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1693 persistent 'comment' field for a zpool
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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
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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 + * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
24 25 * Copyright (c) 2011 by Delphix. All rights reserved.
25 26 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
26 27 */
27 28
28 29 /* Portions Copyright 2010 Robert Milkowski */
29 30
30 31 #ifndef _SYS_FS_ZFS_H
31 32 #define _SYS_FS_ZFS_H
32 33
33 34 #include <sys/time.h>
34 35
35 36 #ifdef __cplusplus
36 37 extern "C" {
37 38 #endif
38 39
39 40 /*
40 41 * Types and constants shared between userland and the kernel.
41 42 */
42 43
43 44 /*
44 45 * Each dataset can be one of the following types. These constants can be
45 46 * combined into masks that can be passed to various functions.
46 47 */
47 48 typedef enum {
48 49 ZFS_TYPE_FILESYSTEM = 0x1,
49 50 ZFS_TYPE_SNAPSHOT = 0x2,
50 51 ZFS_TYPE_VOLUME = 0x4,
51 52 ZFS_TYPE_POOL = 0x8
52 53 } zfs_type_t;
53 54
54 55 #define ZFS_TYPE_DATASET \
55 56 (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT)
56 57
57 58 #define ZAP_MAXNAMELEN 256
58 59 #define ZAP_MAXVALUELEN (1024 * 8)
59 60 #define ZAP_OLDMAXVALUELEN 1024
60 61
61 62 /*
62 63 * Dataset properties are identified by these constants and must be added to
63 64 * the end of this list to ensure that external consumers are not affected
64 65 * by the change. If you make any changes to this list, be sure to update
65 66 * the property table in usr/src/common/zfs/zfs_prop.c.
66 67 */
67 68 typedef enum {
68 69 ZFS_PROP_TYPE,
69 70 ZFS_PROP_CREATION,
70 71 ZFS_PROP_USED,
71 72 ZFS_PROP_AVAILABLE,
72 73 ZFS_PROP_REFERENCED,
73 74 ZFS_PROP_COMPRESSRATIO,
74 75 ZFS_PROP_MOUNTED,
75 76 ZFS_PROP_ORIGIN,
76 77 ZFS_PROP_QUOTA,
77 78 ZFS_PROP_RESERVATION,
78 79 ZFS_PROP_VOLSIZE,
79 80 ZFS_PROP_VOLBLOCKSIZE,
80 81 ZFS_PROP_RECORDSIZE,
81 82 ZFS_PROP_MOUNTPOINT,
82 83 ZFS_PROP_SHARENFS,
83 84 ZFS_PROP_CHECKSUM,
84 85 ZFS_PROP_COMPRESSION,
85 86 ZFS_PROP_ATIME,
86 87 ZFS_PROP_DEVICES,
87 88 ZFS_PROP_EXEC,
88 89 ZFS_PROP_SETUID,
89 90 ZFS_PROP_READONLY,
90 91 ZFS_PROP_ZONED,
91 92 ZFS_PROP_SNAPDIR,
92 93 ZFS_PROP_ACLMODE,
93 94 ZFS_PROP_ACLINHERIT,
94 95 ZFS_PROP_CREATETXG, /* not exposed to the user */
95 96 ZFS_PROP_NAME, /* not exposed to the user */
96 97 ZFS_PROP_CANMOUNT,
97 98 ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */
98 99 ZFS_PROP_XATTR,
99 100 ZFS_PROP_NUMCLONES, /* not exposed to the user */
100 101 ZFS_PROP_COPIES,
101 102 ZFS_PROP_VERSION,
102 103 ZFS_PROP_UTF8ONLY,
103 104 ZFS_PROP_NORMALIZE,
104 105 ZFS_PROP_CASE,
105 106 ZFS_PROP_VSCAN,
106 107 ZFS_PROP_NBMAND,
107 108 ZFS_PROP_SHARESMB,
108 109 ZFS_PROP_REFQUOTA,
109 110 ZFS_PROP_REFRESERVATION,
110 111 ZFS_PROP_GUID,
111 112 ZFS_PROP_PRIMARYCACHE,
112 113 ZFS_PROP_SECONDARYCACHE,
113 114 ZFS_PROP_USEDSNAP,
114 115 ZFS_PROP_USEDDS,
115 116 ZFS_PROP_USEDCHILD,
116 117 ZFS_PROP_USEDREFRESERV,
117 118 ZFS_PROP_USERACCOUNTING, /* not exposed to the user */
118 119 ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */
119 120 ZFS_PROP_DEFER_DESTROY,
120 121 ZFS_PROP_USERREFS,
121 122 ZFS_PROP_LOGBIAS,
122 123 ZFS_PROP_UNIQUE, /* not exposed to the user */
123 124 ZFS_PROP_OBJSETID, /* not exposed to the user */
124 125 ZFS_PROP_DEDUP,
125 126 ZFS_PROP_MLSLABEL,
126 127 ZFS_PROP_SYNC,
127 128 ZFS_PROP_REFRATIO,
128 129 ZFS_NUM_PROPS
129 130 } zfs_prop_t;
130 131
131 132 typedef enum {
132 133 ZFS_PROP_USERUSED,
133 134 ZFS_PROP_USERQUOTA,
134 135 ZFS_PROP_GROUPUSED,
135 136 ZFS_PROP_GROUPQUOTA,
136 137 ZFS_NUM_USERQUOTA_PROPS
137 138 } zfs_userquota_prop_t;
138 139
139 140 extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS];
140 141
141 142 /*
142 143 * Pool properties are identified by these constants and must be added to the
143 144 * end of this list to ensure that external consumers are not affected
144 145 * by the change. If you make any changes to this list, be sure to update
145 146 * the property table in usr/src/common/zfs/zpool_prop.c.
