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

annotate usr/src/uts/common/fs/zfs/zfs_vfsops.c @ 13061:bda0decf867b

PSARC 2010/306 Read-only ZFS pools 6720531 ZFS should provide read-only import

author	George Wilson <George.Wilson@Sun.COM>
date	Mon, 09 Aug 2010 12:39:28 -0700
parents	0cc41f673f9d
children	79b387e27d99

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.
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	23 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	24
12294 2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	25 /* Portions Copyright 2010 Robert Milkowski */
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	26
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	27 #include <sys/types.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	28 #include <sys/param.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	29 #include <sys/systm.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	30 #include <sys/sysmacros.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	31 #include <sys/kmem.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	32 #include <sys/pathname.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	33 #include <sys/vnode.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	34 #include <sys/vfs.h>
3898 c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	35 #include <sys/vfs_opreg.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	36 #include <sys/mntent.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	37 #include <sys/mount.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	38 #include <sys/cmn_err.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	39 #include "fs/fs_subr.h"
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	40 #include <sys/zfs_znode.h>
3461 c19b22f347d6 6514331 in-memory delete queue is not needed ahrens parents: 3265 diff changeset	41 #include <sys/zfs_dir.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	42 #include <sys/zil.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	43 #include <sys/fs/zfs.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	44 #include <sys/dmu.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	45 #include <sys/dsl_prop.h>
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	46 #include <sys/dsl_dataset.h>
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	47 #include <sys/dsl_deleg.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	48 #include <sys/spa.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	49 #include <sys/zap.h>
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	50 #include <sys/sa.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	51 #include <sys/varargs.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	52 #include <sys/policy.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	53 #include <sys/atomic.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	54 #include <sys/mkdev.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	55 #include <sys/modctl.h>
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	56 #include <sys/refstr.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	57 #include <sys/zfs_ioctl.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	58 #include <sys/zfs_ctldir.h>
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	59 #include <sys/zfs_fuid.h>
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	60 #include <sys/bootconf.h>
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	61 #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	62 #include <sys/dnlc.h>
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	63 #include <sys/dmu_objset.h>
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	64 #include <sys/spa_boot.h>
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	65 #include <sys/sa.h>
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	66 #include "zfs_comutil.h"
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	67
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	68 int zfsfstype;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	69 vfsops_t *zfs_vfsops = NULL;
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	70 static major_t zfs_major;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	71 static minor_t zfs_minor;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	72 static kmutex_t zfs_dev_mtx;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	73
9234 bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	74 extern int sys_shutdown;
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	75
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	76 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	77 static int zfs_umount(vfs_t vfsp, int fflag, cred_t cr);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	78 static int zfs_mountroot(vfs_t *vfsp, enum whymountroot);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	79 static int zfs_root(vfs_t vfsp, vnode_t *vpp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	80 static int zfs_statvfs(vfs_t vfsp, struct statvfs64 statp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	81 static int zfs_vget(vfs_t vfsp, vnode_t vpp, fid_t fidp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	82 static void zfs_freevfs(vfs_t *vfsp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	83
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	84 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	85 VFSNAME_MOUNT, { .vfs_mount = zfs_mount },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	86 VFSNAME_MOUNTROOT, { .vfs_mountroot = zfs_mountroot },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	87 VFSNAME_UNMOUNT, { .vfs_unmount = zfs_umount },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	88 VFSNAME_ROOT, { .vfs_root = zfs_root },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	89 VFSNAME_STATVFS, { .vfs_statvfs = zfs_statvfs },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	90 VFSNAME_SYNC, { .vfs_sync = zfs_sync },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	91 VFSNAME_VGET, { .vfs_vget = zfs_vget },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	92 VFSNAME_FREEVFS, { .vfs_freevfs = zfs_freevfs },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	93 NULL, NULL
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	94 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	95
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	96 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	97 VFSNAME_FREEVFS, { .vfs_freevfs = zfs_freevfs },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	98 NULL, NULL
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	99 };
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 * We need to keep a count of active fs's.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	103 * This is necessary to prevent our module
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	104 * from being unloaded after a umount -f
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	105 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	106 static uint32_t zfs_active_fs_count = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	107
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	108 static char *noatime_cancel[] = { MNTOPT_ATIME, NULL };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	109 static char *atime_cancel[] = { MNTOPT_NOATIME, NULL };
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	110 static char *noxattr_cancel[] = { MNTOPT_XATTR, NULL };
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	111 static char *xattr_cancel[] = { MNTOPT_NOXATTR, NULL };
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	112
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	113 /*
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	114 * 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	115 * by the equivalent property.
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	116 */
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	117 static mntopt_t mntopts[] = {
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	118 { MNTOPT_NOXATTR, noxattr_cancel, NULL, 0, NULL },
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	119 { 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	120 { MNTOPT_NOATIME, noatime_cancel, NULL, 0, NULL },
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	121 { MNTOPT_ATIME, atime_cancel, NULL, 0, NULL }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	122 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	123
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	124 static mntopts_t zfs_mntopts = {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	125 sizeof (mntopts) / sizeof (mntopt_t),
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	126 mntopts
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	127 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	128
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	129 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	130 int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	131 zfs_sync(vfs_t vfsp, short flag, cred_t cr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	132 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	133 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	134 * Data integrity is job one. We don't want a compromised kernel
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	135 * writing to the storage pool, so we never sync during panic.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	136 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	137 if (panicstr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	138 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	139
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	140 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	141 * SYNC_ATTR is used by fsflush() to force old filesystems like UFS
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	142 * to sync metadata, which they would otherwise cache indefinitely.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	143 * Semantically, the only requirement is that the sync be initiated.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	144 * The DMU syncs out txgs frequently, so there's nothing to do.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	145 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	146 if (flag & SYNC_ATTR)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	147 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	148
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	149 if (vfsp != NULL) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	150 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	151 * Sync a specific filesystem.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	152 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	153 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	154 dsl_pool_t *dp;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	155
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	156 ZFS_ENTER(zfsvfs);
9234 bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	157 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	158
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 * 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	161 * 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	162 */
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	163 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	164 ZFS_EXIT(zfsvfs);
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	165 return (0);
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	166 }
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	167
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	168 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	169 zil_commit(zfsvfs->z_log, 0);
12294 2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	170
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	171 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	172 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	173 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	174 * Sync all ZFS filesystems. This is what happens when you
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	175 * run sync(1M). Unlike other filesystems, ZFS honors the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	176 * request by waiting for all pools to commit all dirty data.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	177 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	178 spa_sync_allpools();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	179 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	180
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	181 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	182 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	183
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	184 static int
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	185 zfs_create_unique_device(dev_t *dev)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	186 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	187 major_t new_major;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	188
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	189 do {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	190 ASSERT3U(zfs_minor, <=, MAXMIN32);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	191 minor_t start = zfs_minor;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	192 do {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	193 mutex_enter(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	194 if (zfs_minor >= MAXMIN32) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	195 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	196 * If we're still using the real major
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	197 * keep out of /dev/zfs and /dev/zvol minor
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	198 * number space. If we're using a getudev()'ed
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	199 * major number, we can use all of its minors.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	200 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	201 if (zfs_major == ddi_name_to_major(ZFS_DRIVER))
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	202 zfs_minor = ZFS_MIN_MINOR;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	203 else
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	204 zfs_minor = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	205 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	206 zfs_minor++;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	207 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	208 *dev = makedevice(zfs_major, zfs_minor);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	209 mutex_exit(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	210 } while (vfs_devismounted(*dev) && zfs_minor != start);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	211 if (zfs_minor == start) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	212 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	213 * We are using all ~262,000 minor numbers for the
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	214 * current major number. Create a new major number.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	215 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	216 if ((new_major = getudev()) == (major_t)-1) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	217 cmn_err(CE_WARN,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	218 "zfs_mount: Can't get unique major "
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	219 "device number.");
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	220 return (-1);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	221 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	222 mutex_enter(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	223 zfs_major = new_major;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	224 zfs_minor = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	225
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	226 mutex_exit(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	227 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	228 break;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	229 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	230 /* CONSTANTCONDITION */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	231 } while (1);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	232
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	233 return (0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	234 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	235
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	236 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	237 atime_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	238 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	239 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	240
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	241 if (newval == TRUE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	242 zfsvfs->z_atime = TRUE;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	243 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOATIME);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	244 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_ATIME, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	245 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	246 zfsvfs->z_atime = FALSE;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	247 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_ATIME);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	248 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOATIME, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	249 }
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 static void
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	253 xattr_changed_cb(void *arg, uint64_t newval)
