author | Tom Erickson <Tom.Erickson@Sun.COM> |
Mon, 09 Nov 2009 20:45:32 -0800 | |
changeset 11022 | 63ab26072e41 |
parent 10984 | bf1fc133a515 |
child 11185 | f0c31008e395 |
permissions | -rw-r--r-- |
789 | 1 |
/* |
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* CDDL HEADER START |
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* |
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* The contents of this file are subject to the terms of the |
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* Common Development and Distribution License (the "License"). |
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* You may not use this file except in compliance with the License. |
789 | 7 |
* |
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE |
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* or http://www.opensolaris.org/os/licensing. |
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* See the License for the specific language governing permissions |
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* and limitations under the License. |
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* |
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* When distributing Covered Code, include this CDDL HEADER in each |
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE. |
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* If applicable, add the following below this CDDL HEADER, with the |
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* fields enclosed by brackets "[]" replaced with your own identifying |
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* information: Portions Copyright [yyyy] [name of copyright owner] |
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* |
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* CDDL HEADER END |
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*/ |
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/* |
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* Copyright 2009 Sun Microsystems, Inc. All rights reserved. |
789 | 23 |
* Use is subject to license terms. |
24 |
*/ |
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25 |
||
26 |
#include <sys/types.h> |
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27 |
#include <sys/param.h> |
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28 |
#include <sys/systm.h> |
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29 |
#include <sys/sysmacros.h> |
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30 |
#include <sys/kmem.h> |
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31 |
#include <sys/pathname.h> |
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32 |
#include <sys/vnode.h> |
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33 |
#include <sys/vfs.h> |
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#include <sys/vfs_opreg.h> |
789 | 35 |
#include <sys/mntent.h> |
36 |
#include <sys/mount.h> |
|
37 |
#include <sys/cmn_err.h> |
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38 |
#include "fs/fs_subr.h" |
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39 |
#include <sys/zfs_znode.h> |
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3461 | 40 |
#include <sys/zfs_dir.h> |
789 | 41 |
#include <sys/zil.h> |
42 |
#include <sys/fs/zfs.h> |
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43 |
#include <sys/dmu.h> |
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44 |
#include <sys/dsl_prop.h> |
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3912 | 45 |
#include <sys/dsl_dataset.h> |
4543 | 46 |
#include <sys/dsl_deleg.h> |
789 | 47 |
#include <sys/spa.h> |
48 |
#include <sys/zap.h> |
|
49 |
#include <sys/varargs.h> |
|
50 |
#include <sys/policy.h> |
|
51 |
#include <sys/atomic.h> |
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52 |
#include <sys/mkdev.h> |
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53 |
#include <sys/modctl.h> |
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4543 | 54 |
#include <sys/refstr.h> |
789 | 55 |
#include <sys/zfs_ioctl.h> |
56 |
#include <sys/zfs_ctldir.h> |
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5331 | 57 |
#include <sys/zfs_fuid.h> |
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#include <sys/bootconf.h> |
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#include <sys/sunddi.h> |
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#include <sys/dnlc.h> |
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#include <sys/dmu_objset.h> |
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#include <sys/spa_boot.h> |
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64 |
int zfsfstype; |
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vfsops_t *zfs_vfsops = NULL; |
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static major_t zfs_major; |
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static minor_t zfs_minor; |
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static kmutex_t zfs_dev_mtx; |
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extern int sys_shutdown; |
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static int zfs_mount(vfs_t *vfsp, vnode_t *mvp, struct mounta *uap, cred_t *cr); |
73 |
static int zfs_umount(vfs_t *vfsp, int fflag, cred_t *cr); |
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1544 | 74 |
static int zfs_mountroot(vfs_t *vfsp, enum whymountroot); |
789 | 75 |
static int zfs_root(vfs_t *vfsp, vnode_t **vpp); |
76 |
static int zfs_statvfs(vfs_t *vfsp, struct statvfs64 *statp); |
|
77 |
static int zfs_vget(vfs_t *vfsp, vnode_t **vpp, fid_t *fidp); |
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78 |
static void zfs_freevfs(vfs_t *vfsp); |
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79 |
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80 |
static const fs_operation_def_t zfs_vfsops_template[] = { |
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VFSNAME_MOUNT, { .vfs_mount = zfs_mount }, |
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VFSNAME_MOUNTROOT, { .vfs_mountroot = zfs_mountroot }, |
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VFSNAME_UNMOUNT, { .vfs_unmount = zfs_umount }, |
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VFSNAME_ROOT, { .vfs_root = zfs_root }, |
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VFSNAME_STATVFS, { .vfs_statvfs = zfs_statvfs }, |
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VFSNAME_SYNC, { .vfs_sync = zfs_sync }, |
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VFSNAME_VGET, { .vfs_vget = zfs_vget }, |
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VFSNAME_FREEVFS, { .vfs_freevfs = zfs_freevfs }, |
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NULL, NULL |
789 | 90 |
}; |
91 |
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92 |
static const fs_operation_def_t zfs_vfsops_eio_template[] = { |
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VFSNAME_FREEVFS, { .vfs_freevfs = zfs_freevfs }, |
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NULL, NULL |
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}; |
96 |
||
97 |
/* |
|
98 |
* We need to keep a count of active fs's. |
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99 |
* This is necessary to prevent our module |
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100 |
* from being unloaded after a umount -f |
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101 |
*/ |
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102 |
static uint32_t zfs_active_fs_count = 0; |
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103 |
||
104 |
static char *noatime_cancel[] = { MNTOPT_ATIME, NULL }; |
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105 |
static char *atime_cancel[] = { MNTOPT_NOATIME, NULL }; |
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3234 | 106 |
static char *noxattr_cancel[] = { MNTOPT_XATTR, NULL }; |
107 |
static char *xattr_cancel[] = { MNTOPT_NOXATTR, NULL }; |
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789 | 108 |
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3234 | 109 |
/* |
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* MO_DEFAULT is not used since the default value is determined |
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* by the equivalent property. |
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*/ |
789 | 113 |
static mntopt_t mntopts[] = { |
3234 | 114 |
{ MNTOPT_NOXATTR, noxattr_cancel, NULL, 0, NULL }, |
115 |
{ MNTOPT_XATTR, xattr_cancel, NULL, 0, NULL }, |
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{ MNTOPT_NOATIME, noatime_cancel, NULL, 0, NULL }, |
789 | 117 |
{ MNTOPT_ATIME, atime_cancel, NULL, 0, NULL } |
118 |
}; |
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119 |
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120 |
static mntopts_t zfs_mntopts = { |
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121 |
sizeof (mntopts) / sizeof (mntopt_t), |
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mntopts |
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123 |
}; |
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124 |
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125 |
/*ARGSUSED*/ |
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126 |
int |
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127 |
zfs_sync(vfs_t *vfsp, short flag, cred_t *cr) |
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128 |
{ |
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129 |
/* |
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130 |
* Data integrity is job one. We don't want a compromised kernel |
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131 |
* writing to the storage pool, so we never sync during panic. |
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132 |
*/ |
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133 |
if (panicstr) |
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return (0); |
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135 |
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136 |
/* |
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* SYNC_ATTR is used by fsflush() to force old filesystems like UFS |
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* to sync metadata, which they would otherwise cache indefinitely. |
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* Semantically, the only requirement is that the sync be initiated. |
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* The DMU syncs out txgs frequently, so there's nothing to do. |
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141 |
*/ |
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142 |
if (flag & SYNC_ATTR) |
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143 |
return (0); |
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144 |
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145 |
if (vfsp != NULL) { |
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146 |
/* |
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* Sync a specific filesystem. |
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*/ |
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zfsvfs_t *zfsvfs = vfsp->vfs_data; |
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dsl_pool_t *dp; |
789 | 151 |
|
152 |
ZFS_ENTER(zfsvfs); |
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dp = dmu_objset_pool(zfsvfs->z_os); |
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|
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/* |
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* If the system is shutting down, then skip any |
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* filesystems which may exist on a suspended pool. |
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*/ |
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if (sys_shutdown && spa_suspended(dp->dp_spa)) { |
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ZFS_EXIT(zfsvfs); |
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return (0); |
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} |
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163 |
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789 | 164 |
if (zfsvfs->z_log != NULL) |
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zil_commit(zfsvfs->z_log, UINT64_MAX, 0); |
789 | 166 |
else |
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167 |
txg_wait_synced(dp, 0); |
789 | 168 |
ZFS_EXIT(zfsvfs); |
169 |
} else { |
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170 |
/* |
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171 |
* Sync all ZFS filesystems. This is what happens when you |
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172 |
* run sync(1M). Unlike other filesystems, ZFS honors the |
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173 |
* request by waiting for all pools to commit all dirty data. |
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174 |
*/ |
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175 |
spa_sync_allpools(); |
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176 |
} |
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177 |
||
178 |
return (0); |
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179 |
} |
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180 |
||
1544 | 181 |
static int |
182 |
zfs_create_unique_device(dev_t *dev) |
|
183 |
{ |
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184 |
major_t new_major; |
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185 |
||
186 |
do { |
|
187 |
ASSERT3U(zfs_minor, <=, MAXMIN32); |
|
188 |
minor_t start = zfs_minor; |
|
189 |
do { |
|
190 |
mutex_enter(&zfs_dev_mtx); |
|
191 |
if (zfs_minor >= MAXMIN32) { |
|
192 |
/* |
|
193 |
* If we're still using the real major |
|
194 |
* keep out of /dev/zfs and /dev/zvol minor |
|
195 |
* number space. If we're using a getudev()'ed |
|
196 |
* major number, we can use all of its minors. |
|
197 |
*/ |
|
198 |
if (zfs_major == ddi_name_to_major(ZFS_DRIVER)) |
|
199 |
zfs_minor = ZFS_MIN_MINOR; |
|
200 |
else |
|
201 |
zfs_minor = 0; |
|
202 |
} else { |
|
203 |
zfs_minor++; |
|
204 |
} |
|
205 |
*dev = makedevice(zfs_major, zfs_minor); |
|
206 |
mutex_exit(&zfs_dev_mtx); |
|
207 |
} while (vfs_devismounted(*dev) && zfs_minor != start); |
|
208 |
if (zfs_minor == start) { |
|
209 |
/* |
|
210 |
* We are using all ~262,000 minor numbers for the |
|
211 |
* current major number. Create a new major number. |
|
212 |
*/ |
|
213 |
if ((new_major = getudev()) == (major_t)-1) { |
|
214 |
cmn_err(CE_WARN, |
|
215 |
"zfs_mount: Can't get unique major " |
|
216 |
"device number."); |
|
217 |
return (-1); |
|
218 |
} |
|
219 |
mutex_enter(&zfs_dev_mtx); |
|
220 |
zfs_major = new_major; |
|
221 |
zfs_minor = 0; |
|
222 |
||
223 |
mutex_exit(&zfs_dev_mtx); |
|
224 |
} else { |
|
225 |
