2 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 #ifndef __XFS_TRANS_H__
19 #define __XFS_TRANS_H__
24 * This is the structure written in the log at the head of
25 * every transaction. It identifies the type and id of the
26 * transaction, and contains the number of items logged by
27 * the transaction so we know how many to expect during recovery.
29 * Do not change the below structure without redoing the code in
30 * xlog_recover_add_to_trans() and xlog_recover_add_to_cont_trans().
32 typedef struct xfs_trans_header {
33 uint th_magic; /* magic number */
34 uint th_type; /* transaction type */
35 __int32_t th_tid; /* transaction id (unused) */
36 uint th_num_items; /* num items logged by trans */
39 #define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */
44 #define XFS_LI_EFI 0x1236
45 #define XFS_LI_EFD 0x1237
46 #define XFS_LI_IUNLINK 0x1238
47 #define XFS_LI_INODE 0x123b /* aligned ino chunks, var-size ibufs */
48 #define XFS_LI_BUF 0x123c /* v2 bufs, variable sized inode bufs */
49 #define XFS_LI_DQUOT 0x123d
50 #define XFS_LI_QUOTAOFF 0x123e
52 #define XFS_LI_TYPE_DESC \
53 { XFS_LI_EFI, "XFS_LI_EFI" }, \
54 { XFS_LI_EFD, "XFS_LI_EFD" }, \
55 { XFS_LI_IUNLINK, "XFS_LI_IUNLINK" }, \
56 { XFS_LI_INODE, "XFS_LI_INODE" }, \
57 { XFS_LI_BUF, "XFS_LI_BUF" }, \
58 { XFS_LI_DQUOT, "XFS_LI_DQUOT" }, \
59 { XFS_LI_QUOTAOFF, "XFS_LI_QUOTAOFF" }
62 * Transaction types. Used to distinguish types of buffers.
64 #define XFS_TRANS_SETATTR_NOT_SIZE 1
65 #define XFS_TRANS_SETATTR_SIZE 2
66 #define XFS_TRANS_INACTIVE 3
67 #define XFS_TRANS_CREATE 4
68 #define XFS_TRANS_CREATE_TRUNC 5
69 #define XFS_TRANS_TRUNCATE_FILE 6
70 #define XFS_TRANS_REMOVE 7
71 #define XFS_TRANS_LINK 8
72 #define XFS_TRANS_RENAME 9
73 #define XFS_TRANS_MKDIR 10
74 #define XFS_TRANS_RMDIR 11
75 #define XFS_TRANS_SYMLINK 12
76 #define XFS_TRANS_SET_DMATTRS 13
77 #define XFS_TRANS_GROWFS 14
78 #define XFS_TRANS_STRAT_WRITE 15
79 #define XFS_TRANS_DIOSTRAT 16
80 /* 17 was XFS_TRANS_WRITE_SYNC */
81 #define XFS_TRANS_WRITEID 18
82 #define XFS_TRANS_ADDAFORK 19
83 #define XFS_TRANS_ATTRINVAL 20
84 #define XFS_TRANS_ATRUNCATE 21
85 #define XFS_TRANS_ATTR_SET 22
86 #define XFS_TRANS_ATTR_RM 23
87 #define XFS_TRANS_ATTR_FLAG 24
88 #define XFS_TRANS_CLEAR_AGI_BUCKET 25
89 #define XFS_TRANS_QM_SBCHANGE 26
91 * Dummy entries since we use the transaction type to index into the
92 * trans_type[] in xlog_recover_print_trans_head()
94 #define XFS_TRANS_DUMMY1 27
95 #define XFS_TRANS_DUMMY2 28
96 #define XFS_TRANS_QM_QUOTAOFF 29
97 #define XFS_TRANS_QM_DQALLOC 30
98 #define XFS_TRANS_QM_SETQLIM 31
99 #define XFS_TRANS_QM_DQCLUSTER 32
100 #define XFS_TRANS_QM_QINOCREATE 33