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	254 {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	255 zfsvfs_t *zfsvfs = arg;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	256
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	257 if (newval == TRUE) {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	258 /* XXX locking on vfs_flag? */
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	259 zfsvfs->z_vfs->vfs_flag \|= VFS_XATTR;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	260 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOXATTR);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	261 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_XATTR, NULL, 0);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	262 } else {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	263 /* XXX locking on vfs_flag? */
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	264 zfsvfs->z_vfs->vfs_flag &= ~VFS_XATTR;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	265 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_XATTR);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	266 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOXATTR, NULL, 0);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	267 }
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 static void
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	271 blksz_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	272 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	273 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	274
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	275 if (newval < SPA_MINBLOCKSIZE \|\|
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	276 newval > SPA_MAXBLOCKSIZE \|\| !ISP2(newval))
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	277 newval = SPA_MAXBLOCKSIZE;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	278
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	279 zfsvfs->z_max_blksz = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	280 zfsvfs->z_vfs->vfs_bsize = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	281 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	282
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	283 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	284 readonly_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	285 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	286 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	287
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	288 if (newval) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	289 /* XXX locking on vfs_flag? */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	290 zfsvfs->z_vfs->vfs_flag \|= VFS_RDONLY;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	291 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_RW);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	292 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_RO, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	293 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	294 /* XXX locking on vfs_flag? */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	295 zfsvfs->z_vfs->vfs_flag &= ~VFS_RDONLY;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	296 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_RO);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	297 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_RW, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	298 }
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 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	302 devices_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	303 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	304 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	305
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	306 if (newval == FALSE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	307 zfsvfs->z_vfs->vfs_flag \|= VFS_NODEVICES;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	308 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_DEVICES);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	309 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NODEVICES, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	310 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	311 zfsvfs->z_vfs->vfs_flag &= ~VFS_NODEVICES;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	312 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NODEVICES);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	313 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_DEVICES, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	314 }
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 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	318 setuid_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	319 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	320 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	321
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	322 if (newval == FALSE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	323 zfsvfs->z_vfs->vfs_flag \|= VFS_NOSETUID;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	324 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_SETUID);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	325 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOSETUID, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	326 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	327 zfsvfs->z_vfs->vfs_flag &= ~VFS_NOSETUID;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	328 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOSETUID);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	329 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_SETUID, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	330 }
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 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	334 exec_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	335 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	336 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	337
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	338 if (newval == FALSE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	339 zfsvfs->z_vfs->vfs_flag \|= VFS_NOEXEC;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	340 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_EXEC);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	341 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOEXEC, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	342 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	343 zfsvfs->z_vfs->vfs_flag &= ~VFS_NOEXEC;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	344 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOEXEC);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	345 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_EXEC, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	346 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	347 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	348
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	349 /*
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	350 * 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	351 * 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	352 * behavior may be seen from cifs clients
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	353 *
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	354 * 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	355 * 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	356 */
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	357 static void
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	358 nbmand_changed_cb(void *arg, uint64_t newval)
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	359 {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	360 zfsvfs_t *zfsvfs = arg;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	361 if (newval == FALSE) {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	362 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NBMAND);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	363 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NONBMAND, NULL, 0);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	364 } else {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	365 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NONBMAND);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	366 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NBMAND, NULL, 0);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	367 }
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
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	370 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	371 snapdir_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	372 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	373 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	374
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	375 zfsvfs->z_show_ctldir = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	376 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	377
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	378 static void
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	379 vscan_changed_cb(void *arg, uint64_t newval)
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	380 {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	381 zfsvfs_t *zfsvfs = arg;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	382
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	383 zfsvfs->z_vscan = newval;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	384 }
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 static void
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	387 acl_inherit_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	388 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	389 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	390
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	391 zfsvfs->z_acl_inherit = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	392 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	393
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	394 static int
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	395 zfs_register_callbacks(vfs_t *vfsp)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	396 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	397 struct dsl_dataset *ds = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	398 objset_t *os = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	399 zfsvfs_t *zfsvfs = NULL;
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	400 uint64_t nbmand;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	401 int readonly, do_readonly = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	402 int setuid, do_setuid = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	403 int exec, do_exec = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	404 int devices, do_devices = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	405 int xattr, do_xattr = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	406 int atime, do_atime = B_FALSE;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	407 int error = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	408
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	409 ASSERT(vfsp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	410 zfsvfs = vfsp->vfs_data;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	411 ASSERT(zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	412 os = zfsvfs->z_os;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	413
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	414 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	415 * The act of registering our callbacks will destroy any mount
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	416 * options we may have. In order to enable temporary overrides
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	417 * of mount options, we stash away the current values and
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	418 * restore them after we register the callbacks.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	419 */
13061 bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	420 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	421 !spa_writeable(dmu_objset_spa(os))) {
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	422 readonly = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	423 do_readonly = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	424 } else if (vfs_optionisset(vfsp, MNTOPT_RW, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	425 readonly = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	426 do_readonly = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	427 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	428 if (vfs_optionisset(vfsp, MNTOPT_NOSUID, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	429 devices = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	430 setuid = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	431 do_devices = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	432 do_setuid = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	433 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	434 if (vfs_optionisset(vfsp, MNTOPT_NODEVICES, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	435 devices = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	436 do_devices = B_TRUE;
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	437 } else if (vfs_optionisset(vfsp, MNTOPT_DEVICES, NULL)) {
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	438 devices = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	439 do_devices = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	440 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	441
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	442 if (vfs_optionisset(vfsp, MNTOPT_NOSETUID, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	443 setuid = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	444 do_setuid = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	445 } else if (vfs_optionisset(vfsp, MNTOPT_SETUID, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	446 setuid = 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 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	449 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	450 if (vfs_optionisset(vfsp, MNTOPT_NOEXEC, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	451 exec = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	452 do_exec = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	453 } else if (vfs_optionisset(vfsp, MNTOPT_EXEC, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	454 exec = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	455 do_exec = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	456 }
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	457 if (vfs_optionisset(vfsp, MNTOPT_NOXATTR, NULL)) {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	458 xattr = B_FALSE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	459 do_xattr = B_TRUE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	460 } else if (vfs_optionisset(vfsp, MNTOPT_XATTR, NULL)) {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	461 xattr = B_TRUE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	462 do_xattr = B_TRUE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	463 }
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	464 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	465 atime = B_FALSE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	466 do_atime = B_TRUE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	467 } 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	468 atime = B_TRUE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	469 do_atime = B_TRUE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	470 }
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	471
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	472 /*
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	473 * 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	474 * mount time.
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	475 *
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	476 * 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	477 * at mount time.
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	478 */
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	479 if (vfs_optionisset(vfsp, MNTOPT_NONBMAND, NULL)) {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	480 nbmand = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	481 } else if (vfs_optionisset(vfsp, MNTOPT_NBMAND, NULL)) {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	482 nbmand = B_TRUE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	483 } else {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	484 char osname[MAXNAMELEN];
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	485
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	486 dmu_objset_name(os, osname);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	487 if (error = dsl_prop_get_integer(osname, "nbmand", &nbmand,
7265 cc18862247da PSARC/2008/483 ZFS clone -o ahrens parents: 7184 diff changeset	488 NULL)) {
cc18862247da PSARC/2008/483 ZFS clone -o ahrens parents: 7184 diff changeset	489 return (error);
cc18862247da PSARC/2008/483 ZFS clone -o ahrens parents: 7184 diff changeset	490 }
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	491 }
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	492
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	493 /*
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	494 * Register property callbacks.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	495 *
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	496 * It would probably be fine to just check for i/o error from
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	497 * the first prop_register(), but I guess I like to go
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	498 * overboard...