break; |
|
226 |
} |
|
227 |
/* CONSTANTCONDITION */ |
|
228 |
} while (1); |
|
229 |
||
230 |
return (0); |
|
231 |
} |
|
232 |
||
789 | 233 |
static void |
234 |
atime_changed_cb(void *arg, uint64_t newval) |
|
235 |
{ |
|
236 |
zfsvfs_t *zfsvfs = arg; |
|
237 |
||
238 |
if (newval == TRUE) { |
|
239 |
zfsvfs->z_atime = TRUE; |
|
240 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOATIME); |
|
241 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_ATIME, NULL, 0); |
|
242 |
} else { |
|
243 |
zfsvfs->z_atime = FALSE; |
|
244 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_ATIME); |
|
245 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOATIME, NULL, 0); |
|
246 |
} |
|
247 |
} |
|
248 |
||
249 |
static void |
|
3234 | 250 |
xattr_changed_cb(void *arg, uint64_t newval) |
251 |
{ |
|
252 |
zfsvfs_t *zfsvfs = arg; |
|
253 |
||
254 |
if (newval == TRUE) { |
|
255 |
/* XXX locking on vfs_flag? */ |
|
256 |
zfsvfs->z_vfs->vfs_flag |= VFS_XATTR; |
|
257 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOXATTR); |
|
258 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_XATTR, NULL, 0); |
|
259 |
} else { |
|
260 |
/* XXX locking on vfs_flag? */ |
|
261 |
zfsvfs->z_vfs->vfs_flag &= ~VFS_XATTR; |
|
262 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_XATTR); |
|
263 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOXATTR, NULL, 0); |
|
264 |
} |
|
265 |
} |
|
266 |
||
267 |
static void |
|
789 | 268 |
blksz_changed_cb(void *arg, uint64_t newval) |
269 |
{ |
|
270 |
zfsvfs_t *zfsvfs = arg; |
|
271 |
||
272 |
if (newval < SPA_MINBLOCKSIZE || |
|
273 |
newval > SPA_MAXBLOCKSIZE || !ISP2(newval)) |
|
274 |
newval = SPA_MAXBLOCKSIZE; |
|
275 |
||
276 |
zfsvfs->z_max_blksz = newval; |
|
277 |
zfsvfs->z_vfs->vfs_bsize = newval; |
|
278 |
} |
|
279 |
||
280 |
static void |
|
281 |
readonly_changed_cb(void *arg, uint64_t newval) |
|
282 |
{ |
|
283 |
zfsvfs_t *zfsvfs = arg; |
|
284 |
||
285 |
if (newval) { |
|
286 |
/* XXX locking on vfs_flag? */ |
|
287 |
zfsvfs->z_vfs->vfs_flag |= VFS_RDONLY; |
|
288 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_RW); |
|
289 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_RO, NULL, 0); |
|
290 |
} else { |
|
291 |
/* XXX locking on vfs_flag? */ |
|
292 |
zfsvfs->z_vfs->vfs_flag &= ~VFS_RDONLY; |
|
293 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_RO); |
|
294 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_RW, NULL, 0); |
|
295 |
} |
|
296 |
} |
|
297 |
||
298 |
static void |
|
299 |
devices_changed_cb(void *arg, uint64_t newval) |
|
300 |
{ |
|
301 |
zfsvfs_t *zfsvfs = arg; |
|
302 |
||
303 |
if (newval == FALSE) { |
|
304 |
zfsvfs->z_vfs->vfs_flag |= VFS_NODEVICES; |
|
305 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_DEVICES); |
|
306 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NODEVICES, NULL, 0); |
|
307 |
} else { |
|
308 |
zfsvfs->z_vfs->vfs_flag &= ~VFS_NODEVICES; |
|
309 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NODEVICES); |
|
310 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_DEVICES, NULL, 0); |
|
311 |
} |
|
312 |
} |
|
313 |
||
314 |
static void |
|
315 |
setuid_changed_cb(void *arg, uint64_t newval) |
|
316 |
{ |
|
317 |
zfsvfs_t *zfsvfs = arg; |
|
318 |
||
319 |
if (newval == FALSE) { |
|
320 |
zfsvfs->z_vfs->vfs_flag |= VFS_NOSETUID; |
|
321 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_SETUID); |
|
322 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOSETUID, NULL, 0); |
|
323 |
} else { |
|
324 |
zfsvfs->z_vfs->vfs_flag &= ~VFS_NOSETUID; |
|
325 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOSETUID); |
|
326 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_SETUID, NULL, 0); |
|
327 |
} |
|
328 |
} |
|
329 |
||
330 |
static void |
|
331 |
exec_changed_cb(void *arg, uint64_t newval) |
|
332 |
{ |
|
333 |
zfsvfs_t *zfsvfs = arg; |
|
334 |
||
335 |
if (newval == FALSE) { |
|
336 |
zfsvfs->z_vfs->vfs_flag |= VFS_NOEXEC; |
|
337 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_EXEC); |
|
338 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NOEXEC, NULL, 0); |
|
339 |
} else { |
|
340 |
zfsvfs->z_vfs->vfs_flag &= ~VFS_NOEXEC; |
|
341 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NOEXEC); |
|
342 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_EXEC, NULL, 0); |
|
343 |
} |
|
344 |
} |
|
345 |
||
5331 | 346 |
/* |
347 |
* The nbmand mount option can be changed at mount time. |
|
348 |
* We can't allow it to be toggled on live file systems or incorrect |
|
349 |
* behavior may be seen from cifs clients |
|
350 |
* |
|
351 |
* This property isn't registered via dsl_prop_register(), but this callback |
|
352 |
* will be called when a file system is first mounted |
|
353 |
*/ |
|
354 |
static void |
|
355 |
nbmand_changed_cb(void *arg, uint64_t newval) |
|
356 |
{ |
|
357 |
zfsvfs_t *zfsvfs = arg; |
|
358 |
if (newval == FALSE) { |
|
359 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NBMAND); |
|
360 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NONBMAND, NULL, 0); |
|
361 |
} else { |
|
362 |
vfs_clearmntopt(zfsvfs->z_vfs, MNTOPT_NONBMAND); |
|
363 |
vfs_setmntopt(zfsvfs->z_vfs, MNTOPT_NBMAND, NULL, 0); |
|
364 |
} |
|
365 |
} |
|
366 |
||
789 | 367 |
static void |
368 |
snapdir_changed_cb(void *arg, uint64_t newval) |
|
369 |
{ |
|
370 |
zfsvfs_t *zfsvfs = arg; |
|
371 |
||
372 |
zfsvfs->z_show_ctldir = newval; |
|
373 |
} |
|
374 |
||
375 |
static void |
|
5331 | 376 |
vscan_changed_cb(void *arg, uint64_t newval) |
377 |
{ |
|
378 |
zfsvfs_t *zfsvfs = arg; |
|
379 |
||
380 |
zfsvfs->z_vscan = newval; |
|
381 |
} |
|
382 |
||
383 |
static void |
|
789 | 384 |
acl_mode_changed_cb(void *arg, uint64_t newval) |
385 |
{ |
|
386 |
zfsvfs_t *zfsvfs = arg; |
|
387 |
||
388 |
zfsvfs->z_acl_mode = newval; |
|
389 |
} |
|
390 |
||
391 |
static void |
|
392 |
acl_inherit_changed_cb(void *arg, uint64_t newval) |
|
393 |
{ |
|
394 |
zfsvfs_t *zfsvfs = arg; |
|
395 |
||
396 |
zfsvfs->z_acl_inherit = newval; |
|
397 |
} |
|
398 |
||
1544 | 399 |
static int |
400 |
zfs_register_callbacks(vfs_t *vfsp) |
|
401 |
{ |
|
402 |
struct dsl_dataset *ds = NULL; |
|
403 |
objset_t *os = NULL; |
|
404 |
zfsvfs_t *zfsvfs = NULL; |
|
5331 | 405 |
uint64_t nbmand; |
406 |
int readonly, do_readonly = B_FALSE; |
|
407 |
int setuid, do_setuid = B_FALSE; |
|
408 |
int exec, do_exec = B_FALSE; |
|
409 |
int devices, do_devices = B_FALSE; |
|
410 |
int xattr, do_xattr = B_FALSE; |
|
411 |
int atime, do_atime = B_FALSE; |
|
1544 | 412 |
int error = 0; |
413 |
||
414 |
ASSERT(vfsp); |
|
415 |
zfsvfs = vfsp->vfs_data; |
|
416 |
ASSERT(zfsvfs); |
|
417 |
os = zfsvfs->z_os; |
|
418 |
||
419 |
/* |
|
420 |
* The act of registering our callbacks will destroy any mount |
|
421 |
* options we may have. In order to enable temporary overrides |
|
3234 | 422 |
* of mount options, we stash away the current values and |
1544 | 423 |
* restore them after we register the callbacks. |
424 |
*/ |
|
425 |
if (vfs_optionisset(vfsp, MNTOPT_RO, NULL)) { |
|
426 |
readonly = B_TRUE; |
|
427 |
do_readonly = B_TRUE; |
|
428 |
} else if (vfs_optionisset(vfsp, MNTOPT_RW, NULL)) { |
|
429 |
readonly = B_FALSE; |
|
430 |
do_readonly = B_TRUE; |
|
431 |
} |
|
432 |
if (vfs_optionisset(vfsp, MNTOPT_NOSUID, NULL)) { |
|
433 |
devices = B_FALSE; |
|
434 |
setuid = B_FALSE; |
|
435 |
do_devices = B_TRUE; |
|
436 |
do_setuid = B_TRUE; |
|
437 |
} else { |
|
438 |
if (vfs_optionisset(vfsp, MNTOPT_NODEVICES, NULL)) { |
|
439 |
devices = B_FALSE; |
|
440 |
do_devices = B_TRUE; |
|
3912 | 441 |
} else if (vfs_optionisset(vfsp, MNTOPT_DEVICES, NULL)) { |
1544 | 442 |
devices = B_TRUE; |
443 |
do_devices = B_TRUE; |
|
444 |
} |
|
445 |
||
446 |
if (vfs_optionisset(vfsp, MNTOPT_NOSETUID, NULL)) { |
|
447 |
setuid = B_FALSE; |
|
448 |
do_setuid = B_TRUE; |
|
449 |
} else if (vfs_optionisset(vfsp, MNTOPT_SETUID, NULL)) { |
|
450 |
setuid = B_TRUE; |
|
451 |
do_setuid = B_TRUE; |
|
452 |
} |
|
453 |
} |
|
454 |
if (vfs_optionisset(vfsp, MNTOPT_NOEXEC, NULL)) { |
|
455 |
exec = B_FALSE; |
|
456 |
do_exec = B_TRUE; |
|
457 |
} else if (vfs_optionisset(vfsp, MNTOPT_EXEC, NULL)) { |
|
458 |
exec = B_TRUE; |
|
459 |
do_exec = B_TRUE; |
|
460 |
} |
|
3234 | 461 |
if (vfs_optionisset(vfsp, MNTOPT_NOXATTR, NULL)) { |
462 |
xattr = B_FALSE; |
|
463 |
do_xattr = B_TRUE; |
|
464 |
} else if (vfs_optionisset(vfsp, MNTOPT_XATTR, NULL)) { |
|
465 |
xattr = B_TRUE; |
|
466 |
do_xattr = B_TRUE; |
|
467 |
} |
|
4596
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
468 |
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
|
469 |
atime = B_FALSE; |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
470 |
do_atime = B_TRUE; |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
471 |
} 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
|
472 |
atime = B_TRUE; |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
473 |
do_atime = B_TRUE; |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
474 |
} |
1544 | 475 |
|
476 |
/* |
|
5331 | 477 |
* nbmand is a special property. It can only be changed at |
478 |
* mount time. |
|
479 |
* |
|
480 |
* This is weird, but it is documented to only be changeable |
|
481 |
* at mount time. |
|
482 |
*/ |
|
483 |
if (vfs_optionisset(vfsp, MNTOPT_NONBMAND, NULL)) { |
|
484 |
nbmand = B_FALSE; |
|
485 |
} else if (vfs_optionisset(vfsp, MNTOPT_NBMAND, NULL)) { |
|
486 |
nbmand = B_TRUE; |
|
487 |
} else { |
|
488 |
char osname[MAXNAMELEN]; |
|
489 |
||
490 |
dmu_objset_name(os, osname); |
|
491 |
if (error = dsl_prop_get_integer(osname, "nbmand", &nbmand, |
|
7265 | 492 |
NULL)) { |
493 |
return (error); |
|
494 |
} |
|
5331 | 495 |
} |
496 |
||
497 |
/* |
|
1544 | 498 |
* Register property callbacks. |
499 |
* |
|
500 |
* It would probably be fine to just check for i/o error from |
|
501 |
* the first prop_register(), but I guess I like to go |
|
502 |
* overboard... |
|
503 |
*/ |
|
504 |
ds = dmu_objset_ds(os); |
|
505 |
error = dsl_prop_register(ds, "atime", atime_changed_cb, zfsvfs); |
|
506 |
error = error ? error : dsl_prop_register(ds, |
|
3234 | 507 |
"xattr", xattr_changed_cb, zfsvfs); |
508 |
error = error ? error : dsl_prop_register(ds, |
|
1544 | 509 |
"recordsize", blksz_changed_cb, zfsvfs); |
510 |
error = error ? error : dsl_prop_register(ds, |
|
511 |
"readonly", readonly_changed_cb, zfsvfs); |
|
512 |
error = error ? error : dsl_prop_register(ds, |
|
513 |
"devices", devices_changed_cb, zfsvfs); |
|
514 |
error = error ? error : dsl_prop_register(ds, |
|
515 |
"setuid", setuid_changed_cb, zfsvfs); |
|
516 |
error = error ? error : dsl_prop_register(ds, |
|
517 |
"exec", exec_changed_cb, zfsvfs); |
|
518 |
error = error ? error : dsl_prop_register(ds, |
|
519 |
"snapdir", snapdir_changed_cb, zfsvfs); |
|
520 |
error = error ? error : dsl_prop_register(ds, |
|
521 |
"aclmode", acl_mode_changed_cb, zfsvfs); |
|
522 |
error = error ? error : dsl_prop_register(ds, |
|
523 |
"aclinherit", acl_inherit_changed_cb, zfsvfs); |
|
5331 | 524 |
error = error ? error : dsl_prop_register(ds, |
525 |
"vscan", vscan_changed_cb, zfsvfs); |
|
1544 | 526 |
if (error) |
527 |
goto unregister; |
|
528 |
||
529 |
/* |
|
530 |
* Invoke our callbacks to restore temporary mount options. |
|
531 |
*/ |
|
532 |
if (do_readonly) |
|
533 |
readonly_changed_cb(zfsvfs, readonly); |
|
534 |
if (do_setuid) |
|
535 |
setuid_changed_cb(zfsvfs, setuid); |
|
536 |
if (do_exec) |
|
537 |
exec_changed_cb(zfsvfs, exec); |
|
538 |
if (do_devices) |
|
539 |
devices_changed_cb(zfsvfs, devices); |
|
3234 | 540 |
if (do_xattr) |
541 |
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
|
542 |
if (do_atime) |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
543 |
atime_changed_cb(zfsvfs, atime); |
1544 | 544 |
|
5331 | 545 |
nbmand_changed_cb(zfsvfs, nbmand); |
546 |
||
1544 | 547 |
return (0); |
548 |
||
549 |
unregister: |
|
550 |
/* |
|
551 |
* We may attempt to unregister some callbacks that are not |
|
552 |
* registered, but this is OK; it will simply return ENOMSG, |
|
553 |
* which we will ignore. |
|
554 |
*/ |
|
555 |
(void) dsl_prop_unregister(ds, "atime", atime_changed_cb, zfsvfs); |
|
3234 | 556 |
(void) dsl_prop_unregister(ds, "xattr", xattr_changed_cb, zfsvfs); |
1544 | 557 |
(void) dsl_prop_unregister(ds, "recordsize", blksz_changed_cb, zfsvfs); |
558 |
(void) dsl_prop_unregister(ds, "readonly", readonly_changed_cb, zfsvfs); |
|
559 |
(void) dsl_prop_unregister(ds, "devices", devices_changed_cb, zfsvfs); |
|
560 |
(void) dsl_prop_unregister(ds, "setuid", setuid_changed_cb, zfsvfs); |
|
561 |
(void) dsl_prop_unregister(ds, "exec", exec_changed_cb, zfsvfs); |
|
562 |
(void) dsl_prop_unregister(ds, "snapdir", snapdir_changed_cb, zfsvfs); |
|
563 |
(void) dsl_prop_unregister(ds, "aclmode", acl_mode_changed_cb, zfsvfs); |
|
564 |
(void) dsl_prop_unregister(ds, "aclinherit", acl_inherit_changed_cb, |
|
565 |
zfsvfs); |
|
5331 | 566 |
(void) dsl_prop_unregister(ds, "vscan", vscan_changed_cb, zfsvfs); |
1544 | 567 |
return (error); |
568 |
||
569 |
} |
|
570 |
||
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
571 |
static void |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
572 |
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
|
573 |
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
|
574 |
{ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
575 |
uint64_t used = 0; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
576 |
char buf[32]; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
577 |
int err; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
578 |
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
|
579 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
580 |
if (delta == 0) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
581 |
return; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
582 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
583 |
(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
|
584 |
err = zap_lookup(os, obj, buf, 8, 1, &used); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
585 |
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
|
586 |
/* no underflow/overflow */ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
587 |
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
|
588 |
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
|
589 |
used += delta; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
590 |
if (used == 0) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
591 |
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
|
592 |
else |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
593 |
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
|
594 |
ASSERT(err == 0); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
595 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
596 |
|
10407
34e10c4af053
6875779 zfs user accounting callbacks can be simplified
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10342
