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2619 asynchronous destruction of ZFS file systems
2747 SPA versioning with zfs feature flags
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: George Wilson <gwilson@delphix.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Dan Kruchinin <dan.kruchinin@gmail.com>
Approved by: Dan McDonald <danmcd@nexenta.com>
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--- 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 #define ZFS_TYPE_DATASET \
56 56 (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT)
57 57
58 58 #define ZAP_MAXNAMELEN 256
59 59 #define ZAP_MAXVALUELEN (1024 * 8)
60 60 #define ZAP_OLDMAXVALUELEN 1024
61 61
62 62 /*
63 63 * Dataset properties are identified by these constants and must be added to
64 64 * the end of this list to ensure that external consumers are not affected
65 65 * by the change. If you make any changes to this list, be sure to update
66 66 * the property table in usr/src/common/zfs/zfs_prop.c.
67 67 */
68 68 typedef enum {
69 69 ZFS_PROP_TYPE,
70 70 ZFS_PROP_CREATION,
71 71 ZFS_PROP_USED,
72 72 ZFS_PROP_AVAILABLE,
73 73 ZFS_PROP_REFERENCED,
74 74 ZFS_PROP_COMPRESSRATIO,
75 75 ZFS_PROP_MOUNTED,
76 76 ZFS_PROP_ORIGIN,
77 77 ZFS_PROP_QUOTA,
78 78 ZFS_PROP_RESERVATION,
79 79 ZFS_PROP_VOLSIZE,
80 80 ZFS_PROP_VOLBLOCKSIZE,
81 81 ZFS_PROP_RECORDSIZE,
82 82 ZFS_PROP_MOUNTPOINT,
83 83 ZFS_PROP_SHARENFS,
84 84 ZFS_PROP_CHECKSUM,
85 85 ZFS_PROP_COMPRESSION,
86 86 ZFS_PROP_ATIME,
87 87 ZFS_PROP_DEVICES,
88 88 ZFS_PROP_EXEC,
89 89 ZFS_PROP_SETUID,
90 90 ZFS_PROP_READONLY,
91 91 ZFS_PROP_ZONED,
92 92 ZFS_PROP_SNAPDIR,
93 93 ZFS_PROP_ACLMODE,
94 94 ZFS_PROP_ACLINHERIT,
95 95 ZFS_PROP_CREATETXG, /* not exposed to the user */
96 96 ZFS_PROP_NAME, /* not exposed to the user */
97 97 ZFS_PROP_CANMOUNT,
98 98 ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */
99 99 ZFS_PROP_XATTR,
100 100 ZFS_PROP_NUMCLONES, /* not exposed to the user */
101 101 ZFS_PROP_COPIES,
102 102 ZFS_PROP_VERSION,
103 103 ZFS_PROP_UTF8ONLY,
104 104 ZFS_PROP_NORMALIZE,
105 105 ZFS_PROP_CASE,
106 106 ZFS_PROP_VSCAN,
107 107 ZFS_PROP_NBMAND,
108 108 ZFS_PROP_SHARESMB,
109 109 ZFS_PROP_REFQUOTA,
110 110 ZFS_PROP_REFRESERVATION,
111 111 ZFS_PROP_GUID,
112 112 ZFS_PROP_PRIMARYCACHE,
113 113 ZFS_PROP_SECONDARYCACHE,
114 114 ZFS_PROP_USEDSNAP,
115 115 ZFS_PROP_USEDDS,
116 116 ZFS_PROP_USEDCHILD,
117 117 ZFS_PROP_USEDREFRESERV,
118 118 ZFS_PROP_USERACCOUNTING, /* not exposed to the user */
119 119 ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */
120 120 ZFS_PROP_DEFER_DESTROY,
121 121 ZFS_PROP_USERREFS,
122 122 ZFS_PROP_LOGBIAS,
123 123 ZFS_PROP_UNIQUE, /* not exposed to the user */
124 124 ZFS_PROP_OBJSETID, /* not exposed to the user */
125 125 ZFS_PROP_DEDUP,
126 126 ZFS_PROP_MLSLABEL,
127 127 ZFS_PROP_SYNC,
128 128 ZFS_PROP_REFRATIO,
129 129 ZFS_PROP_WRITTEN,
130 130 ZFS_PROP_CLONES,
131 131 ZFS_NUM_PROPS
132 132 } zfs_prop_t;
133 133
134 134 typedef enum {
135 135 ZFS_PROP_USERUSED,
136 136 ZFS_PROP_USERQUOTA,
137 137 ZFS_PROP_GROUPUSED,
138 138 ZFS_PROP_GROUPQUOTA,
139 139 ZFS_NUM_USERQUOTA_PROPS
140 140 } zfs_userquota_prop_t;
141 141
142 142 extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS];
143 143
144 144 /*
145 145 * Pool properties are identified by these constants and must be added to the
146 146 * end of this list to ensure that external consumers are not affected
147 147 * by the change. If you make any changes to this list, be sure to update
148 148 * the property table in usr/src/common/zfs/zpool_prop.c.