146 147 */
147 148 typedef enum {
148 149 ZPOOL_PROP_NAME,
149 150 ZPOOL_PROP_SIZE,
150 151 ZPOOL_PROP_CAPACITY,
151 152 ZPOOL_PROP_ALTROOT,
152 153 ZPOOL_PROP_HEALTH,
153 154 ZPOOL_PROP_GUID,
154 155 ZPOOL_PROP_VERSION,
155 156 ZPOOL_PROP_BOOTFS,
156 157 ZPOOL_PROP_DELEGATION,
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157 158 ZPOOL_PROP_AUTOREPLACE,
158 159 ZPOOL_PROP_CACHEFILE,
159 160 ZPOOL_PROP_FAILUREMODE,
160 161 ZPOOL_PROP_LISTSNAPS,
161 162 ZPOOL_PROP_AUTOEXPAND,
162 163 ZPOOL_PROP_DEDUPDITTO,
163 164 ZPOOL_PROP_DEDUPRATIO,
164 165 ZPOOL_PROP_FREE,
165 166 ZPOOL_PROP_ALLOCATED,
166 167 ZPOOL_PROP_READONLY,
168 + ZPOOL_PROP_COMMENT,
167 169 ZPOOL_NUM_PROPS
168 170 } zpool_prop_t;
169 171
172 +/* Small enough to not hog a whole line of printout in zpool(1M). */
173 +#define ZPROP_MAX_COMMENT 32
174 +
170 175 #define ZPROP_CONT -2
171 176 #define ZPROP_INVAL -1
172 177
173 178 #define ZPROP_VALUE "value"
174 179 #define ZPROP_SOURCE "source"
175 180
176 181 typedef enum {
177 182 ZPROP_SRC_NONE = 0x1,
178 183 ZPROP_SRC_DEFAULT = 0x2,
179 184 ZPROP_SRC_TEMPORARY = 0x4,
180 185 ZPROP_SRC_LOCAL = 0x8,
181 186 ZPROP_SRC_INHERITED = 0x10,
182 187 ZPROP_SRC_RECEIVED = 0x20
183 188 } zprop_source_t;
184 189
185 190 #define ZPROP_SRC_ALL 0x3f
186 191
187 192 #define ZPROP_SOURCE_VAL_RECVD "$recvd"
188 193 #define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS"
189 194 /*
190 195 * Dataset flag implemented as a special entry in the props zap object
191 196 * indicating that the dataset has received properties on or after
192 197 * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties
193 198 * just as it did in earlier versions, and thereafter, local properties are
194 199 * preserved.
195 200 */
196 201 #define ZPROP_HAS_RECVD "$hasrecvd"
197 202
198 203 typedef enum {
199 204 ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */
200 205 ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */
201 206 } zprop_errflags_t;
202 207
203 208 typedef int (*zprop_func)(int, void *);
204 209
205 210 /*
206 211 * Properties to be set on the root file system of a new pool
207 212 * are stuffed into their own nvlist, which is then included in
208 213 * the properties nvlist with the pool properties.
209 214 */
210 215 #define ZPOOL_ROOTFS_PROPS "root-props-nvl"
211 216
212 217 /*
213 218 * Dataset property functions shared between libzfs and kernel.
214 219 */
215 220 const char *zfs_prop_default_string(zfs_prop_t);
216 221 uint64_t zfs_prop_default_numeric(zfs_prop_t);
217 222 boolean_t zfs_prop_readonly(zfs_prop_t);
218 223 boolean_t zfs_prop_inheritable(zfs_prop_t);
219 224 boolean_t zfs_prop_setonce(zfs_prop_t);
220 225 const char *zfs_prop_to_name(zfs_prop_t);
221 226 zfs_prop_t zfs_name_to_prop(const char *);
222 227 boolean_t zfs_prop_user(const char *);
223 228 boolean_t zfs_prop_userquota(const char *);
224 229 int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
225 230 int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *);
226 231 uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed);
227 232 boolean_t zfs_prop_valid_for_type(int, zfs_type_t);
228 233
229 234 /*
230 235 * Pool property functions shared between libzfs and kernel.
231 236 */
232 237 zpool_prop_t zpool_name_to_prop(const char *);
233 238 const char *zpool_prop_to_name(zpool_prop_t);
234 239 const char *zpool_prop_default_string(zpool_prop_t);
235 240 uint64_t zpool_prop_default_numeric(zpool_prop_t);
236 241 boolean_t zpool_prop_readonly(zpool_prop_t);
237 242 int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **);
238 243 int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *);
239 244 uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed);
240 245
241 246 /*
242 247 * Definitions for the Delegation.
