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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 * Copyright (c) 2011 by Delphix. All rights reserved.
26 /* Portions Copyright 2010 Robert Milkowski */
30 #include <sys/u8_textprep.h>
31 #include <sys/zfs_acl.h>
32 #include <sys/zfs_ioctl.h>
33 #include <sys/zfs_znode.h>
36 #include "zfs_deleg.h"
39 #include <sys/systm.h>
46 static zprop_desc_t zfs_prop_table
[ZFS_NUM_PROPS
];
48 /* Note this is indexed by zfs_userquota_prop_t, keep the order the same */
49 const char *zfs_userquota_prop_prefixes
[] = {
57 zfs_prop_get_table(void)
59 return (zfs_prop_table
);
65 static zprop_index_t checksum_table
[] = {
66 { "on", ZIO_CHECKSUM_ON
},
67 { "off", ZIO_CHECKSUM_OFF
},
68 { "fletcher2", ZIO_CHECKSUM_FLETCHER_2
},
69 { "fletcher4", ZIO_CHECKSUM_FLETCHER_4
},
70 { "sha256", ZIO_CHECKSUM_SHA256
},
74 static zprop_index_t dedup_table
[] = {
75 { "on", ZIO_CHECKSUM_ON
},
76 { "off", ZIO_CHECKSUM_OFF
},
77 { "verify", ZIO_CHECKSUM_ON
| ZIO_CHECKSUM_VERIFY
},
78 { "sha256", ZIO_CHECKSUM_SHA256
},
80 ZIO_CHECKSUM_SHA256
| ZIO_CHECKSUM_VERIFY
},
84 static zprop_index_t compress_table
[] = {
85 { "on", ZIO_COMPRESS_ON
},
86 { "off", ZIO_COMPRESS_OFF
},
87 { "lzjb", ZIO_COMPRESS_LZJB
},
88 { "gzip", ZIO_COMPRESS_GZIP_6
}, /* gzip default */
89 { "gzip-1", ZIO_COMPRESS_GZIP_1
},
90 { "gzip-2", ZIO_COMPRESS_GZIP_2
},
91 { "gzip-3", ZIO_COMPRESS_GZIP_3
},
92 { "gzip-4", ZIO_COMPRESS_GZIP_4
},
93 { "gzip-5", ZIO_COMPRESS_GZIP_5
},
94 { "gzip-6", ZIO_COMPRESS_GZIP_6
},
95 { "gzip-7", ZIO_COMPRESS_GZIP_7
},
96 { "gzip-8", ZIO_COMPRESS_GZIP_8
},
97 { "gzip-9", ZIO_COMPRESS_GZIP_9
},
98 { "zle", ZIO_COMPRESS_ZLE
},
102 static zprop_index_t snapdir_table
[] = {
103 { "hidden", ZFS_SNAPDIR_HIDDEN
},
104 { "visible", ZFS_SNAPDIR_VISIBLE
},
108 static zprop_index_t acl_inherit_table
[] = {
109 { "discard", ZFS_ACL_DISCARD
},
110 { "noallow", ZFS_ACL_NOALLOW
},
111 { "restricted", ZFS_ACL_RESTRICTED
},
112 { "passthrough", ZFS_ACL_PASSTHROUGH
},
113 { "secure", ZFS_ACL_RESTRICTED
}, /* bkwrd compatability */
114 { "passthrough-x", ZFS_ACL_PASSTHROUGH_X
},
118 static zprop_index_t case_table
[] = {
119 { "sensitive", ZFS_CASE_SENSITIVE
},
120 { "insensitive", ZFS_CASE_INSENSITIVE
},
121 { "mixed", ZFS_CASE_MIXED
},
125 static zprop_index_t copies_table
[] = {
133 * Use the unique flags we have to send to u8_strcmp() and/or
134 * u8_textprep() to represent the various normalization property
137 static zprop_index_t normalize_table
[] = {
139 { "formD", U8_TEXTPREP_NFD
},
140 { "formKC", U8_TEXTPREP_NFKC
},
141 { "formC", U8_TEXTPREP_NFC
},
142 { "formKD", U8_TEXTPREP_NFKD
},
146 static zprop_index_t version_table
[] = {
152 { "current", ZPL_VERSION
},
156 static zprop_index_t boolean_table
[] = {
162 static zprop_index_t logbias_table
[] = {
163 { "latency", ZFS_LOGBIAS_LATENCY
},
164 { "throughput", ZFS_LOGBIAS_THROUGHPUT
},
168 static zprop_index_t canmount_table
[] = {
169 { "off", ZFS_CANMOUNT_OFF
},
170 { "on", ZFS_CANMOUNT_ON
},
171 { "noauto", ZFS_CANMOUNT_NOAUTO
