs, VFSFT_ACCESS_FILTER);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1148 vfs_clear_feature(zfsvfs->z_vfs, VFSFT_REPARSE);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	1149 }
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1150 }
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	1151 zfsvfs->z_use_sa = USE_SA(zfsvfs->z_version, zfsvfs->z_os);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1152 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1153
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1154 static int
7046 361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken ahrens parents: 6689 diff changeset	1155 zfs_domount(vfs_t vfsp, char osname)
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1156 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1157 dev_t mount_dev;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1158 uint64_t recordsize, fsid_guid;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1159 int error = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1160 zfsvfs_t *zfsvfs;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1161
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1162 ASSERT(vfsp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1163 ASSERT(osname);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1164
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1165 error = zfsvfs_create(osname, &zfsvfs);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1166 if (error)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1167 return (error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1168 zfsvfs->z_vfs = vfsp;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1169
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1170 /* Initialize the generic filesystem structure. */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1171 vfsp->vfs_bcount = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1172 vfsp->vfs_data = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1173
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1174 if (zfs_create_unique_device(&mount_dev) == -1) {
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1175 error = SET_ERROR(ENODEV);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1176 goto out;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1177 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1178 ASSERT(vfs_devismounted(mount_dev) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1179
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1180 if (error = dsl_prop_get_integer(osname, "recordsize", &recordsize,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1181 NULL))
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1182 goto out;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1183
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1184 vfsp->vfs_dev = mount_dev;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1185 vfsp->vfs_fstype = zfsfstype;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1186 vfsp->vfs_bsize = recordsize;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1187 vfsp->vfs_flag \|= VFS_NOTRUNC;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1188 vfsp->vfs_data = zfsvfs;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1189
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1190 /*
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1191 * The fsid is 64 bits, composed of an 8-bit fs type, which
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1192 * separates our fsid from any other filesystem types, and a
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1193 * 56-bit objset unique ID. The objset unique ID is unique to
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1194 * all objsets open on this system, provided by unique_create().
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1195 * The 8-bit fs type must be put in the low bits of fsid[1]
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1196 * because that's where other Solaris filesystems put it.
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1197 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1198 fsid_guid = dmu_objset_fsid_guid(zfsvfs->z_os);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1199 ASSERT((fsid_guid & ~((1ULL<<56)-1)) == 0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1200 vfsp->vfs_fsid.val[0] = fsid_guid;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1201 vfsp->vfs_fsid.val[1] = ((fsid_guid>>32) << 8) \|
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1202 zfsfstype & 0xFF;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1203
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1204 /*
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1205 * Set features for file system.
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1206 */
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1207 zfs_set_fuid_feature(zfsvfs);
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1208 if (zfsvfs->z_case == ZFS_CASE_INSENSITIVE) {
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1209 vfs_set_feature(vfsp, VFSFT_DIRENTFLAGS);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1210 vfs_set_feature(vfsp, VFSFT_CASEINSENSITIVE);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1211 vfs_set_feature(vfsp, VFSFT_NOCASESENSITIVE);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1212 } else if (zfsvfs->z_case == ZFS_CASE_MIXED) {
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1213 vfs_set_feature(vfsp, VFSFT_DIRENTFLAGS);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1214 vfs_set_feature(vfsp, VFSFT_CASEINSENSITIVE);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1215 }
11539 10d35fc3d7fd 6873106 Need a mechanism to share buffers between fs modules chunli zhang - Sun Microsystems - Irvine United States <Chunli.Zhang@Sun.COM> parents: 11185 diff changeset	1216 vfs_set_feature(vfsp, VFSFT_ZEROCOPY_SUPPORTED);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1217
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1218 if (dmu_objset_is_snapshot(zfsvfs->z_os)) {
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1219 uint64_t pval;
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1220
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1221 atime_changed_cb(zfsvfs, B_FALSE);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1222 readonly_changed_cb(zfsvfs, B_TRUE);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1223 if (error = dsl_prop_get_integer(osname, "xattr", &pval, NULL))
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1224 goto out;
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1225 xattr_changed_cb(zfsvfs, pval);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1226 zfsvfs->z_issnap = B_TRUE;
12530 805d6a3f27b5 6957113 accessing a fifo special file in .zfs snapshot dir panics kernel Mark J Musante <Mark.Musante@Sun.COM> parents: 12493 diff changeset	1227 zfsvfs->z_os->os_sync = ZFS_SYNC_DISABLED;
9688 127be1845343 6841321 zfs userspace / zfs get userused@ doesn't work on mounted snapshot Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9396 diff changeset	1228
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1229 mutex_enter(&zfsvfs->z_os->os_user_ptr_lock);
9688 127be1845343 6841321 zfs userspace / zfs get userused@ doesn't work on mounted snapshot Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9396 diff changeset	1230 dmu_objset_set_user(zfsvfs->z_os, zfsvfs);
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1231 mutex_exit(&zfsvfs->z_os->os_user_ptr_lock);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1232 } else {
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1233 error = zfsvfs_setup(zfsvfs, B_TRUE);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1234 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1235
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1236 if (!zfsvfs->z_issnap)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1237 zfsctl_create(zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1238 out:
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1239 if (error) {
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1240 dmu_objset_disown(zfsvfs->z_os, zfsvfs);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1241 zfsvfs_free(zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1242 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1243 atomic_add_32(&zfs_active_fs_count, 1);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1244 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1245
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1246 return (error);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1247 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1248
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1249 void
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1250 zfs_unregister_callbacks(zfsvfs_t *zfsvfs)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1251 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1252 objset_t *os = zfsvfs->z_os;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1253 struct dsl_dataset *ds;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1254
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1255 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1256 * Unregister properties.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1257 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1258 if (!dmu_objset_is_snapshot(os)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1259 ds = dmu_objset_ds(os);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1260 VERIFY(dsl_prop_unregister(ds, "atime", atime_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1261 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1262
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1263 VERIFY(dsl_prop_unregister(ds, "xattr", xattr_changed_cb,
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1264 zfsvfs) == 0);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1265
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1266 VERIFY(dsl_prop_unregister(ds, "recordsize", blksz_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1267 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1268
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1269 VERIFY(dsl_prop_unregister(ds, "readonly", readonly_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1270 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1271
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1272 VERIFY(dsl_prop_unregister(ds, "devices", devices_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1273 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1274
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1275 VERIFY(dsl_prop_unregister(ds, "setuid", setuid_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1276 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1277
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1278 VERIFY(dsl_prop_unregister(ds, "exec", exec_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1279 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1280
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1281 VERIFY(dsl_prop_unregister(ds, "snapdir", snapdir_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1282 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1283
13370 8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	1284 VERIFY(dsl_prop_unregister(ds, "aclmode", acl_mode_changed_cb,
8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	1285 zfsvfs) == 0);
8c04143bd318 742 Resurrect the ZFS "aclmode" property Albert Lee <trisk@nexenta.com> parents: 13178 diff changeset	1286
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1287 VERIFY(dsl_prop_unregister(ds, "aclinherit",
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1288 acl_inherit_changed_cb, zfsvfs) == 0);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1289
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1290 VERIFY(dsl_prop_unregister(ds, "vscan",
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1291 vscan_changed_cb, zfsvfs) == 0);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1292 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1293 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1294
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1295 /*
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1296 * Convert a decimal digit string to a uint64_t integer.