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	499 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	500 ds = dmu_objset_ds(os);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	501 error = dsl_prop_register(ds, "atime", atime_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	502 error = error ? error : dsl_prop_register(ds,
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	503 "xattr", xattr_changed_cb, zfsvfs);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	504 error = error ? error : dsl_prop_register(ds,
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	505 "recordsize", blksz_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	506 error = error ? error : dsl_prop_register(ds,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	507 "readonly", readonly_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	508 error = error ? error : dsl_prop_register(ds,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	509 "devices", devices_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	510 error = error ? error : dsl_prop_register(ds,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	511 "setuid", setuid_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	512 error = error ? error : dsl_prop_register(ds,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	513 "exec", exec_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	514 error = error ? error : dsl_prop_register(ds,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	515 "snapdir", snapdir_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	516 error = error ? error : dsl_prop_register(ds,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	517 "aclinherit", acl_inherit_changed_cb, zfsvfs);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	518 error = error ? error : dsl_prop_register(ds,
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	519 "vscan", vscan_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	520 if (error)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	521 goto unregister;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	522
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	523 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	524 * Invoke our callbacks to restore temporary mount options.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	525 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	526 if (do_readonly)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	527 readonly_changed_cb(zfsvfs, readonly);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	528 if (do_setuid)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	529 setuid_changed_cb(zfsvfs, setuid);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	530 if (do_exec)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	531 exec_changed_cb(zfsvfs, exec);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	532 if (do_devices)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	533 devices_changed_cb(zfsvfs, devices);
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	534 if (do_xattr)
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	535 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	536 if (do_atime)
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	537 atime_changed_cb(zfsvfs, atime);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	538
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	539 nbmand_changed_cb(zfsvfs, nbmand);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	540
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	541 return (0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	542
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	543 unregister:
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	544 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	545 * We may attempt to unregister some callbacks that are not
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	546 * registered, but this is OK; it will simply return ENOMSG,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	547 * which we will ignore.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	548 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	549 (void) dsl_prop_unregister(ds, "atime", atime_changed_cb, zfsvfs);
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	550 (void) dsl_prop_unregister(ds, "xattr", xattr_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	551 (void) dsl_prop_unregister(ds, "recordsize", blksz_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	552 (void) dsl_prop_unregister(ds, "readonly", readonly_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	553 (void) dsl_prop_unregister(ds, "devices", devices_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	554 (void) dsl_prop_unregister(ds, "setuid", setuid_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	555 (void) dsl_prop_unregister(ds, "exec", exec_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	556 (void) dsl_prop_unregister(ds, "snapdir", snapdir_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	557 (void) dsl_prop_unregister(ds, "aclinherit", acl_inherit_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	558 zfsvfs);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	559 (void) dsl_prop_unregister(ds, "vscan", vscan_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	560 return (error);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	561
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	562 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	563
10407 34e10c4af053 6875779 zfs user accounting callbacks can be simplified Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10342 diff changeset	564 static int
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	565 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	566 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	567 {
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	568 znode_phys_t *znp = data;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	569 int error = 0;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	570
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	571 /*
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	572 * 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	573 */
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	574 if (bonustype != DMU_OT_ZNODE && bonustype != DMU_OT_SA)
10407 34e10c4af053 6875779 zfs user accounting callbacks can be simplified Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10342 diff changeset	575 return (ENOENT);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	576
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	577 /*
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	578 * 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	579 * 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	580 * 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	581 * 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	582 */
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	583 if (data == NULL)
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	584 return (EEXIST);
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	585
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	586 if (bonustype == DMU_OT_ZNODE) {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	587 *userp = znp->zp_uid;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	588 *groupp = znp->zp_gid;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	589 } else {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	590 int hdrsize;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	591
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	592 ASSERT(bonustype == DMU_OT_SA);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	593 hdrsize = sa_hdrsize(data);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	594
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	595 if (hdrsize != 0) {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	596 userp = ((uint64_t *)((uintptr_t)data + hdrsize +
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	597 SA_UID_OFFSET));
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	598 groupp = ((uint64_t *)((uintptr_t)data + hdrsize +
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	599 SA_GID_OFFSET));
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	600 } else {
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	601 /*
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	602 * 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	603 * 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	604 * 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	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 *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	607 *groupp = 0;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	608 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	609 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	610 return (error);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	611 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	612
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	613 static void
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	614 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	615 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	616 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	617 uint64_t fuid;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	618 const char *domain;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	619
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	620 fuid = strtonum(fuidstr, NULL);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	621
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	622 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	623 if (domain)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	624 (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	625 else
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	626 domainbuf[0] = '\0';
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	627 *ridp = FUID_RID(fuid);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	628 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	629
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	630 static uint64_t
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	631 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	632 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	633 switch (type) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	634 case ZFS_PROP_USERUSED:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	635 return (DMU_USERUSED_OBJECT);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	636 case ZFS_PROP_GROUPUSED:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	637 return (DMU_GROUPUSED_OBJECT);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	638 case ZFS_PROP_USERQUOTA:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	639 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	640 case ZFS_PROP_GROUPQUOTA:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	641 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	642 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	643 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	644 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	645
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	646 int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	647 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	648 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	649 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	650 int error;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	651 zap_cursor_t zc;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	652 zap_attribute_t za;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	653 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	654 uint64_t obj;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	655
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	656 if (!dmu_objset_userspace_present(zfsvfs->z_os))
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	657 return (ENOTSUP);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	658
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	659 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	660 if (obj == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	661 *bufsizep = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	662 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	663 }
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 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	666 (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	667 zap_cursor_advance(&zc)) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	668 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	669 *bufsizep)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	670 break;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	671
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	672 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	673 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	674
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	675 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	676 buf++;
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 if (error == ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	679 error = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	680
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	681 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	682 *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	683 *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	684 zap_cursor_fini(&zc);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	685 return (error);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	686 }
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 /*
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	689 * 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	690 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	691 static int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	692 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	693 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	694 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	695 uint64_t fuid;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	696 int domainid = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	697
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	698 if (domain && domain[0]) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	699 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	700 if (domainid == -1)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	701 return (ENOENT);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	702 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	703 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	704 (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	705 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	706 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	707
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	708 int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	709 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	710 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	711 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	712 char buf[32];
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	713 int err;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	714 uint64_t obj;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	715
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	716 *valp = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	717
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	718 if (!dmu_objset_userspace_present(zfsvfs->z_os))
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	719 return (ENOTSUP);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	720
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	721 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	722 if (obj == 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	723 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	724
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	725 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	726 if (err)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	727 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	728
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	729 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	730 if (err == ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	731 err = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	732 return (err);
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
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	735 int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	736 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	737 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	738 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	739 char buf[32];
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	740 int err;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	741 dmu_tx_t *tx;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	742 uint64_t *objp;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	743 boolean_t fuid_dirtied;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	744
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	745 if (type != ZFS_PROP_USERQUOTA && type != ZFS_PROP_GROUPQUOTA)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	746 return (EINVAL);
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 if (zfsvfs->z_version < ZPL_VERSION_USERSPACE)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	749 return (ENOTSUP);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	750
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	751 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	752 &zfsvfs->z_groupquota_obj;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	753
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	754 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	755 if (err)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	756 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	757 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	758
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	759 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	760 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	761 if (*objp == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	762 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	763 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	764 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	765 if (fuid_dirtied)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	766 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	767 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	768 if (err) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	769 dmu_tx_abort(tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	770 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	771 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	772
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	773 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	774 if (*objp == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	775 *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	776 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	777 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	778 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	779 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	780 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	781
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	782 if (quota == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	783 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	784 if (err == ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	785 err = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	786 } else {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	787 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	788 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	789 ASSERT(err == 0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	790 if (fuid_dirtied)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	791 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	792 dmu_tx_commit(tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	793 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	794 }
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 boolean_t
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	797 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	798 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	799 char buf[32];
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	800 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	801 int err;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	802
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	803 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	804 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	805
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	806 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	807 return (B_FALSE);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	808
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	809 (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	810 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	811 if (err != 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	812 return (B_FALSE);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	813
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	814 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	815 if (err != 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	816 return (B_FALSE);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	817 return (used >= quota);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	818 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	819
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	820 boolean_t
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	821 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	822 {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	823 uint64_t fuid;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	824 uint64_t quotaobj;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	825 uid_t id;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	826
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	827 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	828
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	829 id = isgroup ? zp->z_gid : zp->z_uid;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	830
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	831 if (quotaobj == 0 \|\| zfsvfs->z_replay)
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	832 return (B_FALSE);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	833
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	834 if (IS_EPHEMERAL(id)) {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	835 VERIFY(0 == sa_lookup(zp->z_sa_hdl,
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	836 isgroup ? SA_ZPL_GID(zfsvfs) : SA_ZPL_UID(zfsvfs),
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	837 &fuid, sizeof (fuid)));
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	838 } else {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	839 fuid = (uint64_t)id;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	840 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	841
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	842 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	843 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	844
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	845 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	846 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	847 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	848 objset_t *os;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	849 zfsvfs_t *zfsvfs;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	850 uint64_t zval;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	851 int i, error;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	852 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	853
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	854 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	855
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	856 /*
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	857 * 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	858 * 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	859 */
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	860 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	861 if (error) {
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	862 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	863 return (error);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	864 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	865
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	866 /*
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	867 * 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	868 * 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	869 * 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	870 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	871 zfsvfs->z_vfs = NULL;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	872 zfsvfs->z_parent = zfsvfs;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	873 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	874 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	875 zfsvfs->z_os = os;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	876
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	877 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	878 if (error) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	879 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	880 } 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	881 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	882 (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	883 "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	884 "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	885 (u_longlong_t)spa_version(dmu_objset_spa(os)));
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	886 error = ENOTSUP;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	887 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	888 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	889 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	890 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	891 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	892
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	893 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	894 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	895 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	896
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	897 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	898 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	899 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	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 * 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	903 * insensitive.
