4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
22 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
26 #include <sys/types.h>
27 #include <sys/param.h>
28 #include <sys/errno.h>
31 #include <sys/modctl.h>
36 #include <sys/cmn_err.h>
38 #include <sys/zfs_ioctl.h>
39 #include <sys/zfs_znode.h>
42 #include <sys/spa_impl.h>
44 #include <sys/vdev_impl.h>
46 #include <sys/dsl_dir.h>
47 #include <sys/dsl_dataset.h>
48 #include <sys/dsl_prop.h>
49 #include <sys/dsl_deleg.h>
50 #include <sys/dmu_objset.h>
52 #include <sys/sunddi.h>
53 #include <sys/sunldi.h>
54 #include <sys/policy.h>
56 #include <sys/nvpair.h>
57 #include <sys/pathname.h>
58 #include <sys/mount.h>
60 #include <sys/fs/zfs.h>
61 #include <sys/zfs_ctldir.h>
62 #include <sys/zfs_dir.h>
64 #include <sharefs/share.h>
65 #include <sys/dmu_objset.h>
67 #include "zfs_namecheck.h"
69 #include "zfs_deleg.h"
71 extern struct modlfs zfs_modlfs;
73 extern void zfs_init(void);
74 extern void zfs_fini(void);
76 ldi_ident_t zfs_li = NULL;
79 typedef int zfs_ioc_func_t(zfs_cmd_t *);
80 typedef int zfs_secpolicy_func_t(zfs_cmd_t *, cred_t *);
86 } zfs_ioc_namecheck_t;
88 typedef struct zfs_ioc_vec {
89 zfs_ioc_func_t *zvec_func;
90 zfs_secpolicy_func_t *zvec_secpolicy;
91 zfs_ioc_namecheck_t zvec_namecheck;
92 boolean_t zvec_his_log;
93 boolean_t zvec_pool_check;
96 /* This array is indexed by zfs_userquota_prop_t */
97 static const char *userquota_perms[] = {
98 ZFS_DELEG_PERM_USERUSED,
99 ZFS_DELEG_PERM_USERQUOTA,
100 ZFS_DELEG_PERM_GROUPUSED,
101 ZFS_DELEG_PERM_GROUPQUOTA,
104 static int zfs_ioc_userspace_upgrade(zfs_cmd_t *zc);
105 static void clear_props(char *dataset, nvlist_t *props, nvlist_t *newprops);
106 static int zfs_fill_zplprops_root(uint64_t, nvlist_t *, nvlist_t *,
108 int zfs_set_prop_nvlist(const char *, nvlist_t *);
110 /* _NOTE(PRINTFLIKE(4)) - this is printf-like, but lint is too whiney */
112 __dprintf(const char *file, const char *func, int line, const char *fmt, ...)
119 * Get rid of annoying "../common/" prefix to filename.
121 newfile = strrchr(file, '/');
122 if (newfile != NULL) {
123 newfile = newfile + 1; /* Get rid of leading / */
129 (void) vsnprintf(buf, sizeof (buf), fmt, adx);
133 * To get this data, use the zfs-dprintf probe as so:
134 * dtrace -q -n 'zfs-dprintf \
135 * /stringof(arg0) == "dbuf.c"/ \
136 * {printf("%s: %s", stringof(arg1), stringof(arg3))}'
138 * arg1 = function name
142 DTRACE_PROBE4(zfs__dprintf,
143 char *, newfile, char *, func, int, line, char *, buf);
147 history_str_free(char *buf)
149 kmem_free(buf, HIS_MAX_RECORD_LEN);
153 history_str_get(zfs_cmd_t *zc)
157 if (zc->zc_history == NULL)
160 buf = kmem_alloc(HIS_MAX_RECORD_LEN, KM_SLEEP);
161 if (copyinstr((void *)(uintptr_t)zc->zc_history,
162 buf, HIS_MAX_RECORD_LEN, NULL) != 0) {
163 history_str_free(buf);
167 buf[HIS_MAX_RECORD_LEN -1] = '\0';
173 * Check to see if the named dataset is currently defined as bootable
176 zfs_is_bootfs(const char *name)
179 boolean_t ret = B_FALSE;
181 if (spa_open(name, &spa, FTAG) == 0) {
182 if (spa->spa_bootfs) {
185 if (dmu_objset_open(name, DMU_OST_ZFS,
186 DS_MODE_USER | DS_MODE_READONLY, &os) == 0) {
187 ret = (dmu_objset_id(os) == spa->spa_bootfs);
188 dmu_objset_close(os);
191 spa_close(spa, FTAG);
197 * zfs_earlier_version
199 * Return non-zero if the spa version is less than requested version.
202 zfs_earlier_version(const char *name, int version)
206 if (spa_open(name, &spa, FTAG) == 0) {
207 if (spa_version(spa) < version) {
208 spa_close(spa, FTAG);
211 spa_close(spa, FTAG);
217 * zpl_earlier_version
219 * Return TRUE if the ZPL version is less than requested version.
222 zpl_earlier_version(const char *name, int version)
225 boolean_t rc = B_TRUE;
227 if (dmu_objset_open(name, DMU_OST_ANY,
228 DS_MODE_USER | DS_MODE_READONLY, &os) == 0) {
231 if (zfs_get_zplprop(os, ZFS_PROP_VERSION, &zplversion) == 0)
232 rc = zplversion < version;
233 dmu_objset_close(os);
239 zfs_log_history(zfs_cmd_t *zc)
244 if ((buf = history_str_get(zc)) == NULL)
247 if (spa_open(zc->zc_name, &spa, FTAG) == 0) {
248 if (spa_version(spa) >= SPA_VERSION_ZPOOL_HISTORY)
249 (void) spa_history_log(spa, buf, LOG_CMD_NORMAL);
250 spa_close(spa, FTAG);
252 history_str_free(buf);
256 * Policy for top-level read operations (list pools). Requires no privileges,
257 * and can be used in the local zone, as there is no associated dataset.
261 zfs_secpolicy_none(zfs_cmd_t *zc, cred_t *cr)
267 * Policy for dataset read operations (list children, get statistics). Requires
268 * no privileges, but must be visible in the local zone.
272 zfs_secpolicy_read(zfs_cmd_t *zc, cred_t *cr)
274 if (INGLOBALZONE(curproc) ||
275 zone_dataset_visible(zc->zc_name, NULL))
282 zfs_dozonecheck(const char *dataset, cred_t *cr)
288 * The dataset must be visible by this zone -- check this first
289 * so they don't see EPERM on something they shouldn't know about.
291 if (!INGLOBALZONE(curproc) &&
292 !zone_dataset_visible(dataset, &writable))
295 if (dsl_prop_get_integer(dataset, "zoned", &zoned, NULL))
298 if (INGLOBALZONE(curproc)) {
300 * If the fs is zoned, only root can access it from the
303 if (secpolicy_zfs(cr) && zoned)
307 * If we are in a local zone, the 'zoned' property must be set.
312 /* must be writable by this zone */
320 zfs_secpolicy_write_perms(const char *name, const char *perm, cred_t *cr)
324 error = zfs_dozonecheck(name, cr);
326 error = secpolicy_zfs(cr);
328 error = dsl_deleg_access(name, perm, cr);
334 zfs_secpolicy_setprop(const char *name, zfs_prop_t prop, cred_t *cr)
337 * Check permissions for special properties.
342 * Disallow setting of 'zoned' from within a local zone.
344 if (!INGLOBALZONE(curproc))
349 if (!INGLOBALZONE(curproc)) {
351 char setpoint[MAXNAMELEN];
353 * Unprivileged users are allowed to modify the
354 * quota on things *under* (ie. contained by)
355 * the thing they own.
357 if (dsl_prop_get_integer(name, "zoned", &zoned,
360 if (!zoned || strlen(name) <= strlen(setpoint))
366 return (zfs_secpolicy_write_perms(name, zfs_prop_to_name(prop), cr));
370 zfs_secpolicy_fsacl(zfs_cmd_t *zc, cred_t *cr)
374 error = zfs_dozonecheck(zc->zc_name, cr);
379 * permission to set permissions will be evaluated later in
380 * dsl_deleg_can_allow()
386 zfs_secpolicy_rollback(zfs_cmd_t *zc, cred_t *cr)
389 error = zfs_secpolicy_write_perms(zc->zc_name,
390 ZFS_DELEG_PERM_ROLLBACK, cr);
392 error = zfs_secpolicy_write_perms(zc->zc_name,
393 ZFS_DELEG_PERM_MOUNT, cr);
398 zfs_secpolicy_send(zfs_cmd_t *zc, cred_t *cr)
400 return (zfs_secpolicy_write_perms(zc->zc_name,
401 ZFS_DELEG_PERM_SEND, cr));
405 zfs_secpolicy_deleg_share(zfs_cmd_t *zc, cred_t *cr)
410 if ((error = lookupname(zc->zc_value, UIO_SYSSPACE,
411 NO_FOLLOW, NULL, &vp)) != 0)
414 /* Now make sure mntpnt and dataset are ZFS */
416 if (vp->v_vfsp->vfs_fstype != zfsfstype ||
417 (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource),
418 zc->zc_name) != 0)) {
424 return (dsl_deleg_access(zc->zc_name,
425 ZFS_DELEG_PERM_SHARE, cr));
429 zfs_secpolicy_share(zfs_cmd_t *zc, cred_t *cr)
431 if (!INGLOBALZONE(curproc))
434 if (secpolicy_nfs(cr) == 0) {
437 return (zfs_secpolicy_deleg_share(zc, cr));
442 zfs_secpolicy_smb_acl(zfs_cmd_t *zc, cred_t *cr)
444 if (!INGLOBALZONE(curproc))
447 if (secpolicy_smb(cr) == 0) {
450 return (zfs_secpolicy_deleg_share(zc, cr));
455 zfs_get_parent(const char *datasetname, char *parent, int parentsize)
460 * Remove the @bla or /bla from the end of the name to get the parent.