},
175 static zprop_index_t cache_table
[] = {
176 { "none", ZFS_CACHE_NONE
},
177 { "metadata", ZFS_CACHE_METADATA
},
178 { "all", ZFS_CACHE_ALL
},
182 static zprop_index_t sync_table
[] = {
183 { "standard", ZFS_SYNC_STANDARD
},
184 { "always", ZFS_SYNC_ALWAYS
},
185 { "disabled", ZFS_SYNC_DISABLED
},
189 /* inherit index properties */
190 zprop_register_index(ZFS_PROP_SYNC
, "sync", ZFS_SYNC_STANDARD
,
191 PROP_INHERIT
, ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
,
192 "standard | always | disabled", "SYNC",
194 zprop_register_index(ZFS_PROP_CHECKSUM
, "checksum",
195 ZIO_CHECKSUM_DEFAULT
, PROP_INHERIT
, ZFS_TYPE_FILESYSTEM
|
197 "on | off | fletcher2 | fletcher4 | sha256", "CHECKSUM",
199 zprop_register_index(ZFS_PROP_DEDUP
, "dedup", ZIO_CHECKSUM_OFF
,
200 PROP_INHERIT
, ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
,
201 "on | off | verify | sha256[,verify]", "DEDUP",
203 zprop_register_index(ZFS_PROP_COMPRESSION
, "compression",
204 ZIO_COMPRESS_DEFAULT
, PROP_INHERIT
,
205 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
,
206 "on | off | lzjb | gzip | gzip-[1-9] | zle", "COMPRESS",
208 zprop_register_index(ZFS_PROP_SNAPDIR
, "snapdir", ZFS_SNAPDIR_HIDDEN
,
209 PROP_INHERIT
, ZFS_TYPE_FILESYSTEM
,
210 "hidden | visible", "SNAPDIR", snapdir_table
);
211 zprop_register_index(ZFS_PROP_ACLINHERIT
, "aclinherit",
212 ZFS_ACL_RESTRICTED
, PROP_INHERIT
, ZFS_TYPE_FILESYSTEM
,
213 "discard | noallow | restricted | passthrough | passthrough-x",
214 "ACLINHERIT", acl_inherit_table
);
215 zprop_register_index(ZFS_PROP_COPIES
, "copies", 1, PROP_INHERIT
,
216 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
,
217 "1 | 2 | 3", "COPIES", copies_table
);
218 zprop_register_index(ZFS_PROP_PRIMARYCACHE
, "primarycache",
219 ZFS_CACHE_ALL
, PROP_INHERIT
,
220 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_SNAPSHOT
| ZFS_TYPE_VOLUME
,
221 "all | none | metadata", "PRIMARYCACHE", cache_table
);
222 zprop_register_index(ZFS_PROP_SECONDARYCACHE
, "secondarycache",
223 ZFS_CACHE_ALL
, PROP_INHERIT
,
224 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_SNAPSHOT
| ZFS_TYPE_VOLUME
,
225 "all | none | metadata", "SECONDARYCACHE", cache_table
);
226 zprop_register_index(ZFS_PROP_LOGBIAS
, "logbias", ZFS_LOGBIAS_LATENCY
,
227 PROP_INHERIT
, ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
,
228 "latency | throughput", "LOGBIAS", logbias_table
);
230 /* inherit index (boolean) properties */
231 zprop_register_index(ZFS_PROP_ATIME
, "atime", 1, PROP_INHERIT
,
232 ZFS_TYPE_FILESYSTEM
, "on | off", "ATIME", boolean_table
);
233 zprop_register_index(ZFS_PROP_DEVICES
, "devices", 1, PROP_INHERIT
,
234 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_SNAPSHOT
, "on | off", "DEVICES",
236 zprop_register_index(ZFS_PROP_EXEC
, "exec", 1, PROP_INHERIT
,
237 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_SNAPSHOT
, "on | off", "EXEC",
239 zprop_register_index(ZFS_PROP_SETUID
, "setuid", 1, PROP_INHERIT
,
240 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_SNAPSHOT
