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]
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
31 #include <libnvpair.h>
32 #include <sys/mnttab.h>
33 #include <sys/param.h>
34 #include <sys/types.h>
35 #include <sys/varargs.h>
36 #include <sys/fs/zfs.h>
45 * Miscellaneous ZFS constants
47 #define ZFS_MAXNAMELEN MAXNAMELEN
48 #define ZPOOL_MAXNAMELEN MAXNAMELEN
49 #define ZFS_MAXPROPLEN MAXPATHLEN
50 #define ZPOOL_MAXPROPLEN MAXPATHLEN
56 EZFS_NOMEM
= 2000, /* out of memory */
57 EZFS_BADPROP
, /* invalid property value */
58 EZFS_PROPREADONLY
, /* cannot set readonly property */
59 EZFS_PROPTYPE
, /* property does not apply to dataset type */
60 EZFS_PROPNONINHERIT
, /* property is not inheritable */
61 EZFS_PROPSPACE
, /* bad quota or reservation */
62 EZFS_BADTYPE
, /* dataset is not of appropriate type */
63 EZFS_BUSY
, /* pool or dataset is busy */
64 EZFS_EXISTS
, /* pool or dataset already exists */
65 EZFS_NOENT
, /* no such pool or dataset */
66 EZFS_BADSTREAM
, /* bad backup stream */
67 EZFS_DSREADONLY
, /* dataset is readonly */
68 EZFS_VOLTOOBIG
, /* volume is too large for 32-bit system */
69 EZFS_VOLHASDATA
, /* volume already contains data */
70 EZFS_INVALIDNAME
, /* invalid dataset name */
71 EZFS_BADRESTORE
, /* unable to restore to destination */
72 EZFS_BADBACKUP
, /* backup failed */
73 EZFS_BADTARGET
, /* bad attach/detach/replace target */
74 EZFS_NODEVICE
, /* no such device in pool */
75 EZFS_BADDEV
, /* invalid device to add */
76 EZFS_NOREPLICAS
, /* no valid replicas */
77 EZFS_RESILVERING
, /* currently resilvering */
78 EZFS_BADVERSION
, /* unsupported version */
79 EZFS_POOLUNAVAIL
, /* pool is currently unavailable */
80 EZFS_DEVOVERFLOW
, /* too many devices in one vdev */
81 EZFS_BADPATH
, /* must be an absolute path */
82 EZFS_CROSSTARGET
, /* rename or clone across pool or dataset */
83 EZFS_ZONED
, /* used improperly in local zone */
84 EZFS_MOUNTFAILED
, /* failed to mount dataset */
85 EZFS_UMOUNTFAILED
, /* failed to unmount dataset */
86 EZFS_UNSHARENFSFAILED
, /* unshare(1M) failed */
87 EZFS_SHARENFSFAILED
, /* share(1M) failed */
88 EZFS_DEVLINKS
, /* failed to create zvol links */
89 EZFS_PERM
, /* permission denied */
90 EZFS_NOSPC
, /* out of space */
91 EZFS_IO
, /* I/O error */
92 EZFS_INTR
, /* signal received */
93 EZFS_ISSPARE
, /* device is a hot spare */
94 EZFS_INVALCONFIG
, /* invalid vdev configuration */
95 EZFS_RECURSIVE
, /* recursive dependency */
96 EZFS_NOHISTORY
, /* no history object */
97 EZFS_UNSHAREISCSIFAILED
, /* iscsitgtd failed request to unshare */
98 EZFS_SHAREISCSIFAILED
, /* iscsitgtd failed request to share */
99 EZFS_POOLPROPS
, /* couldn't retrieve pool props */
100 EZFS_POOL_NOTSUP
, /* ops not supported for this type of pool */
101 EZFS_POOL_INVALARG
, /* invalid argument for this pool operation */
102 EZFS_NAMETOOLONG
, /* dataset name is too long */
103 EZFS_OPENFAILED
, /* open of device failed */
104 EZFS_NOCAP
, /* couldn't get capacity */
105 EZFS_LABELFAILED
, /* write of label failed */
106 EZFS_ISCSISVCUNAVAIL
, /* iscsi service unavailable */
107 EZFS_BADWHO
, /* invalid permission who */
108 EZFS_BADPERM
, /* invalid permission */
109 EZFS_BADPERMSET
, /* invalid permission set name */
110 EZFS_NODELEGATION
, /* delegated administration is disabled */
111 EZFS_PERMRDONLY
, /* pemissions are readonly */
112 EZFS_UNSHARESMBFAILED
, /* failed to unshare over smb */
113 EZFS_SHARESMBFAILED
, /* failed to share over smb */
114 EZFS_BADCACHE
, /* bad cache file */
115 EZFS_ISL2CACHE
, /* device is for the level 2 ARC */
116 EZFS_VDEVNOTSUP
, /* unsupported vdev type */
117 EZFS_NOTSUP
, /* ops not supported on this dataset */
118 EZFS_ACTIVE_SPARE
, /* pool has active shared spare devices */
123 * The following data structures are all part
124 * of the zfs_allow_t data structure which is
125 * used for printing 'allow' permissions.