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	904 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	905 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	906 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	907 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	908
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	909 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	910 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	911
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	912 if (zfsvfs->z_use_sa) {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	913 /* 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	914 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	915 &sa_obj);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	916 if (error)
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	917 return (error);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	918 } else {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	919 /*
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	920 * 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	921 * 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	922 */
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	923 sa_obj = 0;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	924 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	925
12493 89ce40422cea 6952177 SA handling of on-disk corruption can be improved Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 12296 diff changeset	926 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	927 &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	928 if (error)
89ce40422cea 6952177 SA handling of on-disk corruption can be improved Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 12296 diff changeset	929 goto out;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	930
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	931 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	932 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	933
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	934 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	935 &zfsvfs->z_root);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	936 if (error)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	937 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	938 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	939
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	940 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	941 &zfsvfs->z_unlinkedobj);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	942 if (error)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	943 goto out;
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 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	946 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	947 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	948 if (error && error != ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	949 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	950
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	951 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	952 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	953 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	954 if (error && error != ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	955 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	956
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	957 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	958 &zfsvfs->z_fuid_obj);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	959 if (error && error != ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	960 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	961
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	962 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	963 &zfsvfs->z_shares_dir);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	964 if (error && error != ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	965 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	966
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	967 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	968 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	969 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	970 offsetof(znode_t, z_link_node));
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	971 rrw_init(&zfsvfs->z_teardown_lock);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	972 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	973 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	974 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	975 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	976
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	977 *zfvp = zfsvfs;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	978 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	979
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	980 out:
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	981 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	982 *zfvp = NULL;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	983 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	984 return (error);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	985 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	986
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	987 static int
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	988 zfsvfs_setup(zfsvfs_t *zfsvfs, boolean_t mounting)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	989 {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	990 int error;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	991
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	992 error = zfs_register_callbacks(zfsvfs->z_vfs);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	993 if (error)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	994 return (error);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	995
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	996 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	997 * 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	998 */
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	999 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	1000 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	1001 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	1002
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	1003 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	1004
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1005 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1006 * 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	1007 * 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	1008 * operations out since we closed the ZIL.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1009 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1010 if (mounting) {
7638 5505e89fa6c8 6741237 zfs hang in txg_wait_open() on boot Neil Perrin <Neil.Perrin@Sun.COM> parents: 7265 diff changeset	1011 boolean_t readonly;
5505e89fa6c8 6741237 zfs hang in txg_wait_open() on boot Neil Perrin <Neil.Perrin@Sun.COM> parents: 7265 diff changeset	1012
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1013 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1014 * 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	1015 * allow replays to succeed.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1016 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1017 readonly = zfsvfs->z_vfs->vfs_flag & VFS_RDONLY;
8227 f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1018 if (readonly != 0)
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1019 zfsvfs->z_vfs->vfs_flag &= ~VFS_RDONLY;
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1020 else
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1021 zfs_unlinked_drain(zfsvfs);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1022
12294 2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1023 /*
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1024 * Parse and replay the intent log.
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1025 *
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1026 * 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	1027 * zfs_unlinked_drain(). (Further note: ziltest
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1028 * doesn't use readonly mounts, where
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1029 * 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	1030 * 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	1031 * 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	1032 * many txg's worth of changes.
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1033 *
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1034 * 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	1035 * 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	1036 * 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	1037 * 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	1038 * 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	1039 * 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	1040 * 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	1041 * 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	1042 * record.
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1043 *
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1044 * 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	1045 * 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	1046 * 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	1047 * 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	1048 * intent log record saying to allocate it.
2a74b443e6b1 PSARC/2010/108 zil synchronicity Mark J Musante <Mark.Musante@Sun.COM> parents: 12178 diff changeset	1049 */
13061 bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1050 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	1051 if (zil_replay_disable) {
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1052 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	1053 } else {
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1054 zfsvfs->z_replay = B_TRUE;
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1055 zil_replay(zfsvfs->z_os, zfsvfs,
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1056 zfs_replay_vector);
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1057 zfsvfs->z_replay = B_FALSE;
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1058 }
8227 f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1059 }
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1060 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	1061 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1062
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1063 return (0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1064 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1065
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1066 void
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1067 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	1068 {
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1069 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	1070 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	1071
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1072 /*
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1073 * 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	1074 * 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	1075 * 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	1076 * 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	1077 */
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1078 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	1079 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	1080
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1081 zfs_fuid_destroy(zfsvfs);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1082
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	1083 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	1084 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	1085 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	1086 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	1087 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	1088 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	1089 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	1090 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	1091 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	1092 }
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	1093
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1094 static void
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1095 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	1096 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1097 zfsvfs->z_use_fuids = USE_FUIDS(zfsvfs->z_version, zfsvfs->z_os);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1098 if (zfsvfs->z_use_fuids && zfsvfs->z_vfs) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1099 vfs_set_feature(zfsvfs->z_vfs, VFSFT_XVATTR);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1100 vfs_set_feature(zfsvfs->z_vfs, VFSFT_SYSATTR_VIEWS);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1101 vfs_set_feature(zfsvfs->z_vfs, VFSFT_ACEMASKONACCESS);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1102 vfs_set_feature(zfsvfs->z_vfs, VFSFT_ACLONCREATE);
9749 105f407a2680 PSARC 2009/246 ZFS support for Access Based Enumeration Tim Haley <Tim.Haley@Sun.COM> parents: 9688 diff changeset	1103 vfs_set_feature(zfsvfs->z_vfs, VFSFT_ACCESS_FILTER);
10793 34709091de6d 6886081 Solaris needs reparse point support (PSARC 2009/387) Dai Ngo <dai.ngo@sun.com> parents: 10685 diff changeset	1104 vfs_set_feature(zfsvfs->z_vfs, VFSFT_REPARSE);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1105 }
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	1106 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	1107 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1108
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1109 static int
7046 361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken ahrens parents: 6689 diff changeset	1110 zfs_domount(vfs_t vfsp, char osname)
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1111 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1112 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	1113 uint64_t recordsize, fsid_guid;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1114 int error = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1115 zfsvfs_t *zfsvfs;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1116
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1117 ASSERT(vfsp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1118 ASSERT(osname);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1119
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1120 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	1121 if (error)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1122 return (error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1123 zfsvfs->z_vfs = vfsp;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1124
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1125 /* Initialize the generic filesystem structure. */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1126 vfsp->vfs_bcount = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1127 vfsp->vfs_data = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1128
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1129 if (zfs_create_unique_device(&mount_dev) == -1) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1130 error = ENODEV;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1131 goto out;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1132 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1133 ASSERT(vfs_devismounted(mount_dev) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1134
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1135 if (error = dsl_prop_get_integer(osname, "recordsize", &recordsize,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1136 NULL))
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1137 goto out;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1138
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1139 vfsp->vfs_dev = mount_dev;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1140 vfsp->vfs_fstype = zfsfstype;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1141 vfsp->vfs_bsize = recordsize;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1142 vfsp->vfs_flag \|= VFS_NOTRUNC;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1143 vfsp->vfs_data = zfsvfs;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1144
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1145 /*
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1146 * 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	1147 * 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	1148 * 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	1149 * 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	1150 * 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	1151 * 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	1152 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1153 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	1154 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	1155 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	1156 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	1157 zfsfstype & 0xFF;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1158
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1159 /*
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1160 * Set features for file system.
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1161 */
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1162 zfs_set_fuid_feature(zfsvfs);
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1163 if (zfsvfs->z_case == ZFS_CASE_INSENSITIVE) {
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1164 vfs_set_feature(vfsp, VFSFT_DIRENTFLAGS);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1165 vfs_set_feature(vfsp, VFSFT_CASEINSENSITIVE);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1166 vfs_set_feature(vfsp, VFSFT_NOCASESENSITIVE);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1167 } else if (zfsvfs->z_case == ZFS_CASE_MIXED) {
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1168 vfs_set_feature(vfsp, VFSFT_DIRENTFLAGS);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1169 vfs_set_feature(vfsp, VFSFT_CASEINSENSITIVE);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1170 }
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	1171 vfs_set_feature(vfsp, VFSFT_ZEROCOPY_SUPPORTED);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1172
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1173 if (dmu_objset_is_snapshot(zfsvfs->z_os)) {
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1174 uint64_t pval;
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1175
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1176 atime_changed_cb(zfsvfs, B_FALSE);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1177 readonly_changed_cb(zfsvfs, B_TRUE);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1178 if (error = dsl_prop_get_integer(osname, "xattr", &pval, NULL))
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1179 goto out;
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1180 xattr_changed_cb(zfsvfs, pval);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1181 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	1182 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	1183
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1184 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	1185 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	1186 mutex_exit(&zfsvfs->z_os->os_user_ptr_lock);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1187 } else {
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1188 error = zfsvfs_setup(zfsvfs, B_TRUE);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1189 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1190
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1191 if (!zfsvfs->z_issnap)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1192 zfsctl_create(zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1193 out:
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1194 if (error) {
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1195 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	1196 zfsvfs_free(zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1197 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1198 atomic_add_32(&zfs_active_fs_count, 1);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1199 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1200
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1201 return (error);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1202 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1203
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1204 void
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1205 zfs_unregister_callbacks(zfsvfs_t *zfsvfs)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1206 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1207 objset_t *os = zfsvfs->z_os;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1208 struct dsl_dataset *ds;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1209
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1210 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1211 * Unregister properties.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1212 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1213 if (!dmu_objset_is_snapshot(os)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1214 ds = dmu_objset_ds(os);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1215 VERIFY(dsl_prop_unregister(ds, "atime", atime_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1216 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1217
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1218 VERIFY(dsl_prop_unregister(ds, "xattr", xattr_changed_cb,
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1219 zfsvfs) == 0);
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 VERIFY(dsl_prop_unregister(ds, "recordsize", blksz_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1222 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1223
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1224 VERIFY(dsl_prop_unregister(ds, "readonly", readonly_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1225 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1226
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1227 VERIFY(dsl_prop_unregister(ds, "devices", devices_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1228 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1229
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1230 VERIFY(dsl_prop_unregister(ds, "setuid", setuid_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1231 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1232
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1233 VERIFY(dsl_prop_unregister(ds, "exec", exec_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1234 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1235
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1236 VERIFY(dsl_prop_unregister(ds, "snapdir", snapdir_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1237 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1238
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1239 VERIFY(dsl_prop_unregister(ds, "aclinherit",
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1240 acl_inherit_changed_cb, zfsvfs) == 0);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1241
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1242 VERIFY(dsl_prop_unregister(ds, "vscan",
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1243 vscan_changed_cb, zfsvfs) == 0);
1544 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
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1247 /*
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1248 * Convert a decimal digit string to a uint64_t integer.