243 248 */
244 249 typedef enum {
245 250 ZFS_DELEG_WHO_UNKNOWN = 0,
246 251 ZFS_DELEG_USER = 'u',
247 252 ZFS_DELEG_USER_SETS = 'U',
248 253 ZFS_DELEG_GROUP = 'g',
249 254 ZFS_DELEG_GROUP_SETS = 'G',
250 255 ZFS_DELEG_EVERYONE = 'e',
251 256 ZFS_DELEG_EVERYONE_SETS = 'E',
252 257 ZFS_DELEG_CREATE = 'c',
253 258 ZFS_DELEG_CREATE_SETS = 'C',
254 259 ZFS_DELEG_NAMED_SET = 's',
255 260 ZFS_DELEG_NAMED_SET_SETS = 'S'
256 261 } zfs_deleg_who_type_t;
257 262
258 263 typedef enum {
259 264 ZFS_DELEG_NONE = 0,
260 265 ZFS_DELEG_PERM_LOCAL = 1,
261 266 ZFS_DELEG_PERM_DESCENDENT = 2,
262 267 ZFS_DELEG_PERM_LOCALDESCENDENT = 3,
263 268 ZFS_DELEG_PERM_CREATE = 4
264 269 } zfs_deleg_inherit_t;
265 270
266 271 #define ZFS_DELEG_PERM_UID "uid"
267 272 #define ZFS_DELEG_PERM_GID "gid"
268 273 #define ZFS_DELEG_PERM_GROUPS "groups"
269 274
270 275 #define ZFS_MLSLABEL_DEFAULT "none"
271 276
272 277 #define ZFS_SMB_ACL_SRC "src"
273 278 #define ZFS_SMB_ACL_TARGET "target"
274 279
275 280 typedef enum {
276 281 ZFS_CANMOUNT_OFF = 0,
277 282 ZFS_CANMOUNT_ON = 1,
278 283 ZFS_CANMOUNT_NOAUTO = 2
279 284 } zfs_canmount_type_t;
280 285
281 286 typedef enum {
282 287 ZFS_LOGBIAS_LATENCY = 0,
283 288 ZFS_LOGBIAS_THROUGHPUT = 1
284 289 } zfs_logbias_op_t;
285 290
286 291 typedef enum zfs_share_op {
287 292 ZFS_SHARE_NFS = 0,
288 293 ZFS_UNSHARE_NFS = 1,
289 294 ZFS_SHARE_SMB = 2,
290 295 ZFS_UNSHARE_SMB = 3
291 296 } zfs_share_op_t;
292 297
293 298 typedef enum zfs_smb_acl_op {
294 299 ZFS_SMB_ACL_ADD,
295 300 ZFS_SMB_ACL_REMOVE,
296 301 ZFS_SMB_ACL_RENAME,
297 302 ZFS_SMB_ACL_PURGE
298 303 } zfs_smb_acl_op_t;
299 304
300 305 typedef enum zfs_cache_type {
301 306 ZFS_CACHE_NONE = 0,
302 307 ZFS_CACHE_METADATA = 1,
303 308 ZFS_CACHE_ALL = 2
304 309 } zfs_cache_type_t;
305 310
306 311 typedef enum {
307 312 ZFS_SYNC_STANDARD = 0,
308 313 ZFS_SYNC_ALWAYS = 1,
309 314 ZFS_SYNC_DISABLED = 2
310 315 } zfs_sync_type_t;
311 316
312 317
313 318 /*
314 319 * On-disk version number.
315 320 */
316 321 #define SPA_VERSION_1 1ULL
317 322 #define SPA_VERSION_2 2ULL
318 323 #define SPA_VERSION_3 3ULL
319 324 #define SPA_VERSION_4 4ULL
320 325 #define SPA_VERSION_5 5ULL
321 326 #define SPA_VERSION_6 6ULL
322 327 #define SPA_VERSION_7 7ULL
323 328 #define SPA_VERSION_8 8ULL
324 329 #define SPA_VERSION_9 9ULL
325 330 #define SPA_VERSION_10 10ULL
326 331 #define SPA_VERSION_11 11ULL
327 332 #define SPA_VERSION_12 12ULL
328 333 #define SPA_VERSION_13 13ULL
329 334 #define SPA_VERSION_14 14ULL
330 335 #define SPA_VERSION_15 15ULL
331 336 #define SPA_VERSION_16 16ULL
332 337 #define SPA_VERSION_17 17ULL
333 338 #define SPA_VERSION_18 18ULL
334 339 #define SPA_VERSION_19 19ULL
335 340 #define SPA_VERSION_20 20ULL
336 341 #define SPA_VERSION_21 21ULL
337 342 #define SPA_VERSION_22 22ULL
338 343 #define SPA_VERSION_23 23ULL
339 344 #define SPA_VERSION_24 24ULL
340 345 #define SPA_VERSION_25 25ULL
341 346 #define SPA_VERSION_26 26ULL
342 347 #define SPA_VERSION_27 27ULL
343 348 #define SPA_VERSION_28 28ULL
344 349
345 350 /*
346 351 * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk
347 352 * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*},
348 353 * and do the appropriate changes. Also bump the version number in
349 354 * usr/src/grub/capability.
350 355 */
351 356 #define SPA_VERSION SPA_VERSION_28
352 357 #define SPA_VERSION_STRING "28"
353 358
354 359 /*
355 360 * Symbolic names for the changes that caused a SPA_VERSION switch.
356 361 * Used in the code when checking for presence or absence of a feature.
357 362 * Feel free to define multiple symbolic names for each version if there
358 363 * were multiple changes to on-disk structures during that version.
359 364 *
360 365 * NOTE: When checking the current SPA_VERSION in your code, be sure
361 366 * to use spa_version() since it reports the version of the
362 367 * last synced uberblock. Checking the in-flight version can
363 368 * be dangerous in some cases.