, "on | off", "SETUID",
242 zprop_register_index(ZFS_PROP_READONLY
, "readonly", 0, PROP_INHERIT
,
243 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
, "on | off", "RDONLY",
245 zprop_register_index(ZFS_PROP_ZONED
, "zoned", 0, PROP_INHERIT
,
246 ZFS_TYPE_FILESYSTEM
, "on | off", "ZONED", boolean_table
);
247 zprop_register_index(ZFS_PROP_XATTR
, "xattr", 1, PROP_INHERIT
,
248 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_SNAPSHOT
, "on | off", "XATTR",
250 zprop_register_index(ZFS_PROP_VSCAN
, "vscan", 0, PROP_INHERIT
,
251 ZFS_TYPE_FILESYSTEM
, "on | off", "VSCAN",
253 zprop_register_index(ZFS_PROP_NBMAND
, "nbmand", 0, PROP_INHERIT
,
254 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_SNAPSHOT
, "on | off", "NBMAND",
257 /* default index properties */
258 zprop_register_index(ZFS_PROP_VERSION
, "version", 0, PROP_DEFAULT
,
259 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_SNAPSHOT
,
260 "1 | 2 | 3 | 4 | current", "VERSION", version_table
);
261 zprop_register_index(ZFS_PROP_CANMOUNT
, "canmount", ZFS_CANMOUNT_ON
,
262 PROP_DEFAULT
, ZFS_TYPE_FILESYSTEM
, "on | off | noauto",
263 "CANMOUNT", canmount_table
);
265 /* readonly index (boolean) properties */
266 zprop_register_index(ZFS_PROP_MOUNTED
, "mounted", 0, PROP_READONLY
,
267 ZFS_TYPE_FILESYSTEM
, "yes | no", "MOUNTED", boolean_table
);
268 zprop_register_index(ZFS_PROP_DEFER_DESTROY
, "defer_destroy", 0,
269 PROP_READONLY
, ZFS_TYPE_SNAPSHOT
, "yes | no", "DEFER_DESTROY",
272 /* set once index properties */
273 zprop_register_index(ZFS_PROP_NORMALIZE
, "normalization", 0,
274 PROP_ONETIME
, ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_SNAPSHOT
,
275 "none | formC | formD | formKC | formKD", "NORMALIZATION",
277 zprop_register_index(ZFS_PROP_CASE
, "casesensitivity",
278 ZFS_CASE_SENSITIVE
, PROP_ONETIME
, ZFS_TYPE_FILESYSTEM
|
280 "sensitive | insensitive | mixed", "CASE", case_table
);
282 /* set once index (boolean) properties */
283 zprop_register_index(ZFS_PROP_UTF8ONLY
, "utf8only", 0, PROP_ONETIME
,
284 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_SNAPSHOT
,
285 "on | off", "UTF8ONLY", boolean_table
);
287 /* string properties */
288 zprop_register_string(ZFS_PROP_ORIGIN
, "origin", NULL
, PROP_READONLY
,
289 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
, "<snapshot>", "ORIGIN");
290 zprop_register_string(ZFS_PROP_MOUNTPOINT
, "mountpoint", "/",
291 PROP_INHERIT
, ZFS_TYPE_FILESYSTEM
, "<path> | legacy | none",
293 zprop_register_string(ZFS_PROP_SHARENFS
, "sharenfs", "off",
294 PROP_INHERIT
, ZFS_TYPE_FILESYSTEM
, "on | off | share(1M) options",
296 zprop_register_string(ZFS_PROP_TYPE
, "type", NULL
, PROP_READONLY
,
297 ZFS_TYPE_DATASET
, "filesystem | volume | snapshot", "TYPE");
298 zprop_register_string(ZFS_PROP_SHARESMB
, "sharesmb", "off",
299 PROP_INHERIT
, ZFS_TYPE_FILESYSTEM
,
300 "on | off | sharemgr(1M) options", "SHARESMB");
301 zprop_register_string(ZFS_PROP_MLSLABEL
, "mlslabel",
302 ZFS_MLSLABEL_DEFAULT
, PROP_INHERIT
, ZFS_TYPE_DATASET
,
303 "<sensitivity label>", "MLSLABEL");
