Print this page
OS-1566 filesystem limits for ZFS datasets
| Split |
Close |
| Expand all |
| Collapse all |
--- old/usr/src/uts/common/sys/fs/zfs.h
+++ new/usr/src/uts/common/sys/fs/zfs.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 24 * Copyright (c) 2012 by Delphix. All rights reserved.
25 25 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
26 26 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
27 27 */
28 28
29 29 /* Portions Copyright 2010 Robert Milkowski */
30 30
31 31 #ifndef _SYS_FS_ZFS_H
32 32 #define _SYS_FS_ZFS_H
33 33
34 34 #include <sys/time.h>
35 35
36 36 #ifdef __cplusplus
37 37 extern "C" {
38 38 #endif
39 39
40 40 /*
41 41 * Types and constants shared between userland and the kernel.
42 42 */
43 43
44 44 /*
45 45 * Each dataset can be one of the following types. These constants can be
46 46 * combined into masks that can be passed to various functions.
47 47 */
48 48 typedef enum {
49 49 ZFS_TYPE_FILESYSTEM = 0x1,
50 50 ZFS_TYPE_SNAPSHOT = 0x2,
51 51 ZFS_TYPE_VOLUME = 0x4,
52 52 ZFS_TYPE_POOL = 0x8
53 53 } zfs_type_t;
54 54
55 55 typedef enum dmu_objset_type {
56 56 DMU_OST_NONE,
57 57 DMU_OST_META,
58 58 DMU_OST_ZFS,
59 59 DMU_OST_ZVOL,
60 60 DMU_OST_OTHER, /* For testing only! */
61 61 DMU_OST_ANY, /* Be careful! */
62 62 DMU_OST_NUMTYPES
63 63 } dmu_objset_type_t;
64 64
65 65 #define ZFS_TYPE_DATASET \
66 66 (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT)
67 67
68 68 #define ZAP_MAXNAMELEN 256
69 69 #define ZAP_MAXVALUELEN (1024 * 8)
70 70 #define ZAP_OLDMAXVALUELEN 1024
71 71
72 72 /*
73 73 * Dataset properties are identified by these constants and must be added to
74 74 * the end of this list to ensure that external consumers are not affected
75 75 * by the change. If you make any changes to this list, be sure to update
76 76 * the property table in usr/src/common/zfs/zfs_prop.c.
77 77 */
78 78 typedef enum {
79 79 ZFS_PROP_TYPE,
80 80 ZFS_PROP_CREATION,
81 81 ZFS_PROP_USED,
82 82 ZFS_PROP_AVAILABLE,
83 83 ZFS_PROP_REFERENCED,
84 84 ZFS_PROP_COMPRESSRATIO,
85 85 ZFS_PROP_MOUNTED,
86 86 ZFS_PROP_ORIGIN,
87 87 ZFS_PROP_QUOTA,
88 88 ZFS_PROP_RESERVATION,
89 89 ZFS_PROP_VOLSIZE,
90 90 ZFS_PROP_VOLBLOCKSIZE,
91 91 ZFS_PROP_RECORDSIZE,
92 92 ZFS_PROP_MOUNTPOINT,
93 93 ZFS_PROP_SHARENFS,
94 94 ZFS_PROP_CHECKSUM,
95 95 ZFS_PROP_COMPRESSION,
96 96 ZFS_PROP_ATIME,
97 97 ZFS_PROP_DEVICES,
98 98 ZFS_PROP_EXEC,
99 99 ZFS_PROP_SETUID,
100 100 ZFS_PROP_READONLY,
101 101 ZFS_PROP_ZONED,
102 102 ZFS_PROP_SNAPDIR,
103 103 ZFS_PROP_ACLMODE,
104 104 ZFS_PROP_ACLINHERIT,
105 105 ZFS_PROP_CREATETXG, /* not exposed to the user */
106 106 ZFS_PROP_NAME, /* not exposed to the user */
107 107 ZFS_PROP_CANMOUNT,
108 108 ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */
109 109 ZFS_PROP_XATTR,
110 110 ZFS_PROP_NUMCLONES, /* not exposed to the user */
111 111 ZFS_PROP_COPIES,
112 112 ZFS_PROP_VERSION,
113 113 ZFS_PROP_UTF8ONLY,
114 114 ZFS_PROP_NORMALIZE,
115 115 ZFS_PROP_CASE,
116 116 ZFS_PROP_VSCAN,
117 117 ZFS_PROP_NBMAND,
118 118 ZFS_PROP_SHARESMB,
119 119 ZFS_PROP_REFQUOTA,
120 120 ZFS_PROP_REFRESERVATION,
121 121 ZFS_PROP_GUID,
122 122 ZFS_PROP_PRIMARYCACHE,
123 123 ZFS_PROP_SECONDARYCACHE,
124 124 ZFS_PROP_USEDSNAP,
125 125 ZFS_PROP_USEDDS,
126 126 ZFS_PROP_USEDCHILD,
127 127 ZFS_PROP_USEDREFRESERV,
128 128 ZFS_PROP_USERACCOUNTING, /* not exposed to the user */
129 129 ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */
130 130 ZFS_PROP_DEFER_DESTROY,
|
↓ open down ↓ |
130 lines elided |
↑ open up ↑ |
131 131 ZFS_PROP_USERREFS,
132 132 ZFS_PROP_LOGBIAS,
133 133 ZFS_PROP_UNIQUE, /* not exposed to the user */
134 134 ZFS_PROP_OBJSETID, /* not exposed to the user */
135 135 ZFS_PROP_DEDUP,
136 136 ZFS_PROP_MLSLABEL,
137 137 ZFS_PROP_SYNC,
138 138 ZFS_PROP_REFRATIO,
139 139 ZFS_PROP_WRITTEN,
140 140 ZFS_PROP_CLONES,
141 + ZFS_PROP_FILESYSTEM_LIMIT,
142 + ZFS_PROP_SNAPSHOT_LIMIT,
141 143 ZFS_NUM_PROPS
142 144 } zfs_prop_t;
143 145
144 146 typedef enum {
145 147 ZFS_PROP_USERUSED,
146 148 ZFS_PROP_USERQUOTA,
147 149 ZFS_PROP_GROUPUSED,
148 150 ZFS_PROP_GROUPQUOTA,
149 151 ZFS_NUM_USERQUOTA_PROPS
150 152 } zfs_userquota_prop_t;
151 153
152 154 extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS];
153 155
154 156 /*
155 157 * Pool properties are identified by these constants and must be added to the
156 158 * end of this list to ensure that external consumers are not affected
157 159 * by the change. If you make any changes to this list, be sure to update
158 160 * the property table in usr/src/common/zfs/zpool_prop.c.