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1297 */
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1298 static int
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1299 str_to_uint64(char str, uint64_t objnum)
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1300 {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1301 uint64_t num = 0;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1302
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1303 while (*str) {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1304 if (str < '0' \|\| str > '9')
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1305 return (SET_ERROR(EINVAL));
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1306
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1307 num = num10 + str++ - '0';
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1308 }
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1309
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1310 *objnum = num;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1311 return (0);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1312 }
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1313
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1314 /*
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1315 * The boot path passed from the boot loader is in the form of
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1316 * "rootpool-name/root-filesystem-object-number'. Convert this
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1317 * string to a dataset name: "rootpool-name/root-filesystem-name".
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1318 */
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1319 static int
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1320 zfs_parse_bootfs(char bpath, char outpath)
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1321 {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1322 char *slashp;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1323 uint64_t objnum;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1324 int error;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1325
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1326 if (bpath == 0 \|\| bpath == '/')
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1327 return (SET_ERROR(EINVAL));
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1328
7656 2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1329 (void) strcpy(outpath, bpath);
2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1330
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1331 slashp = strchr(bpath, '/');
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1332
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1333 /* if no '/', just return the pool name */
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1334 if (slashp == NULL) {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1335 return (0);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1336 }
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1337
7656 2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1338 /* if not a number, just return the root dataset name */
2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1339 if (str_to_uint64(slashp+1, &objnum)) {
2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1340 return (0);
2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1341 }
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1342
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1343 *slashp = '\0';
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1344 error = dsl_dsobj_to_dsname(bpath, objnum, outpath);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1345 *slashp = '/';
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1346
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1347 return (error);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1348 }
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1349
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1350 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1351 * zfs_check_global_label:
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1352 * Check that the hex label string is appropriate for the dataset
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1353 * being mounted into the global_zone proper.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1354 *
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1355 * Return an error if the hex label string is not default or
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1356 * admin_low/admin_high. For admin_low labels, the corresponding
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1357 * dataset must be readonly.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1358 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1359 int
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1360 zfs_check_global_label(const char dsname, const char hexsl)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1361 {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1362 if (strcasecmp(hexsl, ZFS_MLSLABEL_DEFAULT) == 0)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1363 return (0);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1364 if (strcasecmp(hexsl, ADMIN_HIGH) == 0)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1365 return (0);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1366 if (strcasecmp(hexsl, ADMIN_LOW) == 0) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1367 /* must be readonly */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1368 uint64_t rdonly;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1369
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1370 if (dsl_prop_get_integer(dsname,
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1371 zfs_prop_to_name(ZFS_PROP_READONLY), &rdonly, NULL))
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1372 return (SET_ERROR(EACCES));
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1373 return (rdonly ? 0 : EACCES);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1374 }
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1375 return (SET_ERROR(EACCES));
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1376 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1377
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1378 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1379 * zfs_mount_label_policy:
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1380 * Determine whether the mount is allowed according to MAC check.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1381 * by comparing (where appropriate) label of the dataset against
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1382 * the label of the zone being mounted into. If the dataset has
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1383 * no label, create one.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1384 *
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1385 * Returns:
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1386 * 0 : access allowed
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1387 * >0 : error code, such as EACCES
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1388 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1389 static int
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1390 zfs_mount_label_policy(vfs_t vfsp, char osname)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1391 {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1392 int error, retv;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1393 zone_t *mntzone = NULL;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1394 ts_label_t *mnt_tsl;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1395 bslabel_t *mnt_sl;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1396 bslabel_t ds_sl;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1397 char ds_hexsl[MAXNAMELEN];
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1398
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1399 retv = EACCES; /* assume the worst */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1400
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1401 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1402 * Start by getting the dataset label if it exists.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1403 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1404 error = dsl_prop_get(osname, zfs_prop_to_name(ZFS_PROP_MLSLABEL),
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1405 1, sizeof (ds_hexsl), &ds_hexsl, NULL);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1406 if (error)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1407 return (SET_ERROR(EACCES));
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1408
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1409 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1410 * If labeling is NOT enabled, then disallow the mount of datasets
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1411 * which have a non-default label already. No other label checks
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1412 * are needed.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1413 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1414 if (!is_system_labeled()) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1415 if (strcasecmp(ds_hexsl, ZFS_MLSLABEL_DEFAULT) == 0)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1416 return (0);
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1417 return (SET_ERROR(EACCES));
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1418 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1419
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1420 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1421 * Get the label of the mountpoint. If mounting into the global
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1422 * zone (i.e. mountpoint is not within an active zone and the
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1423 * zoned property is off), the label must be default or
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1424 * admin_low/admin_high only; no other checks are needed.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1425 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1426 mntzone = zone_find_by_any_path(refstr_value(vfsp->vfs_mntpt), B_FALSE);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1427 if (mntzone->zone_id == GLOBAL_ZONEID) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1428 uint64_t zoned;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1429
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1430 zone_rele(mntzone);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1431
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1432 if (dsl_prop_get_integer(osname,
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1433 zfs_prop_to_name(ZFS_PROP_ZONED), &zoned, NULL))
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1434 return (SET_ERROR(EACCES));
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1435 if (!zoned)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1436 return (zfs_check_global_label(osname, ds_hexsl));
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1437 else
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1438 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1439 * This is the case of a zone dataset being mounted
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1440 * initially, before the zone has been fully created;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1441 * allow this mount into global zone.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1442 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1443 return (0);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1444 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1445
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1446 mnt_tsl = mntzone->zone_slabel;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1447 ASSERT(mnt_tsl != NULL);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1448 label_hold(mnt_tsl);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1449 mnt_sl = label2bslabel(mnt_tsl);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1450
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1451 if (strcasecmp(ds_hexsl, ZFS_MLSLABEL_DEFAULT) == 0) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1452 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1453 * The dataset doesn't have a real label, so fabricate one.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1454 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1455 char *str = NULL;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1456
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1457 if (l_to_str_internal(mnt_sl, &str) == 0 &&
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	1458 dsl_prop_set_string(osname,
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	1459 zfs_prop_to_name(ZFS_PROP_MLSLABEL),
4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	1460 ZPROP_SRC_LOCAL, str) == 0)
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1461 retv = 0;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1462 if (str != NULL)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1463 kmem_free(str, strlen(str) + 1);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1464 } else if (hexstr_to_label(ds_hexsl, &ds_sl) == 0) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1465 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1466 * Now compare labels to complete the MAC check. If the
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1467 * labels are equal then allow access. If the mountpoint
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1468 * label dominates the dataset label, allow readonly access.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1469 * Otherwise, access is denied.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1470 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1471 if (blequal(mnt_sl, &ds_sl))
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1472 retv = 0;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1473 else if (bldominates(mnt_sl, &ds_sl)) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1474 vfs_setmntopt(vfsp, MNTOPT_RO, NULL, 0);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1475 retv = 0;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1476 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1477 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1478
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1479 label_rele(mnt_tsl);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1480 zone_rele(mntzone);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1481 return (retv);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1482 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1483
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1484 static int
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1485 zfs_mountroot(vfs_t *vfsp, enum whymountroot why)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1486 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1487 int error = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1488 static int zfsrootdone = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1489 zfsvfs_t *zfsvfs = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1490 znode_t *zp = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1491 vnode_t *vp = NULL;
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1492 char *zfs_bootfs;
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1493 char *zfs_devid;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1494
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1495 ASSERT(vfsp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1496
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1497 /*
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1498 * The filesystem that we mount as root is defined in the
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1499 * boot property "zfs-bootfs" with a format of
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1500 * "poolname/root-dataset-objnum".