305 /* readonly number properties */
306 zprop_register_number(ZFS_PROP_USED
, "used", 0, PROP_READONLY
,
307 ZFS_TYPE_DATASET
, "<size>", "USED");
308 zprop_register_number(ZFS_PROP_AVAILABLE
, "available", 0, PROP_READONLY
,
309 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
, "<size>", "AVAIL");
310 zprop_register_number(ZFS_PROP_REFERENCED
, "referenced", 0,
311 PROP_READONLY
, ZFS_TYPE_DATASET
, "<size>", "REFER");
312 zprop_register_number(ZFS_PROP_COMPRESSRATIO
, "compressratio", 0,
313 PROP_READONLY
, ZFS_TYPE_DATASET
,
314 "<1.00x or higher if compressed>", "RATIO");
315 zprop_register_number(ZFS_PROP_REFRATIO
, "refcompressratio", 0,
316 PROP_READONLY
, ZFS_TYPE_DATASET
,
317 "<1.00x or higher if compressed>", "REFRATIO");
318 zprop_register_number(ZFS_PROP_VOLBLOCKSIZE
, "volblocksize",
319 ZVOL_DEFAULT_BLOCKSIZE
, PROP_ONETIME
,
320 ZFS_TYPE_VOLUME
, "512 to 128k, power of 2", "VOLBLOCK");
321 zprop_register_number(ZFS_PROP_USEDSNAP
, "usedbysnapshots", 0,
322 PROP_READONLY
, ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
, "<size>",
324 zprop_register_number(ZFS_PROP_USEDDS
, "usedbydataset", 0,
325 PROP_READONLY
, ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
, "<size>",
327 zprop_register_number(ZFS_PROP_USEDCHILD
, "usedbychildren", 0,
328 PROP_READONLY
, ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
, "<size>",
330 zprop_register_number(ZFS_PROP_USEDREFRESERV
, "usedbyrefreservation", 0,
332 ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
, "<size>", "USEDREFRESERV");
333 zprop_register_number(ZFS_PROP_USERREFS
, "userrefs", 0, PROP_READONLY
,
334 ZFS_TYPE_SNAPSHOT
, "<count>", "USERREFS");
336 /* default number properties */
337 zprop_register_number(ZFS_PROP_QUOTA
, "quota", 0, PROP_DEFAULT
,
338 ZFS_TYPE_FILESYSTEM
, "<size> | none", "QUOTA");
339 zprop_register_number(ZFS_PROP_RESERVATION
, "reservation", 0,
340 PROP_DEFAULT
, ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
,
341 "<size> | none", "RESERV");
342 zprop_register_number(ZFS_PROP_VOLSIZE
, "volsize", 0, PROP_DEFAULT
,
343 ZFS_TYPE_VOLUME
, "<size>", "VOLSIZE");
344 zprop_register_number(ZFS_PROP_REFQUOTA
, "refquota", 0, PROP_DEFAULT
,
345 ZFS_TYPE_FILESYSTEM
, "<size> | none", "REFQUOTA");
346 zprop_register_number(ZFS_PROP_REFRESERVATION
, "refreservation", 0,
347 PROP_DEFAULT
, ZFS_TYPE_FILESYSTEM
| ZFS_TYPE_VOLUME
,
348 "<size> | none", "REFRESERV");
350 /* inherit number properties */
351 zprop_register_number(ZFS_PROP_RECORDSIZE
, "recordsize",
352 SPA_MAXBLOCKSIZE
, PROP_INHERIT
,
353 ZFS_TYPE_FILESYSTEM
, "512 to 128k, power of 2", "RECSIZE");
355 /* hidden properties */
356 zprop_register_hidden(ZFS_PROP_CREATETXG
, "createtxg", PROP_TYPE_NUMBER
,
357 PROP_READONLY
, ZFS_TYPE_DATASET
, "CREATETXG");
358 zprop_register_hidden(ZFS_PROP_NUMCLONES
, "numclones", PROP_TYPE_NUMBER
,
359 PROP_READONLY
, ZFS_TYPE_SNAPSHOT
, "NUMCLONES");
360 zprop_register_hidden(ZFS_PROP_NAME
, "name", PROP_TYPE_STRING
,
361 PROP_READONLY
, ZFS_TYPE_DATASET
, "NAME");