149 149 */
150 150 typedef enum {
151 151 ZPOOL_PROP_NAME,
152 152 ZPOOL_PROP_SIZE,
153 153 ZPOOL_PROP_CAPACITY,
154 154 ZPOOL_PROP_ALTROOT,
155 155 ZPOOL_PROP_HEALTH,
156 156 ZPOOL_PROP_GUID,
157 157 ZPOOL_PROP_VERSION,
158 158 ZPOOL_PROP_BOOTFS,
159 159 ZPOOL_PROP_DELEGATION,
160 160 ZPOOL_PROP_AUTOREPLACE,
161 161 ZPOOL_PROP_CACHEFILE,
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162 162 ZPOOL_PROP_FAILUREMODE,
163 163 ZPOOL_PROP_LISTSNAPS,
164 164 ZPOOL_PROP_AUTOEXPAND,
165 165 ZPOOL_PROP_DEDUPDITTO,
166 166 ZPOOL_PROP_DEDUPRATIO,
167 167 ZPOOL_PROP_FREE,
168 168 ZPOOL_PROP_ALLOCATED,
169 169 ZPOOL_PROP_READONLY,
170 170 ZPOOL_PROP_COMMENT,
171 171 ZPOOL_PROP_EXPANDSZ,
172 + ZPOOL_PROP_FREEING,
172 173 ZPOOL_NUM_PROPS
173 174 } zpool_prop_t;
174 175
175 176 /* Small enough to not hog a whole line of printout in zpool(1M). */
176 177 #define ZPROP_MAX_COMMENT 32
177 178
178 179 #define ZPROP_CONT -2
179 180 #define ZPROP_INVAL -1
180 181
181 182 #define ZPROP_VALUE "value"
182 183 #define ZPROP_SOURCE "source"
183 184
184 185 typedef enum {
185 186 ZPROP_SRC_NONE = 0x1,
186 187 ZPROP_SRC_DEFAULT = 0x2,
187 188 ZPROP_SRC_TEMPORARY = 0x4,
188 189 ZPROP_SRC_LOCAL = 0x8,
189 190 ZPROP_SRC_INHERITED = 0x10,
190 191 ZPROP_SRC_RECEIVED = 0x20
191 192 } zprop_source_t;
192 193
193 194 #define ZPROP_SRC_ALL 0x3f
194 195
195 196 #define ZPROP_SOURCE_VAL_RECVD "$recvd"
196 197 #define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS"
197 198 /*
198 199 * Dataset flag implemented as a special entry in the props zap object
199 200 * indicating that the dataset has received properties on or after
200 201 * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties
201 202 * just as it did in earlier versions, and thereafter, local properties are
202 203 * preserved.
203 204 */
204 205 #define ZPROP_HAS_RECVD "$hasrecvd"
205 206
206 207 typedef enum {
207 208 ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */
208 209 ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */
209 210 } zprop_errflags_t;
210 211
211 212 typedef int (*zprop_func)(int, void *);
212 213
213 214 /*
214 215 * Properties to be set on the root file system of a new pool
215 216 * are stuffed into their own nvlist, which is then included in
216 217 * the properties nvlist with the pool properties.
217 218 */
218 219 #define ZPOOL_ROOTFS_PROPS "root-props-nvl"
219 220
220 221 /*
221 222 * Dataset property functions shared between libzfs and kernel.
222 223 */
223 224 const char *zfs_prop_default_string(zfs_prop_t);
224 225 uint64_t zfs_prop_default_numeric(zfs_prop_t);
225 226 boolean_t zfs_prop_readonly(zfs_prop_t);
226 227 boolean_t zfs_prop_inheritable(zfs_prop_t);
227 228 boolean_t zfs_prop_setonce(zfs_prop_t);
228 229 const char *zfs_prop_to_name(zfs_prop_t);
229 230 zfs_prop_t zfs_name_to_prop(const char *);
230 231 boolean_t zfs_prop_user(const char *);
231 232 boolean_t zfs_prop_userquota(const char *);
232 233 boolean_t zfs_prop_written(const char *);
233 234 int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
234 235 int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *);
235 236 uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed);
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236 237 boolean_t zfs_prop_valid_for_type(int, zfs_type_t);
237 238
238 239 /*
239 240 * Pool property functions shared between libzfs and kernel.
240 241 */
241 242 zpool_prop_t zpool_name_to_prop(const char *);
242 243 const char *zpool_prop_to_name(zpool_prop_t);
243 244 const char *zpool_prop_default_string(zpool_prop_t);
244 245 uint64_t zpool_prop_default_numeric(zpool_prop_t);
245 246 boolean_t zpool_prop_readonly(zpool_prop_t);
247 +boolean_t zpool_prop_feature(const char *);
248 +boolean_t zpool_prop_unsupported(const char *name);
246 249 int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **);
247 250 int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *);
248 251 uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed);
249 252
250 253 /*
251 254 * Definitions for the Delegation.
