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

annotate usr/src/uts/common/fs/zfs/zfs_vfsops.c @ 12095:6596d5361407

6891449 zvol_strategy() check for zv == NULL too late 6911444 rebooting off snapshot: assertion failed: vfsp->vfs_count != 0 (common/fs/vfs.c) 6649967 multiple '/' exist in path will confuse zinject 6935668 zvol_minor_lookup() can return wrong zvol

author	Chris Kirby <Chris.Kirby@sun.com>
date	Thu, 08 Apr 2010 11:02:22 -0600
parents	01261b276236
children	0eb8d6741e37

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
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	25 #include <sys/types.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	26 #include <sys/param.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	27 #include <sys/systm.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	28 #include <sys/sysmacros.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	29 #include <sys/kmem.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	30 #include <sys/pathname.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	31 #include <sys/vnode.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	32 #include <sys/vfs.h>
3898 c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	33 #include <sys/vfs_opreg.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	34 #include <sys/mntent.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	35 #include <sys/mount.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	36 #include <sys/cmn_err.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	37 #include "fs/fs_subr.h"
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	38 #include <sys/zfs_znode.h>
3461 c19b22f347d6 6514331 in-memory delete queue is not needed ahrens parents: 3265 diff changeset	39 #include <sys/zfs_dir.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	40 #include <sys/zil.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	41 #include <sys/fs/zfs.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	42 #include <sys/dmu.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	43 #include <sys/dsl_prop.h>
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	44 #include <sys/dsl_dataset.h>
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	45 #include <sys/dsl_deleg.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	46 #include <sys/spa.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	47 #include <sys/zap.h>
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	48 #include <sys/sa.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	49 #include <sys/varargs.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	50 #include <sys/policy.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	51 #include <sys/atomic.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	52 #include <sys/mkdev.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	53 #include <sys/modctl.h>
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	54 #include <sys/refstr.h>
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	55 #include <sys/zfs_ioctl.h>
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	56 #include <sys/zfs_ctldir.h>
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	57 #include <sys/zfs_fuid.h>
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	58 #include <sys/bootconf.h>
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	59 #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	60 #include <sys/dnlc.h>
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	61 #include <sys/dmu_objset.h>
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	62 #include <sys/spa_boot.h>
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	63 #include <sys/sa.h>
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	64 #include "zfs_comutil.h"
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	65
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	66 int zfsfstype;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	67 vfsops_t *zfs_vfsops = NULL;
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	68 static major_t zfs_major;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	69 static minor_t zfs_minor;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	70 static kmutex_t zfs_dev_mtx;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	71
9234 bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	72 extern int sys_shutdown;
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	73
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	74 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	75 static int zfs_umount(vfs_t vfsp, int fflag, cred_t cr);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	76 static int zfs_mountroot(vfs_t *vfsp, enum whymountroot);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	77 static int zfs_root(vfs_t vfsp, vnode_t *vpp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	78 static int zfs_statvfs(vfs_t vfsp, struct statvfs64 statp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	79 static int zfs_vget(vfs_t vfsp, vnode_t vpp, fid_t fidp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	80 static void zfs_freevfs(vfs_t *vfsp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	81
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	82 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	83 VFSNAME_MOUNT, { .vfs_mount = zfs_mount },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	84 VFSNAME_MOUNTROOT, { .vfs_mountroot = zfs_mountroot },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	85 VFSNAME_UNMOUNT, { .vfs_unmount = zfs_umount },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	86 VFSNAME_ROOT, { .vfs_root = zfs_root },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	87 VFSNAME_STATVFS, { .vfs_statvfs = zfs_statvfs },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	88 VFSNAME_SYNC, { .vfs_sync = zfs_sync },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	89 VFSNAME_VGET, { .vfs_vget = zfs_vget },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	90 VFSNAME_FREEVFS, { .vfs_freevfs = zfs_freevfs },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	91 NULL, NULL
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	92 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	93
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	94 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	95 VFSNAME_FREEVFS, { .vfs_freevfs = zfs_freevfs },
c788126f2a20 PSARC/2007/124 Strong Type-Checking for VFS Operation Registration Mechanism rsb parents: 3461 diff changeset	96 NULL, NULL
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	97 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	98
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	99 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	100 * We need to keep a count of active fs's.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	101 * This is necessary to prevent our module
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	102 * from being unloaded after a umount -f
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	103 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	104 static uint32_t zfs_active_fs_count = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	105
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	106 static char *noatime_cancel[] = { MNTOPT_ATIME, NULL };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	107 static char *atime_cancel[] = { MNTOPT_NOATIME, NULL };
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	108 static char *noxattr_cancel[] = { MNTOPT_XATTR, NULL };
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	109 static char *xattr_cancel[] = { MNTOPT_NOXATTR, NULL };
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	110
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	111 /*
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	112 * 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	113 * by the equivalent property.
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	114 */
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	115 static mntopt_t mntopts[] = {
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	116 { MNTOPT_NOXATTR, noxattr_cancel, NULL, 0, NULL },
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	117 { 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	118 { MNTOPT_NOATIME, noatime_cancel, NULL, 0, NULL },
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	119 { MNTOPT_ATIME, atime_cancel, NULL, 0, NULL }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	120 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	121
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	122 static mntopts_t zfs_mntopts = {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	123 sizeof (mntopts) / sizeof (mntopt_t),
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	124 mntopts
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	125 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	126
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	127 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	128 int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	129 zfs_sync(vfs_t vfsp, short flag, cred_t cr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	130 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	131 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	132 * Data integrity is job one. We don't want a compromised kernel
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	133 * writing to the storage pool, so we never sync during panic.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	134 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	135 if (panicstr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	136 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	137
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	138 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	139 * SYNC_ATTR is used by fsflush() to force old filesystems like UFS
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	140 * to sync metadata, which they would otherwise cache indefinitely.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	141 * Semantically, the only requirement is that the sync be initiated.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	142 * The DMU syncs out txgs frequently, so there's nothing to do.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	143 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	144 if (flag & SYNC_ATTR)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	145 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	146
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	147 if (vfsp != NULL) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	148 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	149 * Sync a specific filesystem.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	150 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	151 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	152 dsl_pool_t *dp;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	153
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	154 ZFS_ENTER(zfsvfs);
9234 bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	155 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	156
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	157 /*
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	158 * 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	159 * 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	160 */
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	161 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	162 ZFS_EXIT(zfsvfs);
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	163 return (0);
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	164 }
bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	165
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	166 if (zfsvfs->z_log != NULL)
2638 4f583dfeae92 6413510 zfs: writing to ZFS filesystem slows down fsync() on other files in the same FS perrin parents: 2474 diff changeset	167 zil_commit(zfsvfs->z_log, UINT64_MAX, 0);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	168 else
9234 bffdc4fc05c4 6792139 recovering from a suspended pool needs some work George Wilson <George.Wilson@Sun.COM> parents: 9214 diff changeset	169 txg_wait_synced(dp, 0);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	170 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	171 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	172 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	173 * Sync all ZFS filesystems. This is what happens when you
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	174 * run sync(1M). Unlike other filesystems, ZFS honors the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	175 * request by waiting for all pools to commit all dirty data.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	176 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	177 spa_sync_allpools();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	178 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	179
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	180 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	181 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	182
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	183 static int
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	184 zfs_create_unique_device(dev_t *dev)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	185 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	186 major_t new_major;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	187
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	188 do {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	189 ASSERT3U(zfs_minor, <=, MAXMIN32);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	190 minor_t start = zfs_minor;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	191 do {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	192 mutex_enter(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	193 if (zfs_minor >= MAXMIN32) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	194 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	195 * If we're still using the real major
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	196 * keep out of /dev/zfs and /dev/zvol minor
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	197 * number space. If we're using a getudev()'ed
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	198 * major number, we can use all of its minors.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	199 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	200 if (zfs_major == ddi_name_to_major(ZFS_DRIVER))
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	201 zfs_minor = ZFS_MIN_MINOR;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	202 else
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	203 zfs_minor = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	204 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	205 zfs_minor++;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	206 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	207 *dev = makedevice(zfs_major, zfs_minor);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	208 mutex_exit(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	209 } while (vfs_devismounted(*dev) && zfs_minor != start);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	210 if (zfs_minor == start) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	211 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	212 * We are using all ~262,000 minor numbers for the
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	213 * current major number. Create a new major number.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	214 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	215 if ((new_major = getudev()) == (major_t)-1) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	216 cmn_err(CE_WARN,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	217 "zfs_mount: Can't get unique major "
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	218 "device number.");
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	219 return (-1);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	220 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	221 mutex_enter(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	222 zfs_major = new_major;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	223 zfs_minor = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	224
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	225 mutex_exit(&zfs_dev_mtx);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	226 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	227 break;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	228 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	229 /* CONSTANTCONDITION */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	230 } while (1);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	231
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	232 return (0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	233 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	234
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	235 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	236 atime_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	237 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	238 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	239
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	240 if (newval == TRUE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	241 zfsvfs->z_atime = TRUE;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	242 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOATIME);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	243 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_ATIME, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	244 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	245 zfsvfs->z_atime = FALSE;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	246 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_ATIME);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	247 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOATIME, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	248 }
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 static void
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	252 xattr_changed_cb(void *arg, uint64_t newval)
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	253 {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	254 zfsvfs_t *zfsvfs = arg;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	255