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1249 */
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1250 static int
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1251 str_to_uint64(char str, uint64_t objnum)
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1252 {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1253 uint64_t num = 0;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1254
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1255 while (*str) {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1256 if (str < '0' \|\| str > '9')
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1257 return (EINVAL);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1258
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1259 num = num10 + str++ - '0';
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1260 }
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1261
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1262 *objnum = num;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1263 return (0);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1264 }
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1265
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1266 /*
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1267 * 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	1268 * "rootpool-name/root-filesystem-object-number'. Convert this
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1269 * string to a dataset name: "rootpool-name/root-filesystem-name".
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1270 */
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1271 static int
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1272 zfs_parse_bootfs(char bpath, char outpath)
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1273 {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1274 char *slashp;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1275 uint64_t objnum;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1276 int error;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1277
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1278 if (bpath == 0 \|\| bpath == '/')
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1279 return (EINVAL);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1280
7656 2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1281 (void) strcpy(outpath, bpath);
2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1282
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1283 slashp = strchr(bpath, '/');
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1284
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1285 /* if no '/', just return the pool name */
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1286 if (slashp == NULL) {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1287 return (0);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1288 }
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1289
7656 2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1290 /* 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	1291 if (str_to_uint64(slashp+1, &objnum)) {
2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1292 return (0);
2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1293 }
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1294
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1295 *slashp = '\0';
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1296 error = dsl_dsobj_to_dsname(bpath, objnum, outpath);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1297 *slashp = '/';
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1298
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1299 return (error);
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
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1302 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1303 * zfs_check_global_label:
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1304 * 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	1305 * 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	1306 *
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1307 * 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	1308 * 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	1309 * dataset must be readonly.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1310 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1311 int
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1312 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	1313 {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1314 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	1315 return (0);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1316 if (strcasecmp(hexsl, ADMIN_HIGH) == 0)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1317 return (0);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1318 if (strcasecmp(hexsl, ADMIN_LOW) == 0) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1319 /* must be readonly */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1320 uint64_t rdonly;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1321
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1322 if (dsl_prop_get_integer(dsname,
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1323 zfs_prop_to_name(ZFS_PROP_READONLY), &rdonly, NULL))
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1324 return (EACCES);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1325 return (rdonly ? 0 : EACCES);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1326 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1327 return (EACCES);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1328 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1329
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1330 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1331 * zfs_mount_label_policy:
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1332 * 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	1333 * 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	1334 * 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	1335 * no label, create one.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1336 *
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1337 * Returns:
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1338 * 0 : access allowed
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1339 * >0 : error code, such as EACCES
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1340 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1341 static int
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1342 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	1343 {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1344 int error, retv;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1345 zone_t *mntzone = NULL;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1346 ts_label_t *mnt_tsl;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1347 bslabel_t *mnt_sl;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1348 bslabel_t ds_sl;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1349 char ds_hexsl[MAXNAMELEN];
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 retv = EACCES; /* assume the worst */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1352
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1353 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1354 * 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	1355 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1356 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	1357 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	1358 if (error)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1359 return (EACCES);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1360
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 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	1363 * 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	1364 * are needed.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1365 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1366 if (!is_system_labeled()) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1367 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	1368 return (0);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1369 return (EACCES);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1370 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1371
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1372 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1373 * 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	1374 * 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	1375 * 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	1376 * 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	1377 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1378 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	1379 if (mntzone->zone_id == GLOBAL_ZONEID) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1380 uint64_t zoned;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1381
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1382 zone_rele(mntzone);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1383
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1384 if (dsl_prop_get_integer(osname,
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1385 zfs_prop_to_name(ZFS_PROP_ZONED), &zoned, NULL))
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1386 return (EACCES);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1387 if (!zoned)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1388 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	1389 else
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1390 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1391 * 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	1392 * 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	1393 * allow this mount into global zone.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1394 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1395 return (0);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1396 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1397
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1398 mnt_tsl = mntzone->zone_slabel;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1399 ASSERT(mnt_tsl != NULL);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1400 label_hold(mnt_tsl);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1401 mnt_sl = label2bslabel(mnt_tsl);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1402
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1403 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	1404 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1405 * 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	1406 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1407 char *str = NULL;
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 if (l_to_str_internal(mnt_sl, &str) == 0 &&
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1410 dsl_prop_set(osname, zfs_prop_to_name(ZFS_PROP_MLSLABEL),
11022 63ab26072e41 PSARC 2009/510 ZFS received properties Tom Erickson <Tom.Erickson@Sun.COM> parents: 10984 diff changeset	1411 ZPROP_SRC_LOCAL, 1, strlen(str) + 1, str) == 0)
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1412 retv = 0;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1413 if (str != NULL)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1414 kmem_free(str, strlen(str) + 1);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1415 } 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	1416 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1417 * 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	1418 * 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	1419 * 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	1420 * Otherwise, access is denied.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1421 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1422 if (blequal(mnt_sl, &ds_sl))
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1423 retv = 0;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1424 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	1425 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	1426 retv = 0;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1427 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1428 }
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 label_rele(mnt_tsl);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1431 zone_rele(mntzone);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1432 return (retv);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1433 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1434
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1435 static int
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1436 zfs_mountroot(vfs_t *vfsp, enum whymountroot why)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1437 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1438 int error = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1439 static int zfsrootdone = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1440 zfsvfs_t *zfsvfs = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1441 znode_t *zp = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1442 vnode_t *vp = NULL;
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1443 char *zfs_bootfs;
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1444 char *zfs_devid;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1445
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1446 ASSERT(vfsp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1447
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1448 /*
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1449 * The filesystem that we mount as root is defined in the
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1450 * boot property "zfs-bootfs" with a format of
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1451 * "poolname/root-dataset-objnum".
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1452 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1453 if (why == ROOT_INIT) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1454 if (zfsrootdone++)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1455 return (EBUSY);
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1456 /*
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1457 * the process of doing a spa_load will require the
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1458 * clock to be set before we could (for example) do
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1459 * something better by looking at the timestamp on
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1460 * an uberblock, so just set it to -1.
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1461 */
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1462 clkset(-1);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1463
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1464 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	1465 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	1466 "bootfs name");
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1467 return (EINVAL);
5648 161f8007cab9 6521412 PSARC 2006/525: new boot sparc setje parents: 5642 diff changeset	1468 }
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1469 zfs_devid = spa_get_bootprop("diskdevid");
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1470 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	1471 if (zfs_devid)
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1472 spa_free_bootprop(zfs_devid);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1473 if (error) {
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1474 spa_free_bootprop(zfs_bootfs);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1475 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	1476 error);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1477 return (error);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1478 }
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1479 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	1480 spa_free_bootprop(zfs_bootfs);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1481 cmn_err(CE_NOTE, "zfs_parse_bootfs: error %d",
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1482 error);
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1483 return (error);
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1484 }
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1485
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1486 spa_free_bootprop(zfs_bootfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1487
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1488 if (error = vfs_lock(vfsp))
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1489 return (error);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1490
7046 361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken ahrens parents: 6689 diff changeset	1491 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	1492 cmn_err(CE_NOTE, "zfs_domount: error %d", error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1493 goto out;
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1494 }
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1495
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1496 zfsvfs = (zfsvfs_t *)vfsp->vfs_data;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1497 ASSERT(zfsvfs);
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1498 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	1499 cmn_err(CE_NOTE, "zfs_zget: error %d", error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1500 goto out;
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1501 }
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1502
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1503 vp = ZTOV(zp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1504 mutex_enter(&vp->v_lock);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1505 vp->v_flag \|= VROOT;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1506 mutex_exit(&vp->v_lock);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1507 rootvp = vp;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1508
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1509 /*
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	1510 * Leave rootvp held. The root file system is never unmounted.