101 #define XFS_TRANS_QM_QUOTAOFF_END 34
102 #define XFS_TRANS_SB_UNIT 35
103 #define XFS_TRANS_FSYNC_TS 36
104 #define XFS_TRANS_GROWFSRT_ALLOC 37
105 #define XFS_TRANS_GROWFSRT_ZERO 38
106 #define XFS_TRANS_GROWFSRT_FREE 39
107 #define XFS_TRANS_SWAPEXT 40
108 #define XFS_TRANS_SB_COUNT 41
109 #define XFS_TRANS_CHECKPOINT 42
110 #define XFS_TRANS_TYPE_MAX 42
111 /* new transaction types need to be reflected in xfs_logprint(8) */
113 #define XFS_TRANS_TYPES \
114 { XFS_TRANS_SETATTR_NOT_SIZE, "SETATTR_NOT_SIZE" }, \
115 { XFS_TRANS_SETATTR_SIZE, "SETATTR_SIZE" }, \
116 { XFS_TRANS_INACTIVE, "INACTIVE" }, \
117 { XFS_TRANS_CREATE, "CREATE" }, \
118 { XFS_TRANS_CREATE_TRUNC, "CREATE_TRUNC" }, \
119 { XFS_TRANS_TRUNCATE_FILE, "TRUNCATE_FILE" }, \
120 { XFS_TRANS_REMOVE, "REMOVE" }, \
121 { XFS_TRANS_LINK, "LINK" }, \
122 { XFS_TRANS_RENAME, "RENAME" }, \
123 { XFS_TRANS_MKDIR, "MKDIR" }, \
124 { XFS_TRANS_RMDIR, "RMDIR" }, \
125 { XFS_TRANS_SYMLINK, "SYMLINK" }, \
126 { XFS_TRANS_SET_DMATTRS, "SET_DMATTRS" }, \
127 { XFS_TRANS_GROWFS, "GROWFS" }, \
128 { XFS_TRANS_STRAT_WRITE, "STRAT_WRITE" }, \
129 { XFS_TRANS_DIOSTRAT, "DIOSTRAT" }, \
130 { XFS_TRANS_WRITEID, "WRITEID" }, \
131 { XFS_TRANS_ADDAFORK, "ADDAFORK" }, \
132 { XFS_TRANS_ATTRINVAL, "ATTRINVAL" }, \
133 { XFS_TRANS_ATRUNCATE, "ATRUNCATE" }, \
134 { XFS_TRANS_ATTR_SET, "ATTR_SET" }, \
135 { XFS_TRANS_ATTR_RM, "ATTR_RM" }, \
136 { XFS_TRANS_ATTR_FLAG, "ATTR_FLAG" }, \
137 { XFS_TRANS_CLEAR_AGI_BUCKET, "CLEAR_AGI_BUCKET" }, \
138 { XFS_TRANS_QM_SBCHANGE, "QM_SBCHANGE" }, \
139 { XFS_TRANS_QM_QUOTAOFF, "QM_QUOTAOFF" }, \
140 { XFS_TRANS_QM_DQALLOC, "QM_DQALLOC" }, \
141 { XFS_TRANS_QM_SETQLIM, "QM_SETQLIM" }, \
142 { XFS_TRANS_QM_DQCLUSTER, "QM_DQCLUSTER" }, \
143 { XFS_TRANS_QM_QINOCREATE, "QM_QINOCREATE" }, \
144 { XFS_TRANS_QM_QUOTAOFF_END, "QM_QOFF_END" }, \
145 { XFS_TRANS_SB_UNIT, "SB_UNIT" }, \
146 { XFS_TRANS_FSYNC_TS, "FSYNC_TS" }, \
147 { XFS_TRANS_GROWFSRT_ALLOC, "GROWFSRT_ALLOC" }, \
148 { XFS_TRANS_GROWFSRT_ZERO, "GROWFSRT_ZERO" }, \
149 { XFS_TRANS_GROWFSRT_FREE, "GROWFSRT_FREE" }, \
150 { XFS_TRANS_SWAPEXT, "SWAPEXT" }, \
151 { XFS_TRANS_SB_COUNT, "SB_COUNT" }, \
152 { XFS_TRANS_CHECKPOINT, "CHECKPOINT" }, \
153 { XFS_TRANS_DUMMY1, "DUMMY1" }, \
154 { XFS_TRANS_DUMMY2, "DUMMY2" }, \
155 { XLOG_UNMOUNT_REC_TYPE, "UNMOUNT" }
158 * This structure is used to track log items associated with
159 * a transaction. It points to the log item and keeps some
160 * flags to track the state of the log item. It also tracks
161 * the amount of space needed to log the item it describes
162 * once we get to commit processing (see xfs_trans_commit()).