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1501 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1502 if (why == ROOT_INIT) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1503 if (zfsrootdone++)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1504 return (SET_ERROR(EBUSY));
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1505 /*
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1506 * the process of doing a spa_load will require the
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1507 * clock to be set before we could (for example) do
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1508 * something better by looking at the timestamp on
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1509 * an uberblock, so just set it to -1.
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1510 */
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1511 clkset(-1);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1512
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1513 if ((zfs_bootfs = spa_get_bootprop("zfs-bootfs")) == NULL) {
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1514 cmn_err(CE_NOTE, "spa_get_bootfs: can not get "
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1515 "bootfs name");
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1516 return (SET_ERROR(EINVAL));
5648 161f8007cab9 6521412 PSARC 2006/525: new boot sparc setje parents: 5642 diff changeset	1517 }
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1518 zfs_devid = spa_get_bootprop("diskdevid");
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1519 error = spa_import_rootpool(rootfs.bo_name, zfs_devid);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1520 if (zfs_devid)
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1521 spa_free_bootprop(zfs_devid);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1522 if (error) {
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1523 spa_free_bootprop(zfs_bootfs);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1524 cmn_err(CE_NOTE, "spa_import_rootpool: error %d",
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1525 error);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1526 return (error);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1527 }
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1528 if (error = zfs_parse_bootfs(zfs_bootfs, rootfs.bo_name)) {
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1529 spa_free_bootprop(zfs_bootfs);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1530 cmn_err(CE_NOTE, "zfs_parse_bootfs: error %d",
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1531 error);
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1532 return (error);
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1533 }
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1534
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1535 spa_free_bootprop(zfs_bootfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1536
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1537 if (error = vfs_lock(vfsp))
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1538 return (error);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1539
7046 361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken ahrens parents: 6689 diff changeset	1540 if (error = zfs_domount(vfsp, rootfs.bo_name)) {
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1541 cmn_err(CE_NOTE, "zfs_domount: error %d", error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1542 goto out;
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1543 }
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1544
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1545 zfsvfs = (zfsvfs_t *)vfsp->vfs_data;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1546 ASSERT(zfsvfs);
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1547 if (error = zfs_zget(zfsvfs, zfsvfs->z_root, &zp)) {
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1548 cmn_err(CE_NOTE, "zfs_zget: error %d", error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1549 goto out;
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1550 }
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1551
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1552 vp = ZTOV(zp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1553 mutex_enter(&vp->v_lock);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1554 vp->v_flag \|= VROOT;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1555 mutex_exit(&vp->v_lock);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1556 rootvp = vp;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1557
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1558 /*
6570 bbfcb773718e 6698415 on zfs root, ace_walk oversteps its bounds, causing panic when kmem_flags is set to 0x4f marks parents: 6423 diff changeset	1559 * Leave rootvp held. The root file system is never unmounted.
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1560 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1561
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1562 vfs_add((struct vnode *)0, vfsp,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1563 (vfsp->vfs_flag & VFS_RDONLY) ? MS_RDONLY : 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1564 out:
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1565 vfs_unlock(vfsp);
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1566 return (error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1567 } else if (why == ROOT_REMOUNT) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1568 readonly_changed_cb(vfsp->vfs_data, B_FALSE);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1569 vfsp->vfs_flag \|= VFS_REMOUNT;
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1570
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1571 /* refresh mount options */
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1572 zfs_unregister_callbacks(vfsp->vfs_data);
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1573 return (zfs_register_callbacks(vfsp));
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1574
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1575 } else if (why == ROOT_UNMOUNT) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1576 zfs_unregister_callbacks((zfsvfs_t *)vfsp->vfs_data);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1577 (void) zfs_sync(vfsp, 0, 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1578 return (0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1579 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1580
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1581 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1582 * if "why" is equal to anything else other than ROOT_INIT,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1583 * ROOT_REMOUNT, or ROOT_UNMOUNT, we do not support it.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1584 */
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1585 return (SET_ERROR(ENOTSUP));
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1586 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1587
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1588 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1589 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1590 zfs_mount(vfs_t vfsp, vnode_t mvp, struct mounta uap, cred_t cr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1591 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1592 char *osname;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1593 pathname_t spn;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1594 int error = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1595 uio_seg_t fromspace = (uap->flags & MS_SYSSPACE) ?
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1596 UIO_SYSSPACE : UIO_USERSPACE;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1597 int canwrite;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1598
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1599 if (mvp->v_type != VDIR)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1600 return (SET_ERROR(ENOTDIR));
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1601
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1602 mutex_enter(&mvp->v_lock);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1603 if ((uap->flags & MS_REMOUNT) == 0 &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1604 (uap->flags & MS_OVERLAY) == 0 &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1605 (mvp->v_count != 1 \|\| (mvp->v_flag & VROOT))) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1606 mutex_exit(&mvp->v_lock);
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1607 return (SET_ERROR(EBUSY));
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1608 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1609 mutex_exit(&mvp->v_lock);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1610
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1611 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1612 * ZFS does not support passing unparsed data in via MS_DATA.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1613 * Users should use the MS_OPTIONSTR interface; this means
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1614 * that all option parsing is already done and the options struct
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1615 * can be interrogated.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1616 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1617 if ((uap->flags & MS_DATA) && uap->datalen > 0)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1618 return (SET_ERROR(EINVAL));
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1619
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1620 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1621 * Get the objset name (the "special" mount argument).