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	256 if (newval == TRUE) {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	257 /* XXX locking on vfs_flag? */
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	258 zfsvfs->z_vfs->vfs_flag \|= VFS_XATTR;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	259 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOXATTR);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	260 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_XATTR, NULL, 0);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	261 } else {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	262 /* XXX locking on vfs_flag? */
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	263 zfsvfs->z_vfs->vfs_flag &= ~VFS_XATTR;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	264 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_XATTR);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	265 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOXATTR, NULL, 0);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	266 }
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 static void
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	270 blksz_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	271 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	272 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	273
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	274 if (newval < SPA_MINBLOCKSIZE \|\|
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	275 newval > SPA_MAXBLOCKSIZE \|\| !ISP2(newval))
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	276 newval = SPA_MAXBLOCKSIZE;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	277
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	278 zfsvfs->z_max_blksz = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	279 zfsvfs->z_vfs->vfs_bsize = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	280 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	281
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	282 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	283 readonly_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	284 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	285 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	286
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	287 if (newval) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	288 /* XXX locking on vfs_flag? */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	289 zfsvfs->z_vfs->vfs_flag \|= VFS_RDONLY;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	290 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_RW);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	291 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_RO, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	292 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	293 /* XXX locking on vfs_flag? */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	294 zfsvfs->z_vfs->vfs_flag &= ~VFS_RDONLY;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	295 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_RO);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	296 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_RW, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	297 }
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 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	301 devices_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	302 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	303 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	304
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	305 if (newval == FALSE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	306 zfsvfs->z_vfs->vfs_flag \|= VFS_NODEVICES;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	307 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_DEVICES);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	308 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NODEVICES, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	309 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	310 zfsvfs->z_vfs->vfs_flag &= ~VFS_NODEVICES;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	311 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NODEVICES);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	312 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_DEVICES, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	313 }
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 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	317 setuid_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	318 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	319 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	320
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	321 if (newval == FALSE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	322 zfsvfs->z_vfs->vfs_flag \|= VFS_NOSETUID;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	323 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_SETUID);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	324 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOSETUID, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	325 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	326 zfsvfs->z_vfs->vfs_flag &= ~VFS_NOSETUID;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	327 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOSETUID);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	328 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_SETUID, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	329 }
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 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	333 exec_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	334 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	335 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	336
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	337 if (newval == FALSE) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	338 zfsvfs->z_vfs->vfs_flag \|= VFS_NOEXEC;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	339 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_EXEC);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	340 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOEXEC, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	341 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	342 zfsvfs->z_vfs->vfs_flag &= ~VFS_NOEXEC;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	343 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOEXEC);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	344 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_EXEC, NULL, 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	345 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	346 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	347
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	348 /*
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	349 * 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	350 * 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	351 * behavior may be seen from cifs clients
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	352 *
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	353 * 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	354 * 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	355 */
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	356 static void
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	357 nbmand_changed_cb(void *arg, uint64_t newval)
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	358 {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	359 zfsvfs_t *zfsvfs = arg;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	360 if (newval == FALSE) {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	361 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NBMAND);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	362 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NONBMAND, NULL, 0);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	363 } else {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	364 vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NONBMAND);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	365 vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NBMAND, NULL, 0);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	366 }
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
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	369 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	370 snapdir_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	371 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	372 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	373
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	374 zfsvfs->z_show_ctldir = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	375 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	376
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	377 static void
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	378 vscan_changed_cb(void *arg, uint64_t newval)
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	379 {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	380 zfsvfs_t *zfsvfs = arg;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	381
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	382 zfsvfs->z_vscan = newval;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	383 }
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	384
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	385 static void
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	386 acl_mode_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	387 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	388 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	389
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	390 zfsvfs->z_acl_mode = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	391 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	392
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	393 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	394 acl_inherit_changed_cb(void *arg, uint64_t newval)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	395 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	396 zfsvfs_t *zfsvfs = arg;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	397
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	398 zfsvfs->z_acl_inherit = newval;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	399 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	400
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	401 static int
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	402 zfs_register_callbacks(vfs_t *vfsp)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	403 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	404 struct dsl_dataset *ds = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	405 objset_t *os = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	406 zfsvfs_t *zfsvfs = NULL;
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	407 uint64_t nbmand;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	408 int readonly, do_readonly = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	409 int setuid, do_setuid = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	410 int exec, do_exec = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	411 int devices, do_devices = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	412 int xattr, do_xattr = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	413 int atime, do_atime = B_FALSE;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	414 int error = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	415
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	416 ASSERT(vfsp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	417 zfsvfs = vfsp->vfs_data;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	418 ASSERT(zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	419 os = zfsvfs->z_os;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	420
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	421 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	422 * The act of registering our callbacks will destroy any mount
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	423 * options we may have. In order to enable temporary overrides
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	424 * of mount options, we stash away the current values and
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	425 * restore them after we register the callbacks.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	426 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	427 if (vfs_optionisset(vfsp, MNTOPT_RO, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	428 readonly = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	429 do_readonly = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	430 } else if (vfs_optionisset(vfsp, MNTOPT_RW, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	431 readonly = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	432 do_readonly = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	433 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	434 if (vfs_optionisset(vfsp, MNTOPT_NOSUID, 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 setuid = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	437 do_devices = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	438 do_setuid = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	439 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	440 if (vfs_optionisset(vfsp, MNTOPT_NODEVICES, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	441 devices = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	442 do_devices = B_TRUE;
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	443 } else if (vfs_optionisset(vfsp, MNTOPT_DEVICES, NULL)) {
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	444 devices = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	445 do_devices = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	446 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	447
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	448 if (vfs_optionisset(vfsp, MNTOPT_NOSETUID, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	449 setuid = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	450 do_setuid = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	451 } else if (vfs_optionisset(vfsp, MNTOPT_SETUID, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	452 setuid = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	453 do_setuid = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	454 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	455 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	456 if (vfs_optionisset(vfsp, MNTOPT_NOEXEC, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	457 exec = B_FALSE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	458 do_exec = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	459 } else if (vfs_optionisset(vfsp, MNTOPT_EXEC, NULL)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	460 exec = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	461 do_exec = B_TRUE;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	462 }
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	463 if (vfs_optionisset(vfsp, MNTOPT_NOXATTR, NULL)) {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	464 xattr = B_FALSE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	465 do_xattr = B_TRUE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	466 } else if (vfs_optionisset(vfsp, MNTOPT_XATTR, NULL)) {
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	467 xattr = B_TRUE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	468 do_xattr = B_TRUE;
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	469 }
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	470 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	471 atime = B_FALSE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	472 do_atime = B_TRUE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	473 } 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	474 atime = B_TRUE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	475 do_atime = B_TRUE;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	476 }
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	477
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	478 /*
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	479 * 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	480 * mount time.
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	481 *
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	482 * 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	483 * at mount time.
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	484 */
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	485 if (vfs_optionisset(vfsp, MNTOPT_NONBMAND, NULL)) {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	486 nbmand = B_FALSE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	487 } else if (vfs_optionisset(vfsp, MNTOPT_NBMAND, NULL)) {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	488 nbmand = B_TRUE;
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	489 } else {
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	490 char osname[MAXNAMELEN];
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 dmu_objset_name(os, osname);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	493 if (error = dsl_prop_get_integer(osname, "nbmand", &nbmand,
7265 cc18862247da PSARC/2008/483 ZFS clone -o ahrens parents: 7184 diff changeset	494 NULL)) {
cc18862247da PSARC/2008/483 ZFS clone -o ahrens parents: 7184 diff changeset	495 return (error);
cc18862247da PSARC/2008/483 ZFS clone -o ahrens parents: 7184 diff changeset	496 }
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	497 }
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	498
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	499 /*
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	500 * Register property callbacks.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	501 *
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	502 * It would probably be fine to just check for i/o error from
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	503 * the first prop_register(), but I guess I like to go
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	504 * overboard...