164 typedef struct xfs_log_item_desc {
165 struct xfs_log_item *lid_item;
167 unsigned char lid_flags;
168 unsigned char lid_index;
169 } xfs_log_item_desc_t;
171 #define XFS_LID_DIRTY 0x1
172 #define XFS_LID_PINNED 0x2
175 * This structure is used to maintain a chunk list of log_item_desc
176 * structures. The free field is a bitmask indicating which descriptors
177 * in this chunk's array are free. The unused field is the first value
178 * not used since this chunk was allocated.
180 #define XFS_LIC_NUM_SLOTS 15
181 typedef struct xfs_log_item_chunk {
182 struct xfs_log_item_chunk *lic_next;
185 xfs_log_item_desc_t lic_descs[XFS_LIC_NUM_SLOTS];
186 } xfs_log_item_chunk_t;
188 #define XFS_LIC_MAX_SLOT (XFS_LIC_NUM_SLOTS - 1)
189 #define XFS_LIC_FREEMASK ((1 << XFS_LIC_NUM_SLOTS) - 1)
193 * Initialize the given chunk. Set the chunk's free descriptor mask
194 * to indicate that all descriptors are free. The caller gets to set
195 * lic_unused to the right value (0 matches all free). The
196 * lic_descs.lid_index values are set up as each desc is allocated.
198 static inline void xfs_lic_init(xfs_log_item_chunk_t *cp)
200 cp->lic_free = XFS_LIC_FREEMASK;
203 static inline void xfs_lic_init_slot(xfs_log_item_chunk_t *cp, int slot)
205 cp->lic_descs[slot].lid_index = (unsigned char)(slot);
208 static inline int xfs_lic_vacancy(xfs_log_item_chunk_t *cp)
210 return cp->lic_free & XFS_LIC_FREEMASK;
213 static inline void xfs_lic_all_free(xfs_log_item_chunk_t *cp)
215 cp->lic_free = XFS_LIC_FREEMASK;
218 static inline int xfs_lic_are_all_free(xfs_log_item_chunk_t *cp)
220 return ((cp->lic_free & XFS_LIC_FREEMASK) == XFS_LIC_FREEMASK);
223 static inline int xfs_lic_isfree(xfs_log_item_chunk_t *cp, int slot)
225 return (cp->lic_free & (1 << slot));
228 static inline void xfs_lic_claim(xfs_log_item_chunk_t *cp, int slot)
230 cp->lic_free &= ~(1 << slot);
233 static inline void xfs_lic_relse(xfs_log_item_chunk_t *cp, int slot)
235 cp->lic_free |= 1 << slot;
238 static inline xfs_log_item_desc_t *
239 xfs_lic_slot(xfs_log_item_chunk_t *cp, int slot)
241 return &(cp->lic_descs[slot]);
244 static inline int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp)
246 return (uint)dp->lid_index;
250 * Calculate the address of a chunk given a descriptor pointer:
251 * dp - dp->lid_index give the address of the start of the lic_descs array.
252 * From this we subtract the offset of the lic_descs field in a chunk.
253 * All of this yields the address of the chunk, which is
254 * cast to a chunk pointer.
256 static inline xfs_log_item_chunk_t *
257 xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
259 return (xfs_log_item_chunk_t*) \
260 (((xfs_caddr_t)((dp) - (dp)->lid_index)) - \
261 (xfs_caddr_t)(((xfs_log_item_chunk_t*)0)->lic_descs));
264 #define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */
266 * Values for t_flags.
268 #define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */
269 #define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */
270 #define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */
271 #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */
272 #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */
273 #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */
276 * Values for call flags parameter.
278 #define XFS_TRANS_NOSLEEP 0x1
279 #define XFS_TRANS_WAIT 0x2
280 #define XFS_TRANS_RELEASE_LOG_RES 0x4
281 #define XFS_TRANS_ABORT 0x8
284 * Field values for xfs_trans_mod_sb.