462 (void) strncpy(parent, datasetname, parentsize);
463 cp = strrchr(parent, '@');
467 cp = strrchr(parent, '/');
477 zfs_secpolicy_destroy_perms(const char *name, cred_t *cr)
481 if ((error = zfs_secpolicy_write_perms(name,
482 ZFS_DELEG_PERM_MOUNT, cr)) != 0)
485 return (zfs_secpolicy_write_perms(name, ZFS_DELEG_PERM_DESTROY, cr));
489 zfs_secpolicy_destroy(zfs_cmd_t *zc, cred_t *cr)
491 return (zfs_secpolicy_destroy_perms(zc->zc_name, cr));
495 * Must have sys_config privilege to check the iscsi permission
499 zfs_secpolicy_iscsi(zfs_cmd_t *zc, cred_t *cr)
501 return (secpolicy_zfs(cr));
505 zfs_secpolicy_rename_perms(const char *from, const char *to, cred_t *cr)
507 char parentname[MAXNAMELEN];
510 if ((error = zfs_secpolicy_write_perms(from,
511 ZFS_DELEG_PERM_RENAME, cr)) != 0)
514 if ((error = zfs_secpolicy_write_perms(from,
515 ZFS_DELEG_PERM_MOUNT, cr)) != 0)
518 if ((error = zfs_get_parent(to, parentname,
519 sizeof (parentname))) != 0)
522 if ((error = zfs_secpolicy_write_perms(parentname,
523 ZFS_DELEG_PERM_CREATE, cr)) != 0)
526 if ((error = zfs_secpolicy_write_perms(parentname,
527 ZFS_DELEG_PERM_MOUNT, cr)) != 0)
534 zfs_secpolicy_rename(zfs_cmd_t *zc, cred_t *cr)
536 return (zfs_secpolicy_rename_perms(zc->zc_name, zc->zc_value, cr));
540 zfs_secpolicy_promote(zfs_cmd_t *zc, cred_t *cr)
542 char parentname[MAXNAMELEN];
546 error = zfs_secpolicy_write_perms(zc->zc_name,
547 ZFS_DELEG_PERM_PROMOTE, cr);
551 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY,
552 DS_MODE_USER | DS_MODE_READONLY, &clone);
555 dsl_dataset_t *pclone = NULL;
557 dd = clone->os->os_dsl_dataset->ds_dir;
559 rw_enter(&dd->dd_pool->dp_config_rwlock, RW_READER);
560 error = dsl_dataset_hold_obj(dd->dd_pool,
561 dd->dd_phys->dd_origin_obj, FTAG, &pclone);
562 rw_exit(&dd->dd_pool->dp_config_rwlock);
564 dmu_objset_close(clone);
568 error = zfs_secpolicy_write_perms(zc->zc_name,
569 ZFS_DELEG_PERM_MOUNT, cr);
571 dsl_dataset_name(pclone, parentname);
572 dmu_objset_close(clone);
573 dsl_dataset_rele(pclone, FTAG);
575 error = zfs_secpolicy_write_perms(parentname,
576 ZFS_DELEG_PERM_PROMOTE, cr);
582 zfs_secpolicy_receive(zfs_cmd_t *zc, cred_t *cr)
586 if ((error = zfs_secpolicy_write_perms(zc->zc_name,
587 ZFS_DELEG_PERM_RECEIVE, cr)) != 0)
590 if ((error = zfs_secpolicy_write_perms(zc->zc_name,
591 ZFS_DELEG_PERM_MOUNT, cr)) != 0)
594 return (zfs_secpolicy_write_perms(zc->zc_name,
595 ZFS_DELEG_PERM_CREATE, cr));
599 zfs_secpolicy_snapshot_perms(const char *name, cred_t *cr)
603 if ((error = zfs_secpolicy_write_perms(name,
604 ZFS_DELEG_PERM_SNAPSHOT, cr)) != 0)
607 error = zfs_secpolicy_write_perms(name,
608 ZFS_DELEG_PERM_MOUNT, cr);
614 zfs_secpolicy_snapshot(zfs_cmd_t *zc, cred_t *cr)
617 return (zfs_secpolicy_snapshot_perms(zc->zc_name, cr));
621 zfs_secpolicy_create(zfs_cmd_t *zc, cred_t *cr)
623 char parentname[MAXNAMELEN];
626 if ((error = zfs_get_parent(zc->zc_name, parentname,
627 sizeof (parentname))) != 0)
630 if (zc->zc_value[0] != '\0') {
631 if ((error = zfs_secpolicy_write_perms(zc->zc_value,
632 ZFS_DELEG_PERM_CLONE, cr)) != 0)
636 if ((error = zfs_secpolicy_write_perms(parentname,
637 ZFS_DELEG_PERM_CREATE, cr)) != 0)
640 error = zfs_secpolicy_write_perms(parentname,
641 ZFS_DELEG_PERM_MOUNT, cr);
647 zfs_secpolicy_umount(zfs_cmd_t *zc, cred_t *cr)
651 error = secpolicy_fs_unmount(cr, NULL);
653 error = dsl_deleg_access(zc->zc_name, ZFS_DELEG_PERM_MOUNT, cr);
659 * Policy for pool operations - create/destroy pools, add vdevs, etc. Requires
660 * SYS_CONFIG privilege, which is not available in a local zone.
664 zfs_secpolicy_config(zfs_cmd_t *zc, cred_t *cr)
666 if (secpolicy_sys_config(cr, B_FALSE) != 0)
673 * Just like zfs_secpolicy_config, except that we will check for
674 * mount permission on the dataset for permission to create/remove
678 zfs_secpolicy_minor(zfs_cmd_t *zc, cred_t *cr)
680 if (secpolicy_sys_config(cr, B_FALSE) != 0) {
681 return (dsl_deleg_access(zc->zc_name,
682 ZFS_DELEG_PERM_MOUNT, cr));
689 * Policy for fault injection. Requires all privileges.
693 zfs_secpolicy_inject(zfs_cmd_t *zc, cred_t *cr)
695 return (secpolicy_zinject(cr));
699 zfs_secpolicy_inherit(zfs_cmd_t *zc, cred_t *cr)
701 zfs_prop_t prop = zfs_name_to_prop(zc->zc_value);
703 if (prop == ZPROP_INVAL) {
704 if (!zfs_prop_user(zc->zc_value))
706 return (zfs_secpolicy_write_perms(zc->zc_name,
707 ZFS_DELEG_PERM_USERPROP, cr));
709 if (!zfs_prop_inheritable(prop))
711 return (zfs_secpolicy_setprop(zc->zc_name, prop, cr));
716 zfs_secpolicy_userspace_one(zfs_cmd_t *zc, cred_t *cr)
718 int err = zfs_secpolicy_read(zc, cr);
722 if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS)
725 if (zc->zc_value[0] == 0) {
727 * They are asking about a posix uid/gid. If it's
728 * themself, allow it.
730 if (zc->zc_objset_type == ZFS_PROP_USERUSED ||
731 zc->zc_objset_type == ZFS_PROP_USERQUOTA) {
732 if (zc->zc_guid == crgetuid(cr))
735 if (groupmember(zc->zc_guid, cr))
740 return (zfs_secpolicy_write_perms(zc->zc_name,
741 userquota_perms[zc->zc_objset_type], cr));
745 zfs_secpolicy_userspace_many(zfs_cmd_t *zc, cred_t *cr)
747 int err = zfs_secpolicy_read(zc, cr);
751 if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS)
754 return (zfs_secpolicy_write_perms(zc->zc_name,
755 userquota_perms[zc->zc_objset_type], cr));
759 zfs_secpolicy_userspace_upgrade(zfs_cmd_t *zc, cred_t *cr)
761 return (zfs_secpolicy_setprop(zc->zc_name, ZFS_PROP_VERSION, cr));
765 zfs_secpolicy_hold(zfs_cmd_t *zc, cred_t *cr)
767 return (zfs_secpolicy_write_perms(zc->zc_name,
768 ZFS_DELEG_PERM_HOLD, cr));
772 zfs_secpolicy_release(zfs_cmd_t *zc, cred_t *cr)
774 return (zfs_secpolicy_write_perms(zc->zc_name,
775 ZFS_DELEG_PERM_RELEASE, cr));
779 * Returns the nvlist as specified by the user in the zfs_cmd_t.
782 get_nvlist(uint64_t nvl, uint64_t size, int iflag, nvlist_t **nvp)
786 nvlist_t *list = NULL;
789 * Read in and unpack the user-supplied nvlist.
794 packed = kmem_alloc(size, KM_SLEEP);
796 if ((error = ddi_copyin((void *)(uintptr_t)nvl, packed, size,
798 kmem_free(packed, size);
802 if ((error = nvlist_unpack(packed, size, &list, 0)) != 0) {
803 kmem_free(packed, size);
807 kmem_free(packed, size);
814 put_nvlist(zfs_cmd_t *zc, nvlist_t *nvl)
820 VERIFY(nvlist_size(nvl, &size, NV_ENCODE_NATIVE) == 0);
822 if (size > zc->zc_nvlist_dst_size) {
825 packed = kmem_alloc(size, KM_SLEEP);
826 VERIFY(nvlist_pack(nvl, &packed, &size, NV_ENCODE_NATIVE,
828 error = ddi_copyout(packed,
829 (void *)(uintptr_t)zc->zc_nvlist_dst, size, zc->zc_iflags);
830 kmem_free(packed, size);
833 zc->zc_nvlist_dst_size = size;
838 getzfsvfs(const char *dsname, zfsvfs_t **zvp)
843 error = dmu_objset_open(dsname, DMU_OST_ZFS,
844 DS_MODE_USER | DS_MODE_READONLY, &os);
848 mutex_enter(&os->os->os_user_ptr_lock);
849 *zvp = dmu_objset_get_user(os);
851 VFS_HOLD((*zvp)->z_vfs);
855 mutex_exit(&os->os->os_user_ptr_lock);
856 dmu_objset_close(os);
861 * Find a zfsvfs_t for a mounted filesystem, or create our own, in which
862 * case its z_vfs will be NULL, and it will be opened as the owner.
865 zfsvfs_hold(const char *name, boolean_t readonly, void *tag, zfsvfs_t **zvp)
868 int mode = DS_MODE_OWNER | (readonly ? DS_MODE_READONLY : 0);
870 if (getzfsvfs(name, zvp) != 0)
871 error = zfsvfs_create(name, mode, zvp);
873 rrw_enter(&(*zvp)->z_teardown_lock, RW_READER, tag);
874 if ((*zvp)->z_unmounted) {
876 * XXX we could probably try again, since the unmounting
877 * thread should be just about to disassociate the
878 * objset from the zfsvfs.
880 rrw_exit(&(*zvp)->z_teardown_lock, tag);
888 zfsvfs_rele(zfsvfs_t *zfsvfs, void *tag)
890 rrw_exit(&zfsvfs->z_teardown_lock, tag);
893 VFS_RELE(zfsvfs->z_vfs);
895 dmu_objset_close(zfsvfs->z_os);
901 zfs_ioc_pool_create(zfs_cmd_t *zc)
904 nvlist_t *config, *props = NULL;
905 nvlist_t *rootprops = NULL;
906 nvlist_t *zplprops = NULL;
909 if (error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size,
910 zc->zc_iflags, &config))
913 if (zc->zc_nvlist_src_size != 0 && (error =
914 get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
915 zc->zc_iflags, &props))) {
921 nvlist_t *nvl = NULL;
922 uint64_t version = SPA_VERSION;
924 (void) nvlist_lookup_uint64(props,
925 zpool_prop_to_name(ZPOOL_PROP_VERSION), &version);
926 if (version < SPA_VERSION_INITIAL || version > SPA_VERSION) {
930 (void) nvlist_lookup_nvlist(props, ZPOOL_ROOTFS_PROPS, &nvl);
932 error = nvlist_dup(nvl, &rootprops, KM_SLEEP);
938 (void) nvlist_remove_all(props, ZPOOL_ROOTFS_PROPS);
940 VERIFY(nvlist_alloc(&zplprops, NV_UNIQUE_NAME, KM_SLEEP) == 0);
941 error = zfs_fill_zplprops_root(version, rootprops,
947 buf = history_str_get(zc);
949 error = spa_create(zc->zc_name, config, props, buf, zplprops);
952 * Set the remaining root properties
955 (error = zfs_set_prop_nvlist(zc->zc_name, rootprops)) != 0)
956 (void) spa_destroy(zc->zc_name);
959 history_str_free(buf);
962 nvlist_free(rootprops);
963 nvlist_free(zplprops);
971 zfs_ioc_pool_destroy(zfs_cmd_t *zc)
975 error = spa_destroy(zc->zc_name);
980 zfs_ioc_pool_import(zfs_cmd_t *zc)
983 nvlist_t *config, *props = NULL;
986 if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size,
987 zc->zc_iflags, &config)) != 0)
990 if (zc->zc_nvlist_src_size != 0 && (error =
991 get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
992 zc->zc_iflags, &props))) {
997 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID, &guid) != 0 ||
1000 else if (zc->zc_cookie)
1001 error = spa_import_verbatim(zc->zc_name, config,
1004 error = spa_import(zc->zc_name, config, props);
1006 nvlist_free(config);
1015 zfs_ioc_pool_export(zfs_cmd_t *zc)
1018 boolean_t force = (boolean_t)zc->zc_cookie;
1019 boolean_t hardforce = (boolean_t)zc->zc_guid;
1021 zfs_log_history(zc);
1022 error = spa_export(zc->zc_name, NULL, force, hardforce);
1027 zfs_ioc_pool_configs(zfs_cmd_t *zc)
1032 if ((configs = spa_all_configs(&zc->zc_cookie)) == NULL)
1035 error = put_nvlist(zc, configs);
1037 nvlist_free(configs);
1043 zfs_ioc_pool_stats(zfs_cmd_t *zc)
1049 error = spa_get_stats(zc->zc_name, &config, zc->zc_value,
1050 sizeof (zc->zc_value));
1052 if (config != NULL) {
1053 ret = put_nvlist(zc, config);
1054 nvlist_free(config);
1057 * The config may be present even if 'error' is non-zero.
1058 * In this case we return success, and preserve the real errno
1061 zc->zc_cookie = error;
1070 * Try to import the given pool, returning pool stats as appropriate so that
1071 * user land knows which devices are available and overall pool health.