252 255 */
253 256 typedef enum {
254 257 ZFS_DELEG_WHO_UNKNOWN = 0,
255 258 ZFS_DELEG_USER = 'u',
256 259 ZFS_DELEG_USER_SETS = 'U',
257 260 ZFS_DELEG_GROUP = 'g',
258 261 ZFS_DELEG_GROUP_SETS = 'G',
259 262 ZFS_DELEG_EVERYONE = 'e',
260 263 ZFS_DELEG_EVERYONE_SETS = 'E',
261 264 ZFS_DELEG_CREATE = 'c',
262 265 ZFS_DELEG_CREATE_SETS = 'C',
263 266 ZFS_DELEG_NAMED_SET = 's',
264 267 ZFS_DELEG_NAMED_SET_SETS = 'S'
265 268 } zfs_deleg_who_type_t;
266 269
267 270 typedef enum {
268 271 ZFS_DELEG_NONE = 0,
269 272 ZFS_DELEG_PERM_LOCAL = 1,
270 273 ZFS_DELEG_PERM_DESCENDENT = 2,
271 274 ZFS_DELEG_PERM_LOCALDESCENDENT = 3,
272 275 ZFS_DELEG_PERM_CREATE = 4
273 276 } zfs_deleg_inherit_t;
274 277
275 278 #define ZFS_DELEG_PERM_UID "uid"
276 279 #define ZFS_DELEG_PERM_GID "gid"
277 280 #define ZFS_DELEG_PERM_GROUPS "groups"
278 281
279 282 #define ZFS_MLSLABEL_DEFAULT "none"
280 283
281 284 #define ZFS_SMB_ACL_SRC "src"
282 285 #define ZFS_SMB_ACL_TARGET "target"
283 286
284 287 typedef enum {
285 288 ZFS_CANMOUNT_OFF = 0,
286 289 ZFS_CANMOUNT_ON = 1,
287 290 ZFS_CANMOUNT_NOAUTO = 2
288 291 } zfs_canmount_type_t;
289 292
290 293 typedef enum {
291 294 ZFS_LOGBIAS_LATENCY = 0,
292 295 ZFS_LOGBIAS_THROUGHPUT = 1
293 296 } zfs_logbias_op_t;
294 297
295 298 typedef enum zfs_share_op {
296 299 ZFS_SHARE_NFS = 0,
297 300 ZFS_UNSHARE_NFS = 1,
298 301 ZFS_SHARE_SMB = 2,
299 302 ZFS_UNSHARE_SMB = 3
300 303 } zfs_share_op_t;
301 304
302 305 typedef enum zfs_smb_acl_op {
303 306 ZFS_SMB_ACL_ADD,
304 307 ZFS_SMB_ACL_REMOVE,
305 308 ZFS_SMB_ACL_RENAME,
306 309 ZFS_SMB_ACL_PURGE
307 310 } zfs_smb_acl_op_t;
308 311
309 312 typedef enum zfs_cache_type {
310 313 ZFS_CACHE_NONE = 0,
311 314 ZFS_CACHE_METADATA = 1,
312 315 ZFS_CACHE_ALL = 2
313 316 } zfs_cache_type_t;
314 317
315 318 typedef enum {
316 319 ZFS_SYNC_STANDARD = 0,
317 320 ZFS_SYNC_ALWAYS = 1,
318 321 ZFS_SYNC_DISABLED = 2
319 322 } zfs_sync_type_t;
320 323
321 324
322 325 /*
323 326 * On-disk version number.
324 327 */
325 328 #define SPA_VERSION_1 1ULL
326 329 #define SPA_VERSION_2 2ULL
327 330 #define SPA_VERSION_3 3ULL
328 331 #define SPA_VERSION_4 4ULL
329 332 #define SPA_VERSION_5 5ULL
330 333 #define SPA_VERSION_6 6ULL
331 334 #define SPA_VERSION_7 7ULL
332 335 #define SPA_VERSION_8 8ULL
333 336 #define SPA_VERSION_9 9ULL
334 337 #define SPA_VERSION_10 10ULL
335 338 #define SPA_VERSION_11 11ULL
336 339 #define SPA_VERSION_12 12ULL
337 340 #define SPA_VERSION_13 13ULL
338 341 #define SPA_VERSION_14 14ULL
339 342 #define SPA_VERSION_15 15ULL
340 343 #define SPA_VERSION_16 16ULL
341 344 #define SPA_VERSION_17 17ULL
342 345 #define SPA_VERSION_18 18ULL
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343 346 #define SPA_VERSION_19 19ULL
344 347 #define SPA_VERSION_20 20ULL
345 348 #define SPA_VERSION_21 21ULL
346 349 #define SPA_VERSION_22 22ULL
347 350 #define SPA_VERSION_23 23ULL
348 351 #define SPA_VERSION_24 24ULL
349 352 #define SPA_VERSION_25 25ULL
350 353 #define SPA_VERSION_26 26ULL
351 354 #define SPA_VERSION_27 27ULL
352 355 #define SPA_VERSION_28 28ULL
356 +#define SPA_VERSION_5000 5000ULL
353 357
354 358 /*
355 359 * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk
356 360 * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*},
357 361 * and do the appropriate changes. Also bump the version number in
358 362 * usr/src/grub/capability.
359 363 */
360 -#define SPA_VERSION SPA_VERSION_28
361 -#define SPA_VERSION_STRING "28"
364 +#define SPA_VERSION SPA_VERSION_5000
365 +#define SPA_VERSION_STRING "5000"
362 366
363 367 /*
364 368 * Symbolic names for the changes that caused a SPA_VERSION switch.
365 369 * Used in the code when checking for presence or absence of a feature.
366 370 * Feel free to define multiple symbolic names for each version if there
367 371 * were multiple changes to on-disk structures during that version.
368 372 *
369 373 * NOTE: When checking the current SPA_VERSION in your code, be sure
370 374 * to use spa_version() since it reports the version of the
371 375 * last synced uberblock. Checking the in-flight version can
372 376 * be dangerous in some cases.