diff
changeset
|
597 |
static int |
34e10c4af053
6875779 zfs user accounting callbacks can be simplified
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10342
diff
changeset
|
598 |
zfs_space_delta_cb(dmu_object_type_t bonustype, void *bonus, |
34e10c4af053
6875779 zfs user accounting callbacks can be simplified
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10342
diff
changeset
|
599 |
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
|
600 |
{ |
10407
34e10c4af053
6875779 zfs user accounting callbacks can be simplified
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10342
diff
changeset
|
601 |
znode_phys_t *znp = bonus; |
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
602 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
603 |
if (bonustype != DMU_OT_ZNODE) |
10407
34e10c4af053
6875779 zfs user accounting callbacks can be simplified
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10342
diff
changeset
|
604 |
return (ENOENT); |
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
605 |
|
10407
34e10c4af053
6875779 zfs user accounting callbacks can be simplified
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10342
diff
changeset
|
606 |
*userp = znp->zp_uid; |
34e10c4af053
6875779 zfs user accounting callbacks can be simplified
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10342
diff
changeset
|
607 |
*groupp = znp->zp_gid; |
34e10c4af053
6875779 zfs user accounting callbacks can be simplified
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10342
diff
changeset
|
608 |
return (0); |
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
609 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
610 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
611 |
static void |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
612 |
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
|
613 |
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
|
614 |
{ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
615 |
uint64_t fuid; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
616 |
const char *domain; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
617 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
618 |
fuid = strtonum(fuidstr, NULL); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
619 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
620 |
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
|
621 |
if (domain) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
622 |
(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
|
623 |
else |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
624 |
domainbuf[0] = '\0'; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
625 |
*ridp = FUID_RID(fuid); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
626 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
627 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
628 |
static uint64_t |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
629 |
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
|
630 |
{ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
631 |
switch (type) { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
632 |
case ZFS_PROP_USERUSED: |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
633 |
return (DMU_USERUSED_OBJECT); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
634 |
case ZFS_PROP_GROUPUSED: |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
635 |
return (DMU_GROUPUSED_OBJECT); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
636 |
case ZFS_PROP_USERQUOTA: |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
637 |
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
|
638 |
case ZFS_PROP_GROUPQUOTA: |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
639 |
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
|
640 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
641 |
return (0); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
642 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
643 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
644 |
int |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
645 |
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
|
646 |
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
|
647 |
{ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
648 |
int error; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
649 |
zap_cursor_t zc; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
650 |
zap_attribute_t za; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
651 |
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
|
652 |
uint64_t obj; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
653 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
654 |
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
|
655 |
return (ENOTSUP); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
656 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
657 |
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
|
658 |
if (obj == 0) { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
659 |
*bufsizep = 0; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
660 |
return (0); |
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 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
663 |
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
|
664 |
(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
|
665 |
zap_cursor_advance(&zc)) { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
666 |
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
|
667 |
*bufsizep) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
668 |
break; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
669 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
670 |
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
|
671 |
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
|
672 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
673 |
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
|
674 |
buf++; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
675 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
676 |
if (error == ENOENT) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
677 |
error = 0; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
678 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
679 |
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
|
680 |
*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
|
681 |
*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
|
682 |
zap_cursor_fini(&zc); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
683 |
return (error); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
684 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
685 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
686 |
/* |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
687 |
* 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
|
688 |
*/ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
689 |
static int |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
690 |
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
|
691 |
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
|
692 |
{ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
693 |
uint64_t fuid; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
694 |
int domainid = 0; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
695 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
696 |
if (domain && domain[0]) { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
697 |
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
|
698 |
if (domainid == -1) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
699 |
return (ENOENT); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
700 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
701 |
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
|
702 |
(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
|
703 |
return (0); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
704 |
} |
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 |
int |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
707 |
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
|
708 |
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
|
709 |
{ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
710 |
char buf[32]; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
711 |
int err; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
712 |
uint64_t obj; |
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 |
*valp = 0; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
715 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
716 |
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
|
717 |
return (ENOTSUP); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
718 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
719 |
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
|
720 |
if (obj == 0) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
721 |
return (0); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
722 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
723 |
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
|
724 |
if (err) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
725 |
return (err); |
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 |
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
|
728 |
if (err == ENOENT) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
729 |
err = 0; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
730 |
return (err); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
731 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
732 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
733 |
int |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
734 |
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
|
735 |
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
|
736 |
{ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
737 |
char buf[32]; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
738 |
int err; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
739 |
dmu_tx_t *tx; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
740 |
uint64_t *objp; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
741 |
boolean_t fuid_dirtied; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
742 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
743 |
if (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
|
744 |
return (EINVAL); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
745 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
746 |
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
|
747 |
return (ENOTSUP); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
748 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
749 |
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
|
750 |
&zfsvfs->z_groupquota_obj; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
751 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
752 |
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
|
753 |
if (err) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
754 |
return (err); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
755 |
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
|
756 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
757 |
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
|
758 |
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
|
759 |
if (*objp == 0) { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
760 |
dmu_tx_hold_zap(tx, 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
|
761 |
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
|
762 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
763 |
if (fuid_dirtied) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
764 |
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
|
765 |
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
|
766 |
if (err) { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
767 |
dmu_tx_abort(tx); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
768 |
return (err); |
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 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
771 |
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
|
772 |
if (*objp == 0) { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
773 |
*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
|
774 |
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
|
775 |
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
|
776 |
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
|
777 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
778 |
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
|
779 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
780 |
if (quota == 0) { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
781 |
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
|
782 |
if (err == ENOENT) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
783 |
err = 0; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
784 |
} else { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
785 |
err = zap_update(zfsvfs->z_os, *objp, buf, 8, 1, "a, tx); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
786 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
787 |
ASSERT(err == 0); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
788 |
if (fuid_dirtied) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
789 |
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
|
790 |
dmu_tx_commit(tx); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
791 |
return (err); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
792 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
793 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
794 |
boolean_t |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
795 |
zfs_usergroup_overquota(zfsvfs_t *zfsvfs, 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
|
796 |
{ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
797 |
char buf[32]; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
798 |
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
|
799 |
int err; |
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 |
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
|
802 |
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
|
803 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
804 |
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
|
805 |
return (B_FALSE); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
806 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
807 |
(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
|
808 |
err = zap_lookup(zfsvfs->z_os, quotaobj, buf, 8, 1, "a); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
809 |
if (err != 0) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
810 |
return (B_FALSE); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