364 369 */
365 370 #define SPA_VERSION_INITIAL SPA_VERSION_1
366 371 #define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2
367 372 #define SPA_VERSION_SPARES SPA_VERSION_3
368 373 #define SPA_VERSION_RAIDZ2 SPA_VERSION_3
369 374 #define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3
370 375 #define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3
371 376 #define SPA_VERSION_DNODE_BYTES SPA_VERSION_3
372 377 #define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4
373 378 #define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5
374 379 #define SPA_VERSION_BOOTFS SPA_VERSION_6
375 380 #define SPA_VERSION_SLOGS SPA_VERSION_7
376 381 #define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8
377 382 #define SPA_VERSION_FUID SPA_VERSION_9
378 383 #define SPA_VERSION_REFRESERVATION SPA_VERSION_9
379 384 #define SPA_VERSION_REFQUOTA SPA_VERSION_9
380 385 #define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9
381 386 #define SPA_VERSION_L2CACHE SPA_VERSION_10
382 387 #define SPA_VERSION_NEXT_CLONES SPA_VERSION_11
383 388 #define SPA_VERSION_ORIGIN SPA_VERSION_11
384 389 #define SPA_VERSION_DSL_SCRUB SPA_VERSION_11
385 390 #define SPA_VERSION_SNAP_PROPS SPA_VERSION_12
386 391 #define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13
387 392 #define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14
388 393 #define SPA_VERSION_USERSPACE SPA_VERSION_15
389 394 #define SPA_VERSION_STMF_PROP SPA_VERSION_16
390 395 #define SPA_VERSION_RAIDZ3 SPA_VERSION_17
391 396 #define SPA_VERSION_USERREFS SPA_VERSION_18
392 397 #define SPA_VERSION_HOLES SPA_VERSION_19
393 398 #define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20
394 399 #define SPA_VERSION_DEDUP SPA_VERSION_21
395 400 #define SPA_VERSION_RECVD_PROPS SPA_VERSION_22
396 401 #define SPA_VERSION_SLIM_ZIL SPA_VERSION_23
397 402 #define SPA_VERSION_SA SPA_VERSION_24
398 403 #define SPA_VERSION_SCAN SPA_VERSION_25
399 404 #define SPA_VERSION_DIR_CLONES SPA_VERSION_26
400 405 #define SPA_VERSION_DEADLISTS SPA_VERSION_26
401 406 #define SPA_VERSION_FAST_SNAP SPA_VERSION_27
402 407 #define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28
403 408
404 409 /*
405 410 * ZPL version - rev'd whenever an incompatible on-disk format change
406 411 * occurs. This is independent of SPA/DMU/ZAP versioning. You must
407 412 * also update the version_table[] and help message in zfs_prop.c.
408 413 *
409 414 * When changing, be sure to teach GRUB how to read the new format!
410 415 * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*}
411 416 */
412 417 #define ZPL_VERSION_1 1ULL
413 418 #define ZPL_VERSION_2 2ULL
414 419 #define ZPL_VERSION_3 3ULL
415 420 #define ZPL_VERSION_4 4ULL
416 421 #define ZPL_VERSION_5 5ULL
417 422 #define ZPL_VERSION ZPL_VERSION_5
418 423 #define ZPL_VERSION_STRING "5"
419 424
420 425 #define ZPL_VERSION_INITIAL ZPL_VERSION_1
421 426 #define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2
422 427 #define ZPL_VERSION_FUID ZPL_VERSION_3
423 428 #define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3
424 429 #define ZPL_VERSION_SYSATTR ZPL_VERSION_3
425 430 #define ZPL_VERSION_USERSPACE ZPL_VERSION_4
426 431 #define ZPL_VERSION_SA ZPL_VERSION_5
427 432
428 433 /* Rewind request information */
429 434 #define ZPOOL_NO_REWIND 1 /* No policy - default behavior */
430 435 #define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */
431 436 #define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */
432 437 #define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */
433 438 #define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */
434 439 #define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */
435 440 #define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */
436 441
437 442 typedef struct zpool_rewind_policy {
438 443 uint32_t zrp_request; /* rewind behavior requested */
439 444 uint64_t zrp_maxmeta; /* max acceptable meta-data errors */
440 445 uint64_t zrp_maxdata; /* max acceptable data errors */
441 446 uint64_t zrp_txg; /* specific txg to load */
442 447 } zpool_rewind_policy_t;
443 448
444 449 /*
445 450 * The following are configuration names used in the nvlist describing a pool's
446 451 * configuration.
447 452 */
448 453 #define ZPOOL_CONFIG_VERSION "version"
449 454 #define ZPOOL_CONFIG_POOL_NAME "name"
450 455 #define ZPOOL_CONFIG_POOL_STATE "state"
451 456 #define ZPOOL_CONFIG_POOL_TXG "txg"
452 457 #define ZPOOL_CONFIG_POOL_GUID "pool_guid"
453 458 #define ZPOOL_CONFIG_CREATE_TXG "create_txg"
454 459 #define ZPOOL_CONFIG_TOP_GUID "top_guid"
455 460 #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree"
456 461 #define ZPOOL_CONFIG_TYPE "type"
457 462 #define ZPOOL_CONFIG_CHILDREN "children"
458 463 #define ZPOOL_CONFIG_ID "id"
459 464 #define ZPOOL_CONFIG_GUID "guid"
460 465 #define ZPOOL_CONFIG_PATH "path"
461 466 #define ZPOOL_CONFIG_DEVID "devid"
462 467 #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array"
463 468 #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift"
464 469 #define ZPOOL_CONFIG_ASHIFT "ashift"
465 470 #define ZPOOL_CONFIG_ASIZE "asize"
466 471 #define ZPOOL_CONFIG_DTL "DTL"
467 472 #define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */
468 473 #define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */
469 474 #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk"
470 475 #define ZPOOL_CONFIG_ERRCOUNT "error_count"
471 476 #define ZPOOL_CONFIG_NOT_PRESENT "not_present"
472 477 #define ZPOOL_CONFIG_SPARES "spares"
473 478 #define ZPOOL_CONFIG_IS_SPARE "is_spare"
474 479 #define ZPOOL_CONFIG_NPARITY "nparity"
475 480 #define ZPOOL_CONFIG_HOSTID "hostid"
476 481 #define ZPOOL_CONFIG_HOSTNAME "hostname"
477 482 #define ZPOOL_CONFIG_LOADED_TIME "initial_load_time"
478 483 #define ZPOOL_CONFIG_UNSPARE "unspare"
479 484 #define ZPOOL_CONFIG_PHYS_PATH "phys_path"
480 485 #define ZPOOL_CONFIG_IS_LOG "is_log"
481 486 #define ZPOOL_CONFIG_L2CACHE "l2cache"
482 487 #define ZPOOL_CONFIG_HOLE_ARRAY "hole_array"
483 488 #define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children"
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484 489 #define ZPOOL_CONFIG_IS_HOLE "is_hole"
485 490 #define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram"
486 491 #define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats"
487 492 #define ZPOOL_CONFIG_DDT_STATS "ddt_stats"
488 493 #define ZPOOL_CONFIG_SPLIT "splitcfg"
489 494 #define ZPOOL_CONFIG_ORIG_GUID "orig_guid"
490 495 #define ZPOOL_CONFIG_SPLIT_GUID "split_guid"
491 496 #define ZPOOL_CONFIG_SPLIT_LIST "guid_list"
492 497 #define ZPOOL_CONFIG_REMOVING "removing"
493 498 #define ZPOOL_CONFIG_RESILVERING "resilvering"
499 +#define ZPOOL_CONFIG_COMMENT "comment"
494 500 #define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */
495 501 #define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */
496 502 #define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */
497 503 #define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */
498 504 #define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */
499 505 /*
500 506 * The persistent vdev state is stored as separate values rather than a single
501 507 * 'vdev_state' entry. This is because a device can be in multiple states, such
502 508 * as offline and degraded.
503 509 */
504 510 #define ZPOOL_CONFIG_OFFLINE "offline"
505 511 #define ZPOOL_CONFIG_FAULTED "faulted"
506 512 #define ZPOOL_CONFIG_DEGRADED "degraded"
507 513 #define ZPOOL_CONFIG_REMOVED "removed"
508 514 #define ZPOOL_CONFIG_FRU "fru"
509 515 #define ZPOOL_CONFIG_AUX_STATE "aux_state"
510 516
511 517 /* Rewind policy parameters */
512 518 #define ZPOOL_REWIND_POLICY "rewind-policy"
513 519 #define ZPOOL_REWIND_REQUEST "rewind-request"
514 520 #define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg"
515 521 #define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh"
516 522 #define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh"
517 523
518 524 /* Rewind data discovered */
519 525 #define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts"
520 526 #define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors"
521 527 #define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind"
522 528
523 529 #define VDEV_TYPE_ROOT "root"
524 530 #define VDEV_TYPE_MIRROR "mirror"
525 531 #define VDEV_TYPE_REPLACING "replacing"
526 532 #define VDEV_TYPE_RAIDZ "raidz"
527 533 #define VDEV_TYPE_DISK "disk"
528 534 #define VDEV_TYPE_FILE "file"
529 535 #define VDEV_TYPE_MISSING "missing"
530 536 #define VDEV_TYPE_HOLE "hole"
531 537 #define VDEV_TYPE_SPARE "spare"
532 538 #define VDEV_TYPE_LOG "log"
533 539 #define VDEV_TYPE_L2CACHE "l2cache"
534 540
535 541 /*
536 542 * This is needed in userland to report the minimum necessary device size.
537 543 */
538 544 #define SPA_MINDEVSIZE (64ULL << 20)
539 545
540 546 /*
541 547 * The location of the pool configuration repository, shared between kernel and
542 548 * userland.
543 549 */
544 550 #define ZPOOL_CACHE "/etc/zfs/zpool.cache"
545 551
546 552 /*
547 553 * vdev states are ordered from least to most healthy.
548 554 * A vdev that's CANT_OPEN or below is considered unusable.
549 555 */
550 556 typedef enum vdev_state {
551 557 VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */
552 558 VDEV_STATE_CLOSED, /* Not currently open */
553 559 VDEV_STATE_OFFLINE, /* Not allowed to open */
554 560 VDEV_STATE_REMOVED, /* Explicitly removed from system */
555 561 VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */
556 562 VDEV_STATE_FAULTED, /* External request to fault device */
557 563 VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */
558 564 VDEV_STATE_HEALTHY /* Presumed good */
559 565 } vdev_state_t;
560 566
561 567 #define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY
562 568
563 569 /*
564 570 * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field
565 571 * of the vdev stats structure uses these constants to distinguish why.
566 572 */
567 573 typedef enum vdev_aux {
568 574 VDEV_AUX_NONE, /* no error */
569 575 VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */
570 576 VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */
571 577 VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */
572 578 VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */
573 579 VDEV_AUX_TOO_SMALL, /* vdev size is too small */
574 580 VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */
575 581 VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */
576 582 VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */
577 583 VDEV_AUX_SPARED, /* hot spare used in another pool */
578 584 VDEV_AUX_ERR_EXCEEDED, /* too many errors */
579 585 VDEV_AUX_IO_FAILURE, /* experienced I/O failure */
580 586 VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */
581 587 VDEV_AUX_EXTERNAL, /* external diagnosis */
582 588 VDEV_AUX_SPLIT_POOL /* vdev was split off into another pool */
583 589 } vdev_aux_t;
584 590
585 591 /*
586 592 * pool state. The following states are written to disk as part of the normal
587 593 * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining
588 594 * states are software abstractions used at various levels to communicate
589 595 * pool state.
590 596 */
591 597 typedef enum pool_state {
592 598 POOL_STATE_ACTIVE = 0, /* In active use */
593 599 POOL_STATE_EXPORTED, /* Explicitly exported */
594 600 POOL_STATE_DESTROYED, /* Explicitly destroyed */
595 601 POOL_STATE_SPARE, /* Reserved for hot spare use */
596 602 POOL_STATE_L2CACHE, /* Level 2 ARC device */
597 603 POOL_STATE_UNINITIALIZED, /* Internal spa_t state */
598 604 POOL_STATE_UNAVAIL, /* Internal libzfs state */
599 605 POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */
600 606 } pool_state_t;
601 607
602 608 /*
603 609 * Scan Functions.
604 610 */
605 611 typedef enum pool_scan_func {
606 612 POOL_SCAN_NONE,
607 613 POOL_SCAN_SCRUB,
608 614 POOL_SCAN_RESILVER,
609 615 POOL_SCAN_FUNCS
610 616 } pool_scan_func_t;
611 617
612 618 /*
613 619 * ZIO types. Needed to interpret vdev statistics below.
614 620 */
615 621 typedef enum zio_type {
616 622 ZIO_TYPE_NULL = 0,
617 623 ZIO_TYPE_READ,
618 624 ZIO_TYPE_WRITE,
619 625 ZIO_TYPE_FREE,
620 626 ZIO_TYPE_CLAIM,
621 627 ZIO_TYPE_IOCTL,
622 628 ZIO_TYPES
623 629 } zio_type_t;
624 630
625 631 /*
626 632 * Pool statistics. Note: all fields should be 64-bit because this
627 633 * is passed between kernel and userland as an nvlist uint64 array.
628 634 */
629 635 typedef struct pool_scan_stat {
630 636 /* values stored on disk */
631 637 uint64_t pss_func; /* pool_scan_func_t */
632 638 uint64_t pss_state; /* dsl_scan_state_t */
633 639 uint64_t pss_start_time; /* scan start time */
634 640 uint64_t pss_end_time; /* scan end time */
635 641 uint64_t pss_to_examine; /* total bytes to scan */
636 642 uint64_t pss_examined; /* total examined bytes */
637 643 uint64_t pss_to_process; /* total bytes to process */
638 644 uint64_t pss_processed; /* total processed bytes */
639 645 uint64_t pss_errors; /* scan errors */
640 646
641 647 /* values not stored on disk */
642 648 uint64_t pss_pass_exam; /* examined bytes per scan pass */
643 649 uint64_t pss_pass_start; /* start time of a scan pass */
644 650 } pool_scan_stat_t;
645 651
646 652 typedef enum dsl_scan_state {
647 653 DSS_NONE,
648 654 DSS_SCANNING,
649 655 DSS_FINISHED,
650 656 DSS_CANCELED,
651 657 DSS_NUM_STATES
652 658 } dsl_scan_state_t;
653 659
654 660
655 661 /*
656 662 * Vdev statistics. Note: all fields should be 64-bit because this
657 663 * is passed between kernel and userland as an nvlist uint64 array.
658 664 */
659 665 typedef struct vdev_stat {
660 666 hrtime_t vs_timestamp; /* time since vdev load */
661 667 uint64_t vs_state; /* vdev state */
662 668 uint64_t vs_aux; /* see vdev_aux_t */
663 669 uint64_t vs_alloc; /* space allocated */
664 670 uint64_t vs_space; /* total capacity */
665 671 uint64_t vs_dspace; /* deflated capacity */
666 672 uint64_t vs_rsize; /* replaceable dev size */
667 673 uint64_t vs_ops[ZIO_TYPES]; /* operation count */
668 674 uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */
669 675 uint64_t vs_read_errors; /* read errors */
670 676 uint64_t vs_write_errors; /* write errors */
671 677 uint64_t vs_checksum_errors; /* checksum errors */
672 678 uint64_t vs_self_healed; /* self-healed bytes */
673 679 uint64_t vs_scan_removing; /* removing? */
674 680 uint64_t vs_scan_processed; /* scan processed bytes */
675 681 } vdev_stat_t;
676 682
677 683 /*
678 684 * DDT statistics. Note: all fields should be 64-bit because this
679 685 * is passed between kernel and userland as an nvlist uint64 array.
680 686 */
681 687 typedef struct ddt_object {
682 688 uint64_t ddo_count; /* number of elments in ddt */
683 689 uint64_t ddo_dspace; /* size of ddt on disk */
684 690 uint64_t ddo_mspace; /* size of ddt in-core */
685 691 } ddt_object_t;
686 692
687 693 typedef struct ddt_stat {
688 694 uint64_t dds_blocks; /* blocks */
689 695 uint64_t dds_lsize; /* logical size */
690 696 uint64_t dds_psize; /* physical size */
691 697 uint64_t dds_dsize; /* deflated allocated size */
692 698 uint64_t dds_ref_blocks; /* referenced blocks */
693 699 uint64_t dds_ref_lsize; /* referenced lsize * refcnt */
694 700 uint64_t dds_ref_psize; /* referenced psize * refcnt */
695 701 uint64_t dds_ref_dsize; /* referenced dsize * refcnt */
696 702 } ddt_stat_t;
697 703
698 704 typedef struct ddt_histogram {
699 705 ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */
700 706 } ddt_histogram_t;
701 707
702 708 #define ZVOL_DRIVER "zvol"
703 709 #define ZFS_DRIVER "zfs"
704 710 #define ZFS_DEV "/dev/zfs"
705 711
706 712 /* general zvol path */
707 713 #define ZVOL_DIR "/dev/zvol"
708 714 /* expansion */
709 715 #define ZVOL_PSEUDO_DEV "/devices/pseudo/zfs@0:"
710 716 /* for dump and swap */
711 717 #define ZVOL_FULL_DEV_DIR ZVOL_DIR "/dsk/"
712 718 #define ZVOL_FULL_RDEV_DIR ZVOL_DIR "/rdsk/"
713 719
714 720 #define ZVOL_PROP_NAME "name"
715 721 #define ZVOL_DEFAULT_BLOCKSIZE 8192
716 722
717 723 /*
718 724 * /dev/zfs ioctl numbers.
719 725 */
720 726 #define ZFS_IOC ('Z' << 8)
721 727
722 728 typedef enum zfs_ioc {
723 729 ZFS_IOC_POOL_CREATE = ZFS_IOC,
724 730 ZFS_IOC_POOL_DESTROY,
725 731 ZFS_IOC_POOL_IMPORT,
726 732 ZFS_IOC_POOL_EXPORT,
727 733 ZFS_IOC_POOL_CONFIGS,
728 734 ZFS_IOC_POOL_STATS,
729 735 ZFS_IOC_POOL_TRYIMPORT,
730 736 ZFS_IOC_POOL_SCAN,
731 737 ZFS_IOC_POOL_FREEZE,
732 738 ZFS_IOC_POOL_UPGRADE,
733 739 ZFS_IOC_POOL_GET_HISTORY,
734 740 ZFS_IOC_VDEV_ADD,
735 741 ZFS_IOC_VDEV_REMOVE,
736 742 ZFS_IOC_VDEV_SET_STATE,
737 743 ZFS_IOC_VDEV_ATTACH,
738 744 ZFS_IOC_VDEV_DETACH,
739 745 ZFS_IOC_VDEV_SETPATH,
740 746 ZFS_IOC_VDEV_SETFRU,
741 747 ZFS_IOC_OBJSET_STATS,
742 748 ZFS_IOC_OBJSET_ZPLPROPS,
743 749 ZFS_IOC_DATASET_LIST_NEXT,
744 750 ZFS_IOC_SNAPSHOT_LIST_NEXT,
745 751 ZFS_IOC_SET_PROP,
746 752 ZFS_IOC_CREATE,
747 753 ZFS_IOC_DESTROY,
748 754 ZFS_IOC_ROLLBACK,
749 755 ZFS_IOC_RENAME,
750 756 ZFS_IOC_RECV,
751 757 ZFS_IOC_SEND,
752 758 ZFS_IOC_INJECT_FAULT,
753 759 ZFS_IOC_CLEAR_FAULT,
754 760 ZFS_IOC_INJECT_LIST_NEXT,
755 761 ZFS_IOC_ERROR_LOG,
756 762 ZFS_IOC_CLEAR,
757 763 ZFS_IOC_PROMOTE,
758 764 ZFS_IOC_DESTROY_SNAPS,
759 765 ZFS_IOC_SNAPSHOT,
760 766 ZFS_IOC_DSOBJ_TO_DSNAME,
761 767 ZFS_IOC_OBJ_TO_PATH,
762 768 ZFS_IOC_POOL_SET_PROPS,
763 769 ZFS_IOC_POOL_GET_PROPS,
764 770 ZFS_IOC_SET_FSACL,
765 771 ZFS_IOC_GET_FSACL,
766 772 ZFS_IOC_SHARE,
767 773 ZFS_IOC_INHERIT_PROP,
768 774 ZFS_IOC_SMB_ACL,
769 775 ZFS_IOC_USERSPACE_ONE,
770 776 ZFS_IOC_USERSPACE_MANY,
771 777 ZFS_IOC_USERSPACE_UPGRADE,
772 778 ZFS_IOC_HOLD,
773 779 ZFS_IOC_RELEASE,
774 780 ZFS_IOC_GET_HOLDS,
775 781 ZFS_IOC_OBJSET_RECVD_PROPS,
776 782 ZFS_IOC_VDEV_SPLIT,
777 783 ZFS_IOC_NEXT_OBJ,
778 784 ZFS_IOC_DIFF,
779 785 ZFS_IOC_TMP_SNAPSHOT,
780 786 ZFS_IOC_OBJ_TO_STATS,
781 787 ZFS_IOC_POOL_REGUID
782 788 } zfs_ioc_t;
783 789
784 790 /*
785 791 * Internal SPA load state. Used by FMA diagnosis engine.
786 792 */
787 793 typedef enum {
788 794 SPA_LOAD_NONE, /* no load in progress */
789 795 SPA_LOAD_OPEN, /* normal open */
790 796 SPA_LOAD_IMPORT, /* import in progress */
791 797 SPA_LOAD_TRYIMPORT, /* tryimport in progress */
792 798 SPA_LOAD_RECOVER, /* recovery requested */
793 799 SPA_LOAD_ERROR /* load failed */
794 800 } spa_load_state_t;
795 801
796 802 /*
797 803 * Bookmark name values.
798 804 */
799 805 #define ZPOOL_ERR_LIST "error list"
800 806 #define ZPOOL_ERR_DATASET "dataset"
801 807 #define ZPOOL_ERR_OBJECT "object"
802 808
803 809 #define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1)
804 810
805 811 /*
806 812 * The following are names used in the nvlist describing
807 813 * the pool's history log.
808 814 */
809 815 #define ZPOOL_HIST_RECORD "history record"
810 816 #define ZPOOL_HIST_TIME "history time"
811 817 #define ZPOOL_HIST_CMD "history command"
812 818 #define ZPOOL_HIST_WHO "history who"
813 819 #define ZPOOL_HIST_ZONE "history zone"
814 820 #define ZPOOL_HIST_HOST "history hostname"
815 821 #define ZPOOL_HIST_TXG "history txg"
816 822 #define ZPOOL_HIST_INT_EVENT "history internal event"
817 823 #define ZPOOL_HIST_INT_STR "history internal str"
818 824
819 825 /*
820 826 * Flags for ZFS_IOC_VDEV_SET_STATE
821 827 */
822 828 #define ZFS_ONLINE_CHECKREMOVE 0x1
823 829 #define ZFS_ONLINE_UNSPARE 0x2
824 830 #define ZFS_ONLINE_FORCEFAULT 0x4
825 831 #define ZFS_ONLINE_EXPAND 0x8
826 832 #define ZFS_OFFLINE_TEMPORARY 0x1
827 833
828 834 /*
829 835 * Flags for ZFS_IOC_POOL_IMPORT
830 836 */
831 837 #define ZFS_IMPORT_NORMAL 0x0
832 838 #define ZFS_IMPORT_VERBATIM 0x1
833 839 #define ZFS_IMPORT_ANY_HOST 0x2
834 840 #define ZFS_IMPORT_MISSING_LOG 0x4
835 841 #define ZFS_IMPORT_ONLY 0x8
836 842
837 843 /*
838 844 * Sysevent payload members. ZFS will generate the following sysevents with the
839 845 * given payloads:
840 846 *
841 847 * ESC_ZFS_RESILVER_START
842 848 * ESC_ZFS_RESILVER_END
843 849 * ESC_ZFS_POOL_DESTROY
844 850 * ESC_ZFS_POOL_REGUID
845 851 *
846 852 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
847 853 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
848 854 *
849 855 * ESC_ZFS_VDEV_REMOVE
850 856 * ESC_ZFS_VDEV_CLEAR
851 857 * ESC_ZFS_VDEV_CHECK
852 858 *
853 859 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
854 860 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
855 861 * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional)
856 862 * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64
857 863 */
858 864 #define ZFS_EV_POOL_NAME "pool_name"
859 865 #define ZFS_EV_POOL_GUID "pool_guid"
860 866 #define ZFS_EV_VDEV_PATH "vdev_path"
861 867 #define ZFS_EV_VDEV_GUID "vdev_guid"
862 868
863 869 /*
864 870 * Note: This is encoded on-disk, so new events must be added to the
865 871 * end, and unused events can not be removed. Be sure to edit
866 872 * libzfs_pool.c: hist_event_table[].
867 873 */
868 874 typedef enum history_internal_events {
869 875 LOG_NO_EVENT = 0,
870 876 LOG_POOL_CREATE,
871 877 LOG_POOL_VDEV_ADD,
872 878 LOG_POOL_REMOVE,
873 879 LOG_POOL_DESTROY,
874 880 LOG_POOL_EXPORT,
875 881 LOG_POOL_IMPORT,
876 882 LOG_POOL_VDEV_ATTACH,
877 883 LOG_POOL_VDEV_REPLACE,
878 884 LOG_POOL_VDEV_DETACH,
879 885 LOG_POOL_VDEV_ONLINE,
880 886 LOG_POOL_VDEV_OFFLINE,
881 887 LOG_POOL_UPGRADE,
882 888 LOG_POOL_CLEAR,
883 889 LOG_POOL_SCAN,
884 890 LOG_POOL_PROPSET,
885 891 LOG_DS_CREATE,
886 892 LOG_DS_CLONE,
887 893 LOG_DS_DESTROY,
888 894 LOG_DS_DESTROY_BEGIN,
889 895 LOG_DS_INHERIT,
890 896 LOG_DS_PROPSET,
891 897 LOG_DS_QUOTA,
892 898 LOG_DS_PERM_UPDATE,
893 899 LOG_DS_PERM_REMOVE,
894 900 LOG_DS_PERM_WHO_REMOVE,
895 901 LOG_DS_PROMOTE,
896 902 LOG_DS_RECEIVE,
897 903 LOG_DS_RENAME,
898 904 LOG_DS_RESERVATION,
899 905 LOG_DS_REPLAY_INC_SYNC,
900 906 LOG_DS_REPLAY_FULL_SYNC,
901 907 LOG_DS_ROLLBACK,
902 908 LOG_DS_SNAPSHOT,
903 909 LOG_DS_UPGRADE,
904 910 LOG_DS_REFQUOTA,
905 911 LOG_DS_REFRESERV,
906 912 LOG_POOL_SCAN_DONE,
907 913 LOG_DS_USER_HOLD,
908 914 LOG_DS_USER_RELEASE,
909 915 LOG_POOL_SPLIT,
910 916 LOG_END
911 917 } history_internal_events_t;
912 918
913 919 #ifdef __cplusplus
914 920 }
915 921 #endif
916 922
917 923 #endif /* _SYS_FS_ZFS_H */
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