159 161 */
160 162 typedef enum {
161 163 ZPOOL_PROP_NAME,
162 164 ZPOOL_PROP_SIZE,
163 165 ZPOOL_PROP_CAPACITY,
164 166 ZPOOL_PROP_ALTROOT,
165 167 ZPOOL_PROP_HEALTH,
166 168 ZPOOL_PROP_GUID,
167 169 ZPOOL_PROP_VERSION,
168 170 ZPOOL_PROP_BOOTFS,
169 171 ZPOOL_PROP_DELEGATION,
170 172 ZPOOL_PROP_AUTOREPLACE,
171 173 ZPOOL_PROP_CACHEFILE,
172 174 ZPOOL_PROP_FAILUREMODE,
173 175 ZPOOL_PROP_LISTSNAPS,
174 176 ZPOOL_PROP_AUTOEXPAND,
175 177 ZPOOL_PROP_DEDUPDITTO,
176 178 ZPOOL_PROP_DEDUPRATIO,
177 179 ZPOOL_PROP_FREE,
178 180 ZPOOL_PROP_ALLOCATED,
179 181 ZPOOL_PROP_READONLY,
180 182 ZPOOL_PROP_COMMENT,
181 183 ZPOOL_PROP_EXPANDSZ,
182 184 ZPOOL_PROP_FREEING,
183 185 ZPOOL_NUM_PROPS
184 186 } zpool_prop_t;
185 187
186 188 /* Small enough to not hog a whole line of printout in zpool(1M). */
187 189 #define ZPROP_MAX_COMMENT 32
188 190
189 191 #define ZPROP_CONT -2
190 192 #define ZPROP_INVAL -1
191 193
192 194 #define ZPROP_VALUE "value"
193 195 #define ZPROP_SOURCE "source"
194 196
195 197 typedef enum {
196 198 ZPROP_SRC_NONE = 0x1,
197 199 ZPROP_SRC_DEFAULT = 0x2,
198 200 ZPROP_SRC_TEMPORARY = 0x4,
199 201 ZPROP_SRC_LOCAL = 0x8,
200 202 ZPROP_SRC_INHERITED = 0x10,
201 203 ZPROP_SRC_RECEIVED = 0x20
202 204 } zprop_source_t;
203 205
204 206 #define ZPROP_SRC_ALL 0x3f
205 207
206 208 #define ZPROP_SOURCE_VAL_RECVD "$recvd"
207 209 #define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS"
208 210 /*
209 211 * Dataset flag implemented as a special entry in the props zap object
210 212 * indicating that the dataset has received properties on or after
211 213 * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties
212 214 * just as it did in earlier versions, and thereafter, local properties are
213 215 * preserved.
214 216 */
215 217 #define ZPROP_HAS_RECVD "$hasrecvd"
216 218
217 219 typedef enum {
218 220 ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */
219 221 ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */
220 222 } zprop_errflags_t;
221 223
222 224 typedef int (*zprop_func)(int, void *);
223 225
224 226 /*
225 227 * Properties to be set on the root file system of a new pool
226 228 * are stuffed into their own nvlist, which is then included in
227 229 * the properties nvlist with the pool properties.
228 230 */
229 231 #define ZPOOL_ROOTFS_PROPS "root-props-nvl"
230 232
231 233 /*
232 234 * Dataset property functions shared between libzfs and kernel.
233 235 */
234 236 const char *zfs_prop_default_string(zfs_prop_t);
235 237 uint64_t zfs_prop_default_numeric(zfs_prop_t);
236 238 boolean_t zfs_prop_readonly(zfs_prop_t);
237 239 boolean_t zfs_prop_inheritable(zfs_prop_t);
238 240 boolean_t zfs_prop_setonce(zfs_prop_t);
239 241 const char *zfs_prop_to_name(zfs_prop_t);
240 242 zfs_prop_t zfs_name_to_prop(const char *);
241 243 boolean_t zfs_prop_user(const char *);
242 244 boolean_t zfs_prop_userquota(const char *);
243 245 boolean_t zfs_prop_written(const char *);
244 246 int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
245 247 int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *);
246 248 uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed);
247 249 boolean_t zfs_prop_valid_for_type(int, zfs_type_t);
248 250
249 251 /*
250 252 * Pool property functions shared between libzfs and kernel.