811 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
812 |
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
|
813 |
if (err != 0) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
814 |
return (B_FALSE); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
815 |
return (used >= quota); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
816 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
817 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
818 |
int |
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
819 |
zfsvfs_create(const char *osname, zfsvfs_t **zvp) |
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
820 |
{ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
821 |
objset_t *os; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
822 |
zfsvfs_t *zfsvfs; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
823 |
uint64_t zval; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
824 |
int i, error; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
825 |
|
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
826 |
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
|
827 |
|
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
828 |
/* |
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
829 |
* 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
|
830 |
* 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
|
831 |
*/ |
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
832 |
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
|
833 |
if (error) { |
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
834 |
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
|
835 |
return (error); |
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
836 |
} |
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 |
/* |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
839 |
* 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
|
840 |
* 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
|
841 |
* 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
|
842 |
*/ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
843 |
zfsvfs->z_vfs = NULL; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
844 |
zfsvfs->z_parent = zfsvfs; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
845 |
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
|
846 |
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
|
847 |
zfsvfs->z_os = os; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
848 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
849 |
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
|
850 |
if (error) { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
851 |
goto out; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
852 |
} else if (zfsvfs->z_version > ZPL_VERSION) { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
853 |
(void) printf("Mismatched versions: File system " |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
854 |
"is version %llu on-disk format, which is " |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
855 |
"incompatible with this software version %lld!", |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
856 |
(u_longlong_t)zfsvfs->z_version, ZPL_VERSION); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
857 |
error = ENOTSUP; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
858 |
goto out; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
859 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
860 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
861 |
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
|
862 |
goto out; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
863 |
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
|
864 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
865 |
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
|
866 |
goto out; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
867 |
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
|
868 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
869 |
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
|
870 |
goto out; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
871 |
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
|
872 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
873 |
/* |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
874 |
* 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
|
875 |
* insensitive. |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
876 |
*/ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
877 |
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
|
878 |
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
|
879 |
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
|
880 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
881 |
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
|
882 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
883 |
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
|
884 |
&zfsvfs->z_root); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
885 |
if (error) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
886 |
goto out; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
887 |
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
|
888 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
889 |
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
|
890 |
&zfsvfs->z_unlinkedobj); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
891 |
if (error) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
892 |
goto out; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
893 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
894 |
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
|
895 |
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
|
896 |
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
|
897 |
if (error && error != ENOENT) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
898 |
goto out; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
899 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
900 |
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
|
901 |
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
|
902 |
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
|
903 |
if (error && error != ENOENT) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
904 |
goto out; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
905 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
906 |
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
|
907 |
&zfsvfs->z_fuid_obj); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
908 |
if (error && error != ENOENT) |
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 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
911 |
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
|
912 |
&zfsvfs->z_shares_dir); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
913 |
if (error && error != ENOENT) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
914 |
goto out; |
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 |
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
|
917 |
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
|
918 |
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
|
919 |
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
|
920 |
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
|
921 |
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
|
922 |
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
|
923 |
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
|
924 |
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
|
925 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
926 |
*zvp = zfsvfs; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
927 |
return (0); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
928 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
929 |
out: |
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
930 |
dmu_objset_disown(os, zfsvfs); |
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
931 |
*zvp = NULL; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
932 |
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
|
933 |
return (error); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
934 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
935 |
|
1544 | 936 |
static int |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
937 |
zfsvfs_setup(zfsvfs_t *zfsvfs, boolean_t mounting) |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
938 |
{ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
939 |
int error; |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
940 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
941 |
error = zfs_register_callbacks(zfsvfs->z_vfs); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
942 |
if (error) |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
943 |
return (error); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
944 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
945 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
946 |
* 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
|
947 |
*/ |
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
948 |
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
|
949 |
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
|
950 |
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
|
951 |
|
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
|
952 |
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
|
953 |
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
|
954 |
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
|
955 |
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
|
956 |
} |
e112194b5b73
6798298 zfs rollback or incremental zfs recv results in intent log being closed
Neil Perrin <Neil.Perrin@Sun.COM>
parents:
9246
diff
changeset
|
957 |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
958 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
959 |
* 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
|
960 |
* 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
|
961 |
* operations out since we closed the ZIL. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
962 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
963 |
if (mounting) { |
7638
5505e89fa6c8
6741237 zfs hang in txg_wait_open() on boot
Neil Perrin <Neil.Perrin@Sun.COM>
parents:
7265
diff
changeset
|
964 |
boolean_t readonly; |
5505e89fa6c8
6741237 zfs hang in txg_wait_open() on boot
Neil Perrin <Neil.Perrin@Sun.COM>
parents:
7265
diff
changeset
|
965 |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
966 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
967 |
* 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
|
968 |
* allow replays to succeed. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
969 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
970 |
readonly = zfsvfs->z_vfs->vfs_flag & VFS_RDONLY; |
8227 | 971 |
if (readonly != 0) |
972 |
zfsvfs->z_vfs->vfs_flag &= ~VFS_RDONLY; |
|
973 |
else |
|
974 |
zfs_unlinked_drain(zfsvfs); |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
975 |
|
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
|
976 |
if (zfsvfs->z_log) { |
8227 | 977 |
/* |
978 |
* Parse and replay the intent log. |
|
979 |
* |
|
980 |
* Because of ziltest, this must be done after |
|
981 |
* zfs_unlinked_drain(). (Further note: ziltest |
|
982 |
* doesn't use readonly mounts, where |
|
983 |
* zfs_unlinked_drain() isn't called.) This is because |
|
984 |
* ziltest causes spa_sync() to think it's committed, |
|
985 |
* but actually it is not, so the intent log contains |
|
986 |
* many txg's worth of changes. |
|
987 |
* |
|
988 |
* In particular, if object N is in the unlinked set in |
|
989 |
* the last txg to actually sync, then it could be |
|
990 |
* actually freed in a later txg and then reallocated |
|
991 |
* in a yet later txg. This would write a "create |
|
992 |
* object N" record to the intent log. Normally, this |
|
993 |
* would be fine because the spa_sync() would have |
|
994 |
* written out the fact that object N is free, before |
|
995 |
* we could write the "create object N" intent log |
|
996 |
* record. |
|
997 |
* |
|
998 |
* But when we are in ziltest mode, we advance the "open |
|
999 |
* txg" without actually spa_sync()-ing the changes to |
|
1000 |
* disk. So we would see that object N is still |
|
1001 |
* allocated and in the unlinked set, and there is an |
|
1002 |
* intent log record saying to allocate it. |
|
1003 |
*/ |
|
1004 |
zfsvfs->z_replay = B_TRUE; |
|
1005 |
zil_replay(zfsvfs->z_os, zfsvfs, zfs_replay_vector); |
|
1006 |
zfsvfs->z_replay = B_FALSE; |
|
1007 |
} |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1008 |
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
|
1009 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1010 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1011 |
return (0); |
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 |
|
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1014 |
void |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1015 |
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
|
1016 |
{ |
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1017 |
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
|
1018 |
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
|
1019 |
|
f660bc44f2e8
6843700 zfs_znode_move() does not ensure valid file system pointer
Tom Erickson <Tom.Erickson@Sun.COM>
parents:
9749
diff
changeset
|
1020 |
/* |
f660bc44f2e8
6843700 zfs_znode_move() does not ensure valid file system pointer
Tom Erickson <Tom.Erickson@Sun.COM>
parents:
9749
diff
changeset
|
1021 |
* 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
|
1022 |
* 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
|
1023 |
* 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
|
1024 |
* 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
|
1025 |
*/ |
f660bc44f2e8
6843700 zfs_znode_move() does not ensure valid file system pointer
Tom Erickson <Tom.Erickson@Sun.COM>
parents:
9749
diff
changeset
|
1026 |
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
|
1027 |
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
|
1028 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1029 |
zfs_fuid_destroy(zfsvfs); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1030 |
|
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
|
1031 |
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
|
1032 |
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
|
1033 |
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
|
1034 |
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
|
1035 |
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
|
1036 |
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
|
1037 |
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
|
1038 |
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
|
1039 |
