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 static zprop_index_t xattr_table[] = {
190 { "off", ZFS_XATTR_OFF },
191 { "on", ZFS_XATTR_DIR },
192 { "sa", ZFS_XATTR_SA },
193 { "dir", ZFS_XATTR_DIR },
197 /* inherit index properties */
198 zprop_register_index(ZFS_PROP_SYNC, "sync", ZFS_SYNC_STANDARD,
199 PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
200 "standard | always | disabled", "SYNC",
202 zprop_register_index(ZFS_PROP_CHECKSUM, "checksum",
203 ZIO_CHECKSUM_DEFAULT, PROP_INHERIT, ZFS_TYPE_FILESYSTEM |
205 "on | off | fletcher2 | fletcher4 | sha256", "CHECKSUM",
207 zprop_register_index(ZFS_PROP_DEDUP, "dedup", ZIO_CHECKSUM_OFF,
208 PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
209 "on | off | verify | sha256[,verify]", "DEDUP",
211 zprop_register_index(ZFS_PROP_COMPRESSION, "compression",
212 ZIO_COMPRESS_DEFAULT, PROP_INHERIT,
213 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
214 "on | off | lzjb | gzip | gzip-[1-9] | zle", "COMPRESS",
216 zprop_register_index(ZFS_PROP_SNAPDIR, "snapdir", ZFS_SNAPDIR_HIDDEN,
217 PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
218 "hidden | visible", "SNAPDIR", snapdir_table);
219 zprop_register_index(ZFS_PROP_ACLINHERIT, "aclinherit",
220 ZFS_ACL_RESTRICTED, PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
221 "discard | noallow | restricted | passthrough | passthrough-x",
222 "ACLINHERIT", acl_inherit_table);
223 zprop_register_index(ZFS_PROP_COPIES, "copies", 1, PROP_INHERIT,
224 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
225 "1 | 2 | 3", "COPIES", copies_table);
226 zprop_register_index(ZFS_PROP_PRIMARYCACHE, "primarycache",
227 ZFS_CACHE_ALL, PROP_INHERIT,
228 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME,
229 "all | none | metadata", "PRIMARYCACHE", cache_table);
230 zprop_register_index(ZFS_PROP_SECONDARYCACHE, "secondarycache",
231 ZFS_CACHE_ALL, PROP_INHERIT,
232 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT | ZFS_TYPE_VOLUME,
233 "all | none | metadata", "SECONDARYCACHE", cache_table);
234 zprop_register_index(ZFS_PROP_LOGBIAS, "logbias", ZFS_LOGBIAS_LATENCY,
235 PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
236 "latency | throughput", "LOGBIAS", logbias_table);
237 zprop_register_index(ZFS_PROP_XATTR, "xattr", ZFS_XATTR_DIR,
238 PROP_INHERIT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
239 "on | off | dir | sa", "XATTR", xattr_table);
241 /* inherit index (boolean) properties */
242 zprop_register_index(ZFS_PROP_ATIME, "atime", 1, PROP_INHERIT,
243 ZFS_TYPE_FILESYSTEM, "on | off", "ATIME", boolean_table);
244 zprop_register_index(ZFS_PROP_DEVICES, "devices", 1, PROP_INHERIT,
245 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "DEVICES",
247 zprop_register_index(ZFS_PROP_EXEC, "exec", 1, PROP_INHERIT,
248 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "EXEC",
250 zprop_register_index(ZFS_PROP_SETUID, "setuid", 1, PROP_INHERIT,
251 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "SETUID",
253 zprop_register_index(ZFS_PROP_READONLY, "readonly", 0, PROP_INHERIT,
254 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "on | off", "RDONLY",