251 253 */
252 254 zpool_prop_t zpool_name_to_prop(const char *);
253 255 const char *zpool_prop_to_name(zpool_prop_t);
254 256 const char *zpool_prop_default_string(zpool_prop_t);
255 257 uint64_t zpool_prop_default_numeric(zpool_prop_t);
256 258 boolean_t zpool_prop_readonly(zpool_prop_t);
257 259 boolean_t zpool_prop_feature(const char *);
258 260 boolean_t zpool_prop_unsupported(const char *name);
259 261 int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **);
260 262 int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *);
261 263 uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed);
262 264
263 265 /*
264 266 * Definitions for the Delegation.
265 267 */
266 268 typedef enum {
267 269 ZFS_DELEG_WHO_UNKNOWN = 0,
268 270 ZFS_DELEG_USER = 'u',
269 271 ZFS_DELEG_USER_SETS = 'U',
270 272 ZFS_DELEG_GROUP = 'g',
271 273 ZFS_DELEG_GROUP_SETS = 'G',
272 274 ZFS_DELEG_EVERYONE = 'e',
273 275 ZFS_DELEG_EVERYONE_SETS = 'E',
274 276 ZFS_DELEG_CREATE = 'c',
275 277 ZFS_DELEG_CREATE_SETS = 'C',
276 278 ZFS_DELEG_NAMED_SET = 's',
277 279 ZFS_DELEG_NAMED_SET_SETS = 'S'
278 280 } zfs_deleg_who_type_t;
279 281
280 282 typedef enum {
281 283 ZFS_DELEG_NONE = 0,
282 284 ZFS_DELEG_PERM_LOCAL = 1,
283 285 ZFS_DELEG_PERM_DESCENDENT = 2,
284 286 ZFS_DELEG_PERM_LOCALDESCENDENT = 3,
285 287 ZFS_DELEG_PERM_CREATE = 4
286 288 } zfs_deleg_inherit_t;
287 289
288 290 #define ZFS_DELEG_PERM_UID "uid"
289 291 #define ZFS_DELEG_PERM_GID "gid"
290 292 #define ZFS_DELEG_PERM_GROUPS "groups"
291 293
292 294 #define ZFS_MLSLABEL_DEFAULT "none"
293 295
294 296 #define ZFS_SMB_ACL_SRC "src"
295 297 #define ZFS_SMB_ACL_TARGET "target"
296 298
297 299 typedef enum {
298 300 ZFS_CANMOUNT_OFF = 0,
299 301 ZFS_CANMOUNT_ON = 1,
300 302 ZFS_CANMOUNT_NOAUTO = 2
301 303 } zfs_canmount_type_t;
302 304
303 305 typedef enum {
304 306 ZFS_LOGBIAS_LATENCY = 0,
305 307 ZFS_LOGBIAS_THROUGHPUT = 1
306 308 } zfs_logbias_op_t;
307 309
308 310 typedef enum zfs_share_op {
309 311 ZFS_SHARE_NFS = 0,
310 312 ZFS_UNSHARE_NFS = 1,
311 313 ZFS_SHARE_SMB = 2,
312 314 ZFS_UNSHARE_SMB = 3
313 315 } zfs_share_op_t;
314 316
315 317 typedef enum zfs_smb_acl_op {
316 318 ZFS_SMB_ACL_ADD,
317 319 ZFS_SMB_ACL_REMOVE,
318 320 ZFS_SMB_ACL_RENAME,
319 321 ZFS_SMB_ACL_PURGE
320 322 } zfs_smb_acl_op_t;
321 323
322 324 typedef enum zfs_cache_type {
323 325 ZFS_CACHE_NONE = 0,
324 326 ZFS_CACHE_METADATA = 1,
325 327 ZFS_CACHE_ALL = 2
326 328 } zfs_cache_type_t;
327 329
328 330 typedef enum {
329 331 ZFS_SYNC_STANDARD = 0,
330 332 ZFS_SYNC_ALWAYS = 1,
331 333 ZFS_SYNC_DISABLED = 2
332 334 } zfs_sync_type_t;
333 335
334 336
335 337 /*
336 338 * On-disk version number.
337 339 */
338 340 #define SPA_VERSION_1 1ULL
339 341 #define SPA_VERSION_2 2ULL
340 342 #define SPA_VERSION_3 3ULL
341 343 #define SPA_VERSION_4 4ULL
342 344 #define SPA_VERSION_5 5ULL
343 345 #define SPA_VERSION_6 6ULL
344 346 #define SPA_VERSION_7 7ULL
345 347 #define SPA_VERSION_8 8ULL
346 348 #define SPA_VERSION_9 9ULL
347 349 #define SPA_VERSION_10 10ULL
348 350 #define SPA_VERSION_11 11ULL
349 351 #define SPA_VERSION_12 12ULL
350 352 #define SPA_VERSION_13 13ULL
351 353 #define SPA_VERSION_14 14ULL
352 354 #define SPA_VERSION_15 15ULL
353 355 #define SPA_VERSION_16 16ULL
354 356 #define SPA_VERSION_17 17ULL
355 357 #define SPA_VERSION_18 18ULL
356 358 #define SPA_VERSION_19 19ULL
357 359 #define SPA_VERSION_20 20ULL
358 360 #define SPA_VERSION_21 21ULL
359 361 #define SPA_VERSION_22 22ULL
360 362 #define SPA_VERSION_23 23ULL
361 363 #define SPA_VERSION_24 24ULL
362 364 #define SPA_VERSION_25 25ULL
363 365 #define SPA_VERSION_26 26ULL
364 366 #define SPA_VERSION_27 27ULL
365 367 #define SPA_VERSION_28 28ULL
366 368 #define SPA_VERSION_5000 5000ULL
367 369
368 370 /*
369 371 * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk
370 372 * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*},
371 373 * and do the appropriate changes. Also bump the version number in
372 374 * usr/src/grub/capability.