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	505 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	506 ds = dmu_objset_ds(os);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	507 error = dsl_prop_register(ds, "atime", atime_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	508 error = error ? error : dsl_prop_register(ds,
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	509 "xattr", xattr_changed_cb, zfsvfs);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	510 error = error ? error : dsl_prop_register(ds,
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	511 "recordsize", blksz_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 "readonly", readonly_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 "devices", devices_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 "setuid", setuid_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	518 error = error ? error : dsl_prop_register(ds,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	519 "exec", exec_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	520 error = error ? error : dsl_prop_register(ds,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	521 "snapdir", snapdir_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	522 error = error ? error : dsl_prop_register(ds,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	523 "aclmode", acl_mode_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	524 error = error ? error : dsl_prop_register(ds,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	525 "aclinherit", acl_inherit_changed_cb, zfsvfs);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	526 error = error ? error : dsl_prop_register(ds,
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	527 "vscan", vscan_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	528 if (error)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	529 goto unregister;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	530
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	531 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	532 * Invoke our callbacks to restore temporary mount options.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	533 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	534 if (do_readonly)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	535 readonly_changed_cb(zfsvfs, readonly);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	536 if (do_setuid)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	537 setuid_changed_cb(zfsvfs, setuid);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	538 if (do_exec)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	539 exec_changed_cb(zfsvfs, exec);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	540 if (do_devices)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	541 devices_changed_cb(zfsvfs, devices);
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	542 if (do_xattr)
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	543 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	544 if (do_atime)
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	545 atime_changed_cb(zfsvfs, atime);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	546
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	547 nbmand_changed_cb(zfsvfs, nbmand);
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	548
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	549 return (0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	550
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	551 unregister:
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	552 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	553 * We may attempt to unregister some callbacks that are not
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	554 * registered, but this is OK; it will simply return ENOMSG,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	555 * which we will ignore.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	556 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	557 (void) dsl_prop_unregister(ds, "atime", atime_changed_cb, zfsvfs);
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	558 (void) dsl_prop_unregister(ds, "xattr", xattr_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	559 (void) dsl_prop_unregister(ds, "recordsize", blksz_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	560 (void) dsl_prop_unregister(ds, "readonly", readonly_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	561 (void) dsl_prop_unregister(ds, "devices", devices_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	562 (void) dsl_prop_unregister(ds, "setuid", setuid_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	563 (void) dsl_prop_unregister(ds, "exec", exec_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	564 (void) dsl_prop_unregister(ds, "snapdir", snapdir_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	565 (void) dsl_prop_unregister(ds, "aclmode", acl_mode_changed_cb, zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	566 (void) dsl_prop_unregister(ds, "aclinherit", acl_inherit_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	567 zfsvfs);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	568 (void) dsl_prop_unregister(ds, "vscan", vscan_changed_cb, zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	569 return (error);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	570
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	571 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	572
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	573 static void
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	574 uidacct(objset_t *os, boolean_t isgroup, uint64_t fuid,
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	575 int64_t delta, dmu_tx_t *tx)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	576 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	577 uint64_t used = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	578 char buf[32];
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	579 int err;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	580 uint64_t obj = 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	581
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	582 if (delta == 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	583 return;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	584
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	585 (void) snprintf(buf, sizeof (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	586 err = zap_lookup(os, obj, buf, 8, 1, &used);
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	587
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	588 ASSERT(err == 0 \|\| err == ENOENT);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	589 /* no underflow/overflow */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	590 ASSERT(delta > 0 \|\| used >= -delta);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	591 ASSERT(delta < 0 \|\| used + delta > used);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	592 used += delta;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	593 if (used == 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	594 err = zap_remove(os, obj, buf, tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	595 else
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	596 err = zap_update(os, obj, buf, 8, 1, &used, tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	597 ASSERT(err == 0);
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	598
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	599 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	600
10407 34e10c4af053 6875779 zfs user accounting callbacks can be simplified Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10342 diff changeset	601 static int
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	602 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	603 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	604 {
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	605 znode_phys_t *znp = data;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	606 int error = 0;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	607
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	608 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	609 return (ENOENT);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	610
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	611 if (bonustype == DMU_OT_ZNODE) {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	612 *userp = znp->zp_uid;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	613 *groupp = znp->zp_gid;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	614 } else {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	615 int hdrsize;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	616
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	617 ASSERT(bonustype == DMU_OT_SA);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	618 hdrsize = sa_hdrsize(data);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	619
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	620 if (hdrsize != 0) {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	621 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	622 SA_UID_OFFSET));
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	623 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	624 SA_GID_OFFSET));
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	625 } else {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	626 error = ENOENT;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	627 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	628 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	629 return (error);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	630 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	631
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	632 static void
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	633 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	634 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	635 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	636 uint64_t fuid;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	637 const char *domain;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	638
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	639 fuid = strtonum(fuidstr, NULL);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	640
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	641 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	642 if (domain)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	643 (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	644 else
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	645 domainbuf[0] = '\0';
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	646 *ridp = FUID_RID(fuid);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	647 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	648
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	649 static uint64_t
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	650 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	651 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	652 switch (type) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	653 case ZFS_PROP_USERUSED:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	654 return (DMU_USERUSED_OBJECT);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	655 case ZFS_PROP_GROUPUSED:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	656 return (DMU_GROUPUSED_OBJECT);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	657 case ZFS_PROP_USERQUOTA:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	658 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	659 case ZFS_PROP_GROUPQUOTA:
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	660 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	661 }
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 int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	666 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	667 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	668 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	669 int error;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	670 zap_cursor_t zc;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	671 zap_attribute_t za;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	672 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	673 uint64_t obj;
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 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	676 return (ENOTSUP);
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 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	679 if (obj == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	680 *bufsizep = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	681 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	682 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	683
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	684 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	685 (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	686 zap_cursor_advance(&zc)) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	687 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	688 *bufsizep)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	689 break;
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 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	692 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	693
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	694 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	695 buf++;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	696 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	697 if (error == ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	698 error = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	699
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	700 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	701 *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	702 *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	703 zap_cursor_fini(&zc);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	704 return (error);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	705 }
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 * 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	709 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	710 static int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	711 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	712 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	713 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	714 uint64_t fuid;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	715 int domainid = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	716
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	717 if (domain && domain[0]) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	718 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	719 if (domainid == -1)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	720 return (ENOENT);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	721 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	722 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	723 (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	724 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	725 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	726
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	727 int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	728 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	729 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	730 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	731 char buf[32];
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	732 int err;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	733 uint64_t obj;
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 *valp = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	736
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	737 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	738 return (ENOTSUP);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	739
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	740 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	741 if (obj == 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	742 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	743
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	744 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	745 if (err)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	746 return (err);
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 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	749 if (err == ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	750 err = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	751 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	752 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	753
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	754 int
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	755 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	756 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	757 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	758 char buf[32];
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	759 int err;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	760 dmu_tx_t *tx;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	761 uint64_t *objp;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	762 boolean_t fuid_dirtied;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	763
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	764 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	765 return (EINVAL);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	766
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	767 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	768 return (ENOTSUP);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	769
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	770 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	771 &zfsvfs->z_groupquota_obj;
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 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	774 if (err)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	775 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	776 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	777
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	778 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	779 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	780 if (*objp == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	781 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	782 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	783 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	784 if (fuid_dirtied)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	785 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	786 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	787 if (err) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	788 dmu_tx_abort(tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	789 return (err);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	790 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	791
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	792 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	793 if (*objp == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	794 *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	795 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	796 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	797 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	798 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	799 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	800
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	801 if (quota == 0) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	802 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	803 if (err == ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	804 err = 0;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	805 } else {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	806 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	807 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	808 ASSERT(err == 0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	809 if (fuid_dirtied)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	810 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	811 dmu_tx_commit(tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	812 return (err);
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
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	815 boolean_t
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	816 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	817 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	818 char buf[32];
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	819 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	820 int err;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	821
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	822 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	823 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	824
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	825 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	826 return (B_FALSE);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	827
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	828 (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	829 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	830 if (err != 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	831 return (B_FALSE);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	832
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	833 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	834 if (err != 0)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	835 return (B_FALSE);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	836 return (used >= quota);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	837 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	838
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	839 boolean_t
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	840 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	841 {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	842 uint64_t fuid;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	843 uint64_t quotaobj;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	844 uid_t id;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	845
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	846 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	847
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	848 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	849
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	850 if (quotaobj == 0 \|\| zfsvfs->z_replay)
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	851 return (B_FALSE);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	852
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	853 if (IS_EPHEMERAL(id)) {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	854 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	855 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	856 &fuid, sizeof (fuid)));
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	857 } else {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	858 fuid = (uint64_t)id;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	859 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	860
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	861 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	862 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	863
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	864 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	865 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	866 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	867 objset_t *os;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	868 zfsvfs_t *zfsvfs;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	869 uint64_t zval;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	870 int i, error;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	871 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	872
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	873 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	874
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	875 /*
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	876 * 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	877 * 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	878 */
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	879 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	880 if (error) {
a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	881 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	882 return (error);
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	883 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	884
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	885 /*
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	886 * 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	887 * 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	888 * 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	889 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	890 zfsvfs->z_vfs = NULL;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	891 zfsvfs->z_parent = zfsvfs;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	892 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	893 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	894 zfsvfs->z_os = os;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	895
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	896 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	897 if (error) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	898 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	899 } 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	900 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	901 (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	902 "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	903 "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	904 (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	905 error = ENOTSUP;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	906 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	907 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	908 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	909 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	910 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	911
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	912 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	913 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	914 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	915
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	916 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	917 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	918 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	919
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	920 /*
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	921 * 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	922 * insensitive.