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
|
1040 |
} |
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
|
1041 |
|
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1042 |
static void |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1043 |
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
|
1044 |
{ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1045 |
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
|
1046 |
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
|
1047 |
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
|
1048 |
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
|
1049 |
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
|
1050 |
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
|
1051 |
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
|
1052 |
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
|
1053 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1054 |
} |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1055 |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1056 |
static int |
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
6689
diff
changeset
|
1057 |
zfs_domount(vfs_t *vfsp, char *osname) |
1544 | 1058 |
{ |
1059 |
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
|
1060 |
uint64_t recordsize, fsid_guid; |
1544 | 1061 |
int error = 0; |
1062 |
zfsvfs_t *zfsvfs; |
|
1063 |
||
1064 |
ASSERT(vfsp); |
|
1065 |
ASSERT(osname); |
|
1066 |
||
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
1067 |
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
|
1068 |
if (error) |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1069 |
return (error); |
1544 | 1070 |
zfsvfs->z_vfs = vfsp; |
1071 |
||
1072 |
/* Initialize the generic filesystem structure. */ |
|
1073 |
vfsp->vfs_bcount = 0; |
|
1074 |
vfsp->vfs_data = NULL; |
|
1075 |
||
1076 |
if (zfs_create_unique_device(&mount_dev) == -1) { |
|
1077 |
error = ENODEV; |
|
1078 |
goto out; |
|
1079 |
} |
|
1080 |
ASSERT(vfs_devismounted(mount_dev) == 0); |
|
1081 |
||
1082 |
if (error = dsl_prop_get_integer(osname, "recordsize", &recordsize, |
|
1083 |
NULL)) |
|
1084 |
goto out; |
|
1085 |
||
1086 |
vfsp->vfs_dev = mount_dev; |
|
1087 |
vfsp->vfs_fstype = zfsfstype; |
|
1088 |
vfsp->vfs_bsize = recordsize; |
|
1089 |
vfsp->vfs_flag |= VFS_NOTRUNC; |
|
1090 |
vfsp->vfs_data = zfsvfs; |
|
1091 |
||
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1092 |
/* |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1093 |
* 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
|
1094 |
* 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
|
1095 |
* 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
|
1096 |
* 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
|
1097 |
* 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
|
1098 |
* 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
|
1099 |
*/ |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1100 |
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
|
1101 |
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
|
1102 |
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
|
1103 |
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
|
1104 |
zfsfstype & 0xFF; |
1544 | 1105 |
|
5331 | 1106 |
/* |
1107 |
* Set features for file system. |
|
1108 |
*/ |
|
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
1109 |
zfs_set_fuid_feature(zfsvfs); |
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
1110 |
if (zfsvfs->z_case == ZFS_CASE_INSENSITIVE) { |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
1111 |
vfs_set_feature(vfsp, VFSFT_DIRENTFLAGS); |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
1112 |
vfs_set_feature(vfsp, VFSFT_CASEINSENSITIVE); |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
1113 |
vfs_set_feature(vfsp, VFSFT_NOCASESENSITIVE); |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
1114 |
} else if (zfsvfs->z_case == ZFS_CASE_MIXED) { |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
1115 |
vfs_set_feature(vfsp, VFSFT_DIRENTFLAGS); |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
1116 |
vfs_set_feature(vfsp, VFSFT_CASEINSENSITIVE); |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
1117 |
} |
5331 | 1118 |
|
1544 | 1119 |
if (dmu_objset_is_snapshot(zfsvfs->z_os)) { |
5331 | 1120 |
uint64_t pval; |
3234 | 1121 |
|
1544 | 1122 |
atime_changed_cb(zfsvfs, B_FALSE); |
1123 |
readonly_changed_cb(zfsvfs, B_TRUE); |
|
5331 | 1124 |
if (error = dsl_prop_get_integer(osname, "xattr", &pval, NULL)) |
3234 | 1125 |
goto out; |
5331 | 1126 |
xattr_changed_cb(zfsvfs, pval); |
1544 | 1127 |
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
|
1128 |
|
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
1129 |
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
|
1130 |
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
|
1131 |
mutex_exit(&zfsvfs->z_os->os_user_ptr_lock); |
1544 | 1132 |
} else { |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1133 |
error = zfsvfs_setup(zfsvfs, B_TRUE); |
1544 | 1134 |
} |
1135 |
||
1136 |
if (!zfsvfs->z_issnap) |
|
1137 |
zfsctl_create(zfsvfs); |
|
1138 |
out: |
|
1139 |
if (error) { |
|
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
1140 |
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
|
1141 |
zfsvfs_free(zfsvfs); |
1544 | 1142 |
} else { |
1143 |
atomic_add_32(&zfs_active_fs_count, 1); |
|
1144 |
} |
|
1145 |
||
1146 |
return (error); |
|
1147 |
} |
|
1148 |
||
1149 |
void |
|
1150 |
zfs_unregister_callbacks(zfsvfs_t *zfsvfs) |
|
1151 |
{ |
|
1152 |
objset_t *os = zfsvfs->z_os; |
|
1153 |
struct dsl_dataset *ds; |
|
1154 |
||
1155 |
/* |
|
1156 |
* Unregister properties. |
|
1157 |
*/ |
|
1158 |
if (!dmu_objset_is_snapshot(os)) { |
|
1159 |
ds = dmu_objset_ds(os); |
|
1160 |
VERIFY(dsl_prop_unregister(ds, "atime", atime_changed_cb, |
|
1161 |
zfsvfs) == 0); |
|
1162 |
||
3234 | 1163 |
VERIFY(dsl_prop_unregister(ds, "xattr", xattr_changed_cb, |
1164 |
zfsvfs) == 0); |
|
1165 |
||
1544 | 1166 |
VERIFY(dsl_prop_unregister(ds, "recordsize", blksz_changed_cb, |
1167 |
zfsvfs) == 0); |
|
1168 |
||
1169 |
VERIFY(dsl_prop_unregister(ds, "readonly", readonly_changed_cb, |
|
1170 |
zfsvfs) == 0); |
|
1171 |
||
1172 |
VERIFY(dsl_prop_unregister(ds, "devices", devices_changed_cb, |
|
1173 |
zfsvfs) == 0); |
|
1174 |
||
1175 |
VERIFY(dsl_prop_unregister(ds, "setuid", setuid_changed_cb, |
|
1176 |
zfsvfs) == 0); |
|
1177 |
||
1178 |
VERIFY(dsl_prop_unregister(ds, "exec", exec_changed_cb, |
|
1179 |
zfsvfs) == 0); |
|
1180 |
||
1181 |
VERIFY(dsl_prop_unregister(ds, "snapdir", snapdir_changed_cb, |
|
1182 |
zfsvfs) == 0); |
|
1183 |
||
1184 |
VERIFY(dsl_prop_unregister(ds, "aclmode", acl_mode_changed_cb, |
|
1185 |
zfsvfs) == 0); |
|
1186 |
||
1187 |
VERIFY(dsl_prop_unregister(ds, "aclinherit", |
|
1188 |
acl_inherit_changed_cb, zfsvfs) == 0); |
|
5331 | 1189 |
|
1190 |
VERIFY(dsl_prop_unregister(ds, "vscan", |
|
1191 |
vscan_changed_cb, zfsvfs) == 0); |
|
1544 | 1192 |
} |
1193 |
} |
|
1194 |
||
3912 | 1195 |
/* |
1196 |
* Convert a decimal digit string to a uint64_t integer. |
|
1197 |
*/ |
|
1198 |
static int |
|
1199 |
str_to_uint64(char *str, uint64_t *objnum) |
|
1200 |
{ |
|
1201 |
uint64_t num = 0; |
|
1202 |
||
1203 |
while (*str) { |
|
1204 |
if (*str < '0' || *str > '9') |
|
1205 |
return (EINVAL); |
|
1206 |
||
1207 |
num = num*10 + *str++ - '0'; |
|
1208 |
} |
|
1209 |
||
1210 |
*objnum = num; |
|
1211 |
return (0); |
|
1212 |
} |
|
1213 |
||
1214 |
/* |
|
1215 |
* The boot path passed from the boot loader is in the form of |
|
1216 |
* "rootpool-name/root-filesystem-object-number'. Convert this |
|
1217 |
* string to a dataset name: "rootpool-name/root-filesystem-name". |
|
1218 |
*/ |
|
1219 |
static int |
|
6423 | 1220 |
zfs_parse_bootfs(char *bpath, char *outpath) |
3912 | 1221 |
{ |
1222 |
char *slashp; |
|
1223 |
uint64_t objnum; |
|
1224 |
int error; |
|
1225 |
||
1226 |
if (*bpath == 0 || *bpath == '/') |
|
1227 |
return (EINVAL); |
|
1228 |
||
7656
2621e50fdf4a
PSARC 2008/382 Fast Reboot
Sherry Moore <Sherry.Moore@Sun.COM>
parents:
7638
diff
changeset
|
1229 |
(void) strcpy(outpath, bpath); |
2621e50fdf4a
PSARC 2008/382 Fast Reboot
Sherry Moore <Sherry.Moore@Sun.COM>
parents:
7638
diff
changeset
|
1230 |
|
3912 | 1231 |
slashp = strchr(bpath, '/'); |
1232 |
||
1233 |
/* if no '/', just return the pool name */ |
|
1234 |
if (slashp == NULL) { |
|
1235 |
return (0); |
|
1236 |
} |
|
1237 |
||
7656
2621e50fdf4a
PSARC 2008/382 Fast Reboot
Sherry Moore <Sherry.Moore@Sun.COM>
parents:
7638
diff
changeset
|
1238 |
/* 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
|
1239 |
if (str_to_uint64(slashp+1, &objnum)) { |
2621e50fdf4a
PSARC 2008/382 Fast Reboot
Sherry Moore <Sherry.Moore@Sun.COM>
parents:
7638
diff
changeset
|
1240 |
return (0); |
2621e50fdf4a
PSARC 2008/382 Fast Reboot
Sherry Moore <Sherry.Moore@Sun.COM>
parents:
7638
diff
changeset
|
1241 |
} |
3912 | 1242 |
|
1243 |
*slashp = '\0'; |
|
1244 |
error = dsl_dsobj_to_dsname(bpath, objnum, outpath); |
|
1245 |
*slashp = '/'; |
|
1246 |
||
1247 |
return (error); |
|
1248 |
} |
|
1249 |
||
10972
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1250 |
/* |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1251 |
* zfs_check_global_label: |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1252 |
* 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
|
1253 |
* 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
|
1254 |
* |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1255 |
* 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
|
1256 |
* 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
|
1257 |
* dataset must be readonly. |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1258 |
*/ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1259 |
int |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1260 |
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
|
1261 |
{ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1262 |
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
|
1263 |
return (0); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1264 |
if (strcasecmp(hexsl, ADMIN_HIGH) == 0) |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1265 |
return (0); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1266 |
if (strcasecmp(hexsl, ADMIN_LOW) == 0) { |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1267 |
/* must be readonly */ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1268 |
uint64_t rdonly; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1269 |
|
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1270 |
if (dsl_prop_get_integer(dsname, |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1271 |
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
|
1272 |
return (EACCES); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1273 |
return (rdonly ? 0 : EACCES); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1274 |
} |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1275 |
return (EACCES); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1276 |
} |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1277 |
|
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1278 |
/* |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1279 |
* zfs_mount_label_policy: |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1280 |
* 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
|
1281 |
* 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
|
1282 |
* 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
|
1283 |
* no label, create one. |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1284 |
* |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1285 |
* Returns: |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1286 |
* 0 : access allowed |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1287 |
* >0 : error code, such as EACCES |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1288 |
*/ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1289 |
static int |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1290 |
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
|
1291 |
{ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1292 |
int error, retv; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1293 |
zone_t *mntzone = NULL; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1294 |
ts_label_t *mnt_tsl; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1295 |
bslabel_t *mnt_sl; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1296 |
bslabel_t ds_sl; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1297 |
char ds_hexsl[MAXNAMELEN]; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1298 |
|
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1299 |
retv = EACCES; /* assume the worst */ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1300 |
|
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1301 |
/* |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1302 |
* 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
|
1303 |
*/ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1304 |
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
|
1305 |
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
|
1306 |
if (error) |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1307 |
return (EACCES); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1308 |
|
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1309 |
/* |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1310 |
* 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
|
1311 |
* 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
|
1312 |
* are needed. |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1313 |
*/ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1314 |
if (!is_system_labeled()) { |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1315 |
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
|
1316 |
return (0); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1317 |
return (EACCES); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1318 |
} |
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 |
/* |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1321 |
* 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
|
1322 |
* 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
|
1323 |
* 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
|
1324 |
* 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
|
1325 |
*/ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1326 |
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
|
1327 |
if (mntzone->zone_id == GLOBAL_ZONEID) { |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1328 |
uint64_t zoned; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1329 |
|
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1330 |
zone_rele(mntzone); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1331 |
|