1074 zfs_ioc_pool_tryimport(zfs_cmd_t *zc)
1076 nvlist_t *tryconfig, *config;
1079 if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size,
1080 zc->zc_iflags, &tryconfig)) != 0)
1083 config = spa_tryimport(tryconfig);
1085 nvlist_free(tryconfig);
1090 error = put_nvlist(zc, config);
1091 nvlist_free(config);
1097 zfs_ioc_pool_scrub(zfs_cmd_t *zc)
1102 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0)
1105 error = spa_scrub(spa, zc->zc_cookie);
1107 spa_close(spa, FTAG);
1113 zfs_ioc_pool_freeze(zfs_cmd_t *zc)
1118 error = spa_open(zc->zc_name, &spa, FTAG);
1121 spa_close(spa, FTAG);
1127 zfs_ioc_pool_upgrade(zfs_cmd_t *zc)
1132 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0)
1135 if (zc->zc_cookie < spa_version(spa) || zc->zc_cookie > SPA_VERSION) {
1136 spa_close(spa, FTAG);
1140 spa_upgrade(spa, zc->zc_cookie);
1141 spa_close(spa, FTAG);
1147 zfs_ioc_pool_get_history(zfs_cmd_t *zc)
1154 if ((size = zc->zc_history_len) == 0)
1157 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0)
1160 if (spa_version(spa) < SPA_VERSION_ZPOOL_HISTORY) {
1161 spa_close(spa, FTAG);
1165 hist_buf = kmem_alloc(size, KM_SLEEP);
1166 if ((error = spa_history_get(spa, &zc->zc_history_offset,
1167 &zc->zc_history_len, hist_buf)) == 0) {
1168 error = ddi_copyout(hist_buf,
1169 (void *)(uintptr_t)zc->zc_history,
1170 zc->zc_history_len, zc->zc_iflags);
1173 spa_close(spa, FTAG);
1174 kmem_free(hist_buf, size);
1179 zfs_ioc_dsobj_to_dsname(zfs_cmd_t *zc)
1183 if (error = dsl_dsobj_to_dsname(zc->zc_name, zc->zc_obj, zc->zc_value))
1190 zfs_ioc_obj_to_path(zfs_cmd_t *zc)
1195 if ((error = dmu_objset_open(zc->zc_name, DMU_OST_ZFS,
1196 DS_MODE_USER | DS_MODE_READONLY, &osp)) != 0)
1198 error = zfs_obj_to_path(osp, zc->zc_obj, zc->zc_value,
1199 sizeof (zc->zc_value));
1200 dmu_objset_close(osp);
1206 zfs_ioc_vdev_add(zfs_cmd_t *zc)
1210 nvlist_t *config, **l2cache, **spares;
1211 uint_t nl2cache = 0, nspares = 0;
1213 error = spa_open(zc->zc_name, &spa, FTAG);
1217 error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size,
1218 zc->zc_iflags, &config);
1219 (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_L2CACHE,
1220 &l2cache, &nl2cache);
1222 (void) nvlist_lookup_nvlist_array(config, ZPOOL_CONFIG_SPARES,
1226 * A root pool with concatenated devices is not supported.
1227 * Thus, can not add a device to a root pool.
1229 * Intent log device can not be added to a rootpool because
1230 * during mountroot, zil is replayed, a seperated log device
1231 * can not be accessed during the mountroot time.
1233 * l2cache and spare devices are ok to be added to a rootpool.
1235 if (spa->spa_bootfs != 0 && nl2cache == 0 && nspares == 0) {
1236 spa_close(spa, FTAG);
1241 error = spa_vdev_add(spa, config);
1242 nvlist_free(config);
1244 spa_close(spa, FTAG);
1249 zfs_ioc_vdev_remove(zfs_cmd_t *zc)
1254 error = spa_open(zc->zc_name, &spa, FTAG);
1257 error = spa_vdev_remove(spa, zc->zc_guid, B_FALSE);
1258 spa_close(spa, FTAG);
1263 zfs_ioc_vdev_set_state(zfs_cmd_t *zc)
1267 vdev_state_t newstate = VDEV_STATE_UNKNOWN;
1269 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0)
1271 switch (zc->zc_cookie) {
1272 case VDEV_STATE_ONLINE:
1273 error = vdev_online(spa, zc->zc_guid, zc->zc_obj, &newstate);
1276 case VDEV_STATE_OFFLINE:
1277 error = vdev_offline(spa, zc->zc_guid, zc->zc_obj);
1280 case VDEV_STATE_FAULTED:
1281 error = vdev_fault(spa, zc->zc_guid);
1284 case VDEV_STATE_DEGRADED:
1285 error = vdev_degrade(spa, zc->zc_guid);
1291 zc->zc_cookie = newstate;
1292 spa_close(spa, FTAG);
1297 zfs_ioc_vdev_attach(zfs_cmd_t *zc)
1300 int replacing = zc->zc_cookie;
1304 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0)
1307 if ((error = get_nvlist(zc->zc_nvlist_conf, zc->zc_nvlist_conf_size,
1308 zc->zc_iflags, &config)) == 0) {
1309 error = spa_vdev_attach(spa, zc->zc_guid, config, replacing);
1310 nvlist_free(config);
1313 spa_close(spa, FTAG);
1318 zfs_ioc_vdev_detach(zfs_cmd_t *zc)
1323 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0)
1326 error = spa_vdev_detach(spa, zc->zc_guid, 0, B_FALSE);
1328 spa_close(spa, FTAG);
1333 zfs_ioc_vdev_setpath(zfs_cmd_t *zc)
1336 char *path = zc->zc_value;
1337 uint64_t guid = zc->zc_guid;
1340 error = spa_open(zc->zc_name, &spa, FTAG);
1344 error = spa_vdev_setpath(spa, guid, path);
1345 spa_close(spa, FTAG);
1350 zfs_ioc_vdev_setfru(zfs_cmd_t *zc)
1353 char *fru = zc->zc_value;
1354 uint64_t guid = zc->zc_guid;
1357 error = spa_open(zc->zc_name, &spa, FTAG);
1361 error = spa_vdev_setfru(spa, guid, fru);
1362 spa_close(spa, FTAG);
1368 * zc_name name of filesystem
1369 * zc_nvlist_dst_size size of buffer for property nvlist
1372 * zc_objset_stats stats
1373 * zc_nvlist_dst property nvlist
1374 * zc_nvlist_dst_size size of property nvlist
1377 zfs_ioc_objset_stats(zfs_cmd_t *zc)
1379 objset_t *os = NULL;
1383 if (error = dmu_objset_open(zc->zc_name,
1384 DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os))
1387 dmu_objset_fast_stat(os, &zc->zc_objset_stats);
1389 if (zc->zc_nvlist_dst != 0 &&
1390 (error = dsl_prop_get_all(os, &nv, FALSE)) == 0) {
1391 dmu_objset_stats(os, nv);
1393 * NB: zvol_get_stats() will read the objset contents,
1394 * which we aren't supposed to do with a
1395 * DS_MODE_USER hold, because it could be
1396 * inconsistent. So this is a bit of a workaround...
1398 if (!zc->zc_objset_stats.dds_inconsistent) {
1399 if (dmu_objset_type(os) == DMU_OST_ZVOL)
1400 VERIFY(zvol_get_stats(os, nv) == 0);
1402 error = put_nvlist(zc, nv);
1406 dmu_objset_close(os);
1411 nvl_add_zplprop(objset_t *os, nvlist_t *props, zfs_prop_t prop)
1417 * zfs_get_zplprop() will either find a value or give us
1418 * the default value (if there is one).
1420 if ((error = zfs_get_zplprop(os, prop, &value)) != 0)
1422 VERIFY(nvlist_add_uint64(props, zfs_prop_to_name(prop), value) == 0);
1428 * zc_name name of filesystem
1429 * zc_nvlist_dst_size size of buffer for zpl property nvlist
1432 * zc_nvlist_dst zpl property nvlist
1433 * zc_nvlist_dst_size size of zpl property nvlist
1436 zfs_ioc_objset_zplprops(zfs_cmd_t *zc)
1441 if (err = dmu_objset_open(zc->zc_name,
1442 DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os))
1445 dmu_objset_fast_stat(os, &zc->zc_objset_stats);
1448 * NB: nvl_add_zplprop() will read the objset contents,
1449 * which we aren't supposed to do with a DS_MODE_USER
1450 * hold, because it could be inconsistent.
1452 if (zc->zc_nvlist_dst != NULL &&
1453 !zc->zc_objset_stats.dds_inconsistent &&
1454 dmu_objset_type(os) == DMU_OST_ZFS) {
1457 VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0);
1458 if ((err = nvl_add_zplprop(os, nv, ZFS_PROP_VERSION)) == 0 &&
1459 (err = nvl_add_zplprop(os, nv, ZFS_PROP_NORMALIZE)) == 0 &&
1460 (err = nvl_add_zplprop(os, nv, ZFS_PROP_UTF8ONLY)) == 0 &&
1461 (err = nvl_add_zplprop(os, nv, ZFS_PROP_CASE)) == 0)
1462 err = put_nvlist(zc, nv);
1467 dmu_objset_close(os);
1472 dataset_name_hidden(const char *name)
1475 * Skip over datasets that are not visible in this zone,
1476 * internal datasets (which have a $ in their name), and
1477 * temporary datasets (which have a % in their name).
1479 if (strchr(name, '$') != NULL)
1481 if (strchr(name, '%') != NULL)
1483 if (!INGLOBALZONE(curproc) && !zone_dataset_visible(name, NULL))
1490 * zc_name name of filesystem
1491 * zc_cookie zap cursor
1492 * zc_nvlist_dst_size size of buffer for property nvlist
1495 * zc_name name of next filesystem
1496 * zc_cookie zap cursor
1497 * zc_objset_stats stats
1498 * zc_nvlist_dst property nvlist
1499 * zc_nvlist_dst_size size of property nvlist
1502 zfs_ioc_dataset_list_next(zfs_cmd_t *zc)
1508 if (error = dmu_objset_open(zc->zc_name,
1509 DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os)) {
1510 if (error == ENOENT)
1515 p = strrchr(zc->zc_name, '/');
1516 if (p == NULL || p[1] != '\0')
1517 (void) strlcat(zc->zc_name, "/", sizeof (zc->zc_name));
1518 p = zc->zc_name + strlen(zc->zc_name);
1521 * Pre-fetch the datasets. dmu_objset_prefetch() always returns 0
1522 * but is not declared void because its called by dmu_objset_find().
1524 if (zc->zc_cookie == 0) {
1525 uint64_t cookie = 0;
1526 int len = sizeof (zc->zc_name) - (p - zc->zc_name);
1528 while (dmu_dir_list_next(os, len, p, NULL, &cookie) == 0)
1529 (void) dmu_objset_prefetch(p, NULL);
1533 error = dmu_dir_list_next(os,
1534 sizeof (zc->zc_name) - (p - zc->zc_name), p,
1535 NULL, &zc->zc_cookie);
1536 if (error == ENOENT)
1538 } while (error == 0 && dataset_name_hidden(zc->zc_name));
1539 dmu_objset_close(os);
1542 error = zfs_ioc_objset_stats(zc); /* fill in the stats */
1549 * zc_name name of filesystem
1550 * zc_cookie zap cursor
1551 * zc_nvlist_dst_size size of buffer for property nvlist
1554 * zc_name name of next snapshot
1555 * zc_objset_stats stats
1556 * zc_nvlist_dst property nvlist
1557 * zc_nvlist_dst_size size of property nvlist
1560 zfs_ioc_snapshot_list_next(zfs_cmd_t *zc)
1565 error = dmu_objset_open(zc->zc_name,
1566 DMU_OST_ANY, DS_MODE_USER | DS_MODE_READONLY, &os);
1568 return (error == ENOENT ? ESRCH : error);
1570 if (zc->zc_cookie == 0) {
1571 (void) dmu_objset_find(zc->zc_name, dmu_objset_prefetch,
1572 NULL, DS_FIND_SNAPSHOTS);
1575 * A dataset name of maximum length cannot have any snapshots,
1576 * so exit immediately.