286 #define XFS_TRANS_SB_ICOUNT 0x00000001
287 #define XFS_TRANS_SB_IFREE 0x00000002
288 #define XFS_TRANS_SB_FDBLOCKS 0x00000004
289 #define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008
290 #define XFS_TRANS_SB_FREXTENTS 0x00000010
291 #define XFS_TRANS_SB_RES_FREXTENTS 0x00000020
292 #define XFS_TRANS_SB_DBLOCKS 0x00000040
293 #define XFS_TRANS_SB_AGCOUNT 0x00000080
294 #define XFS_TRANS_SB_IMAXPCT 0x00000100
295 #define XFS_TRANS_SB_REXTSIZE 0x00000200
296 #define XFS_TRANS_SB_RBMBLOCKS 0x00000400
297 #define XFS_TRANS_SB_RBLOCKS 0x00000800
298 #define XFS_TRANS_SB_REXTENTS 0x00001000
299 #define XFS_TRANS_SB_REXTSLOG 0x00002000
303 * Various log reservation values.
304 * These are based on the size of the file system block
305 * because that is what most transactions manipulate.
306 * Each adds in an additional 128 bytes per item logged to
307 * try to account for the overhead of the transaction mechanism.
310 * Most of the reservations underestimate the number of allocation
311 * groups into which they could free extents in the xfs_bmap_finish()
312 * call. This is because the number in the worst case is quite high
313 * and quite unusual. In order to fix this we need to change
314 * xfs_bmap_finish() to free extents in only a single AG at a time.
315 * This will require changes to the EFI code as well, however, so that
316 * the EFI for the extents not freed is logged again in each transaction.
321 * Per-extent log reservation for the allocation btree changes
322 * involved in freeing or allocating an extent.
323 * 2 trees * (2 blocks/level * max depth - 1) * block size
325 #define XFS_ALLOCFREE_LOG_RES(mp,nx) \
326 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1)))
327 #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \
328 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1)))
331 * Per-directory log reservation for any directory change.
332 * dir blocks: (1 btree block per level + data block + free block) * dblock size
333 * bmap btree: (levels + 2) * max depth * block size
334 * v2 directory blocks can be fragmented below the dirblksize down to the fsb
335 * size, so account for that in the DAENTER macros.
337 #define XFS_DIROP_LOG_RES(mp) \
338 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \
339 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)))
340 #define XFS_DIROP_LOG_COUNT(mp) \
341 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \
342 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)
345 * In a write transaction we can allocate a maximum of 2
346 * extents. This gives:
347 * the inode getting the new extents: inode size
348 * the inode's bmap btree: max depth * block size
349 * the agfs of the ags from which the extents are allocated: 2 * sector
350 * the superblock free block counter: sector size
351 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
352 * And the bmap_finish transaction can free bmap blocks in a join:
353 * the agfs of the ags containing the blocks: 2 * sector size
354 * the agfls of the ags containing the blocks: 2 * sector size
355 * the super block free block counter: sector size
356 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
358 #define XFS_CALC_WRITE_LOG_RES(mp) \
360 ((mp)->m_sb.sb_inodesize + \
361 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \
362 (2 * (mp)->m_sb.sb_sectsize) + \
363 (mp)->m_sb.sb_sectsize + \
364 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
365 (128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))),\
366 ((2 * (mp)->m_sb.sb_sectsize) + \
367 (2 * (mp)->m_sb.sb_sectsize) + \
368 (mp)->m_sb.sb_sectsize + \
369 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
370 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
372 #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write)
375 * In truncating a file we free up to two extents at once. We can modify:
376 * the inode being truncated: inode size
377 * the inode's bmap btree: (max depth + 1) * block size
378 * And the bmap_finish transaction can free the blocks and bmap blocks:
379 * the agf for each of the ags: 4 * sector size
380 * the agfl for each of the ags: 4 * sector size
381 * the super block to reflect the freed blocks: sector size
382 * worst case split in allocation btrees per extent assuming 4 extents:
383 * 4 exts * 2 trees * (2 * max depth - 1) * block size
384 * the inode btree: max depth * blocksize
385 * the allocation btrees: 2 trees * (max depth - 1) * block size
387 #define XFS_CALC_ITRUNCATE_LOG_RES(mp) \
389 ((mp)->m_sb.sb_inodesize + \
390 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + \
391 (128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \
392 ((4 * (mp)->m_sb.sb_sectsize) + \
393 (4 * (mp)->m_sb.sb_sectsize) + \
394 (mp)->m_sb.sb_sectsize + \
395 XFS_ALLOCFREE_LOG_RES(mp, 4) + \
396 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \
398 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