126 * It is a linked list of zfs_allow_t's which
127 * then contain avl tree's for user/group/sets/...
128 * and each one of the entries in those trees have
129 * avl tree's for the permissions they belong to and
130 * whether they are local,descendent or local+descendent
131 * permissions. The AVL trees are used primarily for
132 * sorting purposes, but also so that we can quickly find
133 * a given user and or permission.
135 typedef struct zfs_perm_node
{
137 char z_pname
[MAXPATHLEN
];
140 typedef struct zfs_allow_node
{
142 char z_key
[MAXPATHLEN
]; /* name, such as joe */
143 avl_tree_t z_localdescend
; /* local+descendent perms */
144 avl_tree_t z_local
; /* local permissions */
145 avl_tree_t z_descend
; /* descendent permissions */
148 typedef struct zfs_allow
{
149 struct zfs_allow
*z_next
;
150 char z_setpoint
[MAXPATHLEN
];
152 avl_tree_t z_crperms
;
155 avl_tree_t z_everyone
;
161 typedef struct zfs_handle zfs_handle_t
;
162 typedef struct zpool_handle zpool_handle_t
;
163 typedef struct libzfs_handle libzfs_handle_t
;
166 * Library initialization
168 extern libzfs_handle_t
*libzfs_init(void);
169 extern void libzfs_fini(libzfs_handle_t
*);
171 extern libzfs_handle_t
*zpool_get_handle(zpool_handle_t
*);
172 extern libzfs_handle_t
*zfs_get_handle(zfs_handle_t
*);
174 extern void libzfs_print_on_error(libzfs_handle_t
*, boolean_t
);
176 extern int libzfs_errno(libzfs_handle_t
*);
177 extern const char *libzfs_error_action(libzfs_handle_t
*);
178 extern const char *libzfs_error_description(libzfs_handle_t
*);
179 extern void libzfs_mnttab_init(libzfs_handle_t
*);
180 extern void libzfs_mnttab_fini(libzfs_handle_t
*);
181 extern int libzfs_mnttab_find(libzfs_handle_t
*, const char *,
183 extern void libzfs_mnttab_add(libzfs_handle_t
*, const char *,
184 const char *, const char *);
185 extern void libzfs_mnttab_remove(libzfs_handle_t
*, const char *);
188 * Basic handle functions
190 extern zpool_handle_t
*zpool_open(libzfs_handle_t
*, const char *);
191 extern zpool_handle_t
*zpool_open_canfail(libzfs_handle_t
*, const char *);
192 extern void zpool_close(zpool_handle_t
*);
193 extern const char *zpool_get_name(zpool_handle_t
*);
194 extern int zpool_get_state(zpool_handle_t
*);
195 extern char *zpool_state_to_name(vdev_state_t
, vdev_aux_t
);
196 extern void zpool_free_handles(libzfs_handle_t
*);
199 * Iterate over all active pools in the system.