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1332 |
if (dsl_prop_get_integer(osname, |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1333 |
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
|
1334 |
return (EACCES); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1335 |
if (!zoned) |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1336 |
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
|
1337 |
else |
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 |
* 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
|
1340 |
* 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
|
1341 |
* allow this mount into global zone. |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1342 |
*/ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1343 |
return (0); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1344 |
} |
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 |
mnt_tsl = mntzone->zone_slabel; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1347 |
ASSERT(mnt_tsl != NULL); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1348 |
label_hold(mnt_tsl); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1349 |
mnt_sl = label2bslabel(mnt_tsl); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1350 |
|
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1351 |
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
|
1352 |
/* |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1353 |
* 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
|
1354 |
*/ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1355 |
char *str = NULL; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1356 |
|
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1357 |
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
|
1358 |
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
|
1359 |
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
|
1360 |
retv = 0; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1361 |
if (str != NULL) |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1362 |
kmem_free(str, strlen(str) + 1); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1363 |
} 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
|
1364 |
/* |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1365 |
* 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
|
1366 |
* 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
|
1367 |
* 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
|
1368 |
* Otherwise, access is denied. |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1369 |
*/ |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1370 |
if (blequal(mnt_sl, &ds_sl)) |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1371 |
retv = 0; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1372 |
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
|
1373 |
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
|
1374 |
retv = 0; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1375 |
} |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1376 |
} |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1377 |
|
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1378 |
label_rele(mnt_tsl); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1379 |
zone_rele(mntzone); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1380 |
return (retv); |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1381 |
} |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1382 |
|
1544 | 1383 |
static int |
1384 |
zfs_mountroot(vfs_t *vfsp, enum whymountroot why) |
|
1385 |
{ |
|
1386 |
int error = 0; |
|
1387 |
static int zfsrootdone = 0; |
|
1388 |
zfsvfs_t *zfsvfs = NULL; |
|
1389 |
znode_t *zp = NULL; |
|
1390 |
vnode_t *vp = NULL; |
|
6423 | 1391 |
char *zfs_bootfs; |
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1392 |
char *zfs_devid; |
1544 | 1393 |
|
1394 |
ASSERT(vfsp); |
|
1395 |
||
1396 |
/* |
|
3912 | 1397 |
* The filesystem that we mount as root is defined in the |
6423 | 1398 |
* boot property "zfs-bootfs" with a format of |
1399 |
* "poolname/root-dataset-objnum". |
|
1544 | 1400 |
*/ |
1401 |
if (why == ROOT_INIT) { |
|
1402 |
if (zfsrootdone++) |
|
1403 |
return (EBUSY); |
|
6423 | 1404 |
/* |
1405 |
* the process of doing a spa_load will require the |
|
1406 |
* clock to be set before we could (for example) do |
|
1407 |
* something better by looking at the timestamp on |
|
1408 |
* an uberblock, so just set it to -1. |
|
1409 |
*/ |
|
1410 |
clkset(-1); |
|
1544 | 1411 |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1412 |
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
|
1413 |
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
|
1414 |
"bootfs name"); |
6423 | 1415 |
return (EINVAL); |
5648 | 1416 |
} |
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1417 |
zfs_devid = spa_get_bootprop("diskdevid"); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1418 |
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
|
1419 |
if (zfs_devid) |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1420 |
spa_free_bootprop(zfs_devid); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1421 |
if (error) { |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1422 |
spa_free_bootprop(zfs_bootfs); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1423 |
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
|
1424 |
error); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1425 |
return (error); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1426 |
} |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1427 |
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
|
1428 |
spa_free_bootprop(zfs_bootfs); |
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1429 |
cmn_err(CE_NOTE, "zfs_parse_bootfs: error %d", |
6423 | 1430 |
error); |
1431 |
return (error); |
|
1432 |
} |
|
3912 | 1433 |
|
7147
1e1d75c88283
6704717 ZFS mirrored root doesn't live up to expectations
taylor
parents:
7046
diff
changeset
|
1434 |
spa_free_bootprop(zfs_bootfs); |
1544 | 1435 |
|
1436 |
if (error = vfs_lock(vfsp)) |
|
1437 |
return (error); |
|
1438 |
||
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
6689
diff
changeset
|
1439 |
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
|
1440 |
cmn_err(CE_NOTE, "zfs_domount: error %d", error); |
1544 | 1441 |
goto out; |
6423 | 1442 |
} |
1544 | 1443 |
|
1444 |
zfsvfs = (zfsvfs_t *)vfsp->vfs_data; |
|
1445 |
ASSERT(zfsvfs); |
|
6423 | 1446 |
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
|
1447 |
cmn_err(CE_NOTE, "zfs_zget: error %d", error); |
1544 | 1448 |
goto out; |
6423 | 1449 |
} |
1544 | 1450 |
|
1451 |
vp = ZTOV(zp); |
|
1452 |
mutex_enter(&vp->v_lock); |
|
1453 |
vp->v_flag |= VROOT; |
|
1454 |
mutex_exit(&vp->v_lock); |
|
1455 |
rootvp = vp; |
|
1456 |
||
1457 |
/* |
|
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
|
1458 |
* Leave rootvp held. The root file system is never unmounted. |
1544 | 1459 |
*/ |
1460 |
||
1461 |
vfs_add((struct vnode *)0, vfsp, |
|
1462 |
(vfsp->vfs_flag & VFS_RDONLY) ? MS_RDONLY : 0); |
|
1463 |
out: |
|
1464 |
vfs_unlock(vfsp); |
|
6423 | 1465 |
return (error); |
1544 | 1466 |
} else if (why == ROOT_REMOUNT) { |
1467 |
readonly_changed_cb(vfsp->vfs_data, B_FALSE); |
|
1468 |
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
|
1469 |
|
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
1470 |
/* refresh mount options */ |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
1471 |
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
|
1472 |
return (zfs_register_callbacks(vfsp)); |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
1473 |
|
1544 | 1474 |
} else if (why == ROOT_UNMOUNT) { |
1475 |
zfs_unregister_callbacks((zfsvfs_t *)vfsp->vfs_data); |
|
1476 |
(void) zfs_sync(vfsp, 0, 0); |
|
1477 |
return (0); |
|
1478 |
} |
|
1479 |
||
1480 |
/* |
|
1481 |
* if "why" is equal to anything else other than ROOT_INIT, |
|
1482 |
* ROOT_REMOUNT, or ROOT_UNMOUNT, we do not support it. |
|
1483 |
*/ |
|
1484 |
return (ENOTSUP); |
|
1485 |
} |
|
1486 |
||
789 | 1487 |
/*ARGSUSED*/ |
1488 |
static int |
|
1489 |
zfs_mount(vfs_t *vfsp, vnode_t *mvp, struct mounta *uap, cred_t *cr) |
|
1490 |
{ |
|
1491 |
char *osname; |
|
1492 |
pathname_t spn; |
|
1493 |
int error = 0; |
|
1494 |
uio_seg_t fromspace = (uap->flags & MS_SYSSPACE) ? |
|
3912 | 1495 |
UIO_SYSSPACE : UIO_USERSPACE; |
789 | 1496 |
int canwrite; |
1497 |
||
1498 |
if (mvp->v_type != VDIR) |
|
1499 |
return (ENOTDIR); |
|
1500 |
||
1501 |
mutex_enter(&mvp->v_lock); |
|
1502 |
if ((uap->flags & MS_REMOUNT) == 0 && |
|
1503 |
(uap->flags & MS_OVERLAY) == 0 && |
|
1504 |
(mvp->v_count != 1 || (mvp->v_flag & VROOT))) { |
|
1505 |
mutex_exit(&mvp->v_lock); |
|
1506 |
return (EBUSY); |
|
1507 |
} |
|
1508 |
mutex_exit(&mvp->v_lock); |
|
1509 |
||
1510 |
/* |
|
1511 |
* ZFS does not support passing unparsed data in via MS_DATA. |
|
1512 |
* Users should use the MS_OPTIONSTR interface; this means |
|
1513 |
* that all option parsing is already done and the options struct |
|
1514 |
* can be interrogated. |
|
1515 |
*/ |
|
1516 |
if ((uap->flags & MS_DATA) && uap->datalen > 0) |
|
1517 |
return (EINVAL); |
|
1518 |
||
1519 |
/* |
|
1520 |
* Get the objset name (the "special" mount argument). |
|
1521 |
*/ |
|
1522 |
if (error = pn_get(uap->spec, fromspace, &spn)) |
|
1523 |
return (error); |
|
1524 |
||
1525 |
osname = spn.pn_path; |
|
1526 |
||
4543 | 1527 |
/* |
1528 |
* Check for mount privilege? |
|
1529 |
* |
|
1530 |
* If we don't have privilege then see if |
|
1531 |
* we have local permission to allow it |
|
1532 |
*/ |
|
1533 |
error = secpolicy_fs_mount(cr, mvp, vfsp); |
|
1534 |
if (error) { |
|
1535 |
error = dsl_deleg_access(osname, ZFS_DELEG_PERM_MOUNT, cr); |
|
1536 |
if (error == 0) { |
|
1537 |
vattr_t vattr; |
|
1538 |
||
1539 |
/* |
|
1540 |
* Make sure user is the owner of the mount point |
|
1541 |
* or has sufficient privileges. |
|
1542 |
*/ |
|
1543 |
||
1544 |
vattr.va_mask = AT_UID; |
|
1545 |
||
5331 | 1546 |
if (error = VOP_GETATTR(mvp, &vattr, 0, cr, NULL)) { |
4543 | 1547 |
goto out; |
1548 |
} |
|
1549 |
||
5489
25bfaf065197
6601830 mismatch between zfs_mount() behavior and comment
marks
parents:
5446
diff
changeset
|
1550 |
if (secpolicy_vnode_owner(cr, vattr.va_uid) != 0 && |
25bfaf065197
6601830 mismatch between zfs_mount() behavior and comment
marks
parents:
5446
diff
changeset
|
1551 |
VOP_ACCESS(mvp, VWRITE, 0, cr, NULL) != 0) { |
25bfaf065197
6601830 mismatch between zfs_mount() behavior and comment
marks
parents:
5446
diff
changeset
|
1552 |
error = EPERM; |
4543 | 1553 |
goto out; |
1554 |
} |
|
1555 |
||
1556 |
secpolicy_fs_mount_clearopts(cr, vfsp); |
|
1557 |
} else { |
|
1558 |
goto out; |
|
1559 |
} |
|
1560 |
} |
|
789 | 1561 |
|
1562 |
/* |
|
1563 |
* Refuse to mount a filesystem if we are in a local zone and the |
|
1564 |
* dataset is not visible. |
|
1565 |
*/ |
|
1566 |
if (!INGLOBALZONE(curproc) && |
|
1567 |
(!zone_dataset_visible(osname, &canwrite) || !canwrite)) { |
|
1568 |
error = EPERM; |
|
1569 |
goto out; |
|
1570 |
} |
|
1571 |
||
10972
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1572 |
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
|
1573 |
if (error) |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1574 |
goto out; |
807794d41b3a
PSARC 2009/348 Security Labels for ZFS
Ric Aleshire <Ric.Aleshire@Sun.COM>
parents:
10793
diff
changeset
|
1575 |
|
4596
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
1576 |
/* |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
1577 |
* 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
|
1578 |
* 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
|
1579 |
*/ |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
1580 |
if (uap->flags & MS_REMOUNT) { |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
1581 |
/* refresh mount options */ |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
1582 |
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
|
1583 |
error = zfs_register_callbacks(vfsp); |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
1584 |
goto out; |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
1585 |
} |
3aa6e3b5dfca
6561658 xattrs aren't enabled on zfs root filesystem, weirdness with mount output
lling
parents:
4577
diff
changeset
|
1586 |
|
7046
361307ae060d
6343667 scrub/resilver has to start over when a snapshot is taken
ahrens
parents:
6689
diff
changeset
|
1587 |
error = zfs_domount(vfsp, osname); |
789 | 1588 |
|
9214
8d350e5d04aa
6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy
Chris Kirby <chris.kirby@sun.com>
parents:
9179
diff
changeset
|
1589 |
/* |
8d350e5d04aa
6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy
Chris Kirby <chris.kirby@sun.com>
parents:
9179
diff
changeset
|
1590 |
* 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
|
1591 |
* 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
|
1592 |
*/ |
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
|
1593 |
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
|
1594 |
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
|
1595 |
|
789 | 1596 |
out: |
1597 |
pn_free(&spn); |
|
1598 |
return (error); |
|
1599 |
} |
|
1600 |
||
1601 |
static int |
|
1602 |
zfs_statvfs(vfs_t *vfsp, struct statvfs64 *statp) |
|
1603 |
{ |
|
1604 |
zfsvfs_t *zfsvfs = vfsp->vfs_data; |
|
1605 |
dev32_t d32; |
|
2885 | 1606 |
uint64_t refdbytes, availbytes, usedobjs, availobjs; |
789 | 1607 |
|
1608 |
ZFS_ENTER(zfsvfs); |
|
1609 |
||
2885 | 1610 |
dmu_objset_space(zfsvfs->z_os, |
1611 |
&refdbytes, &availbytes, &usedobjs, &availobjs); |
|
789 | 1612 |
|
1613 |
/* |
|
1614 |
* The underlying storage pool actually uses multiple block sizes. |
|
1615 |
* We report the fragsize as the smallest block size we support, |
|
1616 |
* and we report our blocksize as the filesystem's maximum blocksize. |
|
1617 |
*/ |
|
1618 |
statp->f_frsize = 1UL << SPA_MINBLOCKSHIFT; |
|
1619 |
statp->f_bsize = zfsvfs->z_max_blksz; |
|
1620 |
||
1621 |
/* |
|
1622 |
* The following report "total" blocks of various kinds in the |
|
1623 |
* file system, but reported in terms of f_frsize - the |
|
1624 |
* "fragment" size. |
|
1625 |
*/ |
|
1626 |
||
2885 | 1627 |
statp->f_blocks = (refdbytes + availbytes) >> SPA_MINBLOCKSHIFT; |
1628 |
statp->f_bfree = availbytes >> SPA_MINBLOCKSHIFT; |
|
789 | 1629 |
statp->f_bavail = statp->f_bfree; /* no root reservation */ |
1630 |
||
1631 |
/* |
|
1632 |
* statvfs() should really be called statufs(), because it assumes |
|
1633 |
* static metadata. ZFS doesn't preallocate files, so the best |
|
1634 |
* we can do is report the max that could possibly fit in f_files, |
|
1635 |
* and that minus the number actually used in f_ffree. |
|
1636 |
* For f_ffree, report the smaller of the number of object available |
|
1637 |
* and the number of blocks (each object will take at least a block). |
|
1638 |
*/ |
|
2885 | 1639 |