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1511 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1512
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1513 vfs_add((struct vnode *)0, vfsp,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1514 (vfsp->vfs_flag & VFS_RDONLY) ? MS_RDONLY : 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1515 out:
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1516 vfs_unlock(vfsp);
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1517 return (error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1518 } else if (why == ROOT_REMOUNT) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1519 readonly_changed_cb(vfsp->vfs_data, B_FALSE);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1520 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	1521
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1522 /* refresh mount options */
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1523 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	1524 return (zfs_register_callbacks(vfsp));
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1525
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1526 } else if (why == ROOT_UNMOUNT) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1527 zfs_unregister_callbacks((zfsvfs_t *)vfsp->vfs_data);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1528 (void) zfs_sync(vfsp, 0, 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1529 return (0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1530 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1531
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1532 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1533 * if "why" is equal to anything else other than ROOT_INIT,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1534 * ROOT_REMOUNT, or ROOT_UNMOUNT, we do not support it.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1535 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1536 return (ENOTSUP);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1537 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1538
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1539 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1540 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1541 zfs_mount(vfs_t vfsp, vnode_t mvp, struct mounta uap, cred_t cr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1542 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1543 char *osname;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1544 pathname_t spn;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1545 int error = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1546 uio_seg_t fromspace = (uap->flags & MS_SYSSPACE) ?
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1547 UIO_SYSSPACE : UIO_USERSPACE;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1548 int canwrite;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1549
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1550 if (mvp->v_type != VDIR)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1551 return (ENOTDIR);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1552
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1553 mutex_enter(&mvp->v_lock);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1554 if ((uap->flags & MS_REMOUNT) == 0 &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1555 (uap->flags & MS_OVERLAY) == 0 &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1556 (mvp->v_count != 1 \|\| (mvp->v_flag & VROOT))) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1557 mutex_exit(&mvp->v_lock);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1558 return (EBUSY);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1559 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1560 mutex_exit(&mvp->v_lock);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1561
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1562 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1563 * ZFS does not support passing unparsed data in via MS_DATA.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1564 * Users should use the MS_OPTIONSTR interface; this means
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1565 * that all option parsing is already done and the options struct
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1566 * can be interrogated.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1567 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1568 if ((uap->flags & MS_DATA) && uap->datalen > 0)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1569 return (EINVAL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1570
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1571 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1572 * Get the objset name (the "special" mount argument).
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1573 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1574 if (error = pn_get(uap->spec, fromspace, &spn))
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1575 return (error);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1576
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1577 osname = spn.pn_path;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1578
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1579 /*
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1580 * Check for mount privilege?
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1581 *
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1582 * If we don't have privilege then see if
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1583 * we have local permission to allow it
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1584 */
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1585 error = secpolicy_fs_mount(cr, mvp, vfsp);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1586 if (error) {
11824 53128e5db7cf 6863610 ZFS mount can lose correct error return Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11539 diff changeset	1587 if (dsl_deleg_access(osname, ZFS_DELEG_PERM_MOUNT, cr) == 0) {
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1588 vattr_t vattr;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1589
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1590 /*
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1591 * Make sure user is the owner of the mount point
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1592 * or has sufficient privileges.
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1593 */
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1594
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1595 vattr.va_mask = AT_UID;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1596
11824 53128e5db7cf 6863610 ZFS mount can lose correct error return Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11539 diff changeset	1597 if (VOP_GETATTR(mvp, &vattr, 0, cr, NULL)) {
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1598 goto out;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1599 }
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1600
5489 25bfaf065197 6601830 mismatch between zfs_mount() behavior and comment marks parents: 5446 diff changeset	1601 if (secpolicy_vnode_owner(cr, vattr.va_uid) != 0 &&
25bfaf065197 6601830 mismatch between zfs_mount() behavior and comment marks parents: 5446 diff changeset	1602 VOP_ACCESS(mvp, VWRITE, 0, cr, NULL) != 0) {
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1603 goto out;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1604 }
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1605 secpolicy_fs_mount_clearopts(cr, vfsp);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1606 } else {
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1607 goto out;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1608 }
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1609 }
789 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 * Refuse to mount a filesystem if we are in a local zone and the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1613 * dataset is not visible.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1614 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1615 if (!INGLOBALZONE(curproc) &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1616 (!zone_dataset_visible(osname, &canwrite) \|\| !canwrite)) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1617 error = EPERM;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1618 goto out;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1619 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1620
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1621 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	1622 if (error)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1623 goto out;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1624
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1625 /*
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1626 * 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	1627 * 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	1628 */
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1629 if (uap->flags & MS_REMOUNT) {
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1630 /* refresh mount options */
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1631 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	1632 error = zfs_register_callbacks(vfsp);
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1633 goto out;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1634 }
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1635
7046 361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken ahrens parents: 6689 diff changeset	1636 error = zfs_domount(vfsp, osname);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1637
9214 8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	1638 /*
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	1639 * 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	1640 * 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	1641 */
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	1642 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	1643 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	1644
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1645 out:
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1646 pn_free(&spn);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1647 return (error);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1648 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1649
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1650 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1651 zfs_statvfs(vfs_t vfsp, struct statvfs64 statp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1652 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1653 zfsvfs_t *zfsvfs = vfsp->vfs_data;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1654 dev32_t d32;
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1655 uint64_t refdbytes, availbytes, usedobjs, availobjs;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1656
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1657 ZFS_ENTER(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1658
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1659 dmu_objset_space(zfsvfs->z_os,
c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1660 &refdbytes, &availbytes, &usedobjs, &availobjs);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1661
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1662 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1663 * The underlying storage pool actually uses multiple block sizes.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1664 * We report the fragsize as the smallest block size we support,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1665 * and we report our blocksize as the filesystem's maximum blocksize.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1666 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1667 statp->f_frsize = 1UL << SPA_MINBLOCKSHIFT;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1668 statp->f_bsize = zfsvfs->z_max_blksz;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1669
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1670 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1671 * The following report "total" blocks of various kinds in the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1672 * file system, but reported in terms of f_frsize - the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1673 * "fragment" size.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1674 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1675
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1676 statp->f_blocks = (refdbytes + availbytes) >> SPA_MINBLOCKSHIFT;
c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1677 statp->f_bfree = availbytes >> SPA_MINBLOCKSHIFT;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1678 statp->f_bavail = statp->f_bfree; /* no root reservation */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1679
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1680 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1681 * statvfs() should really be called statufs(), because it assumes
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1682 * static metadata. ZFS doesn't preallocate files, so the best
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1683 * we can do is report the max that could possibly fit in f_files,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1684 * and that minus the number actually used in f_ffree.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1685 * For f_ffree, report the smaller of the number of object available
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1686 * and the number of blocks (each object will take at least a block).
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1687 */
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1688 statp->f_ffree = MIN(availobjs, statp->f_bfree);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1689 statp->f_favail = statp->f_ffree; /* no "root reservation" */
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1690 statp->f_files = statp->f_ffree + usedobjs;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1691
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1692 (void) cmpldev(&d32, vfsp->vfs_dev);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1693 statp->f_fsid = d32;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1694
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1695 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1696 * We're a zfs filesystem.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1697 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1698 (void) strcpy(statp->f_basetype, vfssw[vfsp->vfs_fstype].vsw_name);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1699
1123 02a0390fbc7d 6363529 UNIX03/UNIX98 vsx CAPI.os/files/fstatvfs/T.fstatvfs 11 FAILS marks parents: 849 diff changeset	1700 statp->f_flag = vf_to_stf(vfsp->vfs_flag);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1701
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1702 statp->f_namemax = ZFS_MAXNAMELEN;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1703
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1704 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1705 * We have all of 32 characters to stuff a string here.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1706 * Is there anything useful we could/should provide?
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1707 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1708 bzero(statp->f_fstr, sizeof (statp->f_fstr));
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1709
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1710 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1711 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1712 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1713
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1714 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1715 zfs_root(vfs_t vfsp, vnode_t *vpp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1716 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1717 zfsvfs_t *zfsvfs = vfsp->vfs_data;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1718 znode_t *rootzp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1719 int error;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1720
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1721 ZFS_ENTER(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1722
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1723 error = zfs_zget(zfsvfs, zfsvfs->z_root, &rootzp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1724 if (error == 0)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1725 *vpp = ZTOV(rootzp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1726
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1727 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1728 return (error);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1729 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1730
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1731 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1732 * Teardown the zfsvfs::z_os.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1733 *
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1734 * 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	1735 * and 'z_teardown_inactive_lock' held.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1736 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1737 static int
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1738 zfsvfs_teardown(zfsvfs_t *zfsvfs, boolean_t unmounting)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1739 {
5642 504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1740 znode_t *zp;
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1741
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1742 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	1743
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1744 if (!unmounting) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1745 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1746 * 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	1747 * 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	1748 * 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	1749 * 'z_parent' is self referential for non-snapshots.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1750 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1751 (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	1752 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1753
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1754 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1755 * 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	1756 * 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	1757 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1758 if (zfsvfs->z_log) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1759 zil_close(zfsvfs->z_log);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1760 zfsvfs->z_log = NULL;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1761 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1762
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1763 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	1764
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1765 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1766 * 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	1767 * 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	1768 * 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	1769 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1770 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	1771 rw_exit(&zfsvfs->z_teardown_inactive_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1772 rrw_exit(&zfsvfs->z_teardown_lock, FTAG);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1773 return (EIO);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1774 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1775
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1776 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1777 * 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	1778 * 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	1779 * relavent for forced unmount).