201 typedef int (*zpool_iter_f
)(zpool_handle_t
*, void *);
202 extern int zpool_iter(libzfs_handle_t
*, zpool_iter_f
, void *);
205 * Functions to create and destroy pools
207 extern int zpool_create(libzfs_handle_t
*, const char *, nvlist_t
*,
208 nvlist_t
*, nvlist_t
*);
209 extern int zpool_destroy(zpool_handle_t
*);
210 extern int zpool_add(zpool_handle_t
*, nvlist_t
*);
213 * Functions to manipulate pool and vdev state
215 extern int zpool_scrub(zpool_handle_t
*, pool_scrub_type_t
);
216 extern int zpool_clear(zpool_handle_t
*, const char *);
218 extern int zpool_vdev_online(zpool_handle_t
*, const char *, int,
220 extern int zpool_vdev_offline(zpool_handle_t
*, const char *, boolean_t
);
221 extern int zpool_vdev_attach(zpool_handle_t
*, const char *,
222 const char *, nvlist_t
*, int);
223 extern int zpool_vdev_detach(zpool_handle_t
*, const char *);
224 extern int zpool_vdev_remove(zpool_handle_t
*, const char *);
226 extern int zpool_vdev_fault(zpool_handle_t
*, uint64_t);
227 extern int zpool_vdev_degrade(zpool_handle_t
*, uint64_t);
228 extern int zpool_vdev_clear(zpool_handle_t
*, uint64_t);
230 extern nvlist_t
*zpool_find_vdev(zpool_handle_t
*, const char *, boolean_t
*,
231 boolean_t
*, boolean_t
*);
232 extern int zpool_label_disk(libzfs_handle_t
*, zpool_handle_t
*, char *);
235 * Functions to manage pool properties
237 extern int zpool_set_prop(zpool_handle_t
*, const char *, const char *);
238 extern int zpool_get_prop(zpool_handle_t
*, zpool_prop_t
, char *,
239 size_t proplen
, zprop_source_t
*);
240 extern uint64_t zpool_get_prop_int(zpool_handle_t
*, zpool_prop_t
,
243 extern const char *zpool_prop_to_name(zpool_prop_t
);
244 extern const char *zpool_prop_values(zpool_prop_t
);
247 * Pool health statistics.
251 * The following correspond to faults as defined in the (fault.fs.zfs.*)
252 * event namespace. Each is associated with a corresponding message ID.
254 ZPOOL_STATUS_CORRUPT_CACHE
, /* corrupt /kernel/drv/zpool.cache */
255 ZPOOL_STATUS_MISSING_DEV_R
, /* missing device with replicas */
256 ZPOOL_STATUS_MISSING_DEV_NR
, /* missing device with no replicas */
257 ZPOOL_STATUS_CORRUPT_LABEL_R
, /* bad device label with replicas */
258 ZPOOL_STATUS_CORRUPT_LABEL_NR
, /* bad device label with no replicas */
259 ZPOOL_STATUS_BAD_GUID_SUM
, /* sum of device guids didn't match */
260 ZPOOL_STATUS_CORRUPT_POOL
, /* pool metadata is corrupted */
261 ZPOOL_STATUS_CORRUPT_DATA
, /* data errors in user (meta)data */
262 ZPOOL_STATUS_FAILING_DEV
, /* device experiencing errors */
263 ZPOOL_STATUS_VERSION_NEWER
, /* newer on-disk version */
264 ZPOOL_STATUS_HOSTID_MISMATCH
, /* last accessed by another system */
265 ZPOOL_STATUS_IO_FAILURE_WAIT
, /* failed I/O, failmode 'wait' */
266 ZPOOL_STATUS_IO_FAILURE_CONTINUE
, /* failed I/O, failmode 'continue' */
267 ZPOOL_STATUS_FAULTED_DEV_R
, /* faulted device with replicas */
268 ZPOOL_STATUS_FAULTED_DEV_NR
, /* faulted device with no replicas */
269 ZPOOL_STATUS_BAD_LOG
, /* cannot read log chain(s) */
272 * The following are not faults per se, but still an error possibly
273 * requiring administrative attention. There is no corresponding
276 ZPOOL_STATUS_VERSION_OLDER
, /* older on-disk version */
277 ZPOOL_STATUS_RESILVERING
, /* device being resilvered */
278 ZPOOL_STATUS_OFFLINE_DEV
, /* device online */
281 * Finally, the following indicates a healthy pool.