1578 if (strlcat(zc->zc_name, "@", sizeof (zc->zc_name)) >= MAXNAMELEN) {
1579 dmu_objset_close(os);
1583 error = dmu_snapshot_list_next(os,
1584 sizeof (zc->zc_name) - strlen(zc->zc_name),
1585 zc->zc_name + strlen(zc->zc_name), NULL, &zc->zc_cookie, NULL);
1586 dmu_objset_close(os);
1588 error = zfs_ioc_objset_stats(zc); /* fill in the stats */
1589 else if (error == ENOENT)
1592 /* if we failed, undo the @ that we tacked on to zc_name */
1594 *strchr(zc->zc_name, '@') = '\0';
1599 zfs_set_prop_nvlist(const char *name, nvlist_t *nvl)
1605 nvlist_t *genericnvl;
1606 boolean_t issnap = (strchr(name, '@') != NULL);
1609 * First validate permission to set all of the properties
1612 while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) {
1613 const char *propname = nvpair_name(elem);
1614 zfs_prop_t prop = zfs_name_to_prop(propname);
1616 if (prop == ZPROP_INVAL) {
1618 * If this is a user-defined property, it must be a
1619 * string, and there is no further validation to do.
1621 if (zfs_prop_user(propname) &&
1622 nvpair_type(elem) == DATA_TYPE_STRING) {
1623 if (error = zfs_secpolicy_write_perms(name,
1624 ZFS_DELEG_PERM_USERPROP, CRED()))
1629 if (!issnap && zfs_prop_userquota(propname) &&
1630 nvpair_type(elem) == DATA_TYPE_UINT64_ARRAY) {
1632 const char *up = zfs_userquota_prop_prefixes
1633 [ZFS_PROP_USERQUOTA];
1634 if (strncmp(propname, up, strlen(up)) == 0)
1635 perm = ZFS_DELEG_PERM_USERQUOTA;
1637 perm = ZFS_DELEG_PERM_GROUPQUOTA;
1638 if (error = zfs_secpolicy_write_perms(name,
1650 if ((error = zfs_secpolicy_setprop(name, prop, CRED())) != 0)
1654 * Check that this value is valid for this pool version
1657 case ZFS_PROP_COMPRESSION:
1659 * If the user specified gzip compression, make sure
1660 * the SPA supports it. We ignore any errors here since
1661 * we'll catch them later.
1663 if (nvpair_type(elem) == DATA_TYPE_UINT64 &&
1664 nvpair_value_uint64(elem, &intval) == 0) {
1665 if (intval >= ZIO_COMPRESS_GZIP_1 &&
1666 intval <= ZIO_COMPRESS_GZIP_9 &&
1667 zfs_earlier_version(name,
1668 SPA_VERSION_GZIP_COMPRESSION))
1672 * If this is a bootable dataset then
1673 * verify that the compression algorithm
1674 * is supported for booting. We must return
1675 * something other than ENOTSUP since it
1676 * implies a downrev pool version.
1678 if (zfs_is_bootfs(name) &&
1679 !BOOTFS_COMPRESS_VALID(intval))
1684 case ZFS_PROP_COPIES:
1685 if (zfs_earlier_version(name, SPA_VERSION_DITTO_BLOCKS))
1689 case ZFS_PROP_SHARESMB:
1690 if (zpl_earlier_version(name, ZPL_VERSION_FUID))
1694 case ZFS_PROP_ACLINHERIT:
1695 if (nvpair_type(elem) == DATA_TYPE_UINT64 &&
1696 nvpair_value_uint64(elem, &intval) == 0)
1697 if (intval == ZFS_ACL_PASSTHROUGH_X &&
1698 zfs_earlier_version(name,
1699 SPA_VERSION_PASSTHROUGH_X))
1704 VERIFY(nvlist_alloc(&genericnvl, NV_UNIQUE_NAME, KM_SLEEP) == 0);
1706 while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) {
1707 const char *propname = nvpair_name(elem);
1708 zfs_prop_t prop = zfs_name_to_prop(propname);
1710 if (prop == ZPROP_INVAL) {
1711 if (zfs_prop_userquota(propname)) {
1713 unsigned int vallen;
1715 zfs_userquota_prop_t type;
1720 VERIFY(nvpair_value_uint64_array(elem,
1721 &valary, &vallen) == 0);
1722 VERIFY(vallen == 3);
1727 strlen(zfs_userquota_prop_prefixes[type]);
1729 error = zfsvfs_hold(name, B_FALSE, FTAG,
1732 error = zfs_set_userquota(zfsvfs,
1733 type, domain, rid, quota);
1734 zfsvfs_rele(zfsvfs, FTAG);
1740 } else if (zfs_prop_user(propname)) {
1741 VERIFY(nvpair_value_string(elem, &strval) == 0);
1742 error = dsl_prop_set(name, propname, 1,
1743 strlen(strval) + 1, strval);
1752 case ZFS_PROP_QUOTA:
1753 if ((error = nvpair_value_uint64(elem, &intval)) != 0 ||
1754 (error = dsl_dir_set_quota(name, intval)) != 0)
1758 case ZFS_PROP_REFQUOTA:
1759 if ((error = nvpair_value_uint64(elem, &intval)) != 0 ||
1760 (error = dsl_dataset_set_quota(name, intval)) != 0)
1764 case ZFS_PROP_RESERVATION:
1765 if ((error = nvpair_value_uint64(elem, &intval)) != 0 ||
1766 (error = dsl_dir_set_reservation(name,
1771 case ZFS_PROP_REFRESERVATION:
1772 if ((error = nvpair_value_uint64(elem, &intval)) != 0 ||
1773 (error = dsl_dataset_set_reservation(name,
1778 case ZFS_PROP_VOLSIZE:
1779 if ((error = nvpair_value_uint64(elem, &intval)) != 0 ||
1780 (error = zvol_set_volsize(name,
1781 ddi_driver_major(zfs_dip), intval)) != 0)
1785 case ZFS_PROP_VOLBLOCKSIZE:
1786 if ((error = nvpair_value_uint64(elem, &intval)) != 0 ||
1787 (error = zvol_set_volblocksize(name, intval)) != 0)
1791 case ZFS_PROP_VERSION:
1795 if ((error = nvpair_value_uint64(elem, &intval)) != 0)
1797 if ((error = zfsvfs_hold(name, B_FALSE, FTAG,
1800 error = zfs_set_version(zfsvfs, intval);
1801 zfsvfs_rele(zfsvfs, FTAG);
1803 if (error == 0 && intval >= ZPL_VERSION_USERSPACE) {
1804 zfs_cmd_t zc = { 0 };
1805 (void) strcpy(zc.zc_name, name);
1806 (void) zfs_ioc_userspace_upgrade(&zc);
1814 if (nvpair_type(elem) == DATA_TYPE_STRING) {
1815 if (zfs_prop_get_type(prop) !=
1820 } else if (nvpair_type(elem) == DATA_TYPE_UINT64) {
1823 VERIFY(nvpair_value_uint64(elem, &intval) == 0);
1825 switch (zfs_prop_get_type(prop)) {
1826 case PROP_TYPE_NUMBER:
1828 case PROP_TYPE_STRING:
1831 case PROP_TYPE_INDEX:
1832 if (zfs_prop_index_to_string(prop,
1833 intval, &unused) != 0) {
1840 "unknown property type");
1847 if ((error = nvlist_add_nvpair(genericnvl, elem)) != 0)
1852 if (nvlist_next_nvpair(genericnvl, NULL) != NULL) {
1853 error = dsl_props_set(name, genericnvl);
1856 nvlist_free(genericnvl);
1861 * Check that all the properties are valid user properties.
1864 zfs_check_userprops(char *fsname, nvlist_t *nvl)
1866 nvpair_t *elem = NULL;
1869 while ((elem = nvlist_next_nvpair(nvl, elem)) != NULL) {
1870 const char *propname = nvpair_name(elem);
1873 if (!zfs_prop_user(propname) ||
1874 nvpair_type(elem) != DATA_TYPE_STRING)
1877 if (error = zfs_secpolicy_write_perms(fsname,
1878 ZFS_DELEG_PERM_USERPROP, CRED()))
1881 if (strlen(propname) >= ZAP_MAXNAMELEN)
1882 return (ENAMETOOLONG);
1884 VERIFY(nvpair_value_string(elem, &valstr) == 0);
1885 if (strlen(valstr) >= ZAP_MAXVALUELEN)
1893 * zc_name name of filesystem
1894 * zc_value name of property to set
1895 * zc_nvlist_src{_size} nvlist of properties to apply
1896 * zc_cookie clear existing local props?
1901 zfs_ioc_set_prop(zfs_cmd_t *zc)
1906 if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
1907 zc->zc_iflags, &nvl)) != 0)
1910 if (zc->zc_cookie) {
1911 nvlist_t *origprops;
1914 if (dmu_objset_open(zc->zc_name, DMU_OST_ANY,
1915 DS_MODE_USER | DS_MODE_READONLY, &os) == 0) {
1916 if (dsl_prop_get_all(os, &origprops, TRUE) == 0) {
1917 clear_props(zc->zc_name, origprops, nvl);
1918 nvlist_free(origprops);
1920 dmu_objset_close(os);
1925 error = zfs_set_prop_nvlist(zc->zc_name, nvl);
1933 * zc_name name of filesystem
1934 * zc_value name of property to inherit
1939 zfs_ioc_inherit_prop(zfs_cmd_t *zc)
1941 /* the property name has been validated by zfs_secpolicy_inherit() */
1942 return (dsl_prop_set(zc->zc_name, zc->zc_value, 0, 0, NULL));
1946 zfs_ioc_pool_set_props(zfs_cmd_t *zc)
1953 if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
1954 zc->zc_iflags, &props)))
1958 * If the only property is the configfile, then just do a spa_lookup()
1959 * to handle the faulted case.
1961 elem = nvlist_next_nvpair(props, NULL);
1962 if (elem != NULL && strcmp(nvpair_name(elem),
1963 zpool_prop_to_name(ZPOOL_PROP_CACHEFILE)) == 0 &&
1964 nvlist_next_nvpair(props, elem) == NULL) {
1965 mutex_enter(&spa_namespace_lock);
1966 if ((spa = spa_lookup(zc->zc_name)) != NULL) {
1967 spa_configfile_set(spa, props, B_FALSE);
1968 spa_config_sync(spa, B_FALSE, B_TRUE);
1970 mutex_exit(&spa_namespace_lock);
1975 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) {
1980 error = spa_prop_set(spa, props);
1983 spa_close(spa, FTAG);
1989 zfs_ioc_pool_get_props(zfs_cmd_t *zc)
1993 nvlist_t *nvp = NULL;
1995 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0) {
1997 * If the pool is faulted, there may be properties we can still
1998 * get (such as altroot and cachefile), so attempt to get them
2001 mutex_enter(&spa_namespace_lock);
2002 if ((spa = spa_lookup(zc->zc_name)) != NULL)
2003 error = spa_prop_get(spa, &nvp);
2004 mutex_exit(&spa_namespace_lock);
2006 error = spa_prop_get(spa, &nvp);
2007 spa_close(spa, FTAG);
2010 if (error == 0 && zc->zc_nvlist_dst != NULL)
2011 error = put_nvlist(zc, nvp);
2020 zfs_ioc_iscsi_perm_check(zfs_cmd_t *zc)
2030 if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
2031 zc->zc_iflags, &nvp)) != 0) {
2035 if ((error = nvlist_lookup_uint32(nvp,
2036 ZFS_DELEG_PERM_UID, &uid)) != 0) {
2041 if ((error = nvlist_lookup_uint32(nvp,
2042 ZFS_DELEG_PERM_GID, &gid)) != 0) {
2047 if ((error = nvlist_lookup_uint32_array(nvp, ZFS_DELEG_PERM_GROUPS,
2048 &groups, &group_cnt)) != 0) {
2052 usercred = cralloc();
2053 if ((crsetugid(usercred, uid, gid) != 0) ||
2054 (crsetgroups(usercred, group_cnt, (gid_t *)groups) != 0)) {
2060 error = dsl_deleg_access(zc->zc_name,
2061 zfs_prop_to_name(ZFS_PROP_SHAREISCSI), usercred);
2068 * zc_name name of filesystem
2069 * zc_nvlist_src{_size} nvlist of delegated permissions
2070 * zc_perm_action allow/unallow flag
2075 zfs_ioc_set_fsacl(zfs_cmd_t *zc)
2078 nvlist_t *fsaclnv = NULL;
2080 if ((error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
2081 zc->zc_iflags, &fsaclnv)) != 0)
2085 * Verify nvlist is constructed correctly
2087 if ((error = zfs_deleg_verify_nvlist(fsaclnv)) != 0) {
2088 nvlist_free(fsaclnv);
2093 * If we don't have PRIV_SYS_MOUNT, then validate
2094 * that user is allowed to hand out each permission in
2098 error = secpolicy_zfs(CRED());
2100 if (zc->zc_perm_action == B_FALSE) {
2101 error = dsl_deleg_can_allow(zc->zc_name,
2104 error = dsl_deleg_can_unallow(zc->zc_name,
2110 error = dsl_deleg_set(zc->zc_name, fsaclnv, zc->zc_perm_action);
2112 nvlist_free(fsaclnv);
2118 * zc_name name of filesystem
2121 * zc_nvlist_src{_size} nvlist of delegated permissions
2124 zfs_ioc_get_fsacl(zfs_cmd_t *zc)
2129 if ((error = dsl_deleg_get(zc->zc_name, &nvp)) == 0) {
2130 error = put_nvlist(zc, nvp);
2139 * zc_name name of volume
2144 zfs_ioc_create_minor(zfs_cmd_t *zc)
2146 return (zvol_create_minor(zc->zc_name, ddi_driver_major(zfs_dip)));
2151 * zc_name name of volume
2156 zfs_ioc_remove_minor(zfs_cmd_t *zc)
2158 return (zvol_remove_minor(zc->zc_name));
2162 * Search the vfs list for a specified resource. Returns a pointer to it
2163 * or NULL if no suitable entry is found. The caller of this routine
2164 * is responsible for releasing the returned vfs pointer.