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1622 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1623 if (error = pn_get(uap->spec, fromspace, &spn))
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1624 return (error);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1625
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1626 osname = spn.pn_path;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1627
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1628 /*
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1629 * Check for mount privilege?
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1630 *
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1631 * If we don't have privilege then see if
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1632 * we have local permission to allow it
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1633 */
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1634 error = secpolicy_fs_mount(cr, mvp, vfsp);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1635 if (error) {
11824 53128e5db7cf 6863610 ZFS mount can lose correct error return Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11539 diff changeset	1636 if (dsl_deleg_access(osname, ZFS_DELEG_PERM_MOUNT, cr) == 0) {
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1637 vattr_t vattr;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1638
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1639 /*
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1640 * Make sure user is the owner of the mount point
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1641 * or has sufficient privileges.
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1642 */
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1643
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1644 vattr.va_mask = AT_UID;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1645
11824 53128e5db7cf 6863610 ZFS mount can lose correct error return Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11539 diff changeset	1646 if (VOP_GETATTR(mvp, &vattr, 0, cr, NULL)) {
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1647 goto out;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1648 }
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1649
5489 25bfaf065197 6601830 mismatch between zfs_mount() behavior and comment marks parents: 5446 diff changeset	1650 if (secpolicy_vnode_owner(cr, vattr.va_uid) != 0 &&
25bfaf065197 6601830 mismatch between zfs_mount() behavior and comment marks parents: 5446 diff changeset	1651 VOP_ACCESS(mvp, VWRITE, 0, cr, NULL) != 0) {
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1652 goto out;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1653 }
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1654 secpolicy_fs_mount_clearopts(cr, vfsp);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1655 } else {
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1656 goto out;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1657 }
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1658 }
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1659
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1660 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1661 * Refuse to mount a filesystem if we are in a local zone and the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1662 * dataset is not visible.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1663 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1664 if (!INGLOBALZONE(curproc) &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1665 (!zone_dataset_visible(osname, &canwrite) \|\| !canwrite)) {
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1666 error = SET_ERROR(EPERM);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1667 goto out;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1668 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1669
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1670 error = zfs_mount_label_policy(vfsp, osname);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1671 if (error)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1672 goto out;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1673
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1674 /*
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1675 * When doing a remount, we simply refresh our temporary properties
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1676 * according to those options set in the current VFS options.
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1677 */
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1678 if (uap->flags & MS_REMOUNT) {
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1679 /* refresh mount options */
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1680 zfs_unregister_callbacks(vfsp->vfs_data);
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1681 error = zfs_register_callbacks(vfsp);
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1682 goto out;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1683 }
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1684
7046 361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken ahrens parents: 6689 diff changeset	1685 error = zfs_domount(vfsp, osname);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1686
9214 8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	1687 /*
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	1688 * Add an extra VFS_HOLD on our parent vfs so that it can't
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	1689 * disappear due to a forced unmount.
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	1690 */
9246 67c03c93c071 6824062 System panicked in zfs_mount due to NULL pointer dereference when running btts and svvs tests Chris Kirby <chris.kirby@sun.com> parents: 9234 diff changeset	1691 if (error == 0 && ((zfsvfs_t *)vfsp->vfs_data)->z_issnap)
9214 8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	1692 VFS_HOLD(mvp->v_vfsp);
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	1693
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1694 out:
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1695 pn_free(&spn);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1696 return (error);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1697 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1698
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1699 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1700 zfs_statvfs(vfs_t vfsp, struct statvfs64 statp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1701 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1702 zfsvfs_t *zfsvfs = vfsp->vfs_data;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1703 dev32_t d32;
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1704 uint64_t refdbytes, availbytes, usedobjs, availobjs;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1705
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1706 ZFS_ENTER(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1707
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1708 dmu_objset_space(zfsvfs->z_os,
c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1709 &refdbytes, &availbytes, &usedobjs, &availobjs);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1710
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1711 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1712 * The underlying storage pool actually uses multiple block sizes.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1713 * We report the fragsize as the smallest block size we support,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1714 * and we report our blocksize as the filesystem's maximum blocksize.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1715 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1716 statp->f_frsize = 1UL << SPA_MINBLOCKSHIFT;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1717 statp->f_bsize = zfsvfs->z_max_blksz;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1718
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1719 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1720 * The following report "total" blocks of various kinds in the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1721 * file system, but reported in terms of f_frsize - the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1722 * "fragment" size.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1723 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1724
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1725 statp->f_blocks = (refdbytes + availbytes) >> SPA_MINBLOCKSHIFT;
c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1726 statp->f_bfree = availbytes >> SPA_MINBLOCKSHIFT;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1727 statp->f_bavail = statp->f_bfree; /* no root reservation */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1728
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1729 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1730 * statvfs() should really be called statufs(), because it assumes
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1731 * static metadata. ZFS doesn't preallocate files, so the best
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1732 * we can do is report the max that could possibly fit in f_files,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1733 * and that minus the number actually used in f_ffree.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1734 * For f_ffree, report the smaller of the number of object available
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1735 * and the number of blocks (each object will take at least a block).
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1736 */
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1737 statp->f_ffree = MIN(availobjs, statp->f_bfree);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1738 statp->f_favail = statp->f_ffree; /* no "root reservation" */
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1739 statp->f_files = statp->f_ffree + usedobjs;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1740
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1741 (void) cmpldev(&d32, vfsp->vfs_dev);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1742 statp->f_fsid = d32;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1743
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1744 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1745 * We're a zfs filesystem.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1746 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1747 (void) strcpy(statp->f_basetype, vfssw[vfsp->vfs_fstype].vsw_name);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1748
1123 02a0390fbc7d 6363529 UNIX03/UNIX98 vsx CAPI.os/files/fstatvfs/T.fstatvfs 11 FAILS marks parents: 849 diff changeset	1749 statp->f_flag = vf_to_stf(vfsp->vfs_flag);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1750
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1751 statp->f_namemax = ZFS_MAXNAMELEN;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1752
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1753 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1754 * We have all of 32 characters to stuff a string here.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1755 * Is there anything useful we could/should provide?