286 extern zpool_status_t
zpool_get_status(zpool_handle_t
*, char **);
287 extern zpool_status_t
zpool_import_status(nvlist_t
*, char **);
290 * Statistics and configuration functions.
292 extern nvlist_t
*zpool_get_config(zpool_handle_t
*, nvlist_t
**);
293 extern int zpool_refresh_stats(zpool_handle_t
*, boolean_t
*);
294 extern int zpool_get_errlog(zpool_handle_t
*, nvlist_t
**);
297 * Import and export functions
299 extern int zpool_export(zpool_handle_t
*, boolean_t
);
300 extern int zpool_export_force(zpool_handle_t
*);
301 extern int zpool_import(libzfs_handle_t
*, nvlist_t
*, const char *,
303 extern int zpool_import_props(libzfs_handle_t
*, nvlist_t
*, const char *,
304 nvlist_t
*, boolean_t
);
307 * Search for pools to import
309 extern nvlist_t
*zpool_find_import(libzfs_handle_t
*, int, char **);
310 extern nvlist_t
*zpool_find_import_cached(libzfs_handle_t
*, const char *,
312 extern nvlist_t
*zpool_find_import_byname(libzfs_handle_t
*, int, char **,
314 extern nvlist_t
*zpool_find_import_byguid(libzfs_handle_t
*, int, char **,
316 extern nvlist_t
*zpool_find_import_activeok(libzfs_handle_t
*, int, char **);
319 * Miscellaneous pool functions
323 extern char *zpool_vdev_name(libzfs_handle_t
*, zpool_handle_t
*, nvlist_t
*);
324 extern int zpool_upgrade(zpool_handle_t
*, uint64_t);
325 extern int zpool_get_history(zpool_handle_t
*, nvlist_t
**);
326 extern void zpool_set_history_str(const char *subcommand
, int argc
,
327 char **argv
, char *history_str
);
328 extern int zpool_stage_history(libzfs_handle_t
*, const char *);
329 extern void zpool_obj_to_path(zpool_handle_t
*, uint64_t, uint64_t, char *,
331 extern int zfs_ioctl(libzfs_handle_t
*, int, struct zfs_cmd
*);
332 extern int zpool_get_physpath(zpool_handle_t
*, char *);
334 * Basic handle manipulations. These functions do not create or destroy the
335 * underlying datasets, only the references to them.
337 extern zfs_handle_t
*zfs_open(libzfs_handle_t
*, const char *, int);
338 extern void zfs_close(zfs_handle_t
*);
339 extern zfs_type_t
zfs_get_type(const zfs_handle_t
*);
340 extern const char *zfs_get_name(const zfs_handle_t
*);
341 extern zpool_handle_t
*zfs_get_pool_handle(const zfs_handle_t
*);
344 * Property management functions. Some functions are shared with the kernel,
345 * and are found in sys/fs/zfs.h.
349 * zfs dataset property management
351 extern const char *zfs_prop_default_string(zfs_prop_t
);
352 extern uint64_t zfs_prop_default_numeric(zfs_prop_t
);
353 extern const char *zfs_prop_column_name(zfs_prop_t
);
354 extern boolean_t
zfs_prop_align_right(zfs_prop_t
);
356 extern nvlist_t
*zfs_valid_proplist(libzfs_handle_t
*, zfs_type_t
,
357 nvlist_t
*, uint64_t, zfs_handle_t
*, const char *);
359 extern const char *zfs_prop_to_name(zfs_prop_t
);
360 extern int zfs_prop_set(zfs_handle_t
*, const char *, const char *);
361 extern int zfs_prop_get(zfs_handle_t
*, zfs_prop_t
, char *, size_t,
362 zprop_source_t
*, char *, size_t, boolean_t
);
363 extern int zfs_prop_get_numeric(zfs_handle_t
*, zfs_prop_t
, uint64_t *,
364 zprop_source_t
*, char *, size_t);
365 extern uint64_t zfs_prop_get_int(zfs_handle_t
*, zfs_prop_t
);
366 extern int zfs_prop_inherit(zfs_handle_t
*, const char *);
367 extern const char *zfs_prop_values(zfs_prop_t
);
368 extern int zfs_prop_is_string(zfs_prop_t prop
);
369 extern nvlist_t
*zfs_get_user_props(zfs_handle_t
*);
371 typedef struct zprop_list
{
374 struct zprop_list
*pl_next
;
380 extern int zfs_expand_proplist(zfs_handle_t
*, zprop_list_t
**);
382 #define ZFS_MOUNTPOINT_NONE "none"
383 #define ZFS_MOUNTPOINT_LEGACY "legacy"
386 * zpool property management
388 extern int zpool_expand_proplist(zpool_handle_t
*, zprop_list_t
**);
389 extern const char *zpool_prop_default_string(zpool_prop_t
);
390 extern uint64_t zpool_prop_default_numeric(zpool_prop_t
);
391 extern const char *zpool_prop_column_name(zpool_prop_t
);
392 extern boolean_t
zpool_prop_align_right(zpool_prop_t
);
395 * Functions shared by zfs and zpool property management.