2167 zfs_get_vfs(const char *resource)
2170 struct vfs *vfs_found = NULL;
2172 vfs_list_read_lock();
2175 if (strcmp(refstr_value(vfsp->vfs_resource), resource) == 0) {
2180 vfsp = vfsp->vfs_next;
2181 } while (vfsp != rootvfs);
2188 zfs_create_cb(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx)
2190 zfs_creat_t *zct = arg;
2192 zfs_create_fs(os, cr, zct->zct_zplprops, tx);
2195 #define ZFS_PROP_UNDEFINED ((uint64_t)-1)
2199 * createprops list of properties requested by creator
2200 * default_zplver zpl version to use if unspecified in createprops
2201 * fuids_ok fuids allowed in this version of the spa?
2202 * os parent objset pointer (NULL if root fs)
2205 * zplprops values for the zplprops we attach to the master node object
2206 * is_ci true if requested file system will be purely case-insensitive
2208 * Determine the settings for utf8only, normalization and
2209 * casesensitivity. Specific values may have been requested by the
2210 * creator and/or we can inherit values from the parent dataset. If
2211 * the file system is of too early a vintage, a creator can not
2212 * request settings for these properties, even if the requested
2213 * setting is the default value. We don't actually want to create dsl
2214 * properties for these, so remove them from the source nvlist after
2218 zfs_fill_zplprops_impl(objset_t *os, uint64_t zplver,
2219 boolean_t fuids_ok, nvlist_t *createprops, nvlist_t *zplprops,
2222 uint64_t sense = ZFS_PROP_UNDEFINED;
2223 uint64_t norm = ZFS_PROP_UNDEFINED;
2224 uint64_t u8 = ZFS_PROP_UNDEFINED;
2226 ASSERT(zplprops != NULL);
2229 * Pull out creator prop choices, if any.
2232 (void) nvlist_lookup_uint64(createprops,
2233 zfs_prop_to_name(ZFS_PROP_VERSION), &zplver);
2234 (void) nvlist_lookup_uint64(createprops,
2235 zfs_prop_to_name(ZFS_PROP_NORMALIZE), &norm);
2236 (void) nvlist_remove_all(createprops,
2237 zfs_prop_to_name(ZFS_PROP_NORMALIZE));
2238 (void) nvlist_lookup_uint64(createprops,
2239 zfs_prop_to_name(ZFS_PROP_UTF8ONLY), &u8);
2240 (void) nvlist_remove_all(createprops,
2241 zfs_prop_to_name(ZFS_PROP_UTF8ONLY));
2242 (void) nvlist_lookup_uint64(createprops,
2243 zfs_prop_to_name(ZFS_PROP_CASE), &sense);
2244 (void) nvlist_remove_all(createprops,
2245 zfs_prop_to_name(ZFS_PROP_CASE));
2249 * If the zpl version requested is whacky or the file system
2250 * or pool is version is too "young" to support normalization
2251 * and the creator tried to set a value for one of the props,
2254 if ((zplver < ZPL_VERSION_INITIAL || zplver > ZPL_VERSION) ||
2255 (zplver >= ZPL_VERSION_FUID && !fuids_ok) ||
2256 (zplver < ZPL_VERSION_NORMALIZATION &&
2257 (norm != ZFS_PROP_UNDEFINED || u8 != ZFS_PROP_UNDEFINED ||
2258 sense != ZFS_PROP_UNDEFINED)))
2262 * Put the version in the zplprops
2264 VERIFY(nvlist_add_uint64(zplprops,
2265 zfs_prop_to_name(ZFS_PROP_VERSION), zplver) == 0);
2267 if (norm == ZFS_PROP_UNDEFINED)
2268 VERIFY(zfs_get_zplprop(os, ZFS_PROP_NORMALIZE, &norm) == 0);
2269 VERIFY(nvlist_add_uint64(zplprops,
2270 zfs_prop_to_name(ZFS_PROP_NORMALIZE), norm) == 0);
2273 * If we're normalizing, names must always be valid UTF-8 strings.
2277 if (u8 == ZFS_PROP_UNDEFINED)
2278 VERIFY(zfs_get_zplprop(os, ZFS_PROP_UTF8ONLY, &u8) == 0);
2279 VERIFY(nvlist_add_uint64(zplprops,
2280 zfs_prop_to_name(ZFS_PROP_UTF8ONLY), u8) == 0);
2282 if (sense == ZFS_PROP_UNDEFINED)
2283 VERIFY(zfs_get_zplprop(os, ZFS_PROP_CASE, &sense) == 0);
2284 VERIFY(nvlist_add_uint64(zplprops,
2285 zfs_prop_to_name(ZFS_PROP_CASE), sense) == 0);
2288 *is_ci = (sense == ZFS_CASE_INSENSITIVE);
2294 zfs_fill_zplprops(const char *dataset, nvlist_t *createprops,
2295 nvlist_t *zplprops, boolean_t *is_ci)
2297 boolean_t fuids_ok = B_TRUE;
2298 uint64_t zplver = ZPL_VERSION;
2299 objset_t *os = NULL;
2300 char parentname[MAXNAMELEN];
2304 (void) strlcpy(parentname, dataset, sizeof (parentname));
2305 cp = strrchr(parentname, '/');
2309 if (zfs_earlier_version(dataset, SPA_VERSION_USERSPACE))
2310 zplver = ZPL_VERSION_USERSPACE - 1;
2311 if (zfs_earlier_version(dataset, SPA_VERSION_FUID)) {
2312 zplver = ZPL_VERSION_FUID - 1;
2317 * Open parent object set so we can inherit zplprop values.
2319 if ((error = dmu_objset_open(parentname, DMU_OST_ANY,
2320 DS_MODE_USER | DS_MODE_READONLY, &os)) != 0)
2323 error = zfs_fill_zplprops_impl(os, zplver, fuids_ok, createprops,
2325 dmu_objset_close(os);
2330 zfs_fill_zplprops_root(uint64_t spa_vers, nvlist_t *createprops,
2331 nvlist_t *zplprops, boolean_t *is_ci)
2333 boolean_t fuids_ok = B_TRUE;
2334 uint64_t zplver = ZPL_VERSION;
2337 if (spa_vers < SPA_VERSION_FUID) {
2338 zplver = ZPL_VERSION_FUID - 1;
2342 error = zfs_fill_zplprops_impl(NULL, zplver, fuids_ok, createprops,
2349 * zc_objset_type type of objset to create (fs vs zvol)
2350 * zc_name name of new objset
2351 * zc_value name of snapshot to clone from (may be empty)
2352 * zc_nvlist_src{_size} nvlist of properties to apply
2357 zfs_ioc_create(zfs_cmd_t *zc)
2362 nvlist_t *nvprops = NULL;
2363 void (*cbfunc)(objset_t *os, void *arg, cred_t *cr, dmu_tx_t *tx);
2364 dmu_objset_type_t type = zc->zc_objset_type;
2369 cbfunc = zfs_create_cb;
2373 cbfunc = zvol_create_cb;
2380 if (strchr(zc->zc_name, '@') ||
2381 strchr(zc->zc_name, '%'))
2384 if (zc->zc_nvlist_src != NULL &&
2385 (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
2386 zc->zc_iflags, &nvprops)) != 0)
2389 zct.zct_zplprops = NULL;
2390 zct.zct_props = nvprops;
2392 if (zc->zc_value[0] != '\0') {
2394 * We're creating a clone of an existing snapshot.
2396 zc->zc_value[sizeof (zc->zc_value) - 1] = '\0';
2397 if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0) {
2398 nvlist_free(nvprops);
2402 error = dmu_objset_open(zc->zc_value, type,
2403 DS_MODE_USER | DS_MODE_READONLY, &clone);
2405 nvlist_free(nvprops);
2409 error = dmu_objset_create(zc->zc_name, type, clone, 0,
2412 dmu_objset_close(clone);
2413 nvlist_free(nvprops);
2416 dmu_objset_close(clone);
2418 boolean_t is_insensitive = B_FALSE;
2420 if (cbfunc == NULL) {
2421 nvlist_free(nvprops);
2425 if (type == DMU_OST_ZVOL) {
2426 uint64_t volsize, volblocksize;
2428 if (nvprops == NULL ||
2429 nvlist_lookup_uint64(nvprops,
2430 zfs_prop_to_name(ZFS_PROP_VOLSIZE),
2432 nvlist_free(nvprops);
2436 if ((error = nvlist_lookup_uint64(nvprops,
2437 zfs_prop_to_name(ZFS_PROP_VOLBLOCKSIZE),
2438 &volblocksize)) != 0 && error != ENOENT) {
2439 nvlist_free(nvprops);
2444 volblocksize = zfs_prop_default_numeric(
2445 ZFS_PROP_VOLBLOCKSIZE);
2447 if ((error = zvol_check_volblocksize(
2448 volblocksize)) != 0 ||
2449 (error = zvol_check_volsize(volsize,
2450 volblocksize)) != 0) {
2451 nvlist_free(nvprops);
2454 } else if (type == DMU_OST_ZFS) {
2458 * We have to have normalization and
2459 * case-folding flags correct when we do the
2460 * file system creation, so go figure them out
2463 VERIFY(nvlist_alloc(&zct.zct_zplprops,
2464 NV_UNIQUE_NAME, KM_SLEEP) == 0);
2465 error = zfs_fill_zplprops(zc->zc_name, nvprops,
2466 zct.zct_zplprops, &is_insensitive);
2468 nvlist_free(nvprops);
2469 nvlist_free(zct.zct_zplprops);
2473 error = dmu_objset_create(zc->zc_name, type, NULL,
2474 is_insensitive ? DS_FLAG_CI_DATASET : 0, cbfunc, &zct);
2475 nvlist_free(zct.zct_zplprops);
2479 * It would be nice to do this atomically.
2482 if ((error = zfs_set_prop_nvlist(zc->zc_name, nvprops)) != 0)
2483 (void) dmu_objset_destroy(zc->zc_name, B_FALSE);
2485 nvlist_free(nvprops);
2491 * zc_name name of filesystem
2492 * zc_value short name of snapshot
2493 * zc_cookie recursive flag
2494 * zc_nvlist_src[_size] property list
2499 zfs_ioc_snapshot(zfs_cmd_t *zc)
2501 nvlist_t *nvprops = NULL;
2503 boolean_t recursive = zc->zc_cookie;
2505 if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0)
2508 if (zc->zc_nvlist_src != NULL &&
2509 (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
2510 zc->zc_iflags, &nvprops)) != 0)
2513 error = zfs_check_userprops(zc->zc_name, nvprops);
2517 if (nvprops != NULL && nvlist_next_nvpair(nvprops, NULL) != NULL &&
2518 zfs_earlier_version(zc->zc_name, SPA_VERSION_SNAP_PROPS)) {
2523 error = dmu_objset_snapshot(zc->zc_name, zc->zc_value,
2524 nvprops, recursive);
2527 nvlist_free(nvprops);
2532 zfs_unmount_snap(char *name, void *arg)
2537 char *snapname = arg;
2538 int len = strlen(name) + strlen(snapname) + 2;
2539 char *buf = kmem_alloc(len, KM_SLEEP);
2541 (void) strcpy(buf, name);
2542 (void) strcat(buf, "@");
2543 (void) strcat(buf, snapname);
2544 vfsp = zfs_get_vfs(buf);
2545 kmem_free(buf, len);
2546 } else if (strchr(name, '@')) {
2547 vfsp = zfs_get_vfs(name);
2552 * Always force the unmount for snapshots.