373 377 */
374 378 #define SPA_VERSION_INITIAL SPA_VERSION_1
375 379 #define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2
376 380 #define SPA_VERSION_SPARES SPA_VERSION_3
377 381 #define SPA_VERSION_RAIDZ2 SPA_VERSION_3
378 382 #define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3
379 383 #define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3
380 384 #define SPA_VERSION_DNODE_BYTES SPA_VERSION_3
381 385 #define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4
382 386 #define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5
383 387 #define SPA_VERSION_BOOTFS SPA_VERSION_6
384 388 #define SPA_VERSION_SLOGS SPA_VERSION_7
385 389 #define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8
386 390 #define SPA_VERSION_FUID SPA_VERSION_9
387 391 #define SPA_VERSION_REFRESERVATION SPA_VERSION_9
388 392 #define SPA_VERSION_REFQUOTA SPA_VERSION_9
389 393 #define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9
390 394 #define SPA_VERSION_L2CACHE SPA_VERSION_10
391 395 #define SPA_VERSION_NEXT_CLONES SPA_VERSION_11
392 396 #define SPA_VERSION_ORIGIN SPA_VERSION_11
393 397 #define SPA_VERSION_DSL_SCRUB SPA_VERSION_11
394 398 #define SPA_VERSION_SNAP_PROPS SPA_VERSION_12
395 399 #define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13
396 400 #define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14
397 401 #define SPA_VERSION_USERSPACE SPA_VERSION_15
398 402 #define SPA_VERSION_STMF_PROP SPA_VERSION_16
399 403 #define SPA_VERSION_RAIDZ3 SPA_VERSION_17
400 404 #define SPA_VERSION_USERREFS SPA_VERSION_18
401 405 #define SPA_VERSION_HOLES SPA_VERSION_19
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402 406 #define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20
403 407 #define SPA_VERSION_DEDUP SPA_VERSION_21
404 408 #define SPA_VERSION_RECVD_PROPS SPA_VERSION_22
405 409 #define SPA_VERSION_SLIM_ZIL SPA_VERSION_23
406 410 #define SPA_VERSION_SA SPA_VERSION_24
407 411 #define SPA_VERSION_SCAN SPA_VERSION_25
408 412 #define SPA_VERSION_DIR_CLONES SPA_VERSION_26
409 413 #define SPA_VERSION_DEADLISTS SPA_VERSION_26
410 414 #define SPA_VERSION_FAST_SNAP SPA_VERSION_27
411 415 #define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28
416 +#define SPA_VERSION_BEFORE_FEATURES SPA_VERSION_28
417 +#define SPA_VERSION_FEATURES SPA_VERSION_5000
412 418
419 +#define SPA_VERSION_IS_SUPPORTED(v) \
420 + (((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \
421 + ((v) >= SPA_VERSION_FEATURES && (v) <= SPA_VERSION))
422 +
413 423 /*
414 424 * ZPL version - rev'd whenever an incompatible on-disk format change
415 425 * occurs. This is independent of SPA/DMU/ZAP versioning. You must
416 426 * also update the version_table[] and help message in zfs_prop.c.
417 427 *
418 428 * When changing, be sure to teach GRUB how to read the new format!
419 429 * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*}
420 430 */
421 431 #define ZPL_VERSION_1 1ULL
422 432 #define ZPL_VERSION_2 2ULL
423 433 #define ZPL_VERSION_3 3ULL
424 434 #define ZPL_VERSION_4 4ULL
425 435 #define ZPL_VERSION_5 5ULL
426 436 #define ZPL_VERSION ZPL_VERSION_5
427 437 #define ZPL_VERSION_STRING "5"
428 438
429 439 #define ZPL_VERSION_INITIAL ZPL_VERSION_1
430 440 #define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2
431 441 #define ZPL_VERSION_FUID ZPL_VERSION_3
432 442 #define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3
433 443 #define ZPL_VERSION_SYSATTR ZPL_VERSION_3
434 444 #define ZPL_VERSION_USERSPACE ZPL_VERSION_4
435 445 #define ZPL_VERSION_SA ZPL_VERSION_5
436 446
437 447 /* Rewind request information */
438 448 #define ZPOOL_NO_REWIND 1 /* No policy - default behavior */
439 449 #define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */
440 450 #define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */
441 451 #define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */
442 452 #define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */
443 453 #define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */
444 454 #define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */
445 455
446 456 typedef struct zpool_rewind_policy {
447 457 uint32_t zrp_request; /* rewind behavior requested */
448 458 uint64_t zrp_maxmeta; /* max acceptable meta-data errors */
449 459 uint64_t zrp_maxdata; /* max acceptable data errors */
450 460 uint64_t zrp_txg; /* specific txg to load */
451 461 } zpool_rewind_policy_t;
452 462
453 463 /*
454 464 * The following are configuration names used in the nvlist describing a pool's
455 465 * configuration.