373 375 */
374 376 #define SPA_VERSION SPA_VERSION_5000
375 377 #define SPA_VERSION_STRING "5000"
376 378
377 379 /*
378 380 * Symbolic names for the changes that caused a SPA_VERSION switch.
379 381 * Used in the code when checking for presence or absence of a feature.
380 382 * Feel free to define multiple symbolic names for each version if there
381 383 * were multiple changes to on-disk structures during that version.
382 384 *
383 385 * NOTE: When checking the current SPA_VERSION in your code, be sure
384 386 * to use spa_version() since it reports the version of the
385 387 * last synced uberblock. Checking the in-flight version can
386 388 * be dangerous in some cases.
387 389 */
388 390 #define SPA_VERSION_INITIAL SPA_VERSION_1
389 391 #define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2
390 392 #define SPA_VERSION_SPARES SPA_VERSION_3
391 393 #define SPA_VERSION_RAIDZ2 SPA_VERSION_3
392 394 #define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3
393 395 #define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3
394 396 #define SPA_VERSION_DNODE_BYTES SPA_VERSION_3
395 397 #define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4
396 398 #define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5
397 399 #define SPA_VERSION_BOOTFS SPA_VERSION_6
398 400 #define SPA_VERSION_SLOGS SPA_VERSION_7
399 401 #define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8
400 402 #define SPA_VERSION_FUID SPA_VERSION_9
401 403 #define SPA_VERSION_REFRESERVATION SPA_VERSION_9
402 404 #define SPA_VERSION_REFQUOTA SPA_VERSION_9
403 405 #define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9
404 406 #define SPA_VERSION_L2CACHE SPA_VERSION_10
405 407 #define SPA_VERSION_NEXT_CLONES SPA_VERSION_11
406 408 #define SPA_VERSION_ORIGIN SPA_VERSION_11
407 409 #define SPA_VERSION_DSL_SCRUB SPA_VERSION_11
408 410 #define SPA_VERSION_SNAP_PROPS SPA_VERSION_12
409 411 #define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13
410 412 #define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14
411 413 #define SPA_VERSION_USERSPACE SPA_VERSION_15
412 414 #define SPA_VERSION_STMF_PROP SPA_VERSION_16
413 415 #define SPA_VERSION_RAIDZ3 SPA_VERSION_17
414 416 #define SPA_VERSION_USERREFS SPA_VERSION_18
415 417 #define SPA_VERSION_HOLES SPA_VERSION_19
416 418 #define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20
417 419 #define SPA_VERSION_DEDUP SPA_VERSION_21
418 420 #define SPA_VERSION_RECVD_PROPS SPA_VERSION_22
419 421 #define SPA_VERSION_SLIM_ZIL SPA_VERSION_23
420 422 #define SPA_VERSION_SA SPA_VERSION_24
421 423 #define SPA_VERSION_SCAN SPA_VERSION_25
422 424 #define SPA_VERSION_DIR_CLONES SPA_VERSION_26
423 425 #define SPA_VERSION_DEADLISTS SPA_VERSION_26
424 426 #define SPA_VERSION_FAST_SNAP SPA_VERSION_27
425 427 #define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28
426 428 #define SPA_VERSION_BEFORE_FEATURES SPA_VERSION_28
427 429 #define SPA_VERSION_FEATURES SPA_VERSION_5000
428 430
429 431 #define SPA_VERSION_IS_SUPPORTED(v) \
430 432 (((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \
431 433 ((v) >= SPA_VERSION_FEATURES && (v) <= SPA_VERSION))
432 434
433 435 /*
434 436 * ZPL version - rev'd whenever an incompatible on-disk format change
435 437 * occurs. This is independent of SPA/DMU/ZAP versioning. You must
436 438 * also update the version_table[] and help message in zfs_prop.c.
437 439 *
438 440 * When changing, be sure to teach GRUB how to read the new format!
439 441 * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*}
440 442 */
441 443 #define ZPL_VERSION_1 1ULL
442 444 #define ZPL_VERSION_2 2ULL
443 445 #define ZPL_VERSION_3 3ULL
444 446 #define ZPL_VERSION_4 4ULL
445 447 #define ZPL_VERSION_5 5ULL
446 448 #define ZPL_VERSION ZPL_VERSION_5
447 449 #define ZPL_VERSION_STRING "5"
448 450
449 451 #define ZPL_VERSION_INITIAL ZPL_VERSION_1
450 452 #define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2
451 453 #define ZPL_VERSION_FUID ZPL_VERSION_3
452 454 #define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3
453 455 #define ZPL_VERSION_SYSATTR ZPL_VERSION_3
454 456 #define ZPL_VERSION_USERSPACE ZPL_VERSION_4
455 457 #define ZPL_VERSION_SA ZPL_VERSION_5
456 458
457 459 /* Rewind request information */
458 460 #define ZPOOL_NO_REWIND 1 /* No policy - default behavior */
459 461 #define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */
460 462 #define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */
461 463 #define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */
462 464 #define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */
463 465 #define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */
464 466 #define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */
465 467
466 468 typedef struct zpool_rewind_policy {
467 469 uint32_t zrp_request; /* rewind behavior requested */
468 470 uint64_t zrp_maxmeta; /* max acceptable meta-data errors */
469 471 uint64_t zrp_maxdata; /* max acceptable data errors */
470 472 uint64_t zrp_txg; /* specific txg to load */
471 473 } zpool_rewind_policy_t;
472 474
473 475 /*
474 476 * The following are configuration names used in the nvlist describing a pool's
475 477 * configuration.