362 zprop_register_hidden(ZFS_PROP_ISCSIOPTIONS
, "iscsioptions",
363 PROP_TYPE_STRING
, PROP_INHERIT
, ZFS_TYPE_VOLUME
, "ISCSIOPTIONS");
364 zprop_register_hidden(ZFS_PROP_STMF_SHAREINFO
, "stmf_sbd_lu",
365 PROP_TYPE_STRING
, PROP_INHERIT
, ZFS_TYPE_VOLUME
,
367 zprop_register_hidden(ZFS_PROP_GUID
, "guid", PROP_TYPE_NUMBER
,
368 PROP_READONLY
, ZFS_TYPE_DATASET
, "GUID");
369 zprop_register_hidden(ZFS_PROP_USERACCOUNTING
, "useraccounting",
370 PROP_TYPE_NUMBER
, PROP_READONLY
, ZFS_TYPE_DATASET
,
372 zprop_register_hidden(ZFS_PROP_UNIQUE
, "unique", PROP_TYPE_NUMBER
,
373 PROP_READONLY
, ZFS_TYPE_DATASET
, "UNIQUE");
374 zprop_register_hidden(ZFS_PROP_OBJSETID
, "objsetid", PROP_TYPE_NUMBER
,
375 PROP_READONLY
, ZFS_TYPE_DATASET
, "OBJSETID");
378 * Property to be removed once libbe is integrated
380 zprop_register_hidden(ZFS_PROP_PRIVATE
, "priv_prop",
381 PROP_TYPE_NUMBER
, PROP_READONLY
, ZFS_TYPE_FILESYSTEM
,
384 /* oddball properties */
385 zprop_register_impl(ZFS_PROP_CREATION
, "creation", PROP_TYPE_NUMBER
, 0,
386 NULL
, PROP_READONLY
, ZFS_TYPE_DATASET
,
387 "<date>", "CREATION", B_FALSE
, B_TRUE
, NULL
);
391 zfs_prop_delegatable(zfs_prop_t prop
)
393 zprop_desc_t
*pd
= &zfs_prop_table
[prop
];
395 /* The mlslabel property is never delegatable. */
396 if (prop
== ZFS_PROP_MLSLABEL
)
399 return (pd
->pd_attr
!= PROP_READONLY
);
403 * Given a zfs dataset property name, returns the corresponding property ID.
406 zfs_name_to_prop(const char *propname
)
408 return (zprop_name_to_prop(propname
, ZFS_TYPE_DATASET
));
412 * For user property names, we allow all lowercase alphanumeric characters, plus
413 * a few useful punctuation characters.
418 return ((c
>= 'a' && c
<= 'z') ||
419 (c
>= '0' && c
<= '9') ||
420 c
== '-' || c
== '_' || c
== '.' || c
== ':');
424 * Returns true if this is a valid user-defined property (one with a ':').
427 zfs_prop_user(const char *name
)
431 boolean_t foundsep
= B_FALSE
;
433 for (i
= 0; i
< strlen(name
); i
++) {
448 * Returns true if this is a valid userspace-type property (one with a '@').
449 * Note that after the @, any character is valid (eg, another @, for SID
453 zfs_prop_userquota(const char *name
)
455 zfs_userquota_prop_t prop
;
457 for (prop
= 0; prop
< ZFS_NUM_USERQUOTA_PROPS
; prop
++) {
458 if (strncmp(name
, zfs_userquota_prop_prefixes
[prop
],
459 strlen(zfs_userquota_prop_prefixes
[prop
])) == 0) {
468 * Tables of index types, plus functions to convert between the user view
469 * (strings) and internal representation (uint64_t).
472 zfs_prop_string_to_index(zfs_prop_t prop
, const char *string
, uint64_t *index
)
474 return (zprop_string_to_index(prop
, string
, index
, ZFS_TYPE_DATASET
));
478 zfs_prop_index_to_string(zfs_prop_t prop
, uint64_t index
, const char **string
)
480 return (zprop_index_to_string(prop
, index
, string
, ZFS_TYPE_DATASET
));
484 zfs_prop_random_value(zfs_prop_t prop
, uint64_t seed
)
486 return (zprop_random_value(prop
, seed
, ZFS_TYPE_DATASET
));
490 * Returns TRUE if the property applies to any of the given dataset types.
493 zfs_prop_valid_for_type(int prop
, zfs_type_t types
)
495 return (zprop_valid_for_type(prop
, types
));
499 zfs_prop_get_type(zfs_prop_t prop
)
501 return (zfs_prop_table
[prop
].pd_proptype
);
505 * Returns TRUE if the property is readonly.
508 zfs_prop_readonly(zfs_prop_t prop
)
510 return (zfs_prop_table
[prop
].pd_attr
== PROP_READONLY
||
511 zfs_prop_table
[prop
].pd_attr
== PROP_ONETIME
);
515 * Returns TRUE if the property is only allowed to be set once.
518 zfs_prop_setonce(zfs_prop_t prop
)
520 return (zfs_prop_table
[prop
].pd_attr
== PROP_ONETIME
);
524 zfs_prop_default_string(zfs_prop_t prop
)
526 return (zfs_prop_table
[prop
].pd_strdefault
);
530 zfs_prop_default_numeric(zfs_prop_t prop
)
532 return (zfs_prop_table
[prop
].pd_numdefault
);
536 * Given a dataset property ID, returns the corresponding name.
537 * Assuming the zfs dataset property ID is valid.
540 zfs_prop_to_name(zfs_prop_t prop
)
542 return (zfs_prop_table
[prop
].pd_name
);
546 * Returns TRUE if the property is inheritable.
549 zfs_prop_inheritable(zfs_prop_t prop
)
551 return (zfs_prop_table
[prop
].pd_attr
== PROP_INHERIT
||
552 zfs_prop_table
[prop
].pd_attr
== PROP_ONETIME
);
558 * Returns a string describing the set of acceptable values for the given
559 * zfs property, or NULL if it cannot be set.
562 zfs_prop_values(zfs_prop_t prop
)
564 return (zfs_prop_table
[prop
].pd_values
);
568 * Returns TRUE if this property is a string type. Note that index types
569 * (compression, checksum) are treated as strings in userland, even though they
570 * are stored numerically on disk.
573 zfs_prop_is_string(zfs_prop_t prop
)
575 return (zfs_prop_table
[prop
].pd_proptype
== PROP_TYPE_STRING
||
576 zfs_prop_table
[prop
].pd_proptype
== PROP_TYPE_INDEX
);
580 * Returns the column header for the given property. Used only in
581 * 'zfs list -o', but centralized here with the other property information.
584 zfs_prop_column_name(zfs_prop_t prop
)
586 return (zfs_prop_table
[prop
].pd_colname
);
590 * Returns whether the given property should be displayed right-justified for
594 zfs_prop_align_right(zfs_prop_t prop
)
596 return (zfs_prop_table
[prop
].pd_rightalign
);
601 #if defined(_KERNEL) && defined(HAVE_SPL)
603 static int zcommon_init(void) { return 0; }
604 static int zcommon_fini(void) { return 0; }
606 spl_module_init(zcommon_init
);
607 spl_module_exit(zcommon_fini
);
609 MODULE_DESCRIPTION("Generic ZFS support");
610 MODULE_AUTHOR(ZFS_META_AUTHOR
);
611 MODULE_LICENSE(ZFS_META_LICENSE
);
613 /* zfs dataset property functions */
614 EXPORT_SYMBOL(zfs_userquota_prop_prefixes
);
615 EXPORT_SYMBOL(zfs_prop_init
);
616 EXPORT_SYMBOL(zfs_prop_get_type
);
617 EXPORT_SYMBOL(zfs_prop_get_table
);
618 EXPORT_SYMBOL(zfs_prop_delegatable
);
620 /* Dataset property functions shared between libzfs and kernel. */
621 EXPORT_SYMBOL(zfs_prop_default_string
);
622 EXPORT_SYMBOL(zfs_prop_default_numeric
);
623 EXPORT_SYMBOL(zfs_prop_readonly
);
624 EXPORT_SYMBOL(zfs_prop_inheritable
);
625 EXPORT_SYMBOL(zfs_prop_setonce
);
626 EXPORT_SYMBOL(zfs_prop_to_name
);
627 EXPORT_SYMBOL(zfs_name_to_prop
);
628 EXPORT_SYMBOL(zfs_prop_user
);
629 EXPORT_SYMBOL(zfs_prop_userquota
);
630 EXPORT_SYMBOL(zfs_prop_index_to_string
);
631 EXPORT_SYMBOL(zfs_prop_string_to_index
);
632 EXPORT_SYMBOL(zfs_prop_valid_for_type
);