397 extern int zprop_iter(zprop_func func
, void *cb
, boolean_t show_all
,
398 boolean_t ordered
, zfs_type_t type
);
399 extern int zprop_get_list(libzfs_handle_t
*, char *, zprop_list_t
**,
401 extern void zprop_free_list(zprop_list_t
*);
404 * Functions for printing zfs or zpool properties
406 typedef struct zprop_get_cbdata
{
410 boolean_t cb_scripted
;
411 boolean_t cb_literal
;
413 zprop_list_t
*cb_proplist
;
415 } zprop_get_cbdata_t
;
417 void zprop_print_one_property(const char *, zprop_get_cbdata_t
*,
418 const char *, const char *, zprop_source_t
, const char *);
420 #define GET_COL_NAME 1
421 #define GET_COL_PROPERTY 2
422 #define GET_COL_VALUE 3
423 #define GET_COL_SOURCE 4
426 * Iterator functions.
428 typedef int (*zfs_iter_f
)(zfs_handle_t
*, void *);
429 extern int zfs_iter_root(libzfs_handle_t
*, zfs_iter_f
, void *);
430 extern int zfs_iter_children(zfs_handle_t
*, zfs_iter_f
, void *);
431 extern int zfs_iter_dependents(zfs_handle_t
*, boolean_t
, zfs_iter_f
, void *);
432 extern int zfs_iter_filesystems(zfs_handle_t
*, zfs_iter_f
, void *);
433 extern int zfs_iter_snapshots(zfs_handle_t
*, zfs_iter_f
, void *);
436 * Functions to create and destroy datasets.
438 extern int zfs_create(libzfs_handle_t
*, const char *, zfs_type_t
,
440 extern int zfs_create_ancestors(libzfs_handle_t
*, const char *);
441 extern int zfs_destroy(zfs_handle_t
*);
442 extern int zfs_destroy_snaps(zfs_handle_t
*, char *);
443 extern int zfs_clone(zfs_handle_t
*, const char *, nvlist_t
*);
444 extern int zfs_snapshot(libzfs_handle_t
*, const char *, boolean_t
, nvlist_t
*);
445 extern int zfs_rollback(zfs_handle_t
*, zfs_handle_t
*, boolean_t
);
446 extern int zfs_rename(zfs_handle_t
*, const char *, boolean_t
);
447 extern int zfs_send(zfs_handle_t
*, const char *, const char *,
448 boolean_t
, boolean_t
, boolean_t
, boolean_t
, int);
449 extern int zfs_promote(zfs_handle_t
*);
451 typedef struct recvflags
{
452 /* print informational messages (ie, -v was specified) */
455 /* the destination is a prefix, not the exact fs (ie, -d) */
458 /* do not actually do the recv, just check if it would work (ie, -n) */
461 /* rollback/destroy filesystems as necessary (eg, -F) */
464 /* set "canmount=off" on all modified filesystems */
467 /* byteswap flag is used internally; callers need not specify */
471 extern int zfs_receive(libzfs_handle_t
*, const char *, recvflags_t
,
475 * Miscellaneous functions.