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 * Release all holds on dbufs.
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 mutex_enter(&zfsvfs->z_znodes_lock);
5642 504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1784 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	1785 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	1786 if (zp->z_sa_hdl) {
5642 504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1787 ASSERT(ZTOV(zp)->v_count > 0);
504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1788 zfs_znode_dmu_fini(zp);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1789 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1790 mutex_exit(&zfsvfs->z_znodes_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1791
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 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	1794 * 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	1795 * other vops will fail with EIO.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1796 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1797 if (unmounting) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1798 zfsvfs->z_unmounted = B_TRUE;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1799 rrw_exit(&zfsvfs->z_teardown_lock, FTAG);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1800 rw_exit(&zfsvfs->z_teardown_inactive_lock);
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 * 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	1805 * 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	1806 * unregistered and cached data had been evicted before.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1807 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1808 if (zfsvfs->z_os == NULL)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1809 return (0);
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 * Unregister properties.
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 zfs_unregister_callbacks(zfsvfs);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1815
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1816 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1817 * Evict cached data
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1818 */
12722 0cc41f673f9d 6937998 txg_wait_synced() is called when unmounting zfs snapshots Sanjeev Bagewadi <Sanjeev.Bagewadi@Sun.COM> parents: 12699 diff changeset	1819 if (dmu_objset_is_dirty_anywhere(zfsvfs->z_os))
13061 bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1820 if (!(zfsvfs->z_vfs->vfs_flag & VFS_RDONLY))
bda0decf867b PSARC 2010/306 Read-only ZFS pools George Wilson <George.Wilson@Sun.COM> parents: 12722 diff changeset	1821 txg_wait_synced(dmu_objset_pool(zfsvfs->z_os), 0);
12722 0cc41f673f9d 6937998 txg_wait_synced() is called when unmounting zfs snapshots Sanjeev Bagewadi <Sanjeev.Bagewadi@Sun.COM> parents: 12699 diff changeset	1822 (void) dmu_objset_evict_dbufs(zfsvfs->z_os);
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 return (0);
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
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1827 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1828 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1829 zfs_umount(vfs_t vfsp, int fflag, cred_t cr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1830 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1831 zfsvfs_t *zfsvfs = vfsp->vfs_data;
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1832 objset_t *os;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1833 int ret;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1834
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1835 ret = secpolicy_fs_unmount(cr, vfsp);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1836 if (ret) {
11824 53128e5db7cf 6863610 ZFS mount can lose correct error return Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11539 diff changeset	1837 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	1838 ZFS_DELEG_PERM_MOUNT, cr))
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1839 return (ret);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1840 }
1484 d330e98f8ed7 6350001 ZFS lookup performance still much slower than UFS : help tar : help spec SFS ek110237 parents: 1298 diff changeset	1841
4736 f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1842 /*
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1843 * 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	1844 * 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	1845 * 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	1846 * referential for non-snapshots.
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1847 */
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1848 (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	1849
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1850 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1851 * Unmount any snapshots mounted under .zfs before unmounting the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1852 * dataset itself.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1853 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1854 if (zfsvfs->z_ctldir != NULL &&
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1855 (ret = zfsctl_umount_snapshots(vfsp, fflag, cr)) != 0) {
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1856 return (ret);
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1857 }
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1858
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1859 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	1860 /*
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1861 * Check the number of active vnodes in the file system.
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1862 * Our count is maintained in the vfs structure, but the
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1863 * number is off by 1 to indicate a hold on the vfs
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1864 * structure itself.
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1865 *
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1866 * The '.zfs' directory maintains a reference of its
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1867 * own, and any active references underneath are
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1868 * reflected in the vnode count.
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1869 */
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1870 if (zfsvfs->z_ctldir == NULL) {
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1871 if (vfsp->vfs_count > 1)
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1872 return (EBUSY);
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1873 } else {
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1874 if (vfsp->vfs_count > 2 \|\|
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1875 zfsvfs->z_ctldir->v_count > 1)
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1876 return (EBUSY);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1877 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1878 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1879
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1880 vfsp->vfs_flag \|= VFS_UNMOUNTED;
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1881
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1882 VERIFY(zfsvfs_teardown(zfsvfs, B_TRUE) == 0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1883 os = zfsvfs->z_os;
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1884
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1885 /*
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1886 * 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	1887 * attempting to reopen zfsvfs.
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1888 */
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1889 if (os != NULL) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1890 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1891 * Unset the objset user_ptr.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1892 */
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1893 mutex_enter(&os->os_user_ptr_lock);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1894 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	1895 mutex_exit(&os->os_user_ptr_lock);
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1896
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1897 /*
6689 47572a2f5e73 6610506 Eliminate or improve retry logic from callers of dmu_objset_open() maybee parents: 6570 diff changeset	1898 * Finally release the objset
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1899 */
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1900 dmu_objset_disown(os, zfsvfs);
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1901 }
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1902
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1903 /*
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1904 * We can now safely destroy the '.zfs' directory node.
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1905 */
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1906 if (zfsvfs->z_ctldir != NULL)
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1907 zfsctl_destroy(zfsvfs);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1908
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1909 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1910 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1911
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1912 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1913 zfs_vget(vfs_t vfsp, vnode_t vpp, fid_t fidp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1914 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1915 zfsvfs_t *zfsvfs = vfsp->vfs_data;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1916 znode_t *zp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1917 uint64_t object = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1918 uint64_t fid_gen = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1919 uint64_t gen_mask;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1920 uint64_t zp_gen;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1921 int i, err;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1922
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1923 *vpp = NULL;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1924
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1925 ZFS_ENTER(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1926
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1927 if (fidp->fid_len == LONG_FID_LEN) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1928 zfid_long_t zlfid = (zfid_long_t )fidp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1929 uint64_t objsetid = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1930 uint64_t setgen = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1931
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1932 for (i = 0; i < sizeof (zlfid->zf_setid); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1933 objsetid \|= ((uint64_t)zlfid->zf_setid[i]) << (8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1934
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1935 for (i = 0; i < sizeof (zlfid->zf_setgen); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1936 setgen \|= ((uint64_t)zlfid->zf_setgen[i]) << (8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1937
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1938 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1939
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1940 err = zfsctl_lookup_objset(vfsp, objsetid, &zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1941 if (err)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1942 return (EINVAL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1943 ZFS_ENTER(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1944 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1945
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1946 if (fidp->fid_len == SHORT_FID_LEN \|\| fidp->fid_len == LONG_FID_LEN) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1947 zfid_short_t zfid = (zfid_short_t )fidp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1948
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1949 for (i = 0; i < sizeof (zfid->zf_object); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1950 object \|= ((uint64_t)zfid->zf_object[i]) << (8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1951
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1952 for (i = 0; i < sizeof (zfid->zf_gen); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1953 fid_gen \|= ((uint64_t)zfid->zf_gen[i]) << (8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1954 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1955 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1956 return (EINVAL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1957 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1958
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1959 /* A zero fid_gen means we are in the .zfs control directories */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1960 if (fid_gen == 0 &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1961 (object == ZFSCTL_INO_ROOT \|\| object == ZFSCTL_INO_SNAPDIR)) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1962 *vpp = zfsvfs->z_ctldir;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1963 ASSERT(*vpp != NULL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1964 if (object == ZFSCTL_INO_SNAPDIR) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1965 VERIFY(zfsctl_root_lookup(*vpp, "snapshot", vpp, NULL,
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1966 0, NULL, NULL, NULL, NULL, NULL) == 0);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1967 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1968 VN_HOLD(*vpp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1969 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1970 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1971 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1972 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1973
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1974 gen_mask = -1ULL >> (64 - 8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1975
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1976 dprintf("getting %llu [%u mask %llx]\n", object, fid_gen, gen_mask);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1977 if (err = zfs_zget(zfsvfs, object, &zp)) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1978 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1979 return (err);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1980 }
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	1981 (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	1982 sizeof (uint64_t));
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	1983 zp_gen = zp_gen & gen_mask;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1984 if (zp_gen == 0)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1985 zp_gen = 1;
3461 c19b22f347d6 6514331 in-memory delete queue is not needed ahrens parents: 3265 diff changeset	1986 if (zp->z_unlinked \|\| zp_gen != fid_gen) {
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1987 dprintf("znode gen (%u) != fid gen (%u)\n", zp_gen, fid_gen);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1988 VN_RELE(ZTOV(zp));
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1989 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1990 return (EINVAL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1991 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1992
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1993 *vpp = ZTOV(zp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1994 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1995 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1996 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1997
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1998 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1999 * 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	2000 *
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2001 * 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	2002 * 'z_teardown_inactive_lock' write held.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2003 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2004 int
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2005 zfs_suspend_fs(zfsvfs_t *zfsvfs)
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2006 {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2007 int error;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2008
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2009 if ((error = zfsvfs_teardown(zfsvfs, B_FALSE)) != 0)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2010 return (error);
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2011 dmu_objset_disown(zfsvfs->z_os, zfsvfs);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2012
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2013 return (0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2014 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2015
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2016 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2017 * Reopen zfsvfs_t::z_os and release VOPs.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2018 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2019 int
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2020 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	2021 {
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2022 int err, err2;
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2023
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2024 ASSERT(RRW_WRITE_HELD(&zfsvfs->z_teardown_lock));
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2025 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	2026
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2027 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	2028 &zfsvfs->z_os);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2029 if (err) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2030 zfsvfs->z_os = NULL;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2031 } else {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2032 znode_t *zp;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2033 uint64_t sa_obj = 0;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2034
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2035 err2 = zap_lookup(zfsvfs->z_os, MASTER_NODE_OBJ,
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2036 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	2037
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2038 if ((err \|\| err2) && zfsvfs->z_version >= ZPL_VERSION_SA)
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2039 goto bail;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2040
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2041
12493 89ce40422cea 6952177 SA handling of on-disk corruption can be improved Mark Shellenbaum <Mark.Shellenbaum@Oracle.COM> parents: 12296 diff changeset	2042 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	2043 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	2044 goto bail;
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2045
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2046 VERIFY(zfsvfs_setup(zfsvfs, B_FALSE) == 0);
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 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2049 * 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	2050 * 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	2051 * 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	2052 * when they try to use their znode.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2053 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2054 mutex_enter(&zfsvfs->z_znodes_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2055 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	2056 zp = list_next(&zfsvfs->z_all_znodes, zp)) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2057 (void) zfs_rezget(zp);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2058 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2059 mutex_exit(&zfsvfs->z_znodes_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2060
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
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2063 bail:
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2064 /* release the VOPs */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2065 rw_exit(&zfsvfs->z_teardown_inactive_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2066 rrw_exit(&zfsvfs->z_teardown_lock, FTAG);
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 if (err) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2069 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2070 * Since we couldn't reopen zfsvfs::z_os, force
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2071 * unmount this file system.