476 478 */
477 479 #define ZPOOL_CONFIG_VERSION "version"
478 480 #define ZPOOL_CONFIG_POOL_NAME "name"
479 481 #define ZPOOL_CONFIG_POOL_STATE "state"
480 482 #define ZPOOL_CONFIG_POOL_TXG "txg"
481 483 #define ZPOOL_CONFIG_POOL_GUID "pool_guid"
482 484 #define ZPOOL_CONFIG_CREATE_TXG "create_txg"
483 485 #define ZPOOL_CONFIG_TOP_GUID "top_guid"
484 486 #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree"
485 487 #define ZPOOL_CONFIG_TYPE "type"
486 488 #define ZPOOL_CONFIG_CHILDREN "children"
487 489 #define ZPOOL_CONFIG_ID "id"
488 490 #define ZPOOL_CONFIG_GUID "guid"
489 491 #define ZPOOL_CONFIG_PATH "path"
490 492 #define ZPOOL_CONFIG_DEVID "devid"
491 493 #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array"
492 494 #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift"
493 495 #define ZPOOL_CONFIG_ASHIFT "ashift"
494 496 #define ZPOOL_CONFIG_ASIZE "asize"
495 497 #define ZPOOL_CONFIG_DTL "DTL"
496 498 #define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */
497 499 #define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */
498 500 #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk"
499 501 #define ZPOOL_CONFIG_ERRCOUNT "error_count"
500 502 #define ZPOOL_CONFIG_NOT_PRESENT "not_present"
501 503 #define ZPOOL_CONFIG_SPARES "spares"
502 504 #define ZPOOL_CONFIG_IS_SPARE "is_spare"
503 505 #define ZPOOL_CONFIG_NPARITY "nparity"
504 506 #define ZPOOL_CONFIG_HOSTID "hostid"
505 507 #define ZPOOL_CONFIG_HOSTNAME "hostname"
506 508 #define ZPOOL_CONFIG_LOADED_TIME "initial_load_time"
507 509 #define ZPOOL_CONFIG_UNSPARE "unspare"
508 510 #define ZPOOL_CONFIG_PHYS_PATH "phys_path"
509 511 #define ZPOOL_CONFIG_IS_LOG "is_log"
510 512 #define ZPOOL_CONFIG_L2CACHE "l2cache"
511 513 #define ZPOOL_CONFIG_HOLE_ARRAY "hole_array"
512 514 #define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children"
513 515 #define ZPOOL_CONFIG_IS_HOLE "is_hole"
514 516 #define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram"
515 517 #define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats"
516 518 #define ZPOOL_CONFIG_DDT_STATS "ddt_stats"
517 519 #define ZPOOL_CONFIG_SPLIT "splitcfg"
518 520 #define ZPOOL_CONFIG_ORIG_GUID "orig_guid"
519 521 #define ZPOOL_CONFIG_SPLIT_GUID "split_guid"
520 522 #define ZPOOL_CONFIG_SPLIT_LIST "guid_list"
521 523 #define ZPOOL_CONFIG_REMOVING "removing"
522 524 #define ZPOOL_CONFIG_RESILVERING "resilvering"
523 525 #define ZPOOL_CONFIG_COMMENT "comment"
524 526 #define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */
525 527 #define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */
526 528 #define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */
527 529 #define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */
528 530 #define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */
529 531 #define ZPOOL_CONFIG_REWIND_INFO "rewind_info" /* not stored on disk */
530 532 #define ZPOOL_CONFIG_UNSUP_FEAT "unsup_feat" /* not stored on disk */
531 533 #define ZPOOL_CONFIG_ENABLED_FEAT "enabled_feat" /* not stored on disk */
532 534 #define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */
533 535 #define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read"
534 536 #define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */
535 537 /*
536 538 * The persistent vdev state is stored as separate values rather than a single
537 539 * 'vdev_state' entry. This is because a device can be in multiple states, such
538 540 * as offline and degraded.
539 541 */
540 542 #define ZPOOL_CONFIG_OFFLINE "offline"
541 543 #define ZPOOL_CONFIG_FAULTED "faulted"
542 544 #define ZPOOL_CONFIG_DEGRADED "degraded"
543 545 #define ZPOOL_CONFIG_REMOVED "removed"
544 546 #define ZPOOL_CONFIG_FRU "fru"
545 547 #define ZPOOL_CONFIG_AUX_STATE "aux_state"
546 548
547 549 /* Rewind policy parameters */
548 550 #define ZPOOL_REWIND_POLICY "rewind-policy"
549 551 #define ZPOOL_REWIND_REQUEST "rewind-request"
550 552 #define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg"
551 553 #define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh"
552 554 #define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh"
553 555
554 556 /* Rewind data discovered */
555 557 #define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts"
556 558 #define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors"
557 559 #define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind"
558 560
559 561 #define VDEV_TYPE_ROOT "root"
560 562 #define VDEV_TYPE_MIRROR "mirror"
561 563 #define VDEV_TYPE_REPLACING "replacing"
562 564 #define VDEV_TYPE_RAIDZ "raidz"
563 565 #define VDEV_TYPE_DISK "disk"
564 566 #define VDEV_TYPE_FILE "file"
565 567 #define VDEV_TYPE_MISSING "missing"
566 568 #define VDEV_TYPE_HOLE "hole"
567 569 #define VDEV_TYPE_SPARE "spare"
568 570 #define VDEV_TYPE_LOG "log"
569 571 #define VDEV_TYPE_L2CACHE "l2cache"
570 572
571 573 /*
572 574 * This is needed in userland to report the minimum necessary device size.
573 575 */
574 576 #define SPA_MINDEVSIZE (64ULL << 20)
575 577
576 578 /*
577 579 * The location of the pool configuration repository, shared between kernel and
578 580 * userland.