2554 int flag = MS_FORCE;
2557 if ((err = vn_vfswlock(vfsp->vfs_vnodecovered)) != 0) {
2562 if ((err = dounmount(vfsp, flag, kcred)) != 0)
2570 * zc_name name of filesystem
2571 * zc_value short name of snapshot
2572 * zc_defer_destroy mark for deferred destroy
2577 zfs_ioc_destroy_snaps(zfs_cmd_t *zc)
2581 if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0)
2583 err = dmu_objset_find(zc->zc_name,
2584 zfs_unmount_snap, zc->zc_value, DS_FIND_CHILDREN);
2587 return (dmu_snapshots_destroy(zc->zc_name, zc->zc_value,
2588 zc->zc_defer_destroy));
2593 * zc_name name of dataset to destroy
2594 * zc_objset_type type of objset
2595 * zc_defer_destroy mark for deferred destroy
2600 zfs_ioc_destroy(zfs_cmd_t *zc)
2602 if (strchr(zc->zc_name, '@') && zc->zc_objset_type == DMU_OST_ZFS) {
2603 int err = zfs_unmount_snap(zc->zc_name, NULL);
2608 return (dmu_objset_destroy(zc->zc_name, zc->zc_defer_destroy));
2613 * zc_name name of dataset to rollback (to most recent snapshot)
2618 zfs_ioc_rollback(zfs_cmd_t *zc)
2622 zfsvfs_t *zfsvfs = NULL;
2625 * Get the zfsvfs for the receiving objset. There
2626 * won't be one if we're operating on a zvol, if the
2627 * objset doesn't exist yet, or is not mounted.
2629 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY, DS_MODE_USER, &os);
2633 if (getzfsvfs(zc->zc_name, &zfsvfs) == 0) {
2636 error = zfs_suspend_fs(zfsvfs, NULL, &mode);
2640 error = dmu_objset_rollback(os);
2641 resume_err = zfs_resume_fs(zfsvfs, zc->zc_name, mode);
2642 error = error ? error : resume_err;
2644 dmu_objset_close(os);
2646 VFS_RELE(zfsvfs->z_vfs);
2648 error = dmu_objset_rollback(os);
2650 /* Note, the dmu_objset_rollback() releases the objset for us. */
2657 * zc_name old name of dataset
2658 * zc_value new name of dataset
2659 * zc_cookie recursive flag (only valid for snapshots)
2664 zfs_ioc_rename(zfs_cmd_t *zc)
2666 boolean_t recursive = zc->zc_cookie & 1;
2668 zc->zc_value[sizeof (zc->zc_value) - 1] = '\0';
2669 if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 ||
2670 strchr(zc->zc_value, '%'))
2674 * Unmount snapshot unless we're doing a recursive rename,
2675 * in which case the dataset code figures out which snapshots
2678 if (!recursive && strchr(zc->zc_name, '@') != NULL &&
2679 zc->zc_objset_type == DMU_OST_ZFS) {
2680 int err = zfs_unmount_snap(zc->zc_name, NULL);
2684 return (dmu_objset_rename(zc->zc_name, zc->zc_value, recursive));
2688 clear_props(char *dataset, nvlist_t *props, nvlist_t *newprops)
2695 zc = kmem_alloc(sizeof (zfs_cmd_t), KM_SLEEP);
2696 (void) strcpy(zc->zc_name, dataset);
2697 for (prop = nvlist_next_nvpair(props, NULL); prop;
2698 prop = nvlist_next_nvpair(props, prop)) {
2699 if (newprops != NULL &&
2700 nvlist_exists(newprops, nvpair_name(prop)))
2702 (void) strcpy(zc->zc_value, nvpair_name(prop));
2703 if (zfs_secpolicy_inherit(zc, CRED()) == 0)
2704 (void) zfs_ioc_inherit_prop(zc);
2706 kmem_free(zc, sizeof (zfs_cmd_t));
2711 * zc_name name of containing filesystem
2712 * zc_nvlist_src{_size} nvlist of properties to apply
2713 * zc_value name of snapshot to create
2714 * zc_string name of clone origin (if DRR_FLAG_CLONE)
2715 * zc_cookie file descriptor to recv from
2716 * zc_begin_record the BEGIN record of the stream (not byteswapped)
2717 * zc_guid force flag
2720 * zc_cookie number of bytes read
2723 zfs_ioc_recv(zfs_cmd_t *zc)
2727 dmu_recv_cookie_t drc;
2728 boolean_t force = (boolean_t)zc->zc_guid;
2731 nvlist_t *props = NULL;
2732 nvlist_t *origprops = NULL;
2733 objset_t *origin = NULL;
2735 char tofs[ZFS_MAXNAMELEN];
2737 if (dataset_namecheck(zc->zc_value, NULL, NULL) != 0 ||
2738 strchr(zc->zc_value, '@') == NULL ||
2739 strchr(zc->zc_value, '%'))
2742 (void) strcpy(tofs, zc->zc_value);
2743 tosnap = strchr(tofs, '@');
2747 if (zc->zc_nvlist_src != NULL &&
2748 (error = get_nvlist(zc->zc_nvlist_src, zc->zc_nvlist_src_size,
2749 zc->zc_iflags, &props)) != 0)
2759 if (props && dmu_objset_open(tofs, DMU_OST_ANY,
2760 DS_MODE_USER | DS_MODE_READONLY, &os) == 0) {
2762 * If new properties are supplied, they are to completely
2763 * replace the existing ones, so stash away the existing ones.
2765 (void) dsl_prop_get_all(os, &origprops, TRUE);
2767 dmu_objset_close(os);
2770 if (zc->zc_string[0]) {
2771 error = dmu_objset_open(zc->zc_string, DMU_OST_ANY,
2772 DS_MODE_USER | DS_MODE_READONLY, &origin);
2777 error = dmu_recv_begin(tofs, tosnap, &zc->zc_begin_record,
2778 force, origin, &drc);
2780 dmu_objset_close(origin);
2785 * Reset properties. We do this before we receive the stream
2786 * so that the properties are applied to the new data.
2789 clear_props(tofs, origprops, props);
2791 * XXX - Note, this is all-or-nothing; should be best-effort.
2793 (void) zfs_set_prop_nvlist(tofs, props);
2797 error = dmu_recv_stream(&drc, fp->f_vnode, &off);
2800 zfsvfs_t *zfsvfs = NULL;
2802 if (getzfsvfs(tofs, &zfsvfs) == 0) {
2808 osname = kmem_alloc(MAXNAMELEN, KM_SLEEP);
2809 error = zfs_suspend_fs(zfsvfs, osname, &mode);
2811 * If the suspend fails, then the recv_end will
2812 * likely also fail, and clean up after itself.
2814 end_err = dmu_recv_end(&drc);
2817 zfs_resume_fs(zfsvfs, osname, mode);
2818 error = error ? error : resume_err;
2820 error = error ? error : end_err;
2821 VFS_RELE(zfsvfs->z_vfs);
2822 kmem_free(osname, MAXNAMELEN);
2824 error = dmu_recv_end(&drc);
2828 zc->zc_cookie = off - fp->f_offset;
2829 if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0)
2833 * On error, restore the original props.
2835 if (error && props) {
2836 clear_props(tofs, props, NULL);
2837 (void) zfs_set_prop_nvlist(tofs, origprops);
2841 nvlist_free(origprops);
2848 * zc_name name of snapshot to send
2849 * zc_value short name of incremental fromsnap (may be empty)
2850 * zc_cookie file descriptor to send stream to
2851 * zc_obj fromorigin flag (mutually exclusive with zc_value)
2856 zfs_ioc_send(zfs_cmd_t *zc)
2858 objset_t *fromsnap = NULL;
2864 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY,
2865 DS_MODE_USER | DS_MODE_READONLY, &tosnap);
2869 if (zc->zc_value[0] != '\0') {
2873 buf = kmem_alloc(MAXPATHLEN, KM_SLEEP);
2874 (void) strncpy(buf, zc->zc_name, MAXPATHLEN);
2875 cp = strchr(buf, '@');
2878 (void) strncat(buf, zc->zc_value, MAXPATHLEN);
2879 error = dmu_objset_open(buf, DMU_OST_ANY,
2880 DS_MODE_USER | DS_MODE_READONLY, &fromsnap);
2881 kmem_free(buf, MAXPATHLEN);
2883 dmu_objset_close(tosnap);
2888 fp = getf(zc->zc_cookie);
2890 dmu_objset_close(tosnap);
2892 dmu_objset_close(fromsnap);
2897 error = dmu_sendbackup(tosnap, fromsnap, zc->zc_obj, fp->f_vnode, &off);
2899 if (VOP_SEEK(fp->f_vnode, fp->f_offset, &off, NULL) == 0)
2901 releasef(zc->zc_cookie);
2903 dmu_objset_close(fromsnap);
2904 dmu_objset_close(tosnap);
2909 zfs_ioc_inject_fault(zfs_cmd_t *zc)
2913 error = zio_inject_fault(zc->zc_name, (int)zc->zc_guid, &id,
2914 &zc->zc_inject_record);
2917 zc->zc_guid = (uint64_t)id;
2923 zfs_ioc_clear_fault(zfs_cmd_t *zc)
2925 return (zio_clear_fault((int)zc->zc_guid));
2929 zfs_ioc_inject_list_next(zfs_cmd_t *zc)
2931 int id = (int)zc->zc_guid;
2934 error = zio_inject_list_next(&id, zc->zc_name, sizeof (zc->zc_name),
2935 &zc->zc_inject_record);
2943 zfs_ioc_error_log(zfs_cmd_t *zc)
2947 size_t count = (size_t)zc->zc_nvlist_dst_size;
2949 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0)
2952 error = spa_get_errlog(spa, (void *)(uintptr_t)zc->zc_nvlist_dst,
2955 zc->zc_nvlist_dst_size = count;
2957 zc->zc_nvlist_dst_size = spa_get_errlog_size(spa);
2959 spa_close(spa, FTAG);
2965 zfs_ioc_clear(zfs_cmd_t *zc)
2972 * On zpool clear we also fix up missing slogs
2974 mutex_enter(&spa_namespace_lock);
2975 spa = spa_lookup(zc->zc_name);
2977 mutex_exit(&spa_namespace_lock);
2980 if (spa->spa_log_state == SPA_LOG_MISSING) {
2981 /* we need to let spa_open/spa_load clear the chains */
2982 spa->spa_log_state = SPA_LOG_CLEAR;
2984 mutex_exit(&spa_namespace_lock);
2986 if ((error = spa_open(zc->zc_name, &spa, FTAG)) != 0)
2989 spa_vdev_state_enter(spa);
2991 if (zc->zc_guid == 0) {
2994 vd = spa_lookup_by_guid(spa, zc->zc_guid, B_TRUE);
2996 (void) spa_vdev_state_exit(spa, NULL, ENODEV);
2997 spa_close(spa, FTAG);
3002 vdev_clear(spa, vd);
3004 (void) spa_vdev_state_exit(spa, NULL, 0);
3007 * Resume any suspended I/Os.
3009 if (zio_resume(spa) != 0)
3012 spa_close(spa, FTAG);
3019 * zc_name name of filesystem
3020 * zc_value name of origin snapshot
3025 zfs_ioc_promote(zfs_cmd_t *zc)
3030 * We don't need to unmount *all* the origin fs's snapshots, but
3033 cp = strchr(zc->zc_value, '@');
3036 (void) dmu_objset_find(zc->zc_value,
3037 zfs_unmount_snap, NULL, DS_FIND_SNAPSHOTS);
3038 return (dsl_dataset_promote(zc->zc_name));
3042 * Retrieve a single {user|group}{used|quota}@... property.