456 466 */
457 467 #define ZPOOL_CONFIG_VERSION "version"
458 468 #define ZPOOL_CONFIG_POOL_NAME "name"
459 469 #define ZPOOL_CONFIG_POOL_STATE "state"
460 470 #define ZPOOL_CONFIG_POOL_TXG "txg"
461 471 #define ZPOOL_CONFIG_POOL_GUID "pool_guid"
462 472 #define ZPOOL_CONFIG_CREATE_TXG "create_txg"
463 473 #define ZPOOL_CONFIG_TOP_GUID "top_guid"
464 474 #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree"
465 475 #define ZPOOL_CONFIG_TYPE "type"
466 476 #define ZPOOL_CONFIG_CHILDREN "children"
467 477 #define ZPOOL_CONFIG_ID "id"
468 478 #define ZPOOL_CONFIG_GUID "guid"
469 479 #define ZPOOL_CONFIG_PATH "path"
470 480 #define ZPOOL_CONFIG_DEVID "devid"
471 481 #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array"
472 482 #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift"
473 483 #define ZPOOL_CONFIG_ASHIFT "ashift"
474 484 #define ZPOOL_CONFIG_ASIZE "asize"
475 485 #define ZPOOL_CONFIG_DTL "DTL"
476 486 #define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */
477 487 #define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */
478 488 #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk"
479 489 #define ZPOOL_CONFIG_ERRCOUNT "error_count"
480 490 #define ZPOOL_CONFIG_NOT_PRESENT "not_present"
481 491 #define ZPOOL_CONFIG_SPARES "spares"
482 492 #define ZPOOL_CONFIG_IS_SPARE "is_spare"
483 493 #define ZPOOL_CONFIG_NPARITY "nparity"
484 494 #define ZPOOL_CONFIG_HOSTID "hostid"
485 495 #define ZPOOL_CONFIG_HOSTNAME "hostname"
486 496 #define ZPOOL_CONFIG_LOADED_TIME "initial_load_time"
487 497 #define ZPOOL_CONFIG_UNSPARE "unspare"
488 498 #define ZPOOL_CONFIG_PHYS_PATH "phys_path"
489 499 #define ZPOOL_CONFIG_IS_LOG "is_log"
490 500 #define ZPOOL_CONFIG_L2CACHE "l2cache"
491 501 #define ZPOOL_CONFIG_HOLE_ARRAY "hole_array"
492 502 #define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children"
493 503 #define ZPOOL_CONFIG_IS_HOLE "is_hole"
494 504 #define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram"
495 505 #define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats"
496 506 #define ZPOOL_CONFIG_DDT_STATS "ddt_stats"
497 507 #define ZPOOL_CONFIG_SPLIT "splitcfg"
498 508 #define ZPOOL_CONFIG_ORIG_GUID "orig_guid"
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499 509 #define ZPOOL_CONFIG_SPLIT_GUID "split_guid"
500 510 #define ZPOOL_CONFIG_SPLIT_LIST "guid_list"
501 511 #define ZPOOL_CONFIG_REMOVING "removing"
502 512 #define ZPOOL_CONFIG_RESILVERING "resilvering"
503 513 #define ZPOOL_CONFIG_COMMENT "comment"
504 514 #define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */
505 515 #define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */
506 516 #define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */
507 517 #define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */
508 518 #define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */
519 +#define ZPOOL_CONFIG_REWIND_INFO "rewind_info" /* not stored on disk */
520 +#define ZPOOL_CONFIG_UNSUP_FEAT "unsup_feat" /* not stored on disk */
521 +#define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */
522 +#define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read"
523 +#define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */
509 524 /*
510 525 * The persistent vdev state is stored as separate values rather than a single
511 526 * 'vdev_state' entry. This is because a device can be in multiple states, such
512 527 * as offline and degraded.
513 528 */
514 529 #define ZPOOL_CONFIG_OFFLINE "offline"
515 530 #define ZPOOL_CONFIG_FAULTED "faulted"
516 531 #define ZPOOL_CONFIG_DEGRADED "degraded"
517 532 #define ZPOOL_CONFIG_REMOVED "removed"
518 533 #define ZPOOL_CONFIG_FRU "fru"
519 534 #define ZPOOL_CONFIG_AUX_STATE "aux_state"
520 535
521 536 /* Rewind policy parameters */
522 537 #define ZPOOL_REWIND_POLICY "rewind-policy"
523 538 #define ZPOOL_REWIND_REQUEST "rewind-request"
524 539 #define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg"
525 540 #define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh"
526 541 #define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh"
527 542
528 543 /* Rewind data discovered */
529 544 #define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts"
530 545 #define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors"
531 546 #define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind"
532 547
533 548 #define VDEV_TYPE_ROOT "root"
534 549 #define VDEV_TYPE_MIRROR "mirror"
535 550 #define VDEV_TYPE_REPLACING "replacing"
536 551 #define VDEV_TYPE_RAIDZ "raidz"
537 552 #define VDEV_TYPE_DISK "disk"
538 553 #define VDEV_TYPE_FILE "file"
539 554 #define VDEV_TYPE_MISSING "missing"
540 555 #define VDEV_TYPE_HOLE "hole"
541 556 #define VDEV_TYPE_SPARE "spare"
542 557 #define VDEV_TYPE_LOG "log"
543 558 #define VDEV_TYPE_L2CACHE "l2cache"
544 559
545 560 /*
546 561 * This is needed in userland to report the minimum necessary device size.
547 562 */
548 563 #define SPA_MINDEVSIZE (64ULL << 20)
549 564
550 565 /*
551 566 * The location of the pool configuration repository, shared between kernel and
552 567 * userland.
553 568 */
554 569 #define ZPOOL_CACHE "/etc/zfs/zpool.cache"
555 570
556 571 /*
557 572 * vdev states are ordered from least to most healthy.
558 573 * A vdev that's CANT_OPEN or below is considered unusable.
559 574 */
560 575 typedef enum vdev_state {
561 576 VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */
562 577 VDEV_STATE_CLOSED, /* Not currently open */
563 578 VDEV_STATE_OFFLINE, /* Not allowed to open */
564 579 VDEV_STATE_REMOVED, /* Explicitly removed from system */
565 580 VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */
566 581 VDEV_STATE_FAULTED, /* External request to fault device */
567 582 VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */
568 583 VDEV_STATE_HEALTHY /* Presumed good */
569 584 } vdev_state_t;
570 585
571 586 #define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY
572 587
573 588 /*
574 589 * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field
575 590 * of the vdev stats structure uses these constants to distinguish why.
576 591 */
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577 592 typedef enum vdev_aux {
578 593 VDEV_AUX_NONE, /* no error */
579 594 VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */
580 595 VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */
581 596 VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */
582 597 VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */
583 598 VDEV_AUX_TOO_SMALL, /* vdev size is too small */
584 599 VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */
585 600 VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */
586 601 VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */
602 + VDEV_AUX_UNSUP_FEAT, /* unsupported features */
587 603 VDEV_AUX_SPARED, /* hot spare used in another pool */
588 604 VDEV_AUX_ERR_EXCEEDED, /* too many errors */
589 605 VDEV_AUX_IO_FAILURE, /* experienced I/O failure */
590 606 VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */
591 607 VDEV_AUX_EXTERNAL, /* external diagnosis */
592 608 VDEV_AUX_SPLIT_POOL /* vdev was split off into another pool */
593 609 } vdev_aux_t;
594 610
595 611 /*
596 612 * pool state. The following states are written to disk as part of the normal
597 613 * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining
598 614 * states are software abstractions used at various levels to communicate
599 615 * pool state.