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	923 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	924 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	925 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	926 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	927
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	928 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	929 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	930
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	931 if (zfsvfs->z_use_sa) {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	932 /* 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	933 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	934 &sa_obj);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	935 if (error)
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	936 return (error);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	937 } else {
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	938 /*
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	939 * 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	940 * 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	941 */
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	942 sa_obj = 0;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	943 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	944
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	945 zfsvfs->z_attr_table = sa_setup(os, sa_obj, zfs_attr_table, ZPL_END);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	946
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	947 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	948 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	949
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	950 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	951 &zfsvfs->z_root);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	952 if (error)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	953 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	954 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	955
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	956 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	957 &zfsvfs->z_unlinkedobj);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	958 if (error)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	959 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	960
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	961 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	962 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	963 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	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 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	968 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	969 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	970 if (error && error != ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	971 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	972
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	973 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	974 &zfsvfs->z_fuid_obj);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	975 if (error && error != ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	976 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	977
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	978 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	979 &zfsvfs->z_shares_dir);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	980 if (error && error != ENOENT)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	981 goto out;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	982
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	983 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	984 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	985 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	986 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	987 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	988 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	989 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	990 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	991 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	992
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	993 *zfvp = zfsvfs;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	994 return (0);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	995
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	996 out:
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	997 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	998 *zfvp = NULL;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	999 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	1000 return (error);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1001 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1002
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1003 static int
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1004 zfsvfs_setup(zfsvfs_t *zfsvfs, boolean_t mounting)
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 int error;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1007
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1008 error = zfs_register_callbacks(zfsvfs->z_vfs);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1009 if (error)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1010 return (error);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1011
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1012 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1013 * 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	1014 */
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1015 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	1016 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	1017 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	1018
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	1019 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	1020 if (zil_disable) {
10685 931790026ac6 6846163 ZFS continues to use faulted logzilla, bringing system to a crawl George Wilson <George.Wilson@Sun.COM> parents: 10407 diff changeset	1021 zil_destroy(zfsvfs->z_log, B_FALSE);
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	1022 zfsvfs->z_log = NULL;
e112194b5b73 6798298 zfs rollback or incremental zfs recv results in intent log being closed Neil Perrin <Neil.Perrin@Sun.COM> parents: 9246 diff changeset	1023 }
e112194b5b73 6798298 zfs rollback or incremental zfs recv results in intent log being closed Neil Perrin <Neil.Perrin@Sun.COM> parents: 9246 diff changeset	1024
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1025 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1026 * 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	1027 * 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	1028 * operations out since we closed the ZIL.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1029 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1030 if (mounting) {
7638 5505e89fa6c8 6741237 zfs hang in txg_wait_open() on boot Neil Perrin <Neil.Perrin@Sun.COM> parents: 7265 diff changeset	1031 boolean_t readonly;
5505e89fa6c8 6741237 zfs hang in txg_wait_open() on boot Neil Perrin <Neil.Perrin@Sun.COM> parents: 7265 diff changeset	1032
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1033 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1034 * 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	1035 * allow replays to succeed.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1036 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1037 readonly = zfsvfs->z_vfs->vfs_flag & VFS_RDONLY;
8227 f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1038 if (readonly != 0)
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1039 zfsvfs->z_vfs->vfs_flag &= ~VFS_RDONLY;
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1040 else
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1041 zfs_unlinked_drain(zfsvfs);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1042
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	1043 if (zfsvfs->z_log) {
8227 f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1044 /*
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1045 * Parse and replay the intent log.
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1046 *
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1047 * Because of ziltest, this must be done after
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1048 * zfs_unlinked_drain(). (Further note: ziltest
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1049 * doesn't use readonly mounts, where
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1050 * zfs_unlinked_drain() isn't called.) This is because
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1051 * ziltest causes spa_sync() to think it's committed,
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1052 * but actually it is not, so the intent log contains
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1053 * many txg's worth of changes.
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1054 *
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1055 * In particular, if object N is in the unlinked set in
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1056 * the last txg to actually sync, then it could be
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1057 * actually freed in a later txg and then reallocated
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1058 * in a yet later txg. This would write a "create
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1059 * object N" record to the intent log. Normally, this
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1060 * would be fine because the spa_sync() would have
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1061 * written out the fact that object N is free, before
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1062 * we could write the "create object N" intent log
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1063 * record.
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1064 *
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1065 * But when we are in ziltest mode, we advance the "open
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1066 * txg" without actually spa_sync()-ing the changes to
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1067 * disk. So we would see that object N is still
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1068 * allocated and in the unlinked set, and there is an
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1069 * intent log record saying to allocate it.
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1070 */
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1071 zfsvfs->z_replay = B_TRUE;
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1072 zil_replay(zfsvfs->z_os, zfsvfs, zfs_replay_vector);
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1073 zfsvfs->z_replay = B_FALSE;
f7d7be9b1f56 6765294 Refactor replay Neil Perrin <Neil.Perrin@Sun.COM> parents: 7757 diff changeset	1074 }
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1075 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	1076 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1077
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1078 return (0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1079 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1080
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1081 void
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1082 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	1083 {
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1084 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	1085 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	1086
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1087 /*
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1088 * 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	1089 * 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	1090 * 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	1091 * 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	1092 */
f660bc44f2e8 6843700 zfs_znode_move() does not ensure valid file system pointer Tom Erickson <Tom.Erickson@Sun.COM> parents: 9749 diff changeset	1093 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	1094 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	1095
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1096 zfs_fuid_destroy(zfsvfs);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1097
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	1098 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	1099 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	1100 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	1101 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	1102 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	1103 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	1104 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	1105 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	1106 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	1107 }
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	1108
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1109 static void
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1110 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	1111 {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1112 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	1113 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	1114 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	1115 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	1116 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	1117 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	1118 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	1119 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	1120 }
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	1121 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	1122 }
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1123
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1124 static int
7046 361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken ahrens parents: 6689 diff changeset	1125 zfs_domount(vfs_t vfsp, char osname)
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1126 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1127 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	1128 uint64_t recordsize, fsid_guid;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1129 int error = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1130 zfsvfs_t *zfsvfs;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1131
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1132 ASSERT(vfsp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1133 ASSERT(osname);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1134
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1135 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	1136 if (error)
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1137 return (error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1138 zfsvfs->z_vfs = vfsp;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1139
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1140 /* Initialize the generic filesystem structure. */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1141 vfsp->vfs_bcount = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1142 vfsp->vfs_data = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1143
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1144 if (zfs_create_unique_device(&mount_dev) == -1) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1145 error = ENODEV;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1146 goto out;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1147 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1148 ASSERT(vfs_devismounted(mount_dev) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1149
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1150 if (error = dsl_prop_get_integer(osname, "recordsize", &recordsize,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1151 NULL))
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1152 goto out;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1153
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1154 vfsp->vfs_dev = mount_dev;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1155 vfsp->vfs_fstype = zfsfstype;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1156 vfsp->vfs_bsize = recordsize;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1157 vfsp->vfs_flag \|= VFS_NOTRUNC;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1158 vfsp->vfs_data = zfsvfs;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1159
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1160 /*
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1161 * 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	1162 * 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	1163 * 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	1164 * 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	1165 * 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	1166 * 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	1167 */
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1168 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	1169 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	1170 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	1171 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	1172 zfsfstype & 0xFF;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1173
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1174 /*
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1175 * Set features for file system.
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1176 */
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	1177 zfs_set_fuid_feature(zfsvfs);
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1178 if (zfsvfs->z_case == ZFS_CASE_INSENSITIVE) {
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1179 vfs_set_feature(vfsp, VFSFT_DIRENTFLAGS);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1180 vfs_set_feature(vfsp, VFSFT_CASEINSENSITIVE);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1181 vfs_set_feature(vfsp, VFSFT_NOCASESENSITIVE);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1182 } else if (zfsvfs->z_case == ZFS_CASE_MIXED) {
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1183 vfs_set_feature(vfsp, VFSFT_DIRENTFLAGS);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1184 vfs_set_feature(vfsp, VFSFT_CASEINSENSITIVE);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	1185 }
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	1186 vfs_set_feature(vfsp, VFSFT_ZEROCOPY_SUPPORTED);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1187
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1188 if (dmu_objset_is_snapshot(zfsvfs->z_os)) {
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1189 uint64_t pval;
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1190
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1191 atime_changed_cb(zfsvfs, B_FALSE);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1192 readonly_changed_cb(zfsvfs, B_TRUE);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1193 if (error = dsl_prop_get_integer(osname, "xattr", &pval, NULL))
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1194 goto out;
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1195 xattr_changed_cb(zfsvfs, pval);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1196 zfsvfs->z_issnap = B_TRUE;
9688 127be1845343 6841321 zfs userspace / zfs get userused@ doesn't work on mounted snapshot Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9396 diff changeset	1197
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1198 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	1199 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	1200 mutex_exit(&zfsvfs->z_os->os_user_ptr_lock);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1201 } else {
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1202 error = zfsvfs_setup(zfsvfs, B_TRUE);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1203 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1204
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1205 if (!zfsvfs->z_issnap)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1206 zfsctl_create(zfsvfs);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1207 out:
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1208 if (error) {
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1209 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	1210 zfsvfs_free(zfsvfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1211 } else {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1212 atomic_add_32(&zfs_active_fs_count, 1);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1213 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1214
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1215 return (error);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1216 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1217
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1218 void
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1219 zfs_unregister_callbacks(zfsvfs_t *zfsvfs)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1220 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1221 objset_t *os = zfsvfs->z_os;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1222 struct dsl_dataset *ds;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1223
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1224 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1225 * Unregister properties.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1226 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1227 if (!dmu_objset_is_snapshot(os)) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1228 ds = dmu_objset_ds(os);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1229 VERIFY(dsl_prop_unregister(ds, "atime", atime_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1230 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1231
3234 28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1232 VERIFY(dsl_prop_unregister(ds, "xattr", xattr_changed_cb,
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1233 zfsvfs) == 0);
28b36f7bbd7e PSARC/2006/638 noxattr ZFS property ck153898 parents: 2885 diff changeset	1234
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1235 VERIFY(dsl_prop_unregister(ds, "recordsize", blksz_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1236 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1237
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1238 VERIFY(dsl_prop_unregister(ds, "readonly", readonly_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1239 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1240
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1241 VERIFY(dsl_prop_unregister(ds, "devices", devices_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1242 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1243
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1244 VERIFY(dsl_prop_unregister(ds, "setuid", setuid_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1245 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1246
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1247 VERIFY(dsl_prop_unregister(ds, "exec", exec_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1248 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1249
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1250 VERIFY(dsl_prop_unregister(ds, "snapdir", snapdir_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1251 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1252
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1253 VERIFY(dsl_prop_unregister(ds, "aclmode", acl_mode_changed_cb,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1254 zfsvfs) == 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1255
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1256 VERIFY(dsl_prop_unregister(ds, "aclinherit",
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1257 acl_inherit_changed_cb, zfsvfs) == 0);
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1258
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1259 VERIFY(dsl_prop_unregister(ds, "vscan",
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1260 vscan_changed_cb, zfsvfs) == 0);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1261 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1262 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1263
3912 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 * Convert a decimal digit string to a uint64_t integer.