statp->f_ffree = MIN(availobjs, statp->f_bfree); |
789 | 1640 |
statp->f_favail = statp->f_ffree; /* no "root reservation" */ |
2885 | 1641 |
statp->f_files = statp->f_ffree + usedobjs; |
789 | 1642 |
|
1643 |
(void) cmpldev(&d32, vfsp->vfs_dev); |
|
1644 |
statp->f_fsid = d32; |
|
1645 |
||
1646 |
/* |
|
1647 |
* We're a zfs filesystem. |
|
1648 |
*/ |
|
1649 |
(void) strcpy(statp->f_basetype, vfssw[vfsp->vfs_fstype].vsw_name); |
|
1650 |
||
1123
02a0390fbc7d
6363529 UNIX03/UNIX98 *vsx* CAPI.os/files/fstatvfs/T.fstatvfs 11 FAILS
marks
parents:
849
diff
changeset
|
1651 |
statp->f_flag = vf_to_stf(vfsp->vfs_flag); |
789 | 1652 |
|
1653 |
statp->f_namemax = ZFS_MAXNAMELEN; |
|
1654 |
||
1655 |
/* |
|
1656 |
* We have all of 32 characters to stuff a string here. |
|
1657 |
* Is there anything useful we could/should provide? |
|
1658 |
*/ |
|
1659 |
bzero(statp->f_fstr, sizeof (statp->f_fstr)); |
|
1660 |
||
1661 |
ZFS_EXIT(zfsvfs); |
|
1662 |
return (0); |
|
1663 |
} |
|
1664 |
||
1665 |
static int |
|
1666 |
zfs_root(vfs_t *vfsp, vnode_t **vpp) |
|
1667 |
{ |
|
1668 |
zfsvfs_t *zfsvfs = vfsp->vfs_data; |
|
1669 |
znode_t *rootzp; |
|
1670 |
int error; |
|
1671 |
||
1672 |
ZFS_ENTER(zfsvfs); |
|
1673 |
||
1674 |
error = zfs_zget(zfsvfs, zfsvfs->z_root, &rootzp); |
|
1675 |
if (error == 0) |
|
1676 |
*vpp = ZTOV(rootzp); |
|
1677 |
||
1678 |
ZFS_EXIT(zfsvfs); |
|
1679 |
return (error); |
|
1680 |
} |
|
1681 |
||
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1682 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1683 |
* Teardown the zfsvfs::z_os. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1684 |
* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1685 |
* 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
|
1686 |
* and 'z_teardown_inactive_lock' held. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1687 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1688 |
static int |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1689 |
zfsvfs_teardown(zfsvfs_t *zfsvfs, boolean_t unmounting) |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1690 |
{ |
5642
504c84876fda
6513209 Destroying pools under stress caused a hang in arc_flush
maybee
parents:
5498
diff
changeset
|
1691 |
znode_t *zp; |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1692 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1693 |
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
|
1694 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1695 |
if (!unmounting) { |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1696 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1697 |
* 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
|
1698 |
* 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
|
1699 |
* 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
|
1700 |
* 'z_parent' is self referential for non-snapshots. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1701 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1702 |
(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
|
1703 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1704 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1705 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1706 |
* 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
|
1707 |
* 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
|
1708 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1709 |
if (zfsvfs->z_log) { |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1710 |
zil_close(zfsvfs->z_log); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1711 |
zfsvfs->z_log = NULL; |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1712 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1713 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1714 |
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
|
1715 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1716 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1717 |
* 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
|
1718 |
* 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
|
1719 |
* 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
|
1720 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1721 |
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
|
1722 |
rw_exit(&zfsvfs->z_teardown_inactive_lock); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1723 |
rrw_exit(&zfsvfs->z_teardown_lock, FTAG); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1724 |
return (EIO); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1725 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1726 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1727 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1728 |
* 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
|
1729 |
* 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
|
1730 |
* relavent for forced unmount). |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1731 |
* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1732 |
* Release all holds on dbufs. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1733 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1734 |
mutex_enter(&zfsvfs->z_znodes_lock); |
5642
504c84876fda
6513209 Destroying pools under stress caused a hang in arc_flush
maybee
parents:
5498
diff
changeset
|
1735 |
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
|
1736 |
zp = list_next(&zfsvfs->z_all_znodes, zp)) |
5446 | 1737 |
if (zp->z_dbuf) { |
5642
504c84876fda
6513209 Destroying pools under stress caused a hang in arc_flush
maybee
parents:
5498
diff
changeset
|
1738 |
ASSERT(ZTOV(zp)->v_count > 0); |
504c84876fda
6513209 Destroying pools under stress caused a hang in arc_flush
maybee
parents:
5498
diff
changeset
|
1739 |
zfs_znode_dmu_fini(zp); |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1740 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1741 |
mutex_exit(&zfsvfs->z_znodes_lock); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1742 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1743 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1744 |
* If 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
|
1745 |
* 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
|
1746 |
* other vops will fail with EIO. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1747 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1748 |
if (unmounting) { |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1749 |
zfsvfs->z_unmounted = B_TRUE; |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1750 |
rrw_exit(&zfsvfs->z_teardown_lock, FTAG); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1751 |
rw_exit(&zfsvfs->z_teardown_inactive_lock); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1752 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1753 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1754 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1755 |
* 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
|
1756 |
* 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
|
1757 |
* unregistered and cached data had been evicted before. |
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 |
if (zfsvfs->z_os == NULL) |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1760 |
return (0); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1761 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1762 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1763 |
* Unregister properties. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1764 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1765 |
zfs_unregister_callbacks(zfsvfs); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1766 |
|
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 |
* Evict cached data |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1769 |
*/ |
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
|
1770 |
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
|
1771 |
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
|
1772 |
(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
|
1773 |
} |
5326
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 |
return (0); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1776 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1777 |
|
789 | 1778 |
/*ARGSUSED*/ |
1779 |
static int |
|
1780 |
zfs_umount(vfs_t *vfsp, int fflag, cred_t *cr) |
|
1781 |
{ |
|
1782 |
zfsvfs_t *zfsvfs = vfsp->vfs_data; |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1783 |
objset_t *os; |
789 | 1784 |
int ret; |
1785 |
||
4543 | 1786 |
ret = secpolicy_fs_unmount(cr, vfsp); |
1787 |
if (ret) { |
|
1788 |
ret = dsl_deleg_access((char *)refstr_value(vfsp->vfs_resource), |
|
1789 |
ZFS_DELEG_PERM_MOUNT, cr); |
|
1790 |
if (ret) |
|
1791 |
return (ret); |
|
1792 |
} |
|
1484
d330e98f8ed7
6350001 ZFS lookup performance still much slower than UFS : help tar : help spec SFS
ek110237
parents:
1298
diff
changeset
|
1793 |
|
4736
f8714efb3e12
6509628 unmount of a snapshot (from 'zfs destroy') is slow
ek110237
parents:
4614
diff
changeset
|
1794 |
/* |
f8714efb3e12
6509628 unmount of a snapshot (from 'zfs destroy') is slow
ek110237
parents:
4614
diff
changeset
|
1795 |
* 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
|
1796 |
* 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
|
1797 |
* 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
|
1798 |
* referential for non-snapshots. |
f8714efb3e12
6509628 unmount of a snapshot (from 'zfs destroy') is slow
ek110237
parents:
4614
diff
changeset
|
1799 |
*/ |
f8714efb3e12
6509628 unmount of a snapshot (from 'zfs destroy') is slow
ek110237
parents:
4614
diff
changeset
|
1800 |
(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
|
1801 |
|
789 | 1802 |
/* |
1803 |
* Unmount any snapshots mounted under .zfs before unmounting the |
|
1804 |
* dataset itself. |
|
1805 |
*/ |
|
1806 |
if (zfsvfs->z_ctldir != NULL && |
|
4543 | 1807 |
(ret = zfsctl_umount_snapshots(vfsp, fflag, cr)) != 0) { |
789 | 1808 |
return (ret); |
4543 | 1809 |
} |
789 | 1810 |
|
4787 | 1811 |
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
|
1812 |
/* |
4787 | 1813 |
* Check the number of active vnodes in the file system. |
1814 |
* Our count is maintained in the vfs structure, but the |
|
1815 |
* number is off by 1 to indicate a hold on the vfs |
|
1816 |
* structure itself. |
|
1817 |
* |
|
1818 |
* The '.zfs' directory maintains a reference of its |
|
1819 |
* own, and any active references underneath are |
|
1820 |
* reflected in the vnode count. |
|
789 | 1821 |
*/ |
4787 | 1822 |
if (zfsvfs->z_ctldir == NULL) { |
1823 |
if (vfsp->vfs_count > 1) |
|
1824 |
return (EBUSY); |
|
1825 |
} else { |
|
1826 |
if (vfsp->vfs_count > 2 || |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1827 |
zfsvfs->z_ctldir->v_count > 1) |
4787 | 1828 |
return (EBUSY); |
789 | 1829 |
} |
1830 |
} |
|
1831 |
||
1832 |
vfsp->vfs_flag |= VFS_UNMOUNTED; |
|
4787 | 1833 |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1834 |
VERIFY(zfsvfs_teardown(zfsvfs, B_TRUE) == 0); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1835 |
os = zfsvfs->z_os; |
4787 | 1836 |
|
1837 |
/* |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1838 |
* 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
|
1839 |
* attempting to reopen zfsvfs. |
4787 | 1840 |
*/ |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1841 |
if (os != NULL) { |
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 |
* Unset the objset user_ptr. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1844 |
*/ |
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
1845 |
mutex_enter(&os->os_user_ptr_lock); |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1846 |
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
|
1847 |
mutex_exit(&os->os_user_ptr_lock); |
4787 | 1848 |
|
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1849 |
/* |
6689
47572a2f5e73
6610506 Eliminate or improve retry logic from callers of dmu_objset_open()
maybee
parents:
6570
diff
changeset
|
1850 |
* Finally release the objset |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1851 |
*/ |
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
1852 |
dmu_objset_disown(os, zfsvfs); |
4787 | 1853 |
} |
1854 |
||
1855 |
/* |
|
1856 |
* We can now safely destroy the '.zfs' directory node. |
|
1857 |
*/ |
|
1858 |
if (zfsvfs->z_ctldir != NULL) |
|
1859 |
zfsctl_destroy(zfsvfs); |
|
789 | 1860 |
|
1861 |
return (0); |
|
1862 |
} |
|
1863 |
||
1864 |
static int |
|
1865 |
zfs_vget(vfs_t *vfsp, vnode_t **vpp, fid_t *fidp) |
|
1866 |
{ |
|
1867 |
zfsvfs_t *zfsvfs = vfsp->vfs_data; |
|
1868 |
znode_t *zp; |
|
1869 |
uint64_t object = 0; |
|
1870 |
uint64_t fid_gen = 0; |
|
1871 |
uint64_t gen_mask; |
|
1872 |
uint64_t zp_gen; |
|
1873 |
int i, err; |
|
1874 |
||
1875 |
*vpp = NULL; |
|
1876 |
||
1877 |
ZFS_ENTER(zfsvfs); |
|
1878 |
||
1879 |
if (fidp->fid_len == LONG_FID_LEN) { |
|
1880 |
zfid_long_t *zlfid = (zfid_long_t *)fidp; |
|
1881 |
uint64_t objsetid = 0; |
|
1882 |
uint64_t setgen = 0; |
|
1883 |
||
1884 |
for (i = 0; i < sizeof (zlfid->zf_setid); i++) |
|
1885 |
objsetid |= ((uint64_t)zlfid->zf_setid[i]) << (8 * i); |
|
1886 |
||
1887 |
for (i = 0; i < sizeof (zlfid->zf_setgen); i++) |
|
1888 |
setgen |= ((uint64_t)zlfid->zf_setgen[i]) << (8 * i); |
|
1889 |
||
1890 |
ZFS_EXIT(zfsvfs); |
|
1891 |
||
1892 |
err = zfsctl_lookup_objset(vfsp, objsetid, &zfsvfs); |
|
1893 |
if (err) |
|
1894 |
return (EINVAL); |
|
1895 |
ZFS_ENTER(zfsvfs); |
|
1896 |
} |
|
1897 |
||
1898 |
if (fidp->fid_len == SHORT_FID_LEN || fidp->fid_len == LONG_FID_LEN) { |
|
1899 |
zfid_short_t *zfid = (zfid_short_t *)fidp; |
|
1900 |
||
1901 |
for (i = 0; i < sizeof (zfid->zf_object); i++) |
|
1902 |
object |= ((uint64_t)zfid->zf_object[i]) << (8 * i); |
|
1903 |
||
1904 |
for (i = 0; i < sizeof (zfid->zf_gen); i++) |
|
1905 |
fid_gen |= ((uint64_t)zfid->zf_gen[i]) << (8 * i); |
|
1906 |
} else { |
|
1907 |
ZFS_EXIT(zfsvfs); |
|
1908 |
return (EINVAL); |
|
1909 |
} |
|
1910 |
||
1911 |
/* A zero fid_gen means we are in the .zfs control directories */ |
|
1912 |
if (fid_gen == 0 && |
|
1913 |
(object == ZFSCTL_INO_ROOT || object == ZFSCTL_INO_SNAPDIR)) { |
|
1914 |
*vpp = zfsvfs->z_ctldir; |
|
1915 |
ASSERT(*vpp != NULL); |
|
1916 |
if (object == ZFSCTL_INO_SNAPDIR) { |
|
1917 |
VERIFY(zfsctl_root_lookup(*vpp, "snapshot", vpp, NULL, |
|
5331 | 1918 |
0, NULL, NULL, NULL, NULL, NULL) == 0); |
789 | 1919 |
} else { |
1920 |
VN_HOLD(*vpp); |
|
1921 |
} |
|
1922 |
ZFS_EXIT(zfsvfs); |
|
1923 |
return (0); |
|
1924 |
} |
|
1925 |
||
1926 |
gen_mask = -1ULL >> (64 - 8 * i); |
|
1927 |
||
1928 |
dprintf("getting %llu [%u mask %llx]\n", object, fid_gen, gen_mask); |
|
1929 |
if (err = zfs_zget(zfsvfs, object, &zp)) { |
|
1930 |
ZFS_EXIT(zfsvfs); |
|
1931 |
return (err); |
|
1932 |
} |
|
1933 |
zp_gen = zp->z_phys->zp_gen & gen_mask; |
|
1934 |