477 extern const char *zfs_type_to_name(zfs_type_t
);
478 extern void zfs_refresh_properties(zfs_handle_t
*);
479 extern int zfs_name_valid(const char *, zfs_type_t
);
480 extern zfs_handle_t
*zfs_path_to_zhandle(libzfs_handle_t
*, char *, zfs_type_t
);
481 extern boolean_t
zfs_dataset_exists(libzfs_handle_t
*, const char *,
483 extern int zfs_spa_version(zfs_handle_t
*, int *);
486 * dataset permission functions.
488 extern int zfs_perm_set(zfs_handle_t
*, nvlist_t
*);
489 extern int zfs_perm_remove(zfs_handle_t
*, nvlist_t
*);
490 extern int zfs_build_perms(zfs_handle_t
*, char *, char *,
491 zfs_deleg_who_type_t
, zfs_deleg_inherit_t
, nvlist_t
**nvlist_t
);
492 extern int zfs_perm_get(zfs_handle_t
*, zfs_allow_t
**);
493 extern void zfs_free_allows(zfs_allow_t
*);
494 extern void zfs_deleg_permissions(void);
497 * Mount support functions.
499 extern boolean_t
is_mounted(libzfs_handle_t
*, const char *special
, char **);
500 extern boolean_t
zfs_is_mounted(zfs_handle_t
*, char **);
501 extern int zfs_mount(zfs_handle_t
*, const char *, int);
502 extern int zfs_unmount(zfs_handle_t
*, const char *, int);
503 extern int zfs_unmountall(zfs_handle_t
*, int);
506 * Share support functions.
508 extern boolean_t
zfs_is_shared(zfs_handle_t
*);
509 extern int zfs_share(zfs_handle_t
*);
510 extern int zfs_unshare(zfs_handle_t
*);
513 * Protocol-specific share support functions.
515 extern boolean_t
zfs_is_shared_nfs(zfs_handle_t
*, char **);
516 extern boolean_t
zfs_is_shared_smb(zfs_handle_t
*, char **);
517 extern int zfs_share_nfs(zfs_handle_t
*);
518 extern int zfs_share_smb(zfs_handle_t
*);
519 extern int zfs_shareall(zfs_handle_t
*);
520 extern int zfs_unshare_nfs(zfs_handle_t
*, const char *);
521 extern int zfs_unshare_smb(zfs_handle_t
*, const char *);
522 extern int zfs_unshareall_nfs(zfs_handle_t
*);
523 extern int zfs_unshareall_smb(zfs_handle_t
*);
524 extern int zfs_unshareall_bypath(zfs_handle_t
*, const char *);
525 extern int zfs_unshareall(zfs_handle_t
*);
526 extern boolean_t
zfs_is_shared_iscsi(zfs_handle_t
*);
527 extern int zfs_share_iscsi(zfs_handle_t
*);
528 extern int zfs_unshare_iscsi(zfs_handle_t
*);
529 extern int zfs_iscsi_perm_check(libzfs_handle_t
*, char *, ucred_t
*);
530 extern int zfs_deleg_share_nfs(libzfs_handle_t
*, char *, char *,
531 void *, void *, int, zfs_share_op_t
);
534 * When dealing with nvlists, verify() is extremely useful
537 #define verify(EX) ((void)(EX))
539 #define verify(EX) assert(EX)
543 * Utility function to convert a number to a human-readable form.
545 extern void zfs_nicenum(uint64_t, char *, size_t);
546 extern int zfs_nicestrtonum(libzfs_handle_t
*, const char *, uint64_t *);
549 * Given a device or file, determine if it is part of a pool.
551 extern int zpool_in_use(libzfs_handle_t
*, int, pool_state_t
*, char **,
555 * ftyp special. Read the label from a given device.
557 extern int zpool_read_label(int, nvlist_t
**);
560 * Create and remove zvol /dev links.
562 extern int zpool_create_zvol_links(zpool_handle_t
*);
563 extern int zpool_remove_zvol_links(zpool_handle_t
*);
565 /* is this zvol valid for use as a dump device? */
566 extern int zvol_check_dump_config(char *);
569 * Enable and disable datasets within a pool by mounting/unmounting and
570 * sharing/unsharing them.
572 extern int zpool_enable_datasets(zpool_handle_t
*, const char *, int);
573 extern int zpool_disable_datasets(zpool_handle_t
*, boolean_t
);
579 #endif /* _LIBZFS_H */