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 static int
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1268 str_to_uint64(char str, uint64_t objnum)
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1269 {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1270 uint64_t num = 0;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1271
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1272 while (*str) {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1273 if (str < '0' \|\| str > '9')
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1274 return (EINVAL);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1275
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1276 num = num10 + str++ - '0';
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
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1279 *objnum = num;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1280 return (0);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1281 }
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1282
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1283 /*
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1284 * 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	1285 * "rootpool-name/root-filesystem-object-number'. Convert this
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1286 * string to a dataset name: "rootpool-name/root-filesystem-name".
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1287 */
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1288 static int
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1289 zfs_parse_bootfs(char bpath, char outpath)
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1290 {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1291 char *slashp;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1292 uint64_t objnum;
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1293 int error;
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 if (bpath == 0 \|\| bpath == '/')
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1296 return (EINVAL);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1297
7656 2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1298 (void) strcpy(outpath, bpath);
2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1299
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1300 slashp = strchr(bpath, '/');
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1301
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1302 /* if no '/', just return the pool name */
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1303 if (slashp == NULL) {
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1304 return (0);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1305 }
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1306
7656 2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1307 /* 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	1308 if (str_to_uint64(slashp+1, &objnum)) {
2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1309 return (0);
2621e50fdf4a PSARC 2008/382 Fast Reboot Sherry Moore <Sherry.Moore@Sun.COM> parents: 7638 diff changeset	1310 }
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1311
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1312 *slashp = '\0';
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1313 error = dsl_dsobj_to_dsname(bpath, objnum, outpath);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1314 *slashp = '/';
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1315
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1316 return (error);
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1317 }
f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1318
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1319 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1320 * zfs_check_global_label:
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1321 * 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	1322 * 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	1323 *
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1324 * 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	1325 * 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	1326 * dataset must be readonly.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1327 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1328 int
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1329 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	1330 {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1331 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	1332 return (0);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1333 if (strcasecmp(hexsl, ADMIN_HIGH) == 0)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1334 return (0);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1335 if (strcasecmp(hexsl, ADMIN_LOW) == 0) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1336 /* must be readonly */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1337 uint64_t rdonly;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1338
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1339 if (dsl_prop_get_integer(dsname,
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1340 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	1341 return (EACCES);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1342 return (rdonly ? 0 : EACCES);
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 return (EACCES);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1345 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1346
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1347 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1348 * zfs_mount_label_policy:
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1349 * 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	1350 * 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	1351 * 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	1352 * no label, create one.
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 * Returns:
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1355 * 0 : access allowed
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1356 * >0 : error code, such as EACCES
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1357 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1358 static int
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1359 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	1360 {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1361 int error, retv;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1362 zone_t *mntzone = NULL;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1363 ts_label_t *mnt_tsl;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1364 bslabel_t *mnt_sl;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1365 bslabel_t ds_sl;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1366 char ds_hexsl[MAXNAMELEN];
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1367
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1368 retv = EACCES; /* assume the worst */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1369
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1370 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1371 * 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	1372 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1373 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	1374 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	1375 if (error)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1376 return (EACCES);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1377
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1378 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1379 * 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	1380 * 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	1381 * are needed.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1382 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1383 if (!is_system_labeled()) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1384 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	1385 return (0);
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 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1388
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1389 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1390 * 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	1391 * 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	1392 * 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	1393 * 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	1394 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1395 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	1396 if (mntzone->zone_id == GLOBAL_ZONEID) {
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1397 uint64_t zoned;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1398
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1399 zone_rele(mntzone);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1400
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1401 if (dsl_prop_get_integer(osname,
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1402 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	1403 return (EACCES);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1404 if (!zoned)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1405 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	1406 else
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1407 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1408 * 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	1409 * 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	1410 * allow this mount into global zone.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1411 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1412 return (0);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1413 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1414
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1415 mnt_tsl = mntzone->zone_slabel;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1416 ASSERT(mnt_tsl != NULL);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1417 label_hold(mnt_tsl);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1418 mnt_sl = label2bslabel(mnt_tsl);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1419
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1420 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	1421 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1422 * 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	1423 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1424 char *str = NULL;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1425
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1426 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	1427 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	1428 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	1429 retv = 0;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1430 if (str != NULL)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1431 kmem_free(str, strlen(str) + 1);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1432 } 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	1433 /*
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1434 * 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	1435 * 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	1436 * 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	1437 * Otherwise, access is denied.
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1438 */
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1439 if (blequal(mnt_sl, &ds_sl))
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1440 retv = 0;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1441 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	1442 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	1443 retv = 0;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1444 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1445 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1446
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1447 label_rele(mnt_tsl);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1448 zone_rele(mntzone);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1449 return (retv);
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1450 }
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1451
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1452 static int
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1453 zfs_mountroot(vfs_t *vfsp, enum whymountroot why)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1454 {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1455 int error = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1456 static int zfsrootdone = 0;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1457 zfsvfs_t *zfsvfs = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1458 znode_t *zp = NULL;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1459 vnode_t *vp = NULL;
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1460 char *zfs_bootfs;
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1461 char *zfs_devid;
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1462
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1463 ASSERT(vfsp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1464
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1465 /*
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1466 * The filesystem that we mount as root is defined in the
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1467 * boot property "zfs-bootfs" with a format of
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1468 * "poolname/root-dataset-objnum".
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1469 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1470 if (why == ROOT_INIT) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1471 if (zfsrootdone++)
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1472 return (EBUSY);
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1473 /*
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1474 * the process of doing a spa_load will require the
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1475 * clock to be set before we could (for example) do
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1476 * something better by looking at the timestamp on
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1477 * an uberblock, so just set it to -1.
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1478 */
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1479 clkset(-1);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1480
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1481 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	1482 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	1483 "bootfs name");
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1484 return (EINVAL);
5648 161f8007cab9 6521412 PSARC 2006/525: new boot sparc setje parents: 5642 diff changeset	1485 }
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1486 zfs_devid = spa_get_bootprop("diskdevid");
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1487 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	1488 if (zfs_devid)
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1489 spa_free_bootprop(zfs_devid);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1490 if (error) {
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1491 spa_free_bootprop(zfs_bootfs);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1492 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	1493 error);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1494 return (error);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1495 }
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1496 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	1497 spa_free_bootprop(zfs_bootfs);
1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1498 cmn_err(CE_NOTE, "zfs_parse_bootfs: error %d",
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1499 error);
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1500 return (error);
437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1501 }
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1502
7147 1e1d75c88283 6704717 ZFS mirrored root doesn't live up to expectations taylor parents: 7046 diff changeset	1503 spa_free_bootprop(zfs_bootfs);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1504
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1505 if (error = vfs_lock(vfsp))
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1506 return (error);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1507
7046 361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken ahrens parents: 6689 diff changeset	1508 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	1509 cmn_err(CE_NOTE, "zfs_domount: error %d", error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1510 goto out;
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1511 }
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1512
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1513 zfsvfs = (zfsvfs_t *)vfsp->vfs_data;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1514 ASSERT(zfsvfs);
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1515 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	1516 cmn_err(CE_NOTE, "zfs_zget: error %d", error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1517 goto out;
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1518 }
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1519
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1520 vp = ZTOV(zp);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1521 mutex_enter(&vp->v_lock);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1522 vp->v_flag \|= VROOT;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1523 mutex_exit(&vp->v_lock);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1524 rootvp = vp;
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1525
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1526 /*
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	1527 * Leave rootvp held. The root file system is never unmounted.
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1528 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1529
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1530 vfs_add((struct vnode *)0, vfsp,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1531 (vfsp->vfs_flag & VFS_RDONLY) ? MS_RDONLY : 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1532 out:
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1533 vfs_unlock(vfsp);
6423 437422a29d3a PSARC 2006/370 ZFS Boot Support gw25295 parents: 6404 diff changeset	1534 return (error);
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1535 } else if (why == ROOT_REMOUNT) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1536 readonly_changed_cb(vfsp->vfs_data, B_FALSE);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1537 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	1538
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1539 /* refresh mount options */
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1540 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	1541 return (zfs_register_callbacks(vfsp));
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1542
1544 938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1543 } else if (why == ROOT_UNMOUNT) {
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1544 zfs_unregister_callbacks((zfsvfs_t *)vfsp->vfs_data);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1545 (void) zfs_sync(vfsp, 0, 0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1546 return (0);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1547 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1548
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1549 /*
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1550 * if "why" is equal to anything else other than ROOT_INIT,
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1551 * ROOT_REMOUNT, or ROOT_UNMOUNT, we do not support it.