if (zp_gen == 0) |
|
1935 |
zp_gen = 1; |
|
3461 | 1936 |
if (zp->z_unlinked || zp_gen != fid_gen) { |
789 | 1937 |
dprintf("znode gen (%u) != fid gen (%u)\n", zp_gen, fid_gen); |
1938 |
VN_RELE(ZTOV(zp)); |
|
1939 |
ZFS_EXIT(zfsvfs); |
|
1940 |
return (EINVAL); |
|
1941 |
} |
|
1942 |
||
1943 |
*vpp = ZTOV(zp); |
|
1944 |
ZFS_EXIT(zfsvfs); |
|
1945 |
return (0); |
|
1946 |
} |
|
1947 |
||
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1948 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1949 |
* 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
|
1950 |
* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1951 |
* 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
|
1952 |
* 'z_teardown_inactive_lock' write held. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1953 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1954 |
int |
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
1955 |
zfs_suspend_fs(zfsvfs_t *zfsvfs) |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1956 |
{ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1957 |
int error; |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1958 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1959 |
if ((error = zfsvfs_teardown(zfsvfs, B_FALSE)) != 0) |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1960 |
return (error); |
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
1961 |
dmu_objset_disown(zfsvfs->z_os, zfsvfs); |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1962 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1963 |
return (0); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1964 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1965 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1966 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1967 |
* Reopen zfsvfs_t::z_os and release VOPs. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1968 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1969 |
int |
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
1970 |
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
|
1971 |
{ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1972 |
int err; |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1973 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1974 |
ASSERT(RRW_WRITE_HELD(&zfsvfs->z_teardown_lock)); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1975 |
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
|
1976 |
|
10298
a0d52501437c
6860996 %temporary clones are not automatically destroyed on error
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
10204
diff
changeset
|
1977 |
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
|
1978 |
&zfsvfs->z_os); |
5326
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1979 |
if (err) { |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1980 |
zfsvfs->z_os = NULL; |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1981 |
} else { |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1982 |
znode_t *zp; |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1983 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1984 |
VERIFY(zfsvfs_setup(zfsvfs, B_FALSE) == 0); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1985 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1986 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1987 |
* 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
|
1988 |
* 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
|
1989 |
* 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
|
1990 |
* when they try to use their znode. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1991 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1992 |
mutex_enter(&zfsvfs->z_znodes_lock); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1993 |
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
|
1994 |
zp = list_next(&zfsvfs->z_all_znodes, zp)) { |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1995 |
(void) zfs_rezget(zp); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1996 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1997 |
mutex_exit(&zfsvfs->z_znodes_lock); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1998 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
1999 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2000 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2001 |
/* release the VOPs */ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2002 |
rw_exit(&zfsvfs->z_teardown_inactive_lock); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2003 |
rrw_exit(&zfsvfs->z_teardown_lock, FTAG); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2004 |
|
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2005 |
if (err) { |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2006 |
/* |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2007 |
* 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
|
2008 |
* unmount this file system. |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2009 |
*/ |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2010 |
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
|
2011 |
(void) dounmount(zfsvfs->z_vfs, MS_FORCE, CRED()); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2012 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2013 |
return (err); |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2014 |
} |
6752aa2bd5bc
6425096 want online 'zfs recv' (read only and read/write)
ek110237
parents:
5147
diff
changeset
|
2015 |
|
789 | 2016 |
static void |
2017 |
zfs_freevfs(vfs_t *vfsp) |
|
2018 |
{ |
|
2019 |
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
|
2020 |
|
8d350e5d04aa
6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy
Chris Kirby <chris.kirby@sun.com>
parents:
9179
diff
changeset
|
2021 |
/* |
8d350e5d04aa
6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy
Chris Kirby <chris.kirby@sun.com>
parents:
9179
diff
changeset
|
2022 |
* If this is a snapshot, we have an extra VFS_HOLD on our parent |
8d350e5d04aa
6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy
Chris Kirby <chris.kirby@sun.com>
parents:
9179
diff
changeset
|
2023 |
* from zfs_mount(). Release it here. |
8d350e5d04aa
6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy
Chris Kirby <chris.kirby@sun.com>
parents:
9179
diff
changeset
|
2024 |
*/ |
8d350e5d04aa
6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy
Chris Kirby <chris.kirby@sun.com>
parents:
9179
diff
changeset
|
2025 |
if (zfsvfs->z_issnap) |
8d350e5d04aa
6604992 forced unmount + being in .zfs/snapshot/<snap1> = not happy
Chris Kirby <chris.kirby@sun.com>
parents:
9179
diff
changeset
|
2026 |
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
|
2027 |
|
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2028 |
zfsvfs_free(zfsvfs); |
789 | 2029 |
|
2030 |
atomic_add_32(&zfs_active_fs_count, -1); |
|
2031 |
} |
|
2032 |
||
2033 |
/* |
|
2034 |
* VFS_INIT() initialization. Note that there is no VFS_FINI(), |
|
2035 |
* so we can't safely do any non-idempotent initialization here. |
|
2036 |
* Leave that to zfs_init() and zfs_fini(), which are called |
|
2037 |
* from the module's _init() and _fini() entry points. |
|
2038 |
*/ |
|
2039 |
/*ARGSUSED*/ |
|
2040 |
static int |
|
2041 |
zfs_vfsinit(int fstype, char *name) |
|
2042 |
{ |
|
2043 |
int error; |
|
2044 |
||
2045 |
zfsfstype = fstype; |
|
2046 |
||
2047 |
/* |
|
2048 |
* Setup vfsops and vnodeops tables. |
|
2049 |
*/ |
|
2050 |
error = vfs_setfsops(fstype, zfs_vfsops_template, &zfs_vfsops); |
|
2051 |
if (error != 0) { |
|
2052 |
cmn_err(CE_WARN, "zfs: bad vfs ops template"); |
|
2053 |
} |
|
2054 |
||
2055 |
error = zfs_create_op_tables(); |
|
2056 |
if (error) { |
|
2057 |
zfs_remove_op_tables(); |
|
2058 |
cmn_err(CE_WARN, "zfs: bad vnode ops template"); |
|
2059 |
(void) vfs_freevfsops_by_type(zfsfstype); |
|
2060 |
return (error); |
|
2061 |
} |
|
2062 |
||
2063 |
mutex_init(&zfs_dev_mtx, NULL, MUTEX_DEFAULT, NULL); |
|
2064 |
||
2065 |
/* |
|
849
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2066 |
* Unique major number for all zfs mounts. |
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2067 |
* If we run out of 32-bit minors, we'll getudev() another major. |
789 | 2068 |
*/ |
849
8d799fd81a9b
6345023 /dev/zfs fails to open once ZFS module is unloaded
bonwick
parents:
789
diff
changeset
|
2069 |
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
|
2070 |
zfs_minor = ZFS_MIN_MINOR; |
789 | 2071 |
|
2072 |
return (0); |
|
2073 |
} |
|
2074 |
||
2075 |
void |
|
2076 |
zfs_init(void) |
|
2077 |
{ |
|
2078 |
/* |
|
2079 |
* Initialize .zfs directory structures |
|
2080 |
*/ |
|
2081 |
zfsctl_init(); |
|
2082 |
||
2083 |
/* |
|
2084 |
* Initialize znode cache, vnode ops, etc... |
|
2085 |
*/ |
|
2086 |
zfs_znode_init(); |
|
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2087 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2088 |
dmu_objset_register_type(DMU_OST_ZFS, zfs_space_delta_cb); |
789 | 2089 |
} |
2090 |
||
2091 |
void |
|
2092 |
zfs_fini(void) |
|
2093 |
{ |
|
2094 |
zfsctl_fini(); |
|
2095 |
zfs_znode_fini(); |
|
2096 |
} |
|
2097 |
||
2098 |
int |
|
2099 |
zfs_busy(void) |
|
2100 |
{ |
|
2101 |
return (zfs_active_fs_count != 0); |
|
2102 |
} |
|
2103 |
||
4577 | 2104 |
int |
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2105 |
zfs_set_version(zfsvfs_t *zfsvfs, uint64_t newvers) |
4577 | 2106 |
{ |
2107 |
int error; |
|
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2108 |
objset_t *os = zfsvfs->z_os; |
4577 | 2109 |
dmu_tx_t *tx; |
2110 |
||
2111 |
if (newvers < ZPL_VERSION_INITIAL || newvers > ZPL_VERSION) |
|
2112 |
return (EINVAL); |
|
2113 |
||
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2114 |
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
|
2115 |
return (EINVAL); |
4577 | 2116 |
|
2117 |
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
|
2118 |
dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, B_FALSE, ZPL_VERSION_STR); |
4577 | 2119 |
error = dmu_tx_assign(tx, TXG_WAIT); |
2120 |
if (error) { |
|
2121 |
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
|
2122 |
return (error); |
4577 | 2123 |
} |
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2124 |
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
|
2125 |
8, 1, &newvers, tx); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2126 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2127 |
if (error) { |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2128 |
dmu_tx_commit(tx); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2129 |
return (error); |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2130 |
} |
4577 | 2131 |
|
2132 |
spa_history_internal_log(LOG_DS_UPGRADE, |
|
2133 |
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
|
2134 |
"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
|
2135 |
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
|
2136 |
|
4577 | 2137 |
dmu_tx_commit(tx); |
2138 |
||
9396
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2139 |
zfsvfs->z_version = newvers; |
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2140 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2141 |
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
|
2142 |
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
|
2143 |
|
f41cf682d0d3
PSARC/2009/204 ZFS user/group quotas & space accounting
Matthew Ahrens <Matthew.Ahrens@Sun.COM>
parents:
9292
diff
changeset
|
2144 |
return (0); |
4577 | 2145 |
} |
2146 |
||
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2147 |
/* |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2148 |
* Read a property stored within the master node. |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2149 |
*/ |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2150 |
int |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2151 |
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
|
2152 |
{ |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2153 |
const char *pname; |
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7147
diff
changeset
|
2154 |
int error = ENOENT; |
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2155 |
|
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2156 |
/* |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2157 |
* 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
|
2158 |
* version property, we look up a slightly different string. |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2159 |
*/ |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2160 |
if (prop == ZFS_PROP_VERSION) |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2161 |
pname = ZPL_VERSION_STR; |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2162 |
else |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2163 |
pname = zfs_prop_to_name(prop); |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2164 |
|
7184
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7147
diff
changeset
|
2165 |
if (os != NULL) |
9508660f9c27
PSARC 2008/223 Pool root file system properties via zpool(1M)
timh
parents:
7147
diff
changeset
|
2166 |
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
|
2167 |
|
6404 | 2168 |
if (error == ENOENT) { |
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2169 |
/* No value set, use the default value */ |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2170 |
switch (prop) { |
6404 | 2171 |
case ZFS_PROP_VERSION: |
2172 |
*value = ZPL_VERSION; |
|
2173 |
break; |
|
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2174 |
case ZFS_PROP_NORMALIZE: |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2175 |
case ZFS_PROP_UTF8ONLY: |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2176 |
*value = 0; |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2177 |
break; |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2178 |
case ZFS_PROP_CASE: |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2179 |
*value = ZFS_CASE_SENSITIVE; |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2180 |
break; |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2181 |
default: |
6404 | 2182 |
return (error); |
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2183 |
} |
6404 | 2184 |
error = 0; |
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2185 |
} |
6404 | 2186 |
return (error); |
5498
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2187 |
} |
334b476844ca
6622831 normalization properties are not preserved by "zfs send"
timh
parents:
5489
diff
changeset
|
2188 |
|
789 | 2189 |
static vfsdef_t vfw = { |
2190 |
VFSDEF_VERSION, |
|
2191 |
MNTTYPE_ZFS, |
|
2192 |
zfs_vfsinit, |
|
5331 | 2193 |
VSW_HASPROTO|VSW_CANRWRO|VSW_CANREMOUNT|VSW_VOLATILEDEV|VSW_STATS| |
2194 |
VSW_XID, |
|
789 | 2195 |
&zfs_mntopts |
2196 |
}; |
|
2197 |
||
2198 |
struct modlfs zfs_modlfs = { |
|
4577 | 2199 |
&mod_fsops, "ZFS filesystem version " SPA_VERSION_STRING, &vfw |
789 | 2200 |
}; |