3045 * zc_name name of filesystem
3046 * zc_objset_type zfs_userquota_prop_t
3047 * zc_value domain name (eg. "S-1-234-567-89")
3048 * zc_guid RID/UID/GID
3051 * zc_cookie property value
3054 zfs_ioc_userspace_one(zfs_cmd_t *zc)
3059 if (zc->zc_objset_type >= ZFS_NUM_USERQUOTA_PROPS)
3062 error = zfsvfs_hold(zc->zc_name, B_TRUE, FTAG, &zfsvfs);
3066 error = zfs_userspace_one(zfsvfs,
3067 zc->zc_objset_type, zc->zc_value, zc->zc_guid, &zc->zc_cookie);
3068 zfsvfs_rele(zfsvfs, FTAG);
3075 * zc_name name of filesystem
3076 * zc_cookie zap cursor
3077 * zc_objset_type zfs_userquota_prop_t
3078 * zc_nvlist_dst[_size] buffer to fill (not really an nvlist)
3081 * zc_nvlist_dst[_size] data buffer (array of zfs_useracct_t)
3082 * zc_cookie zap cursor
3085 zfs_ioc_userspace_many(zfs_cmd_t *zc)
3090 error = zfsvfs_hold(zc->zc_name, B_TRUE, FTAG, &zfsvfs);
3094 int bufsize = zc->zc_nvlist_dst_size;
3095 void *buf = kmem_alloc(bufsize, KM_SLEEP);
3097 error = zfs_userspace_many(zfsvfs, zc->zc_objset_type, &zc->zc_cookie,
3098 buf, &zc->zc_nvlist_dst_size);
3101 error = xcopyout(buf,
3102 (void *)(uintptr_t)zc->zc_nvlist_dst,
3103 zc->zc_nvlist_dst_size);
3105 kmem_free(buf, bufsize);
3106 zfsvfs_rele(zfsvfs, FTAG);
3113 * zc_name name of filesystem
3119 zfs_ioc_userspace_upgrade(zfs_cmd_t *zc)
3125 if (getzfsvfs(zc->zc_name, &zfsvfs) == 0) {
3126 if (!dmu_objset_userused_enabled(zfsvfs->z_os->os)) {
3128 * If userused is not enabled, it may be because the
3129 * objset needs to be closed & reopened (to grow the
3130 * objset_phys_t). Suspend/resume the fs will do that.
3133 error = zfs_suspend_fs(zfsvfs, NULL, &mode);
3135 error = zfs_resume_fs(zfsvfs,
3140 error = dmu_objset_userspace_upgrade(zfsvfs->z_os);
3141 VFS_RELE(zfsvfs->z_vfs);
3143 error = dmu_objset_open(zc->zc_name, DMU_OST_ANY,
3148 error = dmu_objset_userspace_upgrade(os);
3149 dmu_objset_close(os);
3156 * We don't want to have a hard dependency
3157 * against some special symbols in sharefs
3158 * nfs, and smbsrv. Determine them if needed when
3159 * the first file system is shared.
3160 * Neither sharefs, nfs or smbsrv are unloadable modules.
3162 int (*znfsexport_fs)(void *arg);
3163 int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t);
3164 int (*zsmbexport_fs)(void *arg, boolean_t add_share);
3166 int zfs_nfsshare_inited;
3167 int zfs_smbshare_inited;
3169 ddi_modhandle_t nfs_mod;
3170 ddi_modhandle_t sharefs_mod;
3171 ddi_modhandle_t smbsrv_mod;
3172 kmutex_t zfs_share_lock;
3179 ASSERT(MUTEX_HELD(&zfs_share_lock));
3180 /* Both NFS and SMB shares also require sharetab support. */
3181 if (sharefs_mod == NULL && ((sharefs_mod =
3182 ddi_modopen("fs/sharefs",
3183 KRTLD_MODE_FIRST, &error)) == NULL)) {
3186 if (zshare_fs == NULL && ((zshare_fs =
3187 (int (*)(enum sharefs_sys_op, share_t *, uint32_t))
3188 ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) {
3195 zfs_ioc_share(zfs_cmd_t *zc)
3200 switch (zc->zc_share.z_sharetype) {
3202 case ZFS_UNSHARE_NFS:
3203 if (zfs_nfsshare_inited == 0) {
3204 mutex_enter(&zfs_share_lock);
3205 if (nfs_mod == NULL && ((nfs_mod = ddi_modopen("fs/nfs",
3206 KRTLD_MODE_FIRST, &error)) == NULL)) {
3207 mutex_exit(&zfs_share_lock);
3210 if (znfsexport_fs == NULL &&
3211 ((znfsexport_fs = (int (*)(void *))
3213 "nfs_export", &error)) == NULL)) {
3214 mutex_exit(&zfs_share_lock);
3217 error = zfs_init_sharefs();
3219 mutex_exit(&zfs_share_lock);
3222 zfs_nfsshare_inited = 1;
3223 mutex_exit(&zfs_share_lock);
3227 case ZFS_UNSHARE_SMB:
3228 if (zfs_smbshare_inited == 0) {
3229 mutex_enter(&zfs_share_lock);
3230 if (smbsrv_mod == NULL && ((smbsrv_mod =
3231 ddi_modopen("drv/smbsrv",
3232 KRTLD_MODE_FIRST, &error)) == NULL)) {
3233 mutex_exit(&zfs_share_lock);
3236 if (zsmbexport_fs == NULL && ((zsmbexport_fs =
3237 (int (*)(void *, boolean_t))ddi_modsym(smbsrv_mod,
3238 "smb_server_share", &error)) == NULL)) {
3239 mutex_exit(&zfs_share_lock);
3242 error = zfs_init_sharefs();
3244 mutex_exit(&zfs_share_lock);
3247 zfs_smbshare_inited = 1;
3248 mutex_exit(&zfs_share_lock);
3255 switch (zc->zc_share.z_sharetype) {
3257 case ZFS_UNSHARE_NFS:
3259 znfsexport_fs((void *)
3260 (uintptr_t)zc->zc_share.z_exportdata))
3264 case ZFS_UNSHARE_SMB:
3265 if (error = zsmbexport_fs((void *)
3266 (uintptr_t)zc->zc_share.z_exportdata,
3267 zc->zc_share.z_sharetype == ZFS_SHARE_SMB ?
3274 opcode = (zc->zc_share.z_sharetype == ZFS_SHARE_NFS ||
3275 zc->zc_share.z_sharetype == ZFS_SHARE_SMB) ?
3276 SHAREFS_ADD : SHAREFS_REMOVE;
3279 * Add or remove share from sharetab
3281 error = zshare_fs(opcode,
3282 (void *)(uintptr_t)zc->zc_share.z_sharedata,
3283 zc->zc_share.z_sharemax);
3289 ace_t full_access[] = {
3290 {(uid_t)-1, ACE_ALL_PERMS, ACE_EVERYONE, 0}
3294 * Remove all ACL files in shares dir
3297 zfs_smb_acl_purge(znode_t *dzp)
3300 zap_attribute_t zap;
3301 zfsvfs_t *zfsvfs = dzp->z_zfsvfs;
3304 for (zap_cursor_init(&zc, zfsvfs->z_os, dzp->z_id);
3305 (error = zap_cursor_retrieve(&zc, &zap)) == 0;
3306 zap_cursor_advance(&zc)) {
3307 if ((error = VOP_REMOVE(ZTOV(dzp), zap.za_name, kcred,
3311 zap_cursor_fini(&zc);
3316 zfs_ioc_smb_acl(zfs_cmd_t *zc)
3320 vnode_t *resourcevp = NULL;
3329 if ((error = lookupname(zc->zc_value, UIO_SYSSPACE,
3330 NO_FOLLOW, NULL, &vp)) != 0)
3333 /* Now make sure mntpnt and dataset are ZFS */
3335 if (vp->v_vfsp->vfs_fstype != zfsfstype ||
3336 (strcmp((char *)refstr_value(vp->v_vfsp->vfs_resource),
3337 zc->zc_name) != 0)) {
3343 zfsvfs = dzp->z_zfsvfs;
3347 * Create share dir if its missing.
3349 mutex_enter(&zfsvfs->z_lock);
3350 if (zfsvfs->z_shares_dir == 0) {
3353 tx = dmu_tx_create(zfsvfs->z_os);
3354 dmu_tx_hold_zap(tx, MASTER_NODE_OBJ, TRUE,
3356 dmu_tx_hold_zap(tx, DMU_NEW_OBJECT, FALSE, NULL);
3357 error = dmu_tx_assign(tx, TXG_WAIT);
3361 error = zfs_create_share_dir(zfsvfs, tx);
3365 mutex_exit(&zfsvfs->z_lock);
3371 mutex_exit(&zfsvfs->z_lock);
3373 ASSERT(zfsvfs->z_shares_dir);
3374 if ((error = zfs_zget(zfsvfs, zfsvfs->z_shares_dir, &sharedir)) != 0) {
3380 switch (zc->zc_cookie) {
3381 case ZFS_SMB_ACL_ADD:
3382 vattr.va_mask = AT_MODE|AT_UID|AT_GID|AT_TYPE;
3383 vattr.va_type = VREG;
3384 vattr.va_mode = S_IFREG|0777;
3388 vsec.vsa_mask = VSA_ACE;
3389 vsec.vsa_aclentp = &full_access;
3390 vsec.vsa_aclentsz = sizeof (full_access);
3391 vsec.vsa_aclcnt = 1;
3393 error = VOP_CREATE(ZTOV(sharedir), zc->zc_string,
3394 &vattr, EXCL, 0, &resourcevp, kcred, 0, NULL, &vsec);
3396 VN_RELE(resourcevp);
3399 case ZFS_SMB_ACL_REMOVE:
3400 error = VOP_REMOVE(ZTOV(sharedir), zc->zc_string, kcred,
3404 case ZFS_SMB_ACL_RENAME:
3405 if ((error = get_nvlist(zc->zc_nvlist_src,
3406 zc->zc_nvlist_src_size, zc->zc_iflags, &nvlist)) != 0) {
3411 if (nvlist_lookup_string(nvlist, ZFS_SMB_ACL_SRC, &src) ||
3412 nvlist_lookup_string(nvlist, ZFS_SMB_ACL_TARGET,
3415 VN_RELE(ZTOV(sharedir));
3419 error = VOP_RENAME(ZTOV(sharedir), src, ZTOV(sharedir), target,
3421 nvlist_free(nvlist);
3424 case ZFS_SMB_ACL_PURGE:
3425 error = zfs_smb_acl_purge(sharedir);
3434 VN_RELE(ZTOV(sharedir));
3443 * zc_name name of filesystem
3444 * zc_value short name of snap
3445 * zc_string user-supplied tag for this reference
3446 * zc_cookie recursive flag
3451 zfs_ioc_hold(zfs_cmd_t *zc)
3453 boolean_t recursive = zc->zc_cookie;
3455 if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0)
3458 return (dsl_dataset_user_hold(zc->zc_name, zc->zc_value,
3459 zc->zc_string, recursive));
3464 * zc_name name of dataset from which we're releasing a user reference
3465 * zc_value short name of snap
3466 * zc_string user-supplied tag for this reference
3467 * zc_cookie recursive flag
3472 zfs_ioc_release(zfs_cmd_t *zc)
3474 boolean_t recursive = zc->zc_cookie;
3476 if (snapshot_namecheck(zc->zc_value, NULL, NULL) != 0)
3479 return (dsl_dataset_user_release(zc->zc_name, zc->zc_value,
3480 zc->zc_string, recursive));
3485 * zc_name name of filesystem
3488 * zc_nvlist_src{_size} nvlist of snapshot holds
3491 zfs_ioc_get_holds(zfs_cmd_t *zc)
3496 if ((error = dsl_dataset_get_holds(zc->zc_name, &nvp)) == 0) {
3497 error = put_nvlist(zc, nvp);
3505 * pool create, destroy, and export don't log the history as part of
3506 * zfsdev_ioctl, but rather zfs_ioc_pool_create, and zfs_ioc_pool_export
3507 * do the logging of those commands.