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1552 */
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1553 return (ENOTSUP);
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1554 }
938876158511 PSARC 2006/077 zpool clear eschrock parents: 1488 diff changeset	1555
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1556 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1557 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1558 zfs_mount(vfs_t vfsp, vnode_t mvp, struct mounta uap, cred_t cr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1559 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1560 char *osname;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1561 pathname_t spn;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1562 int error = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1563 uio_seg_t fromspace = (uap->flags & MS_SYSSPACE) ?
3912 f6891a60bd72 PSARC 2007/083 ZFS bootable datasets lling parents: 3898 diff changeset	1564 UIO_SYSSPACE : UIO_USERSPACE;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1565 int canwrite;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1566
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1567 if (mvp->v_type != VDIR)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1568 return (ENOTDIR);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1569
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1570 mutex_enter(&mvp->v_lock);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1571 if ((uap->flags & MS_REMOUNT) == 0 &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1572 (uap->flags & MS_OVERLAY) == 0 &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1573 (mvp->v_count != 1 \|\| (mvp->v_flag & VROOT))) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1574 mutex_exit(&mvp->v_lock);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1575 return (EBUSY);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1576 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1577 mutex_exit(&mvp->v_lock);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1578
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1579 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1580 * ZFS does not support passing unparsed data in via MS_DATA.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1581 * Users should use the MS_OPTIONSTR interface; this means
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1582 * that all option parsing is already done and the options struct
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1583 * can be interrogated.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1584 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1585 if ((uap->flags & MS_DATA) && uap->datalen > 0)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1586 return (EINVAL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1587
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1588 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1589 * Get the objset name (the "special" mount argument).
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1590 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1591 if (error = pn_get(uap->spec, fromspace, &spn))
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1592 return (error);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1593
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1594 osname = spn.pn_path;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1595
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1596 /*
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1597 * Check for mount privilege?
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1598 *
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1599 * If we don't have privilege then see if
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1600 * we have local permission to allow it
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1601 */
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1602 error = secpolicy_fs_mount(cr, mvp, vfsp);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1603 if (error) {
11824 53128e5db7cf 6863610 ZFS mount can lose correct error return Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11539 diff changeset	1604 if (dsl_deleg_access(osname, ZFS_DELEG_PERM_MOUNT, cr) == 0) {
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1605 vattr_t vattr;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1606
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1607 /*
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1608 * Make sure user is the owner of the mount point
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1609 * or has sufficient privileges.
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1610 */
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1611
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1612 vattr.va_mask = AT_UID;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1613
11824 53128e5db7cf 6863610 ZFS mount can lose correct error return Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11539 diff changeset	1614 if (VOP_GETATTR(mvp, &vattr, 0, cr, NULL)) {
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1615 goto out;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1616 }
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1617
5489 25bfaf065197 6601830 mismatch between zfs_mount() behavior and comment marks parents: 5446 diff changeset	1618 if (secpolicy_vnode_owner(cr, vattr.va_uid) != 0 &&
25bfaf065197 6601830 mismatch between zfs_mount() behavior and comment marks parents: 5446 diff changeset	1619 VOP_ACCESS(mvp, VWRITE, 0, cr, NULL) != 0) {
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1620 goto out;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1621 }
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1622 secpolicy_fs_mount_clearopts(cr, vfsp);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1623 } else {
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1624 goto out;
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1625 }
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1626 }
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1627
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1628 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1629 * Refuse to mount a filesystem if we are in a local zone and the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1630 * dataset is not visible.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1631 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1632 if (!INGLOBALZONE(curproc) &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1633 (!zone_dataset_visible(osname, &canwrite) \|\| !canwrite)) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1634 error = EPERM;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1635 goto out;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1636 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1637
10972 807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1638 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	1639 if (error)
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1640 goto out;
807794d41b3a PSARC 2009/348 Security Labels for ZFS Ric Aleshire <Ric.Aleshire@Sun.COM> parents: 10793 diff changeset	1641
4596 3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1642 /*
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1643 * 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	1644 * 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	1645 */
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1646 if (uap->flags & MS_REMOUNT) {
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1647 /* refresh mount options */
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1648 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	1649 error = zfs_register_callbacks(vfsp);
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1650 goto out;
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1651 }
3aa6e3b5dfca 6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output lling parents: 4577 diff changeset	1652
7046 361307ae060d 6343667 scrub/resilver has to start over when a snapshot is taken ahrens parents: 6689 diff changeset	1653 error = zfs_domount(vfsp, osname);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1654
9214 8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	1655 /*
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	1656 * 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	1657 * 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	1658 */
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	1659 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	1660 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	1661
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1662 out:
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1663 pn_free(&spn);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1664 return (error);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1665 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1666
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1667 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1668 zfs_statvfs(vfs_t vfsp, struct statvfs64 statp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1669 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1670 zfsvfs_t *zfsvfs = vfsp->vfs_data;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1671 dev32_t d32;
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1672 uint64_t refdbytes, availbytes, usedobjs, availobjs;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1673
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1674 ZFS_ENTER(zfsvfs);
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 dmu_objset_space(zfsvfs->z_os,
c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1677 &refdbytes, &availbytes, &usedobjs, &availobjs);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1678
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1679 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1680 * The underlying storage pool actually uses multiple block sizes.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1681 * We report the fragsize as the smallest block size we support,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1682 * and we report our blocksize as the filesystem's maximum blocksize.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1683 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1684 statp->f_frsize = 1UL << SPA_MINBLOCKSHIFT;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1685 statp->f_bsize = zfsvfs->z_max_blksz;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1686
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1687 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1688 * The following report "total" blocks of various kinds in the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1689 * file system, but reported in terms of f_frsize - the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1690 * "fragment" size.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1691 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1692
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1693 statp->f_blocks = (refdbytes + availbytes) >> SPA_MINBLOCKSHIFT;
c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1694 statp->f_bfree = availbytes >> SPA_MINBLOCKSHIFT;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1695 statp->f_bavail = statp->f_bfree; /* no root reservation */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1696
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1697 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1698 * statvfs() should really be called statufs(), because it assumes
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1699 * static metadata. ZFS doesn't preallocate files, so the best
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1700 * we can do is report the max that could possibly fit in f_files,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1701 * and that minus the number actually used in f_ffree.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1702 * For f_ffree, report the smaller of the number of object available
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1703 * and the number of blocks (each object will take at least a block).
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1704 */
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1705 statp->f_ffree = MIN(availobjs, statp->f_bfree);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1706 statp->f_favail = statp->f_ffree; /* no "root reservation" */
2885 c0259887ebbc 6460059 zfs destroy <snapshot> leaves behind kruft ahrens parents: 2676 diff changeset	1707 statp->f_files = statp->f_ffree + usedobjs;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1708
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1709 (void) cmpldev(&d32, vfsp->vfs_dev);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1710 statp->f_fsid = d32;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1711
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1712 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1713 * We're a zfs filesystem.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1714 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1715 (void) strcpy(statp->f_basetype, vfssw[vfsp->vfs_fstype].vsw_name);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1716
1123 02a0390fbc7d 6363529 UNIX03/UNIX98 vsx CAPI.os/files/fstatvfs/T.fstatvfs 11 FAILS marks parents: 849 diff changeset	1717 statp->f_flag = vf_to_stf(vfsp->vfs_flag);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1718
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1719 statp->f_namemax = ZFS_MAXNAMELEN;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1720
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1721 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1722 * We have all of 32 characters to stuff a string here.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1723 * Is there anything useful we could/should provide?
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1724 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1725 bzero(statp->f_fstr, sizeof (statp->f_fstr));
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 (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1729 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1730
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1731 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1732 zfs_root(vfs_t vfsp, vnode_t *vpp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1733 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1734 zfsvfs_t *zfsvfs = vfsp->vfs_data;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1735 znode_t *rootzp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1736 int error;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1737
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1738 ZFS_ENTER(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1739
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1740 error = zfs_zget(zfsvfs, zfsvfs->z_root, &rootzp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1741 if (error == 0)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1742 *vpp = ZTOV(rootzp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1743
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1744 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1745 return (error);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1746 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1747
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1748 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1749 * Teardown the zfsvfs::z_os.
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 * 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	1752 * and 'z_teardown_inactive_lock' held.
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 static int
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1755 zfsvfs_teardown(zfsvfs_t *zfsvfs, boolean_t unmounting)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1756 {
5642 504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1757 znode_t *zp;
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1758
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1759 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	1760
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1761 if (!unmounting) {
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 * 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	1764 * 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	1765 * 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	1766 * 'z_parent' is self referential for non-snapshots.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1767 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1768 (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	1769 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1770
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1771 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1772 * 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	1773 * 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	1774 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1775 if (zfsvfs->z_log) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1776 zil_close(zfsvfs->z_log);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1777 zfsvfs->z_log = NULL;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1778 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1779
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1780 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	1781
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 * 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	1784 * 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	1785 * 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	1786 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1787 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	1788 rw_exit(&zfsvfs->z_teardown_inactive_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1789 rrw_exit(&zfsvfs->z_teardown_lock, FTAG);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1790 return (EIO);
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 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1794 * 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	1795 * 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	1796 * relavent for forced unmount).