600 616 */
601 617 typedef enum pool_state {
602 618 POOL_STATE_ACTIVE = 0, /* In active use */
603 619 POOL_STATE_EXPORTED, /* Explicitly exported */
604 620 POOL_STATE_DESTROYED, /* Explicitly destroyed */
605 621 POOL_STATE_SPARE, /* Reserved for hot spare use */
606 622 POOL_STATE_L2CACHE, /* Level 2 ARC device */
607 623 POOL_STATE_UNINITIALIZED, /* Internal spa_t state */
608 624 POOL_STATE_UNAVAIL, /* Internal libzfs state */
609 625 POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */
610 626 } pool_state_t;
611 627
612 628 /*
613 629 * Scan Functions.
614 630 */
615 631 typedef enum pool_scan_func {
616 632 POOL_SCAN_NONE,
617 633 POOL_SCAN_SCRUB,
618 634 POOL_SCAN_RESILVER,
619 635 POOL_SCAN_FUNCS
620 636 } pool_scan_func_t;
621 637
622 638 /*
623 639 * ZIO types. Needed to interpret vdev statistics below.
624 640 */
625 641 typedef enum zio_type {
626 642 ZIO_TYPE_NULL = 0,
627 643 ZIO_TYPE_READ,
628 644 ZIO_TYPE_WRITE,
629 645 ZIO_TYPE_FREE,
630 646 ZIO_TYPE_CLAIM,
631 647 ZIO_TYPE_IOCTL,
632 648 ZIO_TYPES
633 649 } zio_type_t;
634 650
635 651 /*
636 652 * Pool statistics. Note: all fields should be 64-bit because this
637 653 * is passed between kernel and userland as an nvlist uint64 array.
638 654 */
639 655 typedef struct pool_scan_stat {
640 656 /* values stored on disk */
641 657 uint64_t pss_func; /* pool_scan_func_t */
642 658 uint64_t pss_state; /* dsl_scan_state_t */
643 659 uint64_t pss_start_time; /* scan start time */
644 660 uint64_t pss_end_time; /* scan end time */
645 661 uint64_t pss_to_examine; /* total bytes to scan */
646 662 uint64_t pss_examined; /* total examined bytes */
647 663 uint64_t pss_to_process; /* total bytes to process */
648 664 uint64_t pss_processed; /* total processed bytes */
649 665 uint64_t pss_errors; /* scan errors */
650 666
651 667 /* values not stored on disk */
652 668 uint64_t pss_pass_exam; /* examined bytes per scan pass */
653 669 uint64_t pss_pass_start; /* start time of a scan pass */
654 670 } pool_scan_stat_t;
655 671
656 672 typedef enum dsl_scan_state {
657 673 DSS_NONE,
658 674 DSS_SCANNING,
659 675 DSS_FINISHED,
660 676 DSS_CANCELED,
661 677 DSS_NUM_STATES
662 678 } dsl_scan_state_t;
663 679
664 680
665 681 /*
666 682 * Vdev statistics. Note: all fields should be 64-bit because this
667 683 * is passed between kernel and userland as an nvlist uint64 array.
668 684 */
669 685 typedef struct vdev_stat {
670 686 hrtime_t vs_timestamp; /* time since vdev load */
671 687 uint64_t vs_state; /* vdev state */
672 688 uint64_t vs_aux; /* see vdev_aux_t */
673 689 uint64_t vs_alloc; /* space allocated */
674 690 uint64_t vs_space; /* total capacity */
675 691 uint64_t vs_dspace; /* deflated capacity */
676 692 uint64_t vs_rsize; /* replaceable dev size */
677 693 uint64_t vs_esize; /* expandable dev size */
678 694 uint64_t vs_ops[ZIO_TYPES]; /* operation count */
679 695 uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */
680 696 uint64_t vs_read_errors; /* read errors */
681 697 uint64_t vs_write_errors; /* write errors */
682 698 uint64_t vs_checksum_errors; /* checksum errors */
683 699 uint64_t vs_self_healed; /* self-healed bytes */
684 700 uint64_t vs_scan_removing; /* removing? */
685 701 uint64_t vs_scan_processed; /* scan processed bytes */
686 702 } vdev_stat_t;
687 703
688 704 /*
689 705 * DDT statistics. Note: all fields should be 64-bit because this
690 706 * is passed between kernel and userland as an nvlist uint64 array.