579 581 */
580 582 #define ZPOOL_CACHE "/etc/zfs/zpool.cache"
581 583
582 584 /*
583 585 * vdev states are ordered from least to most healthy.
584 586 * A vdev that's CANT_OPEN or below is considered unusable.
585 587 */
586 588 typedef enum vdev_state {
587 589 VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */
588 590 VDEV_STATE_CLOSED, /* Not currently open */
589 591 VDEV_STATE_OFFLINE, /* Not allowed to open */
590 592 VDEV_STATE_REMOVED, /* Explicitly removed from system */
591 593 VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */
592 594 VDEV_STATE_FAULTED, /* External request to fault device */
593 595 VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */
594 596 VDEV_STATE_HEALTHY /* Presumed good */
595 597 } vdev_state_t;
596 598
597 599 #define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY
598 600
599 601 /*
600 602 * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field
601 603 * of the vdev stats structure uses these constants to distinguish why.
602 604 */
603 605 typedef enum vdev_aux {
604 606 VDEV_AUX_NONE, /* no error */
605 607 VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */
606 608 VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */
607 609 VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */
608 610 VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */
609 611 VDEV_AUX_TOO_SMALL, /* vdev size is too small */
610 612 VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */
611 613 VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */
612 614 VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */
613 615 VDEV_AUX_UNSUP_FEAT, /* unsupported features */
614 616 VDEV_AUX_SPARED, /* hot spare used in another pool */
615 617 VDEV_AUX_ERR_EXCEEDED, /* too many errors */
616 618 VDEV_AUX_IO_FAILURE, /* experienced I/O failure */
617 619 VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */
618 620 VDEV_AUX_EXTERNAL, /* external diagnosis */
619 621 VDEV_AUX_SPLIT_POOL /* vdev was split off into another pool */
620 622 } vdev_aux_t;
621 623
622 624 /*
623 625 * pool state. The following states are written to disk as part of the normal
624 626 * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining
625 627 * states are software abstractions used at various levels to communicate
626 628 * pool state.
627 629 */
628 630 typedef enum pool_state {
629 631 POOL_STATE_ACTIVE = 0, /* In active use */
630 632 POOL_STATE_EXPORTED, /* Explicitly exported */
631 633 POOL_STATE_DESTROYED, /* Explicitly destroyed */
632 634 POOL_STATE_SPARE, /* Reserved for hot spare use */
633 635 POOL_STATE_L2CACHE, /* Level 2 ARC device */
634 636 POOL_STATE_UNINITIALIZED, /* Internal spa_t state */
635 637 POOL_STATE_UNAVAIL, /* Internal libzfs state */
636 638 POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */
637 639 } pool_state_t;
638 640
639 641 /*
640 642 * Scan Functions.
641 643 */
642 644 typedef enum pool_scan_func {
643 645 POOL_SCAN_NONE,
644 646 POOL_SCAN_SCRUB,
645 647 POOL_SCAN_RESILVER,
646 648 POOL_SCAN_FUNCS
647 649 } pool_scan_func_t;
648 650
649 651 /*
650 652 * ZIO types. Needed to interpret vdev statistics below.
651 653 */
652 654 typedef enum zio_type {
653 655 ZIO_TYPE_NULL = 0,
654 656 ZIO_TYPE_READ,
655 657 ZIO_TYPE_WRITE,
656 658 ZIO_TYPE_FREE,
657 659 ZIO_TYPE_CLAIM,
658 660 ZIO_TYPE_IOCTL,
659 661 ZIO_TYPES
660 662 } zio_type_t;
661 663
662 664 /*
663 665 * Pool statistics. Note: all fields should be 64-bit because this
664 666 * is passed between kernel and userland as an nvlist uint64 array.
665 667 */
666 668 typedef struct pool_scan_stat {
667 669 /* values stored on disk */
668 670 uint64_t pss_func; /* pool_scan_func_t */
669 671 uint64_t pss_state; /* dsl_scan_state_t */
670 672 uint64_t pss_start_time; /* scan start time */
671 673 uint64_t pss_end_time; /* scan end time */
672 674 uint64_t pss_to_examine; /* total bytes to scan */
673 675 uint64_t pss_examined; /* total examined bytes */
674 676 uint64_t pss_to_process; /* total bytes to process */
675 677 uint64_t pss_processed; /* total processed bytes */
676 678 uint64_t pss_errors; /* scan errors */
677 679
678 680 /* values not stored on disk */
679 681 uint64_t pss_pass_exam; /* examined bytes per scan pass */
680 682 uint64_t pss_pass_start; /* start time of a scan pass */
681 683 } pool_scan_stat_t;
682 684
683 685 typedef enum dsl_scan_state {
684 686 DSS_NONE,
685 687 DSS_SCANNING,
686 688 DSS_FINISHED,
687 689 DSS_CANCELED,
688 690 DSS_NUM_STATES
689 691 } dsl_scan_state_t;
690 692
691 693
692 694 /*
693 695 * Vdev statistics. Note: all fields should be 64-bit because this
694 696 * is passed between kernel and userland as an nvlist uint64 array.