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1797 *
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1798 * Release all holds on dbufs.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1799 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1800 mutex_enter(&zfsvfs->z_znodes_lock);
5642 504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1801 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	1802 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	1803 if (zp->z_sa_hdl) {
5642 504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1804 ASSERT(ZTOV(zp)->v_count > 0);
504c84876fda 6513209 Destroying pools under stress caused a hang in arc_flush maybee parents: 5498 diff changeset	1805 zfs_znode_dmu_fini(zp);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1806 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1807 mutex_exit(&zfsvfs->z_znodes_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1808
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1809 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1810 * 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	1811 * 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	1812 * other vops will fail with EIO.
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 if (unmounting) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1815 zfsvfs->z_unmounted = B_TRUE;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1816 rrw_exit(&zfsvfs->z_teardown_lock, FTAG);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1817 rw_exit(&zfsvfs->z_teardown_inactive_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1818 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1819
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1820 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1821 * 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	1822 * 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	1823 * unregistered and cached data had been evicted before.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1824 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1825 if (zfsvfs->z_os == NULL)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1826 return (0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1827
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1828 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1829 * Unregister properties.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1830 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1831 zfs_unregister_callbacks(zfsvfs);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1832
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1833 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1834 * Evict cached data
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1835 */
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	1836 if (dmu_objset_evict_dbufs(zfsvfs->z_os)) {
5429 f0cb3b884d95 6597432 cannot rename filesystem and return busy at the first time maybee parents: 5331 diff changeset	1837 txg_wait_synced(dmu_objset_pool(zfsvfs->z_os), 0);
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	1838 (void) dmu_objset_evict_dbufs(zfsvfs->z_os);
5429 f0cb3b884d95 6597432 cannot rename filesystem and return busy at the first time maybee parents: 5331 diff changeset	1839 }
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1840
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1841 return (0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1842 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1843
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1844 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1845 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1846 zfs_umount(vfs_t vfsp, int fflag, cred_t cr)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1847 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1848 zfsvfs_t *zfsvfs = vfsp->vfs_data;
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1849 objset_t *os;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1850 int ret;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1851
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1852 ret = secpolicy_fs_unmount(cr, vfsp);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1853 if (ret) {
11824 53128e5db7cf 6863610 ZFS mount can lose correct error return Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11539 diff changeset	1854 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	1855 ZFS_DELEG_PERM_MOUNT, cr))
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1856 return (ret);
12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1857 }
1484 d330e98f8ed7 6350001 ZFS lookup performance still much slower than UFS : help tar : help spec SFS ek110237 parents: 1298 diff changeset	1858
4736 f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1859 /*
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1860 * 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	1861 * 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	1862 * 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	1863 * referential for non-snapshots.
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1864 */
f8714efb3e12 6509628 unmount of a snapshot (from 'zfs destroy') is slow ek110237 parents: 4614 diff changeset	1865 (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	1866
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1867 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1868 * Unmount any snapshots mounted under .zfs before unmounting the
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1869 * dataset itself.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1870 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1871 if (zfsvfs->z_ctldir != NULL &&
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1872 (ret = zfsctl_umount_snapshots(vfsp, fflag, cr)) != 0) {
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1873 return (ret);
4543 12bb2876a62e PSARC/2006/465 ZFS Delegated Administration marks parents: 4480 diff changeset	1874 }
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1875
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1876 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	1877 /*
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1878 * Check the number of active vnodes in the file system.
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1879 * Our count is maintained in the vfs structure, but the
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1880 * number is off by 1 to indicate a hold on the vfs
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1881 * structure itself.
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1882 *
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1883 * The '.zfs' directory maintains a reference of its
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1884 * own, and any active references underneath are
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1885 * reflected in the vnode count.
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1886 */
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1887 if (zfsvfs->z_ctldir == NULL) {
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1888 if (vfsp->vfs_count > 1)
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1889 return (EBUSY);
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1890 } else {
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1891 if (vfsp->vfs_count > 2 \|\|
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1892 zfsvfs->z_ctldir->v_count > 1)
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1893 return (EBUSY);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1894 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1895 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1896
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1897 vfsp->vfs_flag \|= VFS_UNMOUNTED;
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1898
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1899 VERIFY(zfsvfs_teardown(zfsvfs, B_TRUE) == 0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1900 os = zfsvfs->z_os;
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 /*
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1903 * 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	1904 * attempting to reopen zfsvfs.
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1905 */
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1906 if (os != NULL) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1907 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1908 * Unset the objset user_ptr.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1909 */
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1910 mutex_enter(&os->os_user_ptr_lock);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1911 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	1912 mutex_exit(&os->os_user_ptr_lock);
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1913
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1914 /*
6689 47572a2f5e73 6610506 Eliminate or improve retry logic from callers of dmu_objset_open() maybee parents: 6570 diff changeset	1915 * Finally release the objset
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	1916 */
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	1917 dmu_objset_disown(os, zfsvfs);
4787 602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1918 }
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1919
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1920 /*
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1921 * We can now safely destroy the '.zfs' directory node.
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1922 */
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1923 if (zfsvfs->z_ctldir != NULL)
602d3f97842c 6393351 unique_* could be improved ahrens parents: 4736 diff changeset	1924 zfsctl_destroy(zfsvfs);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1925
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1926 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1927 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1928
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1929 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1930 zfs_vget(vfs_t vfsp, vnode_t vpp, fid_t fidp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1931 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1932 zfsvfs_t *zfsvfs = vfsp->vfs_data;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1933 znode_t *zp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1934 uint64_t object = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1935 uint64_t fid_gen = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1936 uint64_t gen_mask;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1937 uint64_t zp_gen;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1938 int i, err;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1939
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1940 *vpp = NULL;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1941
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1942 ZFS_ENTER(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1943
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1944 if (fidp->fid_len == LONG_FID_LEN) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1945 zfid_long_t zlfid = (zfid_long_t )fidp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1946 uint64_t objsetid = 0;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1947 uint64_t setgen = 0;
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 (zlfid->zf_setid); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1950 objsetid \|= ((uint64_t)zlfid->zf_setid[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 (zlfid->zf_setgen); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1953 setgen \|= ((uint64_t)zlfid->zf_setgen[i]) << (8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1954
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1955 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1956
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1957 err = zfsctl_lookup_objset(vfsp, objsetid, &zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1958 if (err)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1959 return (EINVAL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1960 ZFS_ENTER(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1961 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1962
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1963 if (fidp->fid_len == SHORT_FID_LEN \|\| fidp->fid_len == LONG_FID_LEN) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1964 zfid_short_t zfid = (zfid_short_t )fidp;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1965
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1966 for (i = 0; i < sizeof (zfid->zf_object); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1967 object \|= ((uint64_t)zfid->zf_object[i]) << (8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1968
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1969 for (i = 0; i < sizeof (zfid->zf_gen); i++)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1970 fid_gen \|= ((uint64_t)zfid->zf_gen[i]) << (8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1971 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1972 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1973 return (EINVAL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1974 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1975
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1976 /* A zero fid_gen means we are in the .zfs control directories */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1977 if (fid_gen == 0 &&
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1978 (object == ZFSCTL_INO_ROOT \|\| object == ZFSCTL_INO_SNAPDIR)) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1979 *vpp = zfsvfs->z_ctldir;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1980 ASSERT(*vpp != NULL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1981 if (object == ZFSCTL_INO_SNAPDIR) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1982 VERIFY(zfsctl_root_lookup(*vpp, "snapshot", vpp, NULL,
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	1983 0, NULL, NULL, NULL, NULL, NULL) == 0);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1984 } else {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1985 VN_HOLD(*vpp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1986 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1987 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1988 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1989 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1990
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1991 gen_mask = -1ULL >> (64 - 8 * i);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1992
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1993 dprintf("getting %llu [%u mask %llx]\n", object, fid_gen, gen_mask);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1994 if (err = zfs_zget(zfsvfs, object, &zp)) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1995 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1996 return (err);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	1997 }
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	1998 (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	1999 sizeof (uint64_t));
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2000 zp_gen = zp_gen & gen_mask;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2001 if (zp_gen == 0)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2002 zp_gen = 1;
3461 c19b22f347d6 6514331 in-memory delete queue is not needed ahrens parents: 3265 diff changeset	2003 if (zp->z_unlinked \|\| zp_gen != fid_gen) {
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2004 dprintf("znode gen (%u) != fid gen (%u)\n", zp_gen, fid_gen);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2005 VN_RELE(ZTOV(zp));
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2006 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2007 return (EINVAL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2008 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2009
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2010 *vpp = ZTOV(zp);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2011 ZFS_EXIT(zfsvfs);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2012 return (0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2013 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2014
5326 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 * 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	2017 *
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2018 * 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	2019 * 'z_teardown_inactive_lock' write held.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2020 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2021 int
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2022 zfs_suspend_fs(zfsvfs_t *zfsvfs)
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 int error;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2025
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2026 if ((error = zfsvfs_teardown(zfsvfs, B_FALSE)) != 0)
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2027 return (error);
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2028 dmu_objset_disown(zfsvfs->z_os, zfsvfs);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2029
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2030 return (0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2031 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2032
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2033 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2034 * Reopen zfsvfs_t::z_os and release VOPs.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2035 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2036 int
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2037 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	2038 {
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2039 int err, err2;
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2040
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2041 ASSERT(RRW_WRITE_HELD(&zfsvfs->z_teardown_lock));
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2042 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	2043
10298 a0d52501437c 6860996 %temporary clones are not automatically destroyed on error Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 10204 diff changeset	2044 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	2045 &zfsvfs->z_os);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2046 if (err) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2047 zfsvfs->z_os = NULL;
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2048 } else {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2049 znode_t *zp;
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2050 uint64_t sa_obj = 0;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2051
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2052 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	2053 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	2054
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2055 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	2056 goto bail;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2057
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2058
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2059 zfsvfs->z_attr_table = sa_setup(zfsvfs->z_os, sa_obj,
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2060 zfs_attr_table, ZPL_END);
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2061
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2062 VERIFY(zfsvfs_setup(zfsvfs, B_FALSE) == 0);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2063
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2064 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2065 * 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	2066 * 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	2067 * 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	2068 * when they try to use their znode.