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1756 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1757 bzero(statp->f_fstr, sizeof (statp->f_fstr));
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1758
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1759 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1760 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1761 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1762
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1763 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1764 zfs_root(vfs_t vfsp, vnode_t *vpp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1765 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1766 zfsvfs_t *zfsvfs = vfsp->vfs_data;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1767 znode_t *rootzp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1768 int error;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1769
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1770 ZFS_ENTER(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1771
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1772 error = zfs_zget(zfsvfs, zfsvfs->z_root, &rootzp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1773 if (error == 0)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1774 *vpp = ZTOV(rootzp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1775
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1776 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1777 return (error);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1778 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1779
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1780 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1781 * Teardown the zfsvfs::z_os.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1782 *
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1783 * Note, if 'unmounting' if FALSE, we return with the 'z_teardown_lock'
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1784 * and 'z_teardown_inactive_lock' held.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1785 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1786 static int
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1787 zfsvfs_teardown(zfsvfs_t *zfsvfs, boolean_t unmounting)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1788 {
5642 504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1789 znode_t *zp;
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1790
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1791 rrw_enter(&zfsvfs->z_teardown_lock, RW_WRITER, FTAG);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1792
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1793 if (!unmounting) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1794 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1795 * We purge the parent filesystem's vfsp as the parent
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1796 * filesystem and all of its snapshots have their vnode's
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1797 * v_vfsp set to the parent's filesystem's vfsp. Note,
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1798 * 'z_parent' is self referential for non-snapshots.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1799 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1800 (void) dnlc_purge_vfsp(zfsvfs->z_parent->z_vfs, 0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1801 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1802
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1803 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1804 * Close the zil. NB: Can't close the zil while zfs_inactive
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1805 * threads are blocked as zil_close can call zfs_inactive.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1806 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1807 if (zfsvfs->z_log) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1808 zil_close(zfsvfs->z_log);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1809 zfsvfs->z_log = NULL;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1810 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1811
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1812 rw_enter(&zfsvfs->z_teardown_inactive_lock, RW_WRITER);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1813
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1814 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1815 * If we are not unmounting (ie: online recv) and someone already
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1816 * unmounted this file system while we were doing the switcheroo,
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1817 * or a reopen of z_os failed then just bail out now.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1818 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1819 if (!unmounting && (zfsvfs->z_unmounted \|\| zfsvfs->z_os == NULL)) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1820 rw_exit(&zfsvfs->z_teardown_inactive_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1821 rrw_exit(&zfsvfs->z_teardown_lock, FTAG);
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1822 return (SET_ERROR(EIO));
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1823 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1824
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1825 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1826 * At this point there are no vops active, and any new vops will
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1827 * fail with EIO since we have z_teardown_lock for writer (only
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1828 * relavent for forced unmount).
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1829 *
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1830 * Release all holds on dbufs.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1831 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1832 mutex_enter(&zfsvfs->z_znodes_lock);
5642 504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1833 for (zp = list_head(&zfsvfs->z_all_znodes); zp != NULL;
504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1834 zp = list_next(&zfsvfs->z_all_znodes, zp))
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	1835 if (zp->z_sa_hdl) {
5642 504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1836 ASSERT(ZTOV(zp)->v_count > 0);
504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1837 zfs_znode_dmu_fini(zp);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1838 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1839 mutex_exit(&zfsvfs->z_znodes_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1840
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1841 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1842 * If we are unmounting, set the unmounted flag and let new vops
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1843 * unblock. zfs_inactive will have the unmounted behavior, and all
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1844 * other vops will fail with EIO.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1845 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1846 if (unmounting) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1847 zfsvfs->z_unmounted = B_TRUE;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1848 rrw_exit(&zfsvfs->z_teardown_lock, FTAG);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1849 rw_exit(&zfsvfs->z_teardown_inactive_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1850 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1851
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1852 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1853 * z_os will be NULL if there was an error in attempting to reopen
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1854 * zfsvfs, so just return as the properties had already been
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1855 * unregistered and cached data had been evicted before.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1856 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1857 if (zfsvfs->z_os == NULL)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1858 return (0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1859
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1860 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1861 * Unregister properties.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1862 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1863 zfs_unregister_callbacks(zfsvfs);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1864
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1865 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1866 * Evict cached data
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1867 */
13780 6da32a929222 3100 zvol rename fails with EBUSY when dirty Matthew Ahrens <mahrens@delphix.com> parents: 13765 diff changeset	1868 if (dsl_dataset_is_dirty(dmu_objset_ds(zfsvfs->z_os)) &&
6da32a929222 3100 zvol rename fails with EBUSY when dirty Matthew Ahrens <mahrens@delphix.com> parents: 13765 diff changeset	1869 !(zfsvfs->z_vfs->vfs_flag & VFS_RDONLY))
6da32a929222 3100 zvol rename fails with EBUSY when dirty Matthew Ahrens <mahrens@delphix.com> parents: 13765 diff changeset	1870 txg_wait_synced(dmu_objset_pool(zfsvfs->z_os), 0);
13973 4972ab336f54 3464 zfs synctask code needs restructuring Matthew Ahrens <mahrens@delphix.com> parents: 13952 diff changeset	1871 dmu_objset_evict_dbufs(zfsvfs->z_os);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1872
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1873 return (0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1874 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1875
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1876 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1877 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1878 zfs_umount(vfs_t vfsp, int fflag, cred_t cr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1879 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1880 zfsvfs_t *zfsvfs = vfsp->vfs_data;
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1881 objset_t *os;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1882 int ret;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1883
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1884 ret = secpolicy_fs_unmount(cr, vfsp);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1885 if (ret) {
11824 53128e5db7cf 6863610 ZFS mount can lose correct error return Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11539 diff changeset	1886 if (dsl_deleg_access((char *)refstr_value(vfsp->vfs_resource),
53128e5db7cf 6863610 ZFS mount can lose correct error return Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11539 diff changeset	1887 ZFS_DELEG_PERM_MOUNT, cr))
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1888 return (ret);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1889 }
1484 d330e98f8ed7 6350001 ZFS lookup performance still much slower than UFS : help tar : help spec SFS ek110237 parents: 1298 diff changeset	1890
4736 f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1891 /*
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1892 * We purge the parent filesystem's vfsp as the parent filesystem
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1893 * and all of its snapshots have their vnode's v_vfsp set to the
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1894 * parent's filesystem's vfsp. Note, 'z_parent' is self
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1895 * referential for non-snapshots.
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1896 */
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1897 (void) dnlc_purge_vfsp(zfsvfs->z_parent->z_vfs, 0);
1484 d330e98f8ed7 6350001 ZFS lookup performance still much slower than UFS : help tar : help spec SFS ek110237 parents: 1298 diff changeset	1898
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1899 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1900 * Unmount any snapshots mounted under .zfs before unmounting the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1901 * dataset itself.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1902 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1903 if (zfsvfs->z_ctldir != NULL &&
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1904 (ret = zfsctl_umount_snapshots(vfsp, fflag, cr)) != 0) {
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1905 return (ret);
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1906 }
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1907
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1908 if (!(fflag & MS_FORCE)) {
4480 0976678e58c5 6544140 assertion failed: err == 0 (0x11 == 0x0), file: ../../common/fs/zfs/zfs_znode.c, line: 555 gw25295 parents: 3912 diff changeset	1909 /*
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1910 * Check the number of active vnodes in the file system.