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 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	2074 (void) dounmount(zfsvfs->z_vfs, MS_FORCE, CRED());
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2075 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2076 return (err);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2077 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2078
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2079 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2080 zfs_freevfs(vfs_t *vfsp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2081 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2082 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	2083
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	2084 /*
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	2085 * 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	2086 * 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	2087 * 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	2088 * 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	2089 */
12095 6596d5361407 6891449 zvol_strategy() check for zv == NULL too late Chris Kirby <Chris.Kirby@sun.com> parents: 12070 diff changeset	2090 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	2091 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	2092
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2093 zfsvfs_free(zfsvfs);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2094
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2095 atomic_add_32(&zfs_active_fs_count, -1);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2096 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2097
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2098 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2099 * VFS_INIT() initialization. Note that there is no VFS_FINI(),
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2100 * so we can't safely do any non-idempotent initialization here.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2101 * Leave that to zfs_init() and zfs_fini(), which are called
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2102 * from the module's _init() and _fini() entry points.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2103 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2104 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2105 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2106 zfs_vfsinit(int fstype, char *name)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2107 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2108 int error;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2109
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2110 zfsfstype = fstype;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2111
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2112 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2113 * Setup vfsops and vnodeops tables.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2114 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2115 error = vfs_setfsops(fstype, zfs_vfsops_template, &zfs_vfsops);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2116 if (error != 0) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2117 cmn_err(CE_WARN, "zfs: bad vfs ops template");
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2118 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2119
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2120 error = zfs_create_op_tables();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2121 if (error) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2122 zfs_remove_op_tables();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2123 cmn_err(CE_WARN, "zfs: bad vnode ops template");
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2124 (void) vfs_freevfsops_by_type(zfsfstype);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2125 return (error);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2126 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2127
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2128 mutex_init(&zfs_dev_mtx, NULL, MUTEX_DEFAULT, NULL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2129
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2130 /*
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	2131 * Unique major number for all zfs mounts.
8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	2132 * If we run out of 32-bit minors, we'll getudev() another major.
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2133 */
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	2134 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	2135 zfs_minor = ZFS_MIN_MINOR;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2136
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2137 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2138 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2139
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2140 void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2141 zfs_init(void)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2142 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2143 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2144 * Initialize .zfs directory structures
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2145 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2146 zfsctl_init();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2147
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2148 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2149 * Initialize znode cache, vnode ops, etc...
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2150 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2151 zfs_znode_init();
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2152
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2153 dmu_objset_register_type(DMU_OST_ZFS, zfs_space_delta_cb);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2154 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2155
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2156 void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2157 zfs_fini(void)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2158 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2159 zfsctl_fini();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2160 zfs_znode_fini();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2161 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2162
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2163 int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2164 zfs_busy(void)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2165 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2166 return (zfs_active_fs_count != 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2167 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2168
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2169 int
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2170 zfs_set_version(zfsvfs_t *zfsvfs, uint64_t newvers)
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2171 {
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2172 int error;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2173 objset_t *os = zfsvfs->z_os;
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2174 dmu_tx_t *tx;
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2175
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2176 if (newvers < ZPL_VERSION_INITIAL \|\| newvers > ZPL_VERSION)
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2177 return (EINVAL);
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2178
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2179 if (newvers < zfsvfs->z_version)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2180 return (EINVAL);
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2181
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2182 if (zfs_spa_version_map(newvers) >
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2183 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	2184 return (ENOTSUP);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2185
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2186 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	2187 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	2188 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	2189 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	2190 ZFS_SA_ATTRS);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2191 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	2192 }
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2193 error = dmu_tx_assign(tx, TXG_WAIT);
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2194 if (error) {
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2195 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	2196 return (error);
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2197 }
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2198
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2199 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	2200 8, 1, &newvers, tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2201
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2202 if (error) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2203 dmu_tx_commit(tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2204 return (error);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2205 }
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2206
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2207 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	2208 uint64_t sa_obj;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2209
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2210 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	2211 SPA_VERSION_SA);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2212 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	2213 DMU_OT_NONE, 0, tx);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2214
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2215 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	2216 ZFS_SA_ATTRS, 8, 1, &sa_obj, tx);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2217 ASSERT3U(error, ==, 0);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2218
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2219 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	2220 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	2221 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2222
12296 7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk. Lin Ling <Lin.Ling@Sun.COM> parents: 12294 diff changeset	2223 spa_history_log_internal(LOG_DS_UPGRADE,
7cf402a7f374 6675946 'zpool status' should show the progress of resilvering for individual disk. Lin Ling <Lin.Ling@Sun.COM> parents: 12294 diff changeset	2224 dmu_objset_spa(os), tx, "oldver=%llu newver=%llu dataset = %llu",
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2225 zfsvfs->z_version, newvers, dmu_objset_id(os));
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2226
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2227 dmu_tx_commit(tx);
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2228
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2229 zfsvfs->z_version = newvers;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2230
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2231 if (zfsvfs->z_version >= ZPL_VERSION_FUID)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2232 zfs_set_fuid_feature(zfsvfs);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2233
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2234 return (0);
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2235 }
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2236
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2237 /*
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2238 * Read a property stored within the master node.
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2239 */
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2240 int
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2241 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	2242 {
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2243 const char *pname;
7184 9508660f9c27 PSARC 2008/223 Pool root file system properties via zpool(1M) timh parents: 7147 diff changeset	2244 int error = ENOENT;
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2245
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2246 /*
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2247 * 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	2248 * version property, we look up a slightly different string.
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2249 */
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2250 if (prop == ZFS_PROP_VERSION)
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2251 pname = ZPL_VERSION_STR;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2252 else
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2253 pname = zfs_prop_to_name(prop);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2254
7184 9508660f9c27 PSARC 2008/223 Pool root file system properties via zpool(1M) timh parents: 7147 diff changeset	2255 if (os != NULL)
9508660f9c27 PSARC 2008/223 Pool root file system properties via zpool(1M) timh parents: 7147 diff changeset	2256 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	2257
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2258 if (error == ENOENT) {
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2259 /* No value set, use the default value */
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2260 switch (prop) {
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2261 case ZFS_PROP_VERSION:
6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2262 *value = ZPL_VERSION;
6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2263 break;
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2264 case ZFS_PROP_NORMALIZE:
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2265 case ZFS_PROP_UTF8ONLY:
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2266 *value = 0;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2267 break;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2268 case ZFS_PROP_CASE:
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2269 *value = ZFS_CASE_SENSITIVE;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2270 break;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2271 default:
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2272 return (error);
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2273 }
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2274 error = 0;
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2275 }
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2276 return (error);
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2277 }
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2278
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2279 static vfsdef_t vfw = {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2280 VFSDEF_VERSION,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2281 MNTTYPE_ZFS,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2282 zfs_vfsinit,
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	2283 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	2284 VSW_XID\|VSW_ZMOUNT,
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2285 &zfs_mntopts
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2286 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2287
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2288 struct modlfs zfs_modlfs = {
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2289 &mod_fsops, "ZFS filesystem version " SPA_VERSION_STRING, &vfw
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2290 };

Mercurial > illumos > illumos-gate

annotate usr/src/uts/common/fs/zfs/zfs_vfsops.c @ 13061:bda0decf867b