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 mutex_enter(&zfsvfs->z_znodes_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2071 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	2072 zp = list_next(&zfsvfs->z_all_znodes, zp)) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2073 (void) zfs_rezget(zp);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2074 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2075 mutex_exit(&zfsvfs->z_znodes_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2076
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
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2079 bail:
5326 6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2080 /* release the VOPs */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2081 rw_exit(&zfsvfs->z_teardown_inactive_lock);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2082 rrw_exit(&zfsvfs->z_teardown_lock, FTAG);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2083
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2084 if (err) {
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2085 /*
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2086 * 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	2087 * unmount this file system.
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2088 */
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2089 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	2090 (void) dounmount(zfsvfs->z_vfs, MS_FORCE, CRED());
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2091 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2092 return (err);
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2093 }
6752aa2bd5bc 6425096 want online 'zfs recv' (read only and read/write) ek110237 parents: 5147 diff changeset	2094
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2095 static void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2096 zfs_freevfs(vfs_t *vfsp)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2097 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2098 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	2099
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	2100 /*
8d350e5d04aa 6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy Chris Kirby <chris.kirby@sun.com> parents: 9179 diff changeset	2101 * 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	2102 * 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	2103 * 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	2104 * 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	2105 */
12095 6596d5361407 6891449 zvol_strategy() check for zv == NULL too late Chris Kirby <Chris.Kirby@sun.com> parents: 12070 diff changeset	2106 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	2107 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	2108
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2109 zfsvfs_free(zfsvfs);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2110
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2111 atomic_add_32(&zfs_active_fs_count, -1);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2112 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2113
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2114 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2115 * VFS_INIT() initialization. Note that there is no VFS_FINI(),
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2116 * so we can't safely do any non-idempotent initialization here.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2117 * Leave that to zfs_init() and zfs_fini(), which are called
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2118 * from the module's _init() and _fini() entry points.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2119 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2120 /ARGSUSED/
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2121 static int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2122 zfs_vfsinit(int fstype, char *name)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2123 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2124 int error;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2125
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2126 zfsfstype = fstype;
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2127
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2128 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2129 * Setup vfsops and vnodeops tables.
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2130 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2131 error = vfs_setfsops(fstype, zfs_vfsops_template, &zfs_vfsops);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2132 if (error != 0) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2133 cmn_err(CE_WARN, "zfs: bad vfs ops template");
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2134 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2135
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2136 error = zfs_create_op_tables();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2137 if (error) {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2138 zfs_remove_op_tables();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2139 cmn_err(CE_WARN, "zfs: bad vnode ops template");
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2140 (void) vfs_freevfsops_by_type(zfsfstype);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2141 return (error);
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 mutex_init(&zfs_dev_mtx, NULL, MUTEX_DEFAULT, NULL);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2145
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2146 /*
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	2147 * Unique major number for all zfs mounts.
8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	2148 * If we run out of 32-bit minors, we'll getudev() another major.
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2149 */
849 8d799fd81a9b 6345023 /dev/zfs fails to open once ZFS module is unloaded bonwick parents: 789 diff changeset	2150 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	2151 zfs_minor = ZFS_MIN_MINOR;
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2152
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2153 return (0);
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_init(void)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2158 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2159 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2160 * Initialize .zfs directory structures
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2161 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2162 zfsctl_init();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2163
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2164 /*
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2165 * Initialize znode cache, vnode ops, etc...
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2166 */
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2167 zfs_znode_init();
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2168
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2169 dmu_objset_register_type(DMU_OST_ZFS, zfs_space_delta_cb);
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2170 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2171
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2172 void
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2173 zfs_fini(void)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2174 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2175 zfsctl_fini();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2176 zfs_znode_fini();
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2177 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2178
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2179 int
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2180 zfs_busy(void)
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2181 {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2182 return (zfs_active_fs_count != 0);
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2183 }
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2184
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2185 int
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2186 zfs_set_version(zfsvfs_t *zfsvfs, uint64_t newvers)
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2187 {
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2188 int error;
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2189 objset_t *os = zfsvfs->z_os;
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2190 dmu_tx_t *tx;
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2191
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2192 if (newvers < ZPL_VERSION_INITIAL \|\| newvers > ZPL_VERSION)
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2193 return (EINVAL);
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2194
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2195 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	2196 return (EINVAL);
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 if (zfs_spa_version_map(newvers) >
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2199 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	2200 return (ENOTSUP);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2201
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2202 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	2203 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	2204 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	2205 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	2206 ZFS_SA_ATTRS);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2207 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	2208 }
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2209 error = dmu_tx_assign(tx, TXG_WAIT);
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2210 if (error) {
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2211 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	2212 return (error);
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2213 }
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2214
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2215 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	2216 8, 1, &newvers, tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2217
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2218 if (error) {
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2219 dmu_tx_commit(tx);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2220 return (error);
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2221 }
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2222
11935 538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2223 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	2224 uint64_t sa_obj;
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2225
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2226 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	2227 SPA_VERSION_SA);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2228 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	2229 DMU_OT_NONE, 0, tx);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2230
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2231 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	2232 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	2233 ASSERT3U(error, ==, 0);
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2234
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2235 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	2236 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	2237 }
538c866aaac6 6716117 ZFS needs native system attribute infrastructure Mark Shellenbaum <Mark.Shellenbaum@Sun.COM> parents: 11824 diff changeset	2238
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2239 spa_history_internal_log(LOG_DS_UPGRADE,
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2240 dmu_objset_spa(os), tx, CRED(),
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2241 "oldver=%llu newver=%llu dataset = %llu",
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2242 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	2243
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2244 dmu_tx_commit(tx);
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2245
9396 f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2246 zfsvfs->z_version = newvers;
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2247
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2248 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	2249 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	2250
f41cf682d0d3 PSARC/2009/204 ZFS user/group quotas & space accounting Matthew Ahrens <Matthew.Ahrens@Sun.COM> parents: 9292 diff changeset	2251 return (0);
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2252 }
ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2253
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2254 /*
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2255 * Read a property stored within the master node.
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2256 */
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2257 int
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2258 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	2259 {
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2260 const char *pname;
7184 9508660f9c27 PSARC 2008/223 Pool root file system properties via zpool(1M) timh parents: 7147 diff changeset	2261 int error = ENOENT;
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2262
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2263 /*
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2264 * 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	2265 * version property, we look up a slightly different string.
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2266 */
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2267 if (prop == ZFS_PROP_VERSION)
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2268 pname = ZPL_VERSION_STR;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2269 else
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2270 pname = zfs_prop_to_name(prop);
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2271
7184 9508660f9c27 PSARC 2008/223 Pool root file system properties via zpool(1M) timh parents: 7147 diff changeset	2272 if (os != NULL)
9508660f9c27 PSARC 2008/223 Pool root file system properties via zpool(1M) timh parents: 7147 diff changeset	2273 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	2274
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2275 if (error == ENOENT) {
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2276 /* No value set, use the default value */
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2277 switch (prop) {
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2278 case ZFS_PROP_VERSION:
6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2279 *value = ZPL_VERSION;
6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2280 break;
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2281 case ZFS_PROP_NORMALIZE:
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2282 case ZFS_PROP_UTF8ONLY:
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2283 *value = 0;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2284 break;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2285 case ZFS_PROP_CASE:
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2286 *value = ZFS_CASE_SENSITIVE;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2287 break;
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2288 default:
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2289 return (error);
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2290 }
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2291 error = 0;
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2292 }
6404 6377536e1718 6668659 zfs send/recv loses properties maybee parents: 6083 diff changeset	2293 return (error);
5498 334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2294 }
334b476844ca 6622831 normalization properties are not preserved by "zfs send" timh parents: 5489 diff changeset	2295
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2296 static vfsdef_t vfw = {
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2297 VFSDEF_VERSION,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2298 MNTTYPE_ZFS,
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2299 zfs_vfsinit,
5331 3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	2300 VSW_HASPROTO\|VSW_CANRWRO\|VSW_CANREMOUNT\|VSW_VOLATILEDEV\|VSW_STATS\|
3047ad28a67b PSARC/2007/218 caller_context_t in all VOPs amw parents: 5326 diff changeset	2301 VSW_XID,
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2302 &zfs_mntopts
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2303 };
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2304
b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2305 struct modlfs zfs_modlfs = {
4577 ed36b0e652bc PSARC/2007/328 zfs upgrade ahrens parents: 4543 diff changeset	2306 &mod_fsops, "ZFS filesystem version " SPA_VERSION_STRING, &vfw
789 b348f31ed315 PSARC 2002/240 ZFS ahrens parents: diff changeset	2307 };

Mercurial > illumos > illumos-gate

annotate usr/src/uts/common/fs/zfs/zfs_vfsops.c @ 12095:6596d5361407