3509 static zfs_ioc_vec_t zfs_ioc_vec[] = {
3510 { zfs_ioc_pool_create, zfs_secpolicy_config, POOL_NAME, B_FALSE,
3512 { zfs_ioc_pool_destroy, zfs_secpolicy_config, POOL_NAME, B_FALSE,
3514 { zfs_ioc_pool_import, zfs_secpolicy_config, POOL_NAME, B_TRUE,
3516 { zfs_ioc_pool_export, zfs_secpolicy_config, POOL_NAME, B_FALSE,
3518 { zfs_ioc_pool_configs, zfs_secpolicy_none, NO_NAME, B_FALSE,
3520 { zfs_ioc_pool_stats, zfs_secpolicy_read, POOL_NAME, B_FALSE,
3522 { zfs_ioc_pool_tryimport, zfs_secpolicy_config, NO_NAME, B_FALSE,
3524 { zfs_ioc_pool_scrub, zfs_secpolicy_config, POOL_NAME, B_TRUE,
3526 { zfs_ioc_pool_freeze, zfs_secpolicy_config, NO_NAME, B_FALSE,
3528 { zfs_ioc_pool_upgrade, zfs_secpolicy_config, POOL_NAME, B_TRUE,
3530 { zfs_ioc_pool_get_history, zfs_secpolicy_config, POOL_NAME, B_FALSE,
3532 { zfs_ioc_vdev_add, zfs_secpolicy_config, POOL_NAME, B_TRUE,
3534 { zfs_ioc_vdev_remove, zfs_secpolicy_config, POOL_NAME, B_TRUE,
3536 { zfs_ioc_vdev_set_state, zfs_secpolicy_config, POOL_NAME, B_TRUE,
3538 { zfs_ioc_vdev_attach, zfs_secpolicy_config, POOL_NAME, B_TRUE,
3540 { zfs_ioc_vdev_detach, zfs_secpolicy_config, POOL_NAME, B_TRUE,
3542 { zfs_ioc_vdev_setpath, zfs_secpolicy_config, POOL_NAME, B_FALSE,
3544 { zfs_ioc_vdev_setfru, zfs_secpolicy_config, POOL_NAME, B_FALSE,
3546 { zfs_ioc_objset_stats, zfs_secpolicy_read, DATASET_NAME, B_FALSE,
3548 { zfs_ioc_objset_zplprops, zfs_secpolicy_read, DATASET_NAME, B_FALSE,
3550 { zfs_ioc_dataset_list_next, zfs_secpolicy_read, DATASET_NAME, B_FALSE,
3552 { zfs_ioc_snapshot_list_next, zfs_secpolicy_read, DATASET_NAME, B_FALSE,
3554 { zfs_ioc_set_prop, zfs_secpolicy_none, DATASET_NAME, B_TRUE, B_TRUE },
3555 { zfs_ioc_create_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE,
3557 { zfs_ioc_remove_minor, zfs_secpolicy_minor, DATASET_NAME, B_FALSE,
3559 { zfs_ioc_create, zfs_secpolicy_create, DATASET_NAME, B_TRUE, B_TRUE },
3560 { zfs_ioc_destroy, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE,
3562 { zfs_ioc_rollback, zfs_secpolicy_rollback, DATASET_NAME, B_TRUE,
3564 { zfs_ioc_rename, zfs_secpolicy_rename, DATASET_NAME, B_TRUE, B_TRUE },
3565 { zfs_ioc_recv, zfs_secpolicy_receive, DATASET_NAME, B_TRUE, B_TRUE },
3566 { zfs_ioc_send, zfs_secpolicy_send, DATASET_NAME, B_TRUE, B_FALSE },
3567 { zfs_ioc_inject_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE,
3569 { zfs_ioc_clear_fault, zfs_secpolicy_inject, NO_NAME, B_FALSE,
3571 { zfs_ioc_inject_list_next, zfs_secpolicy_inject, NO_NAME, B_FALSE,
3573 { zfs_ioc_error_log, zfs_secpolicy_inject, POOL_NAME, B_FALSE,
3575 { zfs_ioc_clear, zfs_secpolicy_config, POOL_NAME, B_TRUE, B_FALSE },
3576 { zfs_ioc_promote, zfs_secpolicy_promote, DATASET_NAME, B_TRUE,
3578 { zfs_ioc_destroy_snaps, zfs_secpolicy_destroy, DATASET_NAME, B_TRUE,
3580 { zfs_ioc_snapshot, zfs_secpolicy_snapshot, DATASET_NAME, B_TRUE,
3582 { zfs_ioc_dsobj_to_dsname, zfs_secpolicy_config, POOL_NAME, B_FALSE,
3584 { zfs_ioc_obj_to_path, zfs_secpolicy_config, DATASET_NAME, B_FALSE,
3586 { zfs_ioc_pool_set_props, zfs_secpolicy_config, POOL_NAME, B_TRUE,
3588 { zfs_ioc_pool_get_props, zfs_secpolicy_read, POOL_NAME, B_FALSE,
3590 { zfs_ioc_set_fsacl, zfs_secpolicy_fsacl, DATASET_NAME, B_TRUE,
3592 { zfs_ioc_get_fsacl, zfs_secpolicy_read, DATASET_NAME, B_FALSE,
3594 { zfs_ioc_iscsi_perm_check, zfs_secpolicy_iscsi, DATASET_NAME, B_FALSE,
3596 { zfs_ioc_share, zfs_secpolicy_share, DATASET_NAME, B_FALSE, B_FALSE },
3597 { zfs_ioc_inherit_prop, zfs_secpolicy_inherit, DATASET_NAME, B_TRUE,
3599 { zfs_ioc_smb_acl, zfs_secpolicy_smb_acl, DATASET_NAME, B_FALSE,
3601 { zfs_ioc_userspace_one, zfs_secpolicy_userspace_one,
3602 DATASET_NAME, B_FALSE, B_FALSE },
3603 { zfs_ioc_userspace_many, zfs_secpolicy_userspace_many,
3604 DATASET_NAME, B_FALSE, B_FALSE },
3605 { zfs_ioc_userspace_upgrade, zfs_secpolicy_userspace_upgrade,
3606 DATASET_NAME, B_FALSE, B_TRUE },
3607 { zfs_ioc_hold, zfs_secpolicy_hold, DATASET_NAME, B_TRUE, B_TRUE },
3608 { zfs_ioc_release, zfs_secpolicy_release, DATASET_NAME, B_TRUE,
3610 { zfs_ioc_get_holds, zfs_secpolicy_read, DATASET_NAME, B_FALSE,
3615 pool_status_check(const char *name, zfs_ioc_namecheck_t type)
3620 ASSERT(type == POOL_NAME || type == DATASET_NAME);
3622 error = spa_open(name, &spa, FTAG);
3624 if (spa_suspended(spa))
3626 spa_close(spa, FTAG);
3632 zfsdev_ioctl(dev_t dev, int cmd, intptr_t arg, int flag, cred_t *cr, int *rvalp)
3638 if (getminor(dev) != 0)
3639 return (zvol_ioctl(dev, cmd, arg, flag, cr, rvalp));
3641 vec = cmd - ZFS_IOC;
3642 ASSERT3U(getmajor(dev), ==, ddi_driver_major(zfs_dip));
3644 if (vec >= sizeof (zfs_ioc_vec) / sizeof (zfs_ioc_vec[0]))
3647 zc = kmem_zalloc(sizeof (zfs_cmd_t), KM_SLEEP);
3649 error = ddi_copyin((void *)arg, zc, sizeof (zfs_cmd_t), flag);
3652 error = zfs_ioc_vec[vec].zvec_secpolicy(zc, cr);
3655 * Ensure that all pool/dataset names are valid before we pass down to
3659 zc->zc_name[sizeof (zc->zc_name) - 1] = '\0';
3660 zc->zc_iflags = flag & FKIOCTL;
3661 switch (zfs_ioc_vec[vec].zvec_namecheck) {
3663 if (pool_namecheck(zc->zc_name, NULL, NULL) != 0)
3665 if (zfs_ioc_vec[vec].zvec_pool_check)
3666 error = pool_status_check(zc->zc_name,
3667 zfs_ioc_vec[vec].zvec_namecheck);
3671 if (dataset_namecheck(zc->zc_name, NULL, NULL) != 0)
3673 if (zfs_ioc_vec[vec].zvec_pool_check)
3674 error = pool_status_check(zc->zc_name,
3675 zfs_ioc_vec[vec].zvec_namecheck);
3684 error = zfs_ioc_vec[vec].zvec_func(zc);
3686 rc = ddi_copyout(zc, (void *)arg, sizeof (zfs_cmd_t), flag);
3689 if (zfs_ioc_vec[vec].zvec_his_log)
3690 zfs_log_history(zc);
3693 kmem_free(zc, sizeof (zfs_cmd_t));
3698 zfs_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
3700 if (cmd != DDI_ATTACH)
3701 return (DDI_FAILURE);
3703 if (ddi_create_minor_node(dip, "zfs", S_IFCHR, 0,
3704 DDI_PSEUDO, 0) == DDI_FAILURE)
3705 return (DDI_FAILURE);
3709 ddi_report_dev(dip);
3711 return (DDI_SUCCESS);
3715 zfs_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
3717 if (spa_busy() || zfs_busy() || zvol_busy())
3718 return (DDI_FAILURE);
3720 if (cmd != DDI_DETACH)
3721 return (DDI_FAILURE);
3725 ddi_prop_remove_all(dip);
3726 ddi_remove_minor_node(dip, NULL);
3728 return (DDI_SUCCESS);
3733 zfs_info(dev_info_t *dip, ddi_info_cmd_t infocmd, void *arg, void **result)
3736 case DDI_INFO_DEVT2DEVINFO:
3738 return (DDI_SUCCESS);
3740 case DDI_INFO_DEVT2INSTANCE:
3741 *result = (void *)0;
3742 return (DDI_SUCCESS);
3745 return (DDI_FAILURE);
3749 * OK, so this is a little weird.
3751 * /dev/zfs is the control node, i.e. minor 0.
3752 * /dev/zvol/[r]dsk/pool/dataset are the zvols, minor > 0.
3754 * /dev/zfs has basically nothing to do except serve up ioctls,
3755 * so most of the standard driver entry points are in zvol.c.
3757 static struct cb_ops zfs_cb_ops = {
3758 zvol_open, /* open */
3759 zvol_close, /* close */
3760 zvol_strategy, /* strategy */
3762 zvol_dump, /* dump */
3763 zvol_read, /* read */
3764 zvol_write, /* write */
3765 zfsdev_ioctl, /* ioctl */
3769 nochpoll, /* poll */
3770 ddi_prop_op, /* prop_op */
3771 NULL, /* streamtab */
3772 D_NEW | D_MP | D_64BIT, /* Driver compatibility flag */
3773 CB_REV, /* version */
3774 nodev, /* async read */
3775 nodev, /* async write */
3778 static struct dev_ops zfs_dev_ops = {
3779 DEVO_REV, /* version */
3781 zfs_info, /* info */
3782 nulldev, /* identify */
3783 nulldev, /* probe */
3784 zfs_attach, /* attach */
3785 zfs_detach, /* detach */
3787 &zfs_cb_ops, /* driver operations */
3788 NULL, /* no bus operations */
3790 ddi_quiesce_not_needed, /* quiesce */
3793 static struct modldrv zfs_modldrv = {
3799 static struct modlinkage modlinkage = {
3801 (void *)&zfs_modlfs,
3802 (void *)&zfs_modldrv,
3807 uint_t zfs_fsyncer_key;
3808 extern uint_t rrw_tsd_key;
3815 spa_init(FREAD | FWRITE);
3819 if ((error = mod_install(&modlinkage)) != 0) {
3826 tsd_create(&zfs_fsyncer_key, NULL);
3827 tsd_create(&rrw_tsd_key, NULL);
3829 error = ldi_ident_from_mod(&modlinkage, &zfs_li);
3831 mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL);
3841 if (spa_busy() || zfs_busy() || zvol_busy() || zio_injection_enabled)
3844 if ((error = mod_remove(&modlinkage)) != 0)
3850 if (zfs_nfsshare_inited)
3851 (void) ddi_modclose(nfs_mod);
3852 if (zfs_smbshare_inited)
3853 (void) ddi_modclose(smbsrv_mod);
3854 if (zfs_nfsshare_inited || zfs_smbshare_inited)
3855 (void) ddi_modclose(sharefs_mod);
3857 tsd_destroy(&zfs_fsyncer_key);
3858 ldi_ident_release(zfs_li);
3860 mutex_destroy(&zfs_share_lock);
3866 _info(struct modinfo *modinfop)
3868 return (mod_info(&modlinkage, modinfop));