691 707 */
692 708 typedef struct ddt_object {
693 709 uint64_t ddo_count; /* number of elments in ddt */
694 710 uint64_t ddo_dspace; /* size of ddt on disk */
695 711 uint64_t ddo_mspace; /* size of ddt in-core */
696 712 } ddt_object_t;
697 713
698 714 typedef struct ddt_stat {
699 715 uint64_t dds_blocks; /* blocks */
700 716 uint64_t dds_lsize; /* logical size */
701 717 uint64_t dds_psize; /* physical size */
702 718 uint64_t dds_dsize; /* deflated allocated size */
703 719 uint64_t dds_ref_blocks; /* referenced blocks */
704 720 uint64_t dds_ref_lsize; /* referenced lsize * refcnt */
705 721 uint64_t dds_ref_psize; /* referenced psize * refcnt */
706 722 uint64_t dds_ref_dsize; /* referenced dsize * refcnt */
707 723 } ddt_stat_t;
708 724
709 725 typedef struct ddt_histogram {
710 726 ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */
711 727 } ddt_histogram_t;
712 728
713 729 #define ZVOL_DRIVER "zvol"
714 730 #define ZFS_DRIVER "zfs"
715 731 #define ZFS_DEV "/dev/zfs"
716 732
717 733 /* general zvol path */
718 734 #define ZVOL_DIR "/dev/zvol"
719 735 /* expansion */
720 736 #define ZVOL_PSEUDO_DEV "/devices/pseudo/zfs@0:"
721 737 /* for dump and swap */
722 738 #define ZVOL_FULL_DEV_DIR ZVOL_DIR "/dsk/"
723 739 #define ZVOL_FULL_RDEV_DIR ZVOL_DIR "/rdsk/"
724 740
725 741 #define ZVOL_PROP_NAME "name"
726 742 #define ZVOL_DEFAULT_BLOCKSIZE 8192
727 743
728 744 /*
729 745 * /dev/zfs ioctl numbers.
730 746 */
731 747 #define ZFS_IOC ('Z' << 8)
732 748
733 749 typedef enum zfs_ioc {
734 750 ZFS_IOC_POOL_CREATE = ZFS_IOC,
735 751 ZFS_IOC_POOL_DESTROY,
736 752 ZFS_IOC_POOL_IMPORT,
737 753 ZFS_IOC_POOL_EXPORT,
738 754 ZFS_IOC_POOL_CONFIGS,
739 755 ZFS_IOC_POOL_STATS,
740 756 ZFS_IOC_POOL_TRYIMPORT,
741 757 ZFS_IOC_POOL_SCAN,
742 758 ZFS_IOC_POOL_FREEZE,
743 759 ZFS_IOC_POOL_UPGRADE,
744 760 ZFS_IOC_POOL_GET_HISTORY,
745 761 ZFS_IOC_VDEV_ADD,
746 762 ZFS_IOC_VDEV_REMOVE,
747 763 ZFS_IOC_VDEV_SET_STATE,
748 764 ZFS_IOC_VDEV_ATTACH,
749 765 ZFS_IOC_VDEV_DETACH,
750 766 ZFS_IOC_VDEV_SETPATH,
751 767 ZFS_IOC_VDEV_SETFRU,
752 768 ZFS_IOC_OBJSET_STATS,
753 769 ZFS_IOC_OBJSET_ZPLPROPS,
754 770 ZFS_IOC_DATASET_LIST_NEXT,
755 771 ZFS_IOC_SNAPSHOT_LIST_NEXT,
756 772 ZFS_IOC_SET_PROP,
757 773 ZFS_IOC_CREATE,
758 774 ZFS_IOC_DESTROY,
759 775 ZFS_IOC_ROLLBACK,
760 776 ZFS_IOC_RENAME,
761 777 ZFS_IOC_RECV,
762 778 ZFS_IOC_SEND,
763 779 ZFS_IOC_INJECT_FAULT,
764 780 ZFS_IOC_CLEAR_FAULT,
765 781 ZFS_IOC_INJECT_LIST_NEXT,
766 782 ZFS_IOC_ERROR_LOG,
767 783 ZFS_IOC_CLEAR,
768 784 ZFS_IOC_PROMOTE,
769 785 ZFS_IOC_SNAPSHOT,
770 786 ZFS_IOC_DSOBJ_TO_DSNAME,
771 787 ZFS_IOC_OBJ_TO_PATH,
772 788 ZFS_IOC_POOL_SET_PROPS,
773 789 ZFS_IOC_POOL_GET_PROPS,
774 790 ZFS_IOC_SET_FSACL,
775 791 ZFS_IOC_GET_FSACL,
776 792 ZFS_IOC_SHARE,
777 793 ZFS_IOC_INHERIT_PROP,
778 794 ZFS_IOC_SMB_ACL,
779 795 ZFS_IOC_USERSPACE_ONE,
780 796 ZFS_IOC_USERSPACE_MANY,
781 797 ZFS_IOC_USERSPACE_UPGRADE,
782 798 ZFS_IOC_HOLD,
783 799 ZFS_IOC_RELEASE,
784 800 ZFS_IOC_GET_HOLDS,
785 801 ZFS_IOC_OBJSET_RECVD_PROPS,
786 802 ZFS_IOC_VDEV_SPLIT,
787 803 ZFS_IOC_NEXT_OBJ,
788 804 ZFS_IOC_DIFF,
789 805 ZFS_IOC_TMP_SNAPSHOT,
790 806 ZFS_IOC_OBJ_TO_STATS,
791 807 ZFS_IOC_SPACE_WRITTEN,
792 808 ZFS_IOC_SPACE_SNAPS,
793 809 ZFS_IOC_DESTROY_SNAPS_NVL,
794 810 ZFS_IOC_POOL_REGUID,
795 811 ZFS_IOC_POOL_REOPEN,
796 812 ZFS_IOC_SEND_PROGRESS
797 813 } zfs_ioc_t;
798 814
799 815 /*
800 816 * Internal SPA load state. Used by FMA diagnosis engine.
801 817 */
802 818 typedef enum {
803 819 SPA_LOAD_NONE, /* no load in progress */
804 820 SPA_LOAD_OPEN, /* normal open */
805 821 SPA_LOAD_IMPORT, /* import in progress */
806 822 SPA_LOAD_TRYIMPORT, /* tryimport in progress */
807 823 SPA_LOAD_RECOVER, /* recovery requested */
808 824 SPA_LOAD_ERROR /* load failed */
809 825 } spa_load_state_t;
810 826
811 827 /*
812 828 * Bookmark name values.