695 697 */
696 698 typedef struct vdev_stat {
697 699 hrtime_t vs_timestamp; /* time since vdev load */
698 700 uint64_t vs_state; /* vdev state */
699 701 uint64_t vs_aux; /* see vdev_aux_t */
700 702 uint64_t vs_alloc; /* space allocated */
701 703 uint64_t vs_space; /* total capacity */
702 704 uint64_t vs_dspace; /* deflated capacity */
703 705 uint64_t vs_rsize; /* replaceable dev size */
704 706 uint64_t vs_esize; /* expandable dev size */
705 707 uint64_t vs_ops[ZIO_TYPES]; /* operation count */
706 708 uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */
707 709 uint64_t vs_read_errors; /* read errors */
708 710 uint64_t vs_write_errors; /* write errors */
709 711 uint64_t vs_checksum_errors; /* checksum errors */
710 712 uint64_t vs_self_healed; /* self-healed bytes */
711 713 uint64_t vs_scan_removing; /* removing? */
712 714 uint64_t vs_scan_processed; /* scan processed bytes */
713 715 } vdev_stat_t;
714 716
715 717 /*
716 718 * DDT statistics. Note: all fields should be 64-bit because this
717 719 * is passed between kernel and userland as an nvlist uint64 array.
718 720 */
719 721 typedef struct ddt_object {
720 722 uint64_t ddo_count; /* number of elments in ddt */
721 723 uint64_t ddo_dspace; /* size of ddt on disk */
722 724 uint64_t ddo_mspace; /* size of ddt in-core */
723 725 } ddt_object_t;
724 726
725 727 typedef struct ddt_stat {
726 728 uint64_t dds_blocks; /* blocks */
727 729 uint64_t dds_lsize; /* logical size */
728 730 uint64_t dds_psize; /* physical size */
729 731 uint64_t dds_dsize; /* deflated allocated size */
730 732 uint64_t dds_ref_blocks; /* referenced blocks */
731 733 uint64_t dds_ref_lsize; /* referenced lsize * refcnt */
732 734 uint64_t dds_ref_psize; /* referenced psize * refcnt */
733 735 uint64_t dds_ref_dsize; /* referenced dsize * refcnt */
734 736 } ddt_stat_t;
735 737
736 738 typedef struct ddt_histogram {
737 739 ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */
738 740 } ddt_histogram_t;
739 741
740 742 #define ZVOL_DRIVER "zvol"
741 743 #define ZFS_DRIVER "zfs"
742 744 #define ZFS_DEV "/dev/zfs"
743 745
744 746 /* general zvol path */
745 747 #define ZVOL_DIR "/dev/zvol"
746 748 /* expansion */
747 749 #define ZVOL_PSEUDO_DEV "/devices/pseudo/zfs@0:"
748 750 /* for dump and swap */
749 751 #define ZVOL_FULL_DEV_DIR ZVOL_DIR "/dsk/"
750 752 #define ZVOL_FULL_RDEV_DIR ZVOL_DIR "/rdsk/"
751 753
752 754 #define ZVOL_PROP_NAME "name"
753 755 #define ZVOL_DEFAULT_BLOCKSIZE 8192
754 756
755 757 /*
756 758 * /dev/zfs ioctl numbers.
757 759 */
758 760 typedef enum zfs_ioc {
759 761 ZFS_IOC_FIRST = ('Z' << 8),
760 762 ZFS_IOC = ZFS_IOC_FIRST,
761 763 ZFS_IOC_POOL_CREATE = ZFS_IOC_FIRST,
762 764 ZFS_IOC_POOL_DESTROY,
763 765 ZFS_IOC_POOL_IMPORT,
764 766 ZFS_IOC_POOL_EXPORT,
765 767 ZFS_IOC_POOL_CONFIGS,
766 768 ZFS_IOC_POOL_STATS,
767 769 ZFS_IOC_POOL_TRYIMPORT,
768 770 ZFS_IOC_POOL_SCAN,
769 771 ZFS_IOC_POOL_FREEZE,
770 772 ZFS_IOC_POOL_UPGRADE,
771 773 ZFS_IOC_POOL_GET_HISTORY,
772 774 ZFS_IOC_VDEV_ADD,
773 775 ZFS_IOC_VDEV_REMOVE,
774 776 ZFS_IOC_VDEV_SET_STATE,
775 777 ZFS_IOC_VDEV_ATTACH,
776 778 ZFS_IOC_VDEV_DETACH,
777 779 ZFS_IOC_VDEV_SETPATH,
778 780 ZFS_IOC_VDEV_SETFRU,
779 781 ZFS_IOC_OBJSET_STATS,
780 782 ZFS_IOC_OBJSET_ZPLPROPS,
781 783 ZFS_IOC_DATASET_LIST_NEXT,
782 784 ZFS_IOC_SNAPSHOT_LIST_NEXT,
783 785 ZFS_IOC_SET_PROP,
784 786 ZFS_IOC_CREATE,
785 787 ZFS_IOC_DESTROY,
786 788 ZFS_IOC_ROLLBACK,
787 789 ZFS_IOC_RENAME,
788 790 ZFS_IOC_RECV,
789 791 ZFS_IOC_SEND,
790 792 ZFS_IOC_INJECT_FAULT,
791 793 ZFS_IOC_CLEAR_FAULT,
792 794 ZFS_IOC_INJECT_LIST_NEXT,
793 795 ZFS_IOC_ERROR_LOG,
794 796 ZFS_IOC_CLEAR,
795 797 ZFS_IOC_PROMOTE,
796 798 ZFS_IOC_SNAPSHOT,
797 799 ZFS_IOC_DSOBJ_TO_DSNAME,
798 800 ZFS_IOC_OBJ_TO_PATH,
799 801 ZFS_IOC_POOL_SET_PROPS,
800 802 ZFS_IOC_POOL_GET_PROPS,
801 803 ZFS_IOC_SET_FSACL,
802 804 ZFS_IOC_GET_FSACL,
803 805 ZFS_IOC_SHARE,
804 806 ZFS_IOC_INHERIT_PROP,
805 807 ZFS_IOC_SMB_ACL,
806 808 ZFS_IOC_USERSPACE_ONE,
807 809 ZFS_IOC_USERSPACE_MANY,
808 810 ZFS_IOC_USERSPACE_UPGRADE,
809 811 ZFS_IOC_HOLD,
810 812 ZFS_IOC_RELEASE,
811 813 ZFS_IOC_GET_HOLDS,
812 814 ZFS_IOC_OBJSET_RECVD_PROPS,
813 815 ZFS_IOC_VDEV_SPLIT,
814 816 ZFS_IOC_NEXT_OBJ,
815 817 ZFS_IOC_DIFF,
816 818 ZFS_IOC_TMP_SNAPSHOT,
817 819 ZFS_IOC_OBJ_TO_STATS,
818 820 ZFS_IOC_SPACE_WRITTEN,
819 821 ZFS_IOC_SPACE_SNAPS,
820 822 ZFS_IOC_DESTROY_SNAPS,
821 823 ZFS_IOC_POOL_REGUID,
822 824 ZFS_IOC_POOL_REOPEN,
823 825 ZFS_IOC_SEND_PROGRESS,
824 826 ZFS_IOC_LOG_HISTORY,
825 827 ZFS_IOC_SEND_NEW,
826 828 ZFS_IOC_SEND_SPACE,
827 829 ZFS_IOC_CLONE,
828 830 ZFS_IOC_LAST
829 831 } zfs_ioc_t;
830 832
831 833 /*
832 834 * Internal SPA load state. Used by FMA diagnosis engine.