256 zprop_register_index(ZFS_PROP_ZONED, "zoned", 0, PROP_INHERIT,
257 ZFS_TYPE_FILESYSTEM, "on | off", "ZONED", boolean_table);
258 zprop_register_index(ZFS_PROP_VSCAN, "vscan", 0, PROP_INHERIT,
259 ZFS_TYPE_FILESYSTEM, "on | off", "VSCAN", boolean_table);
260 zprop_register_index(ZFS_PROP_NBMAND, "nbmand", 0, PROP_INHERIT,
261 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT, "on | off", "NBMAND",
264 /* default index properties */
265 zprop_register_index(ZFS_PROP_VERSION, "version", 0, PROP_DEFAULT,
266 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
267 "1 | 2 | 3 | 4 | 5 | current", "VERSION", version_table);
268 zprop_register_index(ZFS_PROP_CANMOUNT, "canmount", ZFS_CANMOUNT_ON,
269 PROP_DEFAULT, ZFS_TYPE_FILESYSTEM, "on | off | noauto",
270 "CANMOUNT", canmount_table);
272 /* readonly index (boolean) properties */
273 zprop_register_index(ZFS_PROP_MOUNTED, "mounted", 0, PROP_READONLY,
274 ZFS_TYPE_FILESYSTEM, "yes | no", "MOUNTED", boolean_table);
275 zprop_register_index(ZFS_PROP_DEFER_DESTROY, "defer_destroy", 0,
276 PROP_READONLY, ZFS_TYPE_SNAPSHOT, "yes | no", "DEFER_DESTROY",
279 /* set once index properties */
280 zprop_register_index(ZFS_PROP_NORMALIZE, "normalization", 0,
281 PROP_ONETIME, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
282 "none | formC | formD | formKC | formKD", "NORMALIZATION",
284 zprop_register_index(ZFS_PROP_CASE, "casesensitivity",
285 ZFS_CASE_SENSITIVE, PROP_ONETIME, ZFS_TYPE_FILESYSTEM |
287 "sensitive | insensitive | mixed", "CASE", case_table);
289 /* set once index (boolean) properties */
290 zprop_register_index(ZFS_PROP_UTF8ONLY, "utf8only", 0, PROP_ONETIME,
291 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_SNAPSHOT,
292 "on | off", "UTF8ONLY", boolean_table);
294 /* string properties */
295 zprop_register_string(ZFS_PROP_ORIGIN, "origin", NULL, PROP_READONLY,
296 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<snapshot>", "ORIGIN");
297 zprop_register_string(ZFS_PROP_CLONES, "clones", NULL, PROP_READONLY,
298 ZFS_TYPE_SNAPSHOT, "<dataset>[,...]", "CLONES");
299 zprop_register_string(ZFS_PROP_MOUNTPOINT, "mountpoint", "/",
300 PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "<path> | legacy | none",
302 zprop_register_string(ZFS_PROP_SHARENFS, "sharenfs", "off",
303 PROP_INHERIT, ZFS_TYPE_FILESYSTEM, "on | off | share(1M) options",
305 zprop_register_string(ZFS_PROP_TYPE, "type", NULL, PROP_READONLY,
306 ZFS_TYPE_DATASET, "filesystem | volume | snapshot", "TYPE");
307 zprop_register_string(ZFS_PROP_SHARESMB, "sharesmb", "off",
308 PROP_INHERIT, ZFS_TYPE_FILESYSTEM,
309 "on | off | sharemgr(1M) options", "SHARESMB");
310 zprop_register_string(ZFS_PROP_MLSLABEL, "mlslabel",
311 ZFS_MLSLABEL_DEFAULT, PROP_INHERIT, ZFS_TYPE_DATASET,
312 "<sensitivity label>", "MLSLABEL");
314 /* readonly number properties */
315 zprop_register_number(ZFS_PROP_USED, "used", 0, PROP_READONLY,
316 ZFS_TYPE_DATASET, "<size>", "USED");
317 zprop_register_number(ZFS_PROP_AVAILABLE, "available", 0, PROP_READONLY,
318 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "AVAIL");
319 zprop_register_number(ZFS_PROP_REFERENCED, "referenced", 0,
320 PROP_READONLY, ZFS_TYPE_DATASET, "<size>", "REFER");
321 zprop_register_number(ZFS_PROP_COMPRESSRATIO, "compressratio", 0,
322 PROP_READONLY, ZFS_TYPE_DATASET,
323 "<1.00x or higher if compressed>", "RATIO");
324 zprop_register_number(ZFS_PROP_REFRATIO, "refcompressratio", 0,
325 PROP_READONLY, ZFS_TYPE_DATASET,
326 "<1.00x or higher if compressed>", "REFRATIO");
327 zprop_register_number(ZFS_PROP_VOLBLOCKSIZE, "volblocksize",
328 ZVOL_DEFAULT_BLOCKSIZE, PROP_ONETIME,
329 ZFS_TYPE_VOLUME, "512 to 128k, power of 2", "VOLBLOCK");
330 zprop_register_number(ZFS_PROP_USEDSNAP, "usedbysnapshots", 0,
331 PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
333 zprop_register_number(ZFS_PROP_USEDDS, "usedbydataset", 0,
334 PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
336 zprop_register_number(ZFS_PROP_USEDCHILD, "usedbychildren", 0,
337 PROP_READONLY, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>",
339 zprop_register_number(ZFS_PROP_USEDREFRESERV, "usedbyrefreservation", 0,
341 ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME, "<size>", "USEDREFRESERV");
342 zprop_register_number(ZFS_PROP_USERREFS, "userrefs", 0, PROP_READONLY,
343 ZFS_TYPE_SNAPSHOT, "<count>", "USERREFS");
344 zprop_register_number(ZFS_PROP_WRITTEN, "written", 0, PROP_READONLY,
345 ZFS_TYPE_DATASET, "<size>", "WRITTEN");
347 /* default number properties */
348 zprop_register_number(ZFS_PROP_QUOTA, "quota", 0, PROP_DEFAULT,
349 ZFS_TYPE_FILESYSTEM, "<size> | none", "QUOTA");
350 zprop_register_number(ZFS_PROP_RESERVATION, "reservation", 0,
351 PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
352 "<size> | none", "RESERV");
353 zprop_register_number(ZFS_PROP_VOLSIZE, "volsize", 0, PROP_DEFAULT,
354 ZFS_TYPE_VOLUME, "<size>", "VOLSIZE");
355 zprop_register_number(ZFS_PROP_REFQUOTA, "refquota", 0, PROP_DEFAULT,
356 ZFS_TYPE_FILESYSTEM, "<size> | none", "REFQUOTA");
357 zprop_register_number(ZFS_PROP_REFRESERVATION, "refreservation", 0,
358 PROP_DEFAULT, ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME,
359 "<size> | none", "REFRESERV");
361 /* inherit number properties */
362 zprop_register_number(ZFS_PROP_RECORDSIZE, "recordsize",
363 SPA_MAXBLOCKSIZE, PROP_INHERIT,
364 ZFS_TYPE_FILESYSTEM, "512 to 128k, power of 2", "RECSIZE");
366 /* hidden properties */
367 zprop_register_hidden(ZFS_PROP_CREATETXG, "createtxg", PROP_TYPE_NUMBER,
368 PROP_READONLY, ZFS_TYPE_DATASET, "CREATETXG");
369 zprop_register_hidden(ZFS_PROP_NUMCLONES, "numclones", PROP_TYPE_NUMBER,
370 PROP_READONLY, ZFS_TYPE_SNAPSHOT, "NUMCLONES");
371 zprop_register_hidden(ZFS_PROP_NAME, "name", PROP_TYPE_STRING,
372 PROP_READONLY, ZFS_TYPE_DATASET, "NAME");
373 zprop_register_hidden(ZFS_PROP_ISCSIOPTIONS, "iscsioptions",
374 PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME, "ISCSIOPTIONS");
375 zprop_register_hidden(ZFS_PROP_STMF_SHAREINFO, "stmf_sbd_lu",
376 PROP_TYPE_STRING, PROP_INHERIT, ZFS_TYPE_VOLUME,
378 zprop_register_hidden(ZFS_PROP_GUID, "guid", PROP_TYPE_NUMBER,
379 PROP_READONLY, ZFS_TYPE_DATASET, "GUID");
380 zprop_register_hidden(ZFS_PROP_USERACCOUNTING, "useraccounting",
381 PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_DATASET,
383 zprop_register_hidden(ZFS_PROP_UNIQUE, "unique", PROP_TYPE_NUMBER,
384 PROP_READONLY, ZFS_TYPE_DATASET, "UNIQUE");
385 zprop_register_hidden(ZFS_PROP_OBJSETID, "objsetid", PROP_TYPE_NUMBER,
386 PROP_READONLY, ZFS_TYPE_DATASET, "OBJSETID");
389 * Property to be removed once libbe is integrated
391 zprop_register_hidden(ZFS_PROP_PRIVATE, "priv_prop",
392 PROP_TYPE_NUMBER, PROP_READONLY, ZFS_TYPE_FILESYSTEM,
395 /* oddball properties */
396 zprop_register_impl(ZFS_PROP_CREATION, "creation", PROP_TYPE_NUMBER, 0,
397 NULL, PROP_READONLY, ZFS_TYPE_DATASET,
398 "<date>", "CREATION", B_FALSE, B_TRUE, NULL);
402 zfs_prop_delegatable(zfs_prop_t prop)
404 zprop_desc_t *pd = &zfs_prop_table[prop];
406 /* The mlslabel property is never delegatable. */
407 if (prop == ZFS_PROP_MLSLABEL)
410 return (pd->pd_attr != PROP_READONLY);
414 * Given a zfs dataset property name, returns the corresponding property ID.
417 zfs_name_to_prop(const char *propname)
419 return (zprop_name_to_prop(propname, ZFS_TYPE_DATASET));
423 * For user property names, we allow all lowercase alphanumeric characters, plus
424 * a few useful punctuation characters.
429 return ((c >= 'a' && c <= 'z') ||
430 (c >= '0' && c <= '9') ||
431 c == '-' || c == '_' || c == '.' || c == ':');
435 * Returns true if this is a valid user-defined property (one with a ':').
438 zfs_prop_user(const char *name)
442 boolean_t foundsep = B_FALSE;
444 for (i = 0; i < strlen(name); i++) {
459 * Returns true if this is a valid userspace-type property (one with a '@').
460 * Note that after the @, any character is valid (eg, another @, for SID
464 zfs_prop_userquota(const char *name)
466 zfs_userquota_prop_t prop;
468 for (prop = 0; prop < ZFS_NUM_USERQUOTA_PROPS; prop++) {
469 if (strncmp(name, zfs_userquota_prop_prefixes[prop],
470 strlen(zfs_userquota_prop_prefixes[prop])) == 0) {
479 * Returns true if this is a valid written@ property.
480 * Note that after the @, any character is valid (eg, another @, for
481 * written@pool/fs@origin).
484 zfs_prop_written(const char *name)
486 static const char *prefix = "written@";
487 return (strncmp(name, prefix, strlen(prefix)) == 0);
491 * Tables of index types, plus functions to convert between the user view
492 * (strings) and internal representation (uint64_t).
495 zfs_prop_string_to_index(zfs_prop_t prop, const char *string, uint64_t *index)
497 return (zprop_string_to_index(prop, string, index, ZFS_TYPE_DATASET));
501 zfs_prop_index_to_string(zfs_prop_t prop, uint64_t index, const char **string)
503 return (zprop_index_to_string(prop, index, string, ZFS_TYPE_DATASET));
507 zfs_prop_random_value(zfs_prop_t prop, uint64_t seed)
509 return (zprop_random_value(prop, seed, ZFS_TYPE_DATASET));
513 * Returns TRUE if the property applies to any of the given dataset types.
516 zfs_prop_valid_for_type(int prop, zfs_type_t types)
518 return (zprop_valid_for_type(prop, types));
522 zfs_prop_get_type(zfs_prop_t prop)
524 return (zfs_prop_table[prop].pd_proptype);
528 * Returns TRUE if the property is readonly.
531 zfs_prop_readonly(zfs_prop_t prop)
533 return (zfs_prop_table[prop].pd_attr == PROP_READONLY ||
534 zfs_prop_table[prop].pd_attr == PROP_ONETIME);
538 * Returns TRUE if the property is only allowed to be set once.
541 zfs_prop_setonce(zfs_prop_t prop)
543 return (zfs_prop_table[prop].pd_attr == PROP_ONETIME);
547 zfs_prop_default_string(zfs_prop_t prop)
549 return (zfs_prop_table[prop].pd_strdefault);
553 zfs_prop_default_numeric(zfs_prop_t prop)
555 return (zfs_prop_table[prop].pd_numdefault);
559 * Given a dataset property ID, returns the corresponding name.
560 * Assuming the zfs dataset property ID is valid.
563 zfs_prop_to_name(zfs_prop_t prop)
565 return (zfs_prop_table[prop].pd_name);
569 * Returns TRUE if the property is inheritable.
572 zfs_prop_inheritable(zfs_prop_t prop)
574 return (zfs_prop_table[prop].pd_attr == PROP_INHERIT ||
575 zfs_prop_table[prop].pd_attr == PROP_ONETIME);
581 * Returns a string describing the set of acceptable values for the given
582 * zfs property, or NULL if it cannot be set.
585 zfs_prop_values(zfs_prop_t prop)
587 return (zfs_prop_table[prop].pd_values);
591 * Returns TRUE if this property is a string type. Note that index types
592 * (compression, checksum) are treated as strings in userland, even though they
593 * are stored numerically on disk.
596 zfs_prop_is_string(zfs_prop_t prop)
598 return (zfs_prop_table[prop].pd_proptype == PROP_TYPE_STRING ||
599 zfs_prop_table[prop].pd_proptype == PROP_TYPE_INDEX);
603 * Returns the column header for the given property. Used only in
604 * 'zfs list -o', but centralized here with the other property information.
607 zfs_prop_column_name(zfs_prop_t prop)
609 return (zfs_prop_table[prop].pd_colname);
613 * Returns whether the given property should be displayed right-justified for
617 zfs_prop_align_right(zfs_prop_t prop)
619 return (zfs_prop_table[prop].pd_rightalign);
624 #if defined(_KERNEL) && defined(HAVE_SPL)
626 static int zcommon_init(void) { return 0; }
627 static int zcommon_fini(void) { return 0; }
629 spl_module_init(zcommon_init);
630 spl_module_exit(zcommon_fini);
632 MODULE_DESCRIPTION("Generic ZFS support");
633 MODULE_AUTHOR(ZFS_META_AUTHOR);
634 MODULE_LICENSE(ZFS_META_LICENSE);
636 /* zfs dataset property functions */
637 EXPORT_SYMBOL(zfs_userquota_prop_prefixes);
638 EXPORT_SYMBOL(zfs_prop_init);
639 EXPORT_SYMBOL(zfs_prop_get_type);
640 EXPORT_SYMBOL(zfs_prop_get_table);
641 EXPORT_SYMBOL(zfs_prop_delegatable);
643 /* Dataset property functions shared between libzfs and kernel. */
644 EXPORT_SYMBOL(zfs_prop_default_string);
645 EXPORT_SYMBOL(zfs_prop_default_numeric);
646 EXPORT_SYMBOL(zfs_prop_readonly);
647 EXPORT_SYMBOL(zfs_prop_inheritable);
648 EXPORT_SYMBOL(zfs_prop_setonce);
649 EXPORT_SYMBOL(zfs_prop_to_name);
650 EXPORT_SYMBOL(zfs_name_to_prop);
651 EXPORT_SYMBOL(zfs_prop_user);
652 EXPORT_SYMBOL(zfs_prop_userquota);
653 EXPORT_SYMBOL(zfs_prop_index_to_string);
654 EXPORT_SYMBOL(zfs_prop_string_to_index);
655 EXPORT_SYMBOL(zfs_prop_valid_for_type);