813 829 */
814 830 #define ZPOOL_ERR_LIST "error list"
815 831 #define ZPOOL_ERR_DATASET "dataset"
816 832 #define ZPOOL_ERR_OBJECT "object"
817 833
818 834 #define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1)
819 835
820 836 /*
821 837 * The following are names used in the nvlist describing
822 838 * the pool's history log.
823 839 */
824 840 #define ZPOOL_HIST_RECORD "history record"
825 841 #define ZPOOL_HIST_TIME "history time"
826 842 #define ZPOOL_HIST_CMD "history command"
827 843 #define ZPOOL_HIST_WHO "history who"
828 844 #define ZPOOL_HIST_ZONE "history zone"
829 845 #define ZPOOL_HIST_HOST "history hostname"
830 846 #define ZPOOL_HIST_TXG "history txg"
831 847 #define ZPOOL_HIST_INT_EVENT "history internal event"
832 848 #define ZPOOL_HIST_INT_STR "history internal str"
833 849
834 850 /*
835 851 * Flags for ZFS_IOC_VDEV_SET_STATE
836 852 */
837 853 #define ZFS_ONLINE_CHECKREMOVE 0x1
838 854 #define ZFS_ONLINE_UNSPARE 0x2
839 855 #define ZFS_ONLINE_FORCEFAULT 0x4
840 856 #define ZFS_ONLINE_EXPAND 0x8
841 857 #define ZFS_OFFLINE_TEMPORARY 0x1
842 858
843 859 /*
844 860 * Flags for ZFS_IOC_POOL_IMPORT
845 861 */
846 862 #define ZFS_IMPORT_NORMAL 0x0
847 863 #define ZFS_IMPORT_VERBATIM 0x1
848 864 #define ZFS_IMPORT_ANY_HOST 0x2
849 865 #define ZFS_IMPORT_MISSING_LOG 0x4
850 866 #define ZFS_IMPORT_ONLY 0x8
851 867
852 868 /*
853 869 * Sysevent payload members. ZFS will generate the following sysevents with the
854 870 * given payloads:
855 871 *
856 872 * ESC_ZFS_RESILVER_START
857 873 * ESC_ZFS_RESILVER_END
858 874 * ESC_ZFS_POOL_DESTROY
859 875 * ESC_ZFS_POOL_REGUID
860 876 *
861 877 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
862 878 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
863 879 *
864 880 * ESC_ZFS_VDEV_REMOVE
865 881 * ESC_ZFS_VDEV_CLEAR
866 882 * ESC_ZFS_VDEV_CHECK
867 883 *
868 884 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
869 885 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
870 886 * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional)
871 887 * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64
872 888 */
873 889 #define ZFS_EV_POOL_NAME "pool_name"
874 890 #define ZFS_EV_POOL_GUID "pool_guid"
875 891 #define ZFS_EV_VDEV_PATH "vdev_path"
876 892 #define ZFS_EV_VDEV_GUID "vdev_guid"
877 893
878 894 /*
879 895 * Note: This is encoded on-disk, so new events must be added to the
880 896 * end, and unused events can not be removed. Be sure to edit
881 897 * libzfs_pool.c: hist_event_table[].
882 898 */
883 899 typedef enum history_internal_events {
884 900 LOG_NO_EVENT = 0,
885 901 LOG_POOL_CREATE,
886 902 LOG_POOL_VDEV_ADD,
887 903 LOG_POOL_REMOVE,
888 904 LOG_POOL_DESTROY,
889 905 LOG_POOL_EXPORT,
890 906 LOG_POOL_IMPORT,
891 907 LOG_POOL_VDEV_ATTACH,
892 908 LOG_POOL_VDEV_REPLACE,
893 909 LOG_POOL_VDEV_DETACH,
894 910 LOG_POOL_VDEV_ONLINE,
895 911 LOG_POOL_VDEV_OFFLINE,
896 912 LOG_POOL_UPGRADE,
897 913 LOG_POOL_CLEAR,
898 914 LOG_POOL_SCAN,
899 915 LOG_POOL_PROPSET,
900 916 LOG_DS_CREATE,
901 917 LOG_DS_CLONE,
902 918 LOG_DS_DESTROY,
903 919 LOG_DS_DESTROY_BEGIN,
904 920 LOG_DS_INHERIT,
905 921 LOG_DS_PROPSET,
906 922 LOG_DS_QUOTA,
907 923 LOG_DS_PERM_UPDATE,
908 924 LOG_DS_PERM_REMOVE,
909 925 LOG_DS_PERM_WHO_REMOVE,
910 926 LOG_DS_PROMOTE,
911 927 LOG_DS_RECEIVE,
912 928 LOG_DS_RENAME,
913 929 LOG_DS_RESERVATION,
914 930 LOG_DS_REPLAY_INC_SYNC,
915 931 LOG_DS_REPLAY_FULL_SYNC,
916 932 LOG_DS_ROLLBACK,
917 933 LOG_DS_SNAPSHOT,
918 934 LOG_DS_UPGRADE,
919 935 LOG_DS_REFQUOTA,
920 936 LOG_DS_REFRESERV,
921 937 LOG_POOL_SCAN_DONE,
922 938 LOG_DS_USER_HOLD,
923 939 LOG_DS_USER_RELEASE,
924 940 LOG_POOL_SPLIT,
925 941 LOG_END
926 942 } history_internal_events_t;
927 943
928 944 #ifdef __cplusplus
929 945 }
930 946 #endif
931 947
932 948 #endif /* _SYS_FS_ZFS_H */
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