833 835 */
834 836 typedef enum {
835 837 SPA_LOAD_NONE, /* no load in progress */
836 838 SPA_LOAD_OPEN, /* normal open */
837 839 SPA_LOAD_IMPORT, /* import in progress */
838 840 SPA_LOAD_TRYIMPORT, /* tryimport in progress */
839 841 SPA_LOAD_RECOVER, /* recovery requested */
840 842 SPA_LOAD_ERROR /* load failed */
841 843 } spa_load_state_t;
842 844
843 845 /*
844 846 * Bookmark name values.
845 847 */
846 848 #define ZPOOL_ERR_LIST "error list"
847 849 #define ZPOOL_ERR_DATASET "dataset"
848 850 #define ZPOOL_ERR_OBJECT "object"
849 851
850 852 #define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1)
851 853
852 854 /*
853 855 * The following are names used in the nvlist describing
854 856 * the pool's history log.
855 857 */
856 858 #define ZPOOL_HIST_RECORD "history record"
857 859 #define ZPOOL_HIST_TIME "history time"
858 860 #define ZPOOL_HIST_CMD "history command"
859 861 #define ZPOOL_HIST_WHO "history who"
860 862 #define ZPOOL_HIST_ZONE "history zone"
861 863 #define ZPOOL_HIST_HOST "history hostname"
862 864 #define ZPOOL_HIST_TXG "history txg"
863 865 #define ZPOOL_HIST_INT_EVENT "history internal event"
864 866 #define ZPOOL_HIST_INT_STR "history internal str"
865 867 #define ZPOOL_HIST_INT_NAME "internal_name"
866 868 #define ZPOOL_HIST_IOCTL "ioctl"
867 869 #define ZPOOL_HIST_INPUT_NVL "in_nvl"
868 870 #define ZPOOL_HIST_OUTPUT_NVL "out_nvl"
869 871 #define ZPOOL_HIST_DSNAME "dsname"
870 872 #define ZPOOL_HIST_DSID "dsid"
871 873
872 874 /*
873 875 * Flags for ZFS_IOC_VDEV_SET_STATE
874 876 */
875 877 #define ZFS_ONLINE_CHECKREMOVE 0x1
876 878 #define ZFS_ONLINE_UNSPARE 0x2
877 879 #define ZFS_ONLINE_FORCEFAULT 0x4
878 880 #define ZFS_ONLINE_EXPAND 0x8
879 881 #define ZFS_OFFLINE_TEMPORARY 0x1
880 882
881 883 /*
882 884 * Flags for ZFS_IOC_POOL_IMPORT
883 885 */
884 886 #define ZFS_IMPORT_NORMAL 0x0
885 887 #define ZFS_IMPORT_VERBATIM 0x1
886 888 #define ZFS_IMPORT_ANY_HOST 0x2
887 889 #define ZFS_IMPORT_MISSING_LOG 0x4
888 890 #define ZFS_IMPORT_ONLY 0x8
889 891
890 892 /*
891 893 * Sysevent payload members. ZFS will generate the following sysevents with the
892 894 * given payloads:
893 895 *
894 896 * ESC_ZFS_RESILVER_START
895 897 * ESC_ZFS_RESILVER_END
896 898 * ESC_ZFS_POOL_DESTROY
897 899 * ESC_ZFS_POOL_REGUID
898 900 *
899 901 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
900 902 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
901 903 *
902 904 * ESC_ZFS_VDEV_REMOVE
903 905 * ESC_ZFS_VDEV_CLEAR
904 906 * ESC_ZFS_VDEV_CHECK
905 907 *
906 908 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
907 909 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
908 910 * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional)
909 911 * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64
910 912 */
911 913 #define ZFS_EV_POOL_NAME "pool_name"
912 914 #define ZFS_EV_POOL_GUID "pool_guid"
913 915 #define ZFS_EV_VDEV_PATH "vdev_path"
914 916 #define ZFS_EV_VDEV_GUID "vdev_guid"
915 917
916 918 #ifdef __cplusplus
917 919 }
918 920 #endif
919 921
920 922 #endif /* _SYS_FS_ZFS_H */
|
↓ open down ↓ |
770 lines elided |
↑ open up ↑ |
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX