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34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | /* | |
428870ff | 22 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
4747a7d3 | 23 | * Copyright (c) 2012, 2017 by Delphix. All rights reserved. |
34dc7c2f BB |
24 | */ |
25 | ||
428870ff BB |
26 | /* Portions Copyright 2010 Robert Milkowski */ |
27 | ||
34dc7c2f BB |
28 | #ifndef _SYS_ZIL_H |
29 | #define _SYS_ZIL_H | |
30 | ||
34dc7c2f BB |
31 | #include <sys/types.h> |
32 | #include <sys/spa.h> | |
33 | #include <sys/zio.h> | |
34 | #include <sys/dmu.h> | |
b5256303 | 35 | #include <sys/zio_crypt.h> |
34dc7c2f BB |
36 | |
37 | #ifdef __cplusplus | |
38 | extern "C" { | |
39 | #endif | |
40 | ||
9c43027b AJ |
41 | struct dsl_pool; |
42 | struct dsl_dataset; | |
43 | ||
34dc7c2f BB |
44 | /* |
45 | * Intent log format: | |
46 | * | |
47 | * Each objset has its own intent log. The log header (zil_header_t) | |
48 | * for objset N's intent log is kept in the Nth object of the SPA's | |
49 | * intent_log objset. The log header points to a chain of log blocks, | |
50 | * each of which contains log records (i.e., transactions) followed by | |
51 | * a log block trailer (zil_trailer_t). The format of a log record | |
52 | * depends on the record (or transaction) type, but all records begin | |
53 | * with a common structure that defines the type, length, and txg. | |
54 | */ | |
55 | ||
56 | /* | |
57 | * Intent log header - this on disk structure holds fields to manage | |
58 | * the log. All fields are 64 bit to easily handle cross architectures. | |
59 | */ | |
60 | typedef struct zil_header { | |
61 | uint64_t zh_claim_txg; /* txg in which log blocks were claimed */ | |
62 | uint64_t zh_replay_seq; /* highest replayed sequence number */ | |
63 | blkptr_t zh_log; /* log chain */ | |
428870ff | 64 | uint64_t zh_claim_blk_seq; /* highest claimed block sequence number */ |
9babb374 | 65 | uint64_t zh_flags; /* header flags */ |
428870ff BB |
66 | uint64_t zh_claim_lr_seq; /* highest claimed lr sequence number */ |
67 | uint64_t zh_pad[3]; | |
34dc7c2f BB |
68 | } zil_header_t; |
69 | ||
9babb374 BB |
70 | /* |
71 | * zh_flags bit settings | |
72 | */ | |
428870ff BB |
73 | #define ZIL_REPLAY_NEEDED 0x1 /* replay needed - internal only */ |
74 | #define ZIL_CLAIM_LR_SEQ_VALID 0x2 /* zh_claim_lr_seq field is valid */ | |
9babb374 | 75 | |
34dc7c2f | 76 | /* |
428870ff BB |
77 | * Log block chaining. |
78 | * | |
79 | * Log blocks are chained together. Originally they were chained at the | |
80 | * end of the block. For performance reasons the chain was moved to the | |
81 | * beginning of the block which allows writes for only the data being used. | |
82 | * The older position is supported for backwards compatability. | |
34dc7c2f | 83 | * |
428870ff | 84 | * The zio_eck_t contains a zec_cksum which for the intent log is |
34dc7c2f | 85 | * the sequence number of this log block. A seq of 0 is invalid. |
428870ff | 86 | * The zec_cksum is checked by the SPA against the sequence |
34dc7c2f BB |
87 | * number passed in the blk_cksum field of the blkptr_t |
88 | */ | |
428870ff BB |
89 | typedef struct zil_chain { |
90 | uint64_t zc_pad; | |
91 | blkptr_t zc_next_blk; /* next block in chain */ | |
92 | uint64_t zc_nused; /* bytes in log block used */ | |
93 | zio_eck_t zc_eck; /* block trailer */ | |
94 | } zil_chain_t; | |
34dc7c2f BB |
95 | |
96 | #define ZIL_MIN_BLKSZ 4096ULL | |
34dc7c2f | 97 | |
4747a7d3 MA |
98 | /* |
99 | * ziltest is by and large an ugly hack, but very useful in | |
100 | * checking replay without tedious work. | |
101 | * When running ziltest we want to keep all itx's and so maintain | |
102 | * a single list in the zl_itxg[] that uses a high txg: ZILTEST_TXG | |
103 | * We subtract TXG_CONCURRENT_STATES to allow for common code. | |
104 | */ | |
105 | #define ZILTEST_TXG (UINT64_MAX - TXG_CONCURRENT_STATES) | |
106 | ||
34dc7c2f BB |
107 | /* |
108 | * The words of a log block checksum. | |
109 | */ | |
110 | #define ZIL_ZC_GUID_0 0 | |
111 | #define ZIL_ZC_GUID_1 1 | |
112 | #define ZIL_ZC_OBJSET 2 | |
113 | #define ZIL_ZC_SEQ 3 | |
114 | ||
115 | typedef enum zil_create { | |
116 | Z_FILE, | |
117 | Z_DIR, | |
118 | Z_XATTRDIR, | |
119 | } zil_create_t; | |
120 | ||
121 | /* | |
122 | * size of xvattr log section. | |
123 | * its composed of lr_attr_t + xvattr bitmap + 2 64 bit timestamps | |
124 | * for create time and a single 64 bit integer for all of the attributes, | |
125 | * and 4 64 bit integers (32 bytes) for the scanstamp. | |
126 | * | |
127 | */ | |
128 | ||
129 | #define ZIL_XVAT_SIZE(mapsize) \ | |
130 | sizeof (lr_attr_t) + (sizeof (uint32_t) * (mapsize - 1)) + \ | |
131 | (sizeof (uint64_t) * 7) | |
132 | ||
133 | /* | |
134 | * Size of ACL in log. The ACE data is padded out to properly align | |
135 | * on 8 byte boundary. | |
136 | */ | |
137 | ||
138 | #define ZIL_ACE_LENGTH(x) (roundup(x, sizeof (uint64_t))) | |
139 | ||
140 | /* | |
141 | * Intent log transaction types and record structures | |
142 | */ | |
143 | #define TX_CREATE 1 /* Create file */ | |
144 | #define TX_MKDIR 2 /* Make directory */ | |
145 | #define TX_MKXATTR 3 /* Make XATTR directory */ | |
146 | #define TX_SYMLINK 4 /* Create symbolic link to a file */ | |
147 | #define TX_REMOVE 5 /* Remove file */ | |
148 | #define TX_RMDIR 6 /* Remove directory */ | |
149 | #define TX_LINK 7 /* Create hard link to a file */ | |
150 | #define TX_RENAME 8 /* Rename a file */ | |
151 | #define TX_WRITE 9 /* File write */ | |
152 | #define TX_TRUNCATE 10 /* Truncate a file */ | |
153 | #define TX_SETATTR 11 /* Set file attributes */ | |
154 | #define TX_ACL_V0 12 /* Set old formatted ACL */ | |
155 | #define TX_ACL 13 /* Set ACL */ | |
156 | #define TX_CREATE_ACL 14 /* create with ACL */ | |
157 | #define TX_CREATE_ATTR 15 /* create + attrs */ | |
158 | #define TX_CREATE_ACL_ATTR 16 /* create with ACL + attrs */ | |
159 | #define TX_MKDIR_ACL 17 /* mkdir with ACL */ | |
160 | #define TX_MKDIR_ATTR 18 /* mkdir with attr */ | |
161 | #define TX_MKDIR_ACL_ATTR 19 /* mkdir with ACL + attrs */ | |
428870ff BB |
162 | #define TX_WRITE2 20 /* dmu_sync EALREADY write */ |
163 | #define TX_MAX_TYPE 21 /* Max transaction type */ | |
34dc7c2f BB |
164 | |
165 | /* | |
166 | * The transactions for mkdir, symlink, remove, rmdir, link, and rename | |
167 | * may have the following bit set, indicating the original request | |
168 | * specified case-insensitive handling of names. | |
169 | */ | |
170 | #define TX_CI ((uint64_t)0x1 << 63) /* case-insensitive behavior requested */ | |
171 | ||
428870ff BB |
172 | /* |
173 | * Transactions for write, truncate, setattr, acl_v0, and acl can be logged | |
174 | * out of order. For convenience in the code, all such records must have | |
175 | * lr_foid at the same offset. | |
176 | */ | |
177 | #define TX_OOO(txtype) \ | |
178 | ((txtype) == TX_WRITE || \ | |
179 | (txtype) == TX_TRUNCATE || \ | |
180 | (txtype) == TX_SETATTR || \ | |
181 | (txtype) == TX_ACL_V0 || \ | |
182 | (txtype) == TX_ACL || \ | |
183 | (txtype) == TX_WRITE2) | |
184 | ||
50c957f7 NB |
185 | /* |
186 | * The number of dnode slots consumed by the object is stored in the 8 | |
187 | * unused upper bits of the object ID. We subtract 1 from the value | |
188 | * stored on disk for compatibility with implementations that don't | |
189 | * support large dnodes. The slot count for a single-slot dnode will | |
190 | * contain 0 for those bits to preserve the log record format for | |
191 | * "small" dnodes. | |
192 | */ | |
193 | #define LR_FOID_GET_SLOTS(oid) (BF64_GET((oid), 56, 8) + 1) | |
194 | #define LR_FOID_SET_SLOTS(oid, x) BF64_SET((oid), 56, 8, (x) - 1) | |
195 | #define LR_FOID_GET_OBJ(oid) BF64_GET((oid), 0, DN_MAX_OBJECT_SHIFT) | |
196 | #define LR_FOID_SET_OBJ(oid, x) BF64_SET((oid), 0, DN_MAX_OBJECT_SHIFT, (x)) | |
197 | ||
34dc7c2f BB |
198 | /* |
199 | * Format of log records. | |
200 | * The fields are carefully defined to allow them to be aligned | |
201 | * and sized the same on sparc & intel architectures. | |
202 | * Each log record has a common structure at the beginning. | |
203 | * | |
572e2857 BB |
204 | * The log record on disk (lrc_seq) holds the sequence number of all log |
205 | * records which is used to ensure we don't replay the same record. | |
34dc7c2f BB |
206 | */ |
207 | typedef struct { /* common log record header */ | |
208 | uint64_t lrc_txtype; /* intent log transaction type */ | |
209 | uint64_t lrc_reclen; /* transaction record length */ | |
210 | uint64_t lrc_txg; /* dmu transaction group number */ | |
211 | uint64_t lrc_seq; /* see comment above */ | |
212 | } lr_t; | |
213 | ||
428870ff BB |
214 | /* |
215 | * Common start of all out-of-order record types (TX_OOO() above). | |
216 | */ | |
217 | typedef struct { | |
218 | lr_t lr_common; /* common portion of log record */ | |
219 | uint64_t lr_foid; /* object id */ | |
220 | } lr_ooo_t; | |
221 | ||
34dc7c2f BB |
222 | /* |
223 | * Handle option extended vattr attributes. | |
224 | * | |
225 | * Whenever new attributes are added the version number | |
226 | * will need to be updated as will code in | |
227 | * zfs_log.c and zfs_replay.c | |
228 | */ | |
229 | typedef struct { | |
230 | uint32_t lr_attr_masksize; /* number of elements in array */ | |
231 | uint32_t lr_attr_bitmap; /* First entry of array */ | |
232 | /* remainder of array and any additional fields */ | |
233 | } lr_attr_t; | |
234 | ||
235 | /* | |
236 | * log record for creates without optional ACL. | |
237 | * This log record does support optional xvattr_t attributes. | |
238 | */ | |
239 | typedef struct { | |
240 | lr_t lr_common; /* common portion of log record */ | |
241 | uint64_t lr_doid; /* object id of directory */ | |
242 | uint64_t lr_foid; /* object id of created file object */ | |
243 | uint64_t lr_mode; /* mode of object */ | |
244 | uint64_t lr_uid; /* uid of object */ | |
245 | uint64_t lr_gid; /* gid of object */ | |
246 | uint64_t lr_gen; /* generation (txg of creation) */ | |
247 | uint64_t lr_crtime[2]; /* creation time */ | |
248 | uint64_t lr_rdev; /* rdev of object to create */ | |
249 | /* name of object to create follows this */ | |
250 | /* for symlinks, link content follows name */ | |
251 | /* for creates with xvattr data, the name follows the xvattr info */ | |
252 | } lr_create_t; | |
253 | ||
254 | /* | |
255 | * FUID ACL record will be an array of ACEs from the original ACL. | |
256 | * If this array includes ephemeral IDs, the record will also include | |
257 | * an array of log-specific FUIDs to replace the ephemeral IDs. | |
258 | * Only one copy of each unique domain will be present, so the log-specific | |
259 | * FUIDs will use an index into a compressed domain table. On replay this | |
260 | * information will be used to construct real FUIDs (and bypass idmap, | |
261 | * since it may not be available). | |
262 | */ | |
263 | ||
264 | /* | |
265 | * Log record for creates with optional ACL | |
266 | * This log record is also used for recording any FUID | |
267 | * information needed for replaying the create. If the | |
268 | * file doesn't have any actual ACEs then the lr_aclcnt | |
269 | * would be zero. | |
d3cc8b15 WA |
270 | * |
271 | * After lr_acl_flags, there are a lr_acl_bytes number of variable sized ace's. | |
272 | * If create is also setting xvattr's, then acl data follows xvattr. | |
273 | * If ACE FUIDs are needed then they will follow the xvattr_t. Following | |
274 | * the FUIDs will be the domain table information. The FUIDs for the owner | |
275 | * and group will be in lr_create. Name follows ACL data. | |
34dc7c2f BB |
276 | */ |
277 | typedef struct { | |
278 | lr_create_t lr_create; /* common create portion */ | |
279 | uint64_t lr_aclcnt; /* number of ACEs in ACL */ | |
280 | uint64_t lr_domcnt; /* number of unique domains */ | |
281 | uint64_t lr_fuidcnt; /* number of real fuids */ | |
282 | uint64_t lr_acl_bytes; /* number of bytes in ACL */ | |
283 | uint64_t lr_acl_flags; /* ACL flags */ | |
34dc7c2f BB |
284 | } lr_acl_create_t; |
285 | ||
286 | typedef struct { | |
287 | lr_t lr_common; /* common portion of log record */ | |
288 | uint64_t lr_doid; /* obj id of directory */ | |
289 | /* name of object to remove follows this */ | |
290 | } lr_remove_t; | |
291 | ||
292 | typedef struct { | |
293 | lr_t lr_common; /* common portion of log record */ | |
294 | uint64_t lr_doid; /* obj id of directory */ | |
295 | uint64_t lr_link_obj; /* obj id of link */ | |
296 | /* name of object to link follows this */ | |
297 | } lr_link_t; | |
298 | ||
299 | typedef struct { | |
300 | lr_t lr_common; /* common portion of log record */ | |
301 | uint64_t lr_sdoid; /* obj id of source directory */ | |
302 | uint64_t lr_tdoid; /* obj id of target directory */ | |
303 | /* 2 strings: names of source and destination follow this */ | |
304 | } lr_rename_t; | |
305 | ||
306 | typedef struct { | |
307 | lr_t lr_common; /* common portion of log record */ | |
308 | uint64_t lr_foid; /* file object to write */ | |
309 | uint64_t lr_offset; /* offset to write to */ | |
310 | uint64_t lr_length; /* user data length to write */ | |
428870ff | 311 | uint64_t lr_blkoff; /* no longer used */ |
34dc7c2f BB |
312 | blkptr_t lr_blkptr; /* spa block pointer for replay */ |
313 | /* write data will follow for small writes */ | |
314 | } lr_write_t; | |
315 | ||
316 | typedef struct { | |
317 | lr_t lr_common; /* common portion of log record */ | |
318 | uint64_t lr_foid; /* object id of file to truncate */ | |
319 | uint64_t lr_offset; /* offset to truncate from */ | |
320 | uint64_t lr_length; /* length to truncate */ | |
321 | } lr_truncate_t; | |
322 | ||
323 | typedef struct { | |
324 | lr_t lr_common; /* common portion of log record */ | |
325 | uint64_t lr_foid; /* file object to change attributes */ | |
326 | uint64_t lr_mask; /* mask of attributes to set */ | |
327 | uint64_t lr_mode; /* mode to set */ | |
328 | uint64_t lr_uid; /* uid to set */ | |
329 | uint64_t lr_gid; /* gid to set */ | |
330 | uint64_t lr_size; /* size to set */ | |
331 | uint64_t lr_atime[2]; /* access time */ | |
332 | uint64_t lr_mtime[2]; /* modification time */ | |
333 | /* optional attribute lr_attr_t may be here */ | |
334 | } lr_setattr_t; | |
335 | ||
336 | typedef struct { | |
337 | lr_t lr_common; /* common portion of log record */ | |
338 | uint64_t lr_foid; /* obj id of file */ | |
339 | uint64_t lr_aclcnt; /* number of acl entries */ | |
340 | /* lr_aclcnt number of ace_t entries follow this */ | |
341 | } lr_acl_v0_t; | |
342 | ||
343 | typedef struct { | |
344 | lr_t lr_common; /* common portion of log record */ | |
345 | uint64_t lr_foid; /* obj id of file */ | |
346 | uint64_t lr_aclcnt; /* number of ACEs in ACL */ | |
347 | uint64_t lr_domcnt; /* number of unique domains */ | |
348 | uint64_t lr_fuidcnt; /* number of real fuids */ | |
349 | uint64_t lr_acl_bytes; /* number of bytes in ACL */ | |
350 | uint64_t lr_acl_flags; /* ACL flags */ | |
351 | /* lr_acl_bytes number of variable sized ace's follows */ | |
352 | } lr_acl_t; | |
353 | ||
354 | /* | |
355 | * ZIL structure definitions, interface function prototype and globals. | |
356 | */ | |
357 | ||
358 | /* | |
9babb374 BB |
359 | * Writes are handled in three different ways: |
360 | * | |
361 | * WR_INDIRECT: | |
362 | * In this mode, if we need to commit the write later, then the block | |
363 | * is immediately written into the file system (using dmu_sync), | |
364 | * and a pointer to the block is put into the log record. | |
365 | * When the txg commits the block is linked in. | |
366 | * This saves additionally writing the data into the log record. | |
367 | * There are a few requirements for this to occur: | |
368 | * - write is greater than zfs/zvol_immediate_write_sz | |
369 | * - not using slogs (as slogs are assumed to always be faster | |
370 | * than writing into the main pool) | |
371 | * - the write occupies only one block | |
372 | * WR_COPIED: | |
373 | * If we know we'll immediately be committing the | |
834f1e42 | 374 | * transaction (FSYNC or FDSYNC), then we allocate a larger |
9babb374 BB |
375 | * log record here for the data and copy the data in. |
376 | * WR_NEED_COPY: | |
377 | * Otherwise we don't allocate a buffer, and *if* we need to | |
378 | * flush the write later then a buffer is allocated and | |
379 | * we retrieve the data using the dmu. | |
34dc7c2f BB |
380 | */ |
381 | typedef enum { | |
382 | WR_INDIRECT, /* indirect - a large write (dmu_sync() data */ | |
383 | /* and put blkptr in log, rather than actual data) */ | |
384 | WR_COPIED, /* immediate - data is copied into lr_write_t */ | |
385 | WR_NEED_COPY, /* immediate - data needs to be copied if pushed */ | |
428870ff | 386 | WR_NUM_STATES /* number of states */ |
34dc7c2f BB |
387 | } itx_wr_state_t; |
388 | ||
119a394a ED |
389 | typedef void (*zil_callback_t)(void *data); |
390 | ||
34dc7c2f BB |
391 | typedef struct itx { |
392 | list_node_t itx_node; /* linkage on zl_itx_list */ | |
393 | void *itx_private; /* type-specific opaque data */ | |
394 | itx_wr_state_t itx_wr_state; /* write state */ | |
395 | uint8_t itx_sync; /* synchronous transaction */ | |
119a394a ED |
396 | zil_callback_t itx_callback; /* Called when the itx is persistent */ |
397 | void *itx_callback_data; /* User data for the callback */ | |
572e2857 | 398 | uint64_t itx_oid; /* object id */ |
34dc7c2f BB |
399 | lr_t itx_lr; /* common part of log record */ |
400 | /* followed by type-specific part of lr_xx_t and its immediate data */ | |
401 | } itx_t; | |
402 | ||
b6ad9671 ED |
403 | /* |
404 | * Used for zil kstat. | |
405 | */ | |
406 | typedef struct zil_stats { | |
407 | /* | |
408 | * Number of times a ZIL commit (e.g. fsync) has been requested. | |
409 | */ | |
410 | kstat_named_t zil_commit_count; | |
411 | ||
412 | /* | |
413 | * Number of times the ZIL has been flushed to stable storage. | |
414 | * This is less than zil_commit_count when commits are "merged" | |
415 | * (see the documentation above zil_commit()). | |
416 | */ | |
417 | kstat_named_t zil_commit_writer_count; | |
418 | ||
419 | /* | |
420 | * Number of transactions (reads, writes, renames, etc.) | |
421 | * that have been commited. | |
422 | */ | |
423 | kstat_named_t zil_itx_count; | |
424 | ||
425 | /* | |
426 | * See the documentation for itx_wr_state_t above. | |
427 | * Note that "bytes" accumulates the length of the transactions | |
428 | * (i.e. data), not the actual log record sizes. | |
429 | */ | |
430 | kstat_named_t zil_itx_indirect_count; | |
431 | kstat_named_t zil_itx_indirect_bytes; | |
432 | kstat_named_t zil_itx_copied_count; | |
433 | kstat_named_t zil_itx_copied_bytes; | |
434 | kstat_named_t zil_itx_needcopy_count; | |
435 | kstat_named_t zil_itx_needcopy_bytes; | |
436 | ||
437 | /* | |
438 | * Transactions which have been allocated to the "normal" | |
439 | * (i.e. not slog) storage pool. Note that "bytes" accumulate | |
440 | * the actual log record sizes - which do not include the actual | |
441 | * data in case of indirect writes. | |
442 | */ | |
443 | kstat_named_t zil_itx_metaslab_normal_count; | |
444 | kstat_named_t zil_itx_metaslab_normal_bytes; | |
445 | ||
446 | /* | |
447 | * Transactions which have been allocated to the "slog" storage pool. | |
448 | * If there are no separate log devices, this is the same as the | |
449 | * "normal" pool. | |
450 | */ | |
451 | kstat_named_t zil_itx_metaslab_slog_count; | |
452 | kstat_named_t zil_itx_metaslab_slog_bytes; | |
453 | } zil_stats_t; | |
454 | ||
455 | extern zil_stats_t zil_stats; | |
456 | ||
d1d7e268 | 457 | #define ZIL_STAT_INCR(stat, val) \ |
b6ad9671 | 458 | atomic_add_64(&zil_stats.stat.value.ui64, (val)); |
d1d7e268 | 459 | #define ZIL_STAT_BUMP(stat) \ |
b6ad9671 ED |
460 | ZIL_STAT_INCR(stat, 1); |
461 | ||
428870ff | 462 | typedef int zil_parse_blk_func_t(zilog_t *zilog, blkptr_t *bp, void *arg, |
34dc7c2f | 463 | uint64_t txg); |
428870ff | 464 | typedef int zil_parse_lr_func_t(zilog_t *zilog, lr_t *lr, void *arg, |
34dc7c2f | 465 | uint64_t txg); |
867959b5 | 466 | typedef int zil_replay_func_t(void *arg1, void *arg2, boolean_t byteswap); |
34dc7c2f BB |
467 | typedef int zil_get_data_t(void *arg, lr_write_t *lr, char *dbuf, zio_t *zio); |
468 | ||
428870ff | 469 | extern int zil_parse(zilog_t *zilog, zil_parse_blk_func_t *parse_blk_func, |
b5256303 TC |
470 | zil_parse_lr_func_t *parse_lr_func, void *arg, uint64_t txg, |
471 | boolean_t decrypt); | |
34dc7c2f BB |
472 | |
473 | extern void zil_init(void); | |
474 | extern void zil_fini(void); | |
475 | ||
476 | extern zilog_t *zil_alloc(objset_t *os, zil_header_t *zh_phys); | |
477 | extern void zil_free(zilog_t *zilog); | |
478 | ||
479 | extern zilog_t *zil_open(objset_t *os, zil_get_data_t *get_data); | |
480 | extern void zil_close(zilog_t *zilog); | |
481 | ||
fb5f0bc8 | 482 | extern void zil_replay(objset_t *os, void *arg, |
867959b5 | 483 | zil_replay_func_t *replay_func[TX_MAX_TYPE]); |
428870ff | 484 | extern boolean_t zil_replaying(zilog_t *zilog, dmu_tx_t *tx); |
34dc7c2f | 485 | extern void zil_destroy(zilog_t *zilog, boolean_t keep_first); |
29809a6c | 486 | extern void zil_destroy_sync(zilog_t *zilog, dmu_tx_t *tx); |
34dc7c2f BB |
487 | |
488 | extern itx_t *zil_itx_create(uint64_t txtype, size_t lrsize); | |
428870ff | 489 | extern void zil_itx_destroy(itx_t *itx); |
572e2857 | 490 | extern void zil_itx_assign(zilog_t *zilog, itx_t *itx, dmu_tx_t *tx); |
34dc7c2f | 491 | |
572e2857 | 492 | extern void zil_commit(zilog_t *zilog, uint64_t oid); |
34dc7c2f | 493 | |
428870ff | 494 | extern int zil_vdev_offline(const char *osname, void *txarg); |
9c43027b AJ |
495 | extern int zil_claim(struct dsl_pool *dp, |
496 | struct dsl_dataset *ds, void *txarg); | |
497 | extern int zil_check_log_chain(struct dsl_pool *dp, | |
498 | struct dsl_dataset *ds, void *tx); | |
34dc7c2f | 499 | extern void zil_sync(zilog_t *zilog, dmu_tx_t *tx); |
572e2857 | 500 | extern void zil_clean(zilog_t *zilog, uint64_t synced_txg); |
34dc7c2f | 501 | |
13fe0198 MA |
502 | extern int zil_suspend(const char *osname, void **cookiep); |
503 | extern void zil_resume(void *cookie); | |
34dc7c2f | 504 | |
428870ff BB |
505 | extern void zil_add_block(zilog_t *zilog, const blkptr_t *bp); |
506 | extern int zil_bp_tree_add(zilog_t *zilog, const blkptr_t *bp); | |
507 | ||
508 | extern void zil_set_sync(zilog_t *zilog, uint64_t syncval); | |
509 | ||
510 | extern void zil_set_logbias(zilog_t *zilog, uint64_t slogval); | |
34dc7c2f | 511 | |
428870ff | 512 | extern int zil_replay_disable; |
34dc7c2f BB |
513 | |
514 | #ifdef __cplusplus | |
515 | } | |
516 | #endif | |
517 | ||
518 | #endif /* _SYS_ZIL_H */ |