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1911 * Our count is maintained in the vfs structure, but the
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1912 * number is off by 1 to indicate a hold on the vfs
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1913 * structure itself.
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1914 *
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1915 * The '.zfs' directory maintains a reference of its
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1916 * own, and any active references underneath are
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1917 * reflected in the vnode count.
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1918 */
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1919 if (zfsvfs->z_ctldir == NULL) {
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1920 if (vfsp->vfs_count > 1)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1921 return (SET_ERROR(EBUSY));
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1922 } else {
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1923 if (vfsp->vfs_count > 2 \|\|
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1924 zfsvfs->z_ctldir->v_count > 1)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1925 return (SET_ERROR(EBUSY));
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1926 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1927 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1928
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1929 vfsp->vfs_flag \|= VFS_UNMOUNTED;
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1930
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1931 VERIFY(zfsvfs_teardown(zfsvfs, B_TRUE) == 0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1932 os = zfsvfs->z_os;
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1933
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1934 /*
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1935 * z_os will be NULL if there was an error in
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1936 * attempting to reopen zfsvfs.
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1937 */
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1938 if (os != NULL) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1939 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1940 * Unset the objset user_ptr.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1941 */
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1942 mutex_enter(&os->os_user_ptr_lock);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1943 dmu_objset_set_user(os, NULL);
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1944 mutex_exit(&os->os_user_ptr_lock);
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1945
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1946 /*
6689 47572a2f5e73 6610506 Eliminate or improve retry logic from callers of dmu_objset_open() maybee parents: 6570 diff changeset	1947 * Finally release the objset
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1948 */
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1949 dmu_objset_disown(os, zfsvfs);
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1950 }
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1951
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1952 /*
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1953 * We can now safely destroy the '.zfs' directory node.
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1954 */
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1955 if (zfsvfs->z_ctldir != NULL)
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1956 zfsctl_destroy(zfsvfs);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1957
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1958 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1959 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1960
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1961 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1962 zfs_vget(vfs_t vfsp, vnode_t vpp, fid_t fidp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1963 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1964 zfsvfs_t *zfsvfs = vfsp->vfs_data;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1965 znode_t *zp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1966 uint64_t object = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1967 uint64_t fid_gen = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1968 uint64_t gen_mask;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1969 uint64_t zp_gen;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1970 int i, err;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1971
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1972 *vpp = NULL;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1973
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1974 ZFS_ENTER(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1975
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1976 if (fidp->fid_len == LONG_FID_LEN) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1977 zfid_long_t zlfid = (zfid_long_t )fidp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1978 uint64_t objsetid = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1979 uint64_t setgen = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1980
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1981 for (i = 0; i < sizeof (zlfid->zf_setid); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1982 objsetid \|= ((uint64_t)zlfid->zf_setid[i]) << (8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1983
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1984 for (i = 0; i < sizeof (zlfid->zf_setgen); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1985 setgen \|= ((uint64_t)zlfid->zf_setgen[i]) << (8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1986
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1987 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1988
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1989 err = zfsctl_lookup_objset(vfsp, objsetid, &zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1990 if (err)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	1991 return (SET_ERROR(EINVAL));
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1992 ZFS_ENTER(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1993 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1994
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1995 if (fidp->fid_len == SHORT_FID_LEN \|\| fidp->fid_len == LONG_FID_LEN) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1996 zfid_short_t zfid = (zfid_short_t )fidp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1997
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1998 for (i = 0; i < sizeof (zfid->zf_object); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1999 object \|= ((uint64_t)zfid->zf_object[i]) << (8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2000
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2001 for (i = 0; i < sizeof (zfid->zf_gen); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2002 fid_gen \|= ((uint64_t)zfid->zf_gen[i]) << (8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2003 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2004 ZFS_EXIT(zfsvfs);
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	2005 return (SET_ERROR(EINVAL));
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2006 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2007
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2008 /* A zero fid_gen means we are in the .zfs control directories */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2009 if (fid_gen == 0 &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2010 (object == ZFSCTL_INO_ROOT \|\| object == ZFSCTL_INO_SNAPDIR)) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2011 *vpp = zfsvfs->z_ctldir;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2012 ASSERT(*vpp != NULL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2013 if (object == ZFSCTL_INO_SNAPDIR) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2014 VERIFY(zfsctl_root_lookup(*vpp, "snapshot", vpp, NULL,
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	2015 0, NULL, NULL, NULL, NULL, NULL) == 0);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2016 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2017 VN_HOLD(*vpp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2018 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2019 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2020 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2021 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2022
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2023 gen_mask = -1ULL >> (64 - 8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2024
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2025 dprintf("getting %llu [%u mask %llx]\n", object, fid_gen, gen_mask);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2026 if (err = zfs_zget(zfsvfs, object, &zp)) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2027 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2028 return (err);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2029 }
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2030 (void) sa_lookup(zp->z_sa_hdl, SA_ZPL_GEN(zfsvfs), &zp_gen,
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2031 sizeof (uint64_t));
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2032 zp_gen = zp_gen & gen_mask;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2033 if (zp_gen == 0)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2034 zp_gen = 1;
3461 c19b22f347d6 6514331 in-memory delete queue is not needed ahrens parents: 3265 diff changeset	2035 if (zp->z_unlinked \|\| zp_gen != fid_gen) {
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2036 dprintf("znode gen (%u) != fid gen (%u)\n", zp_gen, fid_gen);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2037 VN_RELE(ZTOV(zp));
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2038 ZFS_EXIT(zfsvfs);
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	2039 return (SET_ERROR(EINVAL));
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2040 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2041
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2042 *vpp = ZTOV(zp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2043 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2044 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2045 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2046
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2047 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2048 * Block out VOPs and close zfsvfs_t::z_os
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2049 *
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2050 * Note, if successful, then we return with the 'z_teardown_lock' and
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2051 * 'z_teardown_inactive_lock' write held.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2052 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2053 int
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2054 zfs_suspend_fs(zfsvfs_t *zfsvfs)
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2055 {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2056 int error;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2057
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2058 if ((error = zfsvfs_teardown(zfsvfs, B_FALSE)) != 0)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2059 return (error);
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2060 dmu_objset_disown(zfsvfs->z_os, zfsvfs);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2061
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2062 return (0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2063 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2064
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2065 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2066 * Reopen zfsvfs_t::z_os and release VOPs.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2067 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2068 int
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2069 zfs_resume_fs(zfsvfs_t zfsvfs, const char osname)
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2070 {
13178 5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2071 int err;
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2072
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2073 ASSERT(RRW_WRITE_HELD(&zfsvfs->z_teardown_lock));
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2074 ASSERT(RW_WRITE_HELD(&zfsvfs->z_teardown_inactive_lock));
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2075
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2076 err = dmu_objset_own(osname, DMU_OST_ZFS, B_FALSE, zfsvfs,
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2077 &zfsvfs->z_os);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2078 if (err) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2079 zfsvfs->z_os = NULL;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2080 } else {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2081 znode_t *zp;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2082 uint64_t sa_obj = 0;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2083
13178 5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2084 /*
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2085 * Make sure version hasn't changed
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2086 */
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2087
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2088 err = zfs_get_zplprop(zfsvfs->z_os, ZFS_PROP_VERSION,
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2089 &zfsvfs->z_version);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2090
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2091 if (err)
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2092 goto bail;
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2093
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2094 err = zap_lookup(zfsvfs->z_os, MASTER_NODE_OBJ,
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2095 ZFS_SA_ATTRS, 8, 1, &sa_obj);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2096
13178 5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2097 if (err && zfsvfs->z_version >= ZPL_VERSION_SA)
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2098 goto bail;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2099
12493 89ce40422cea 6952177 SA handling of on-disk corruption can be improved Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 12296 diff changeset	2100 if ((err = sa_setup(zfsvfs->z_os, sa_obj,
89ce40422cea 6952177 SA handling of on-disk corruption can be improved Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 12296 diff changeset	2101 zfs_attr_table, ZPL_END, &zfsvfs->z_attr_table)) != 0)
89ce40422cea 6952177 SA handling of on-disk corruption can be improved Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 12296 diff changeset	2102 goto bail;
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2103
13178 5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2104 if (zfsvfs->z_version >= ZPL_VERSION_SA)
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2105 sa_register_update_callback(zfsvfs->z_os,
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2106 zfs_sa_upgrade);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2107
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2108 VERIFY(zfsvfs_setup(zfsvfs, B_FALSE) == 0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2109
13178 5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2110 zfs_set_fuid_feature(zfsvfs);
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2111
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2112 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2113 * Attempt to re-establish all the active znodes with
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2114 * their dbufs. If a zfs_rezget() fails, then we'll let
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2115 * any potential callers discover that via ZFS_ENTER_VERIFY_VP
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2116 * when they try to use their znode.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2117 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2118 mutex_enter(&zfsvfs->z_znodes_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2119 for (zp = list_head(&zfsvfs->z_all_znodes); zp;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2120 zp = list_next(&zfsvfs->z_all_znodes, zp)) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2121 (void) zfs_rezget(zp);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2122 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2123 mutex_exit(&zfsvfs->z_znodes_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2124 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2125
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2126 bail:
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2127 /* release the VOPs */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2128 rw_exit(&zfsvfs->z_teardown_inactive_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2129 rrw_exit(&zfsvfs->z_teardown_lock, FTAG);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2130
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2131 if (err) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2132 /*
13178 5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2133 * Since we couldn't reopen zfsvfs::z_os, or
5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2134 * setup the sa framework force unmount this file system.
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2135 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2136 if (vn_vfswlock(zfsvfs->z_vfs->vfs_vnodecovered) == 0)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2137 (void) dounmount(zfsvfs->z_vfs, MS_FORCE, CRED());
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2138 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2139 return (err);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2140 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2141
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2142 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2143 zfs_freevfs(vfs_t *vfsp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2144 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2145 zfsvfs_t *zfsvfs = vfsp->vfs_data;
9214 8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	2146
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	2147 /*
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	2148 * If this is a snapshot, we have an extra VFS_HOLD on our parent
12095 6596d5361407 6891449 zvol_strategy() check for zv == NULL too late Chris Kirby <Chris.Kirby@sun.com> parents: 12070 diff changeset	2149 * from zfs_mount(). Release it here. If we came through
6596d5361407 6891449 zvol_strategy() check for zv == NULL too late Chris Kirby <Chris.Kirby@sun.com> parents: 12070 diff changeset	2150 * zfs_mountroot() instead, we didn't grab an extra hold, so
6596d5361407 6891449 zvol_strategy() check for zv == NULL too late Chris Kirby <Chris.Kirby@sun.com> parents: 12070 diff changeset	2151 * skip the VFS_RELE for rootvfs.
9214 8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	2152 */
12095 6596d5361407 6891449 zvol_strategy() check for zv == NULL too late Chris Kirby <Chris.Kirby@sun.com> parents: 12070 diff changeset	2153 if (zfsvfs->z_issnap && (vfsp != rootvfs))
9214 8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	2154 VFS_RELE(zfsvfs->z_parent->z_vfs);
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	2155
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2156 zfsvfs_free(zfsvfs);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2157
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2158 atomic_add_32(&zfs_active_fs_count, -1);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2159 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2160
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2161 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2162 * VFS_INIT() initialization. Note that there is no VFS_FINI(),
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2163 * so we can't safely do any non-idempotent initialization here.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2164 * Leave that to zfs_init() and zfs_fini(), which are called
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2165 * from the module's _init() and _fini() entry points.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2166 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2167 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2168 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2169 zfs_vfsinit(int fstype, char *name)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2170 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2171 int error;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2172
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2173 zfsfstype = fstype;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2174
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2175 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2176 * Setup vfsops and vnodeops tables.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2177 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2178 error = vfs_setfsops(fstype, zfs_vfsops_template, &zfs_vfsops);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2179 if (error != 0) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2180 cmn_err(CE_WARN, "zfs: bad vfs ops template");
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2181 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2182
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2183 error = zfs_create_op_tables();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2184 if (error) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2185 zfs_remove_op_tables();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2186 cmn_err(CE_WARN, "zfs: bad vnode ops template");
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2187 (void) vfs_freevfsops_by_type(zfsfstype);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2188 return (error);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2189 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2190
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2191 mutex_init(&zfs_dev_mtx, NULL, MUTEX_DEFAULT, NULL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2192
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2193 /*
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	2194 * Unique major number for all zfs mounts.
8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	2195 * If we run out of 32-bit minors, we'll getudev() another major.
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2196 */
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	2197 zfs_major = ddi_name_to_major(ZFS_DRIVER);
8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	2198 zfs_minor = ZFS_MIN_MINOR;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2199
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2200 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2201 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2202
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2203 void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2204 zfs_init(void)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2205 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2206 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2207 * Initialize .zfs directory structures
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2208 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2209 zfsctl_init();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2210
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2211 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2212 * Initialize znode cache, vnode ops, etc...
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2213 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2214 zfs_znode_init();
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2215
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2216 dmu_objset_register_type(DMU_OST_ZFS, zfs_space_delta_cb);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2217 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2218
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2219 void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2220 zfs_fini(void)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2221 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2222 zfsctl_fini();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2223 zfs_znode_fini();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2224 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2225
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2226 int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2227 zfs_busy(void)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2228 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2229 return (zfs_active_fs_count != 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2230 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2231
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2232 int
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2233 zfs_set_version(zfsvfs_t *zfsvfs, uint64_t newvers)
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2234 {
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2235 int error;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2236 objset_t *os = zfsvfs->z_os;
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2237 dmu_tx_t *tx;
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2238
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2239 if (newvers < ZPL_VERSION_INITIAL \|\| newvers > ZPL_VERSION)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	2240 return (SET_ERROR(EINVAL));
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2241
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2242 if (newvers < zfsvfs->z_version)
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	2243 return (SET_ERROR(EINVAL));
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2244
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2245 if (zfs_spa_version_map(newvers) >
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2246 spa_version(dmu_objset_spa(zfsvfs->z_os)))
13980 d7059eb1884c 3598 want to dtrace when errors are generated in zfs Matthew Ahrens <mahrens@delphix.com> parents: 13973 diff changeset	2247 return (SET_ERROR(ENOTSUP));
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2248
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2249 tx = dmu_tx_create(os);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2250 dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, B_FALSE, ZPL_VERSION_STR);
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2251 if (newvers >= ZPL_VERSION_SA && !zfsvfs->z_use_sa) {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2252 dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, B_TRUE,
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2253 ZFS_SA_ATTRS);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2254 dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2255 }
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2256 error = dmu_tx_assign(tx, TXG_WAIT);
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2257 if (error) {
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2258 dmu_tx_abort(tx);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2259 return (error);
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2260 }
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2261
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2262 error = zap_update(os, MASTER_NODE_OBJ, ZPL_VERSION_STR,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2263 8, 1, &newvers, tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2264
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2265 if (error) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2266 dmu_tx_commit(tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2267 return (error);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2268 }
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2269
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2270 if (newvers >= ZPL_VERSION_SA && !zfsvfs->z_use_sa) {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2271 uint64_t sa_obj;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2272
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2273 ASSERT3U(spa_version(dmu_objset_spa(zfsvfs->z_os)), >=,
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2274 SPA_VERSION_SA);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2275 sa_obj = zap_create(os, DMU_OT_SA_MASTER_NODE,
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2276 DMU_OT_NONE, 0, tx);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2277
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2278 error = zap_add(os, MASTER_NODE_OBJ,
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2279 ZFS_SA_ATTRS, 8, 1, &sa_obj, tx);
13805 e3a9ae14a119 3006 VERIFY[S,U,P] and ASSERT[S,U,P] frequently check if first argument is zero Madhav Suresh <madhav.suresh@delphix.com> parents: 13780 diff changeset	2280 ASSERT0(error);
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2281
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2282 VERIFY(0 == sa_set_sa_object(os, sa_obj));
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2283 sa_register_update_callback(os, zfs_sa_upgrade);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2284 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2285
13743 95aba6e49b9f 2882 implement libzfs_core Matthew Ahrens <mahrens@delphix.com> parents: 13370 diff changeset	2286 spa_history_log_internal_ds(dmu_objset_ds(os), "upgrade", tx,
95aba6e49b9f 2882 implement libzfs_core Matthew Ahrens <mahrens@delphix.com> parents: 13370 diff changeset	2287 "from %llu to %llu", zfsvfs->z_version, newvers);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2288
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2289 dmu_tx_commit(tx);
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2290
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2291 zfsvfs->z_version = newvers;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2292
13178 5f70b43d6386 6977619 NULL pointer deference in sa_handle_get_from_db() Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 13081 diff changeset	2293 zfs_set_fuid_feature(zfsvfs);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2294
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2295 return (0);
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2296 }
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2297
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2298 /*
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2299 * Read a property stored within the master node.
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2300 */
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2301 int
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2302 zfs_get_zplprop(objset_t os, zfs_prop_t prop, uint64_t value)
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2303 {
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2304 const char *pname;
7184 9508660f9c27 PSARC 2008/223 Pool root file system properties via zpool(1M) timh parents: 7147 diff changeset	2305 int error = ENOENT;
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2306
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2307 /*
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2308 * Look up the file system's value for the property. For the
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2309 * version property, we look up a slightly different string.
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2310 */
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2311 if (prop == ZFS_PROP_VERSION)
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2312 pname = ZPL_VERSION_STR;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2313 else
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2314 pname = zfs_prop_to_name(prop);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2315
7184 9508660f9c27 PSARC 2008/223 Pool root file system properties via zpool(1M) timh parents: 7147 diff changeset	2316 if (os != NULL)
9508660f9c27 PSARC 2008/223 Pool root file system properties via zpool(1M) timh parents: 7147 diff changeset	2317 error = zap_lookup(os, MASTER_NODE_OBJ, pname, 8, 1, value);
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2318
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2319 if (error == ENOENT) {
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2320 /* No value set, use the default value */
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2321 switch (prop) {
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2322 case ZFS_PROP_VERSION:
6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2323 *value = ZPL_VERSION;
6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2324 break;
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2325 case ZFS_PROP_NORMALIZE:
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2326 case ZFS_PROP_UTF8ONLY:
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2327 *value = 0;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2328 break;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2329 case ZFS_PROP_CASE:
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2330 *value = ZFS_CASE_SENSITIVE;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2331 break;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2332 default:
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2333 return (error);
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2334 }
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2335 error = 0;
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2336 }
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2337 return (error);
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2338 }
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2339
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2340 static vfsdef_t vfw = {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2341 VFSDEF_VERSION,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2342 MNTTYPE_ZFS,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2343 zfs_vfsinit,
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	2344 VSW_HASPROTO\|VSW_CANRWRO\|VSW_CANREMOUNT\|VSW_VOLATILEDEV\|VSW_STATS\|
12633 9f2cda0ed938 PSARC 2010/144 lofi(7D) in non global zones John Levon <john.levon@sun.com> parents: 12530 diff changeset	2345 VSW_XID\|VSW_ZMOUNT,
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2346 &zfs_mntopts
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2347 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2348
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2349 struct modlfs zfs_modlfs = {
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2350 &mod_fsops, "ZFS filesystem version " SPA_VERSION_STRING, &vfw
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2351 };

Mercurial > illumos > illumos-gate

annotate usr/src/uts/common/fs/zfs/zfs_vfsops.c @ 13980:d7059eb1884c