399 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \
400 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
402 #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate)
405 * In renaming a files we can modify:
406 * the four inodes involved: 4 * inode size
407 * the two directory btrees: 2 * (max depth + v2) * dir block size
408 * the two directory bmap btrees: 2 * max depth * block size
409 * And the bmap_finish transaction can free dir and bmap blocks (two sets
410 * of bmap blocks) giving:
411 * the agf for the ags in which the blocks live: 3 * sector size
412 * the agfl for the ags in which the blocks live: 3 * sector size
413 * the superblock for the free block count: sector size
414 * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size
416 #define XFS_CALC_RENAME_LOG_RES(mp) \
418 ((4 * (mp)->m_sb.sb_inodesize) + \
419 (2 * XFS_DIROP_LOG_RES(mp)) + \
420 (128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp)))), \
421 ((3 * (mp)->m_sb.sb_sectsize) + \
422 (3 * (mp)->m_sb.sb_sectsize) + \
423 (mp)->m_sb.sb_sectsize + \
424 XFS_ALLOCFREE_LOG_RES(mp, 3) + \
425 (128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3))))))
427 #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename)
430 * For creating a link to an inode:
431 * the parent directory inode: inode size
432 * the linked inode: inode size
433 * the directory btree could split: (max depth + v2) * dir block size
434 * the directory bmap btree could join or split: (max depth + v2) * blocksize
435 * And the bmap_finish transaction can free some bmap blocks giving:
436 * the agf for the ag in which the blocks live: sector size
437 * the agfl for the ag in which the blocks live: sector size
438 * the superblock for the free block count: sector size
439 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size
441 #define XFS_CALC_LINK_LOG_RES(mp) \
443 ((mp)->m_sb.sb_inodesize + \
444 (mp)->m_sb.sb_inodesize + \
445 XFS_DIROP_LOG_RES(mp) + \
446 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \
447 ((mp)->m_sb.sb_sectsize + \
448 (mp)->m_sb.sb_sectsize + \
449 (mp)->m_sb.sb_sectsize + \
450 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
451 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
453 #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link)
456 * For removing a directory entry we can modify:
457 * the parent directory inode: inode size
458 * the removed inode: inode size
459 * the directory btree could join: (max depth + v2) * dir block size
460 * the directory bmap btree could join or split: (max depth + v2) * blocksize
461 * And the bmap_finish transaction can free the dir and bmap blocks giving:
462 * the agf for the ag in which the blocks live: 2 * sector size
463 * the agfl for the ag in which the blocks live: 2 * sector size
464 * the superblock for the free block count: sector size
465 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
467 #define XFS_CALC_REMOVE_LOG_RES(mp) \
469 ((mp)->m_sb.sb_inodesize + \
470 (mp)->m_sb.sb_inodesize + \
471 XFS_DIROP_LOG_RES(mp) + \
472 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \
473 ((2 * (mp)->m_sb.sb_sectsize) + \
474 (2 * (mp)->m_sb.sb_sectsize) + \
475 (mp)->m_sb.sb_sectsize + \
476 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
477 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
479 #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove)
482 * For symlink we can modify:
483 * the parent directory inode: inode size
484 * the new inode: inode size
485 * the inode btree entry: 1 block
486 * the directory btree: (max depth + v2) * dir block size
487 * the directory inode's bmap btree: (max depth + v2) * block size
488 * the blocks for the symlink: 1 kB
489 * Or in the first xact we allocate some inodes giving:
490 * the agi and agf of the ag getting the new inodes: 2 * sectorsize
491 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize
492 * the inode btree: max depth * blocksize
493 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size
495 #define XFS_CALC_SYMLINK_LOG_RES(mp) \
497 ((mp)->m_sb.sb_inodesize + \
498 (mp)->m_sb.sb_inodesize + \
499 XFS_FSB_TO_B(mp, 1) + \
500 XFS_DIROP_LOG_RES(mp) + \
502 (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \
503 (2 * (mp)->m_sb.sb_sectsize + \
504 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \
505 XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \
506 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
507 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \
508 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
510 #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink)
513 * For create we can modify:
514 * the parent directory inode: inode size
515 * the new inode: inode size
516 * the inode btree entry: block size
517 * the superblock for the nlink flag: sector size
518 * the directory btree: (max depth + v2) * dir block size
519 * the directory inode's bmap btree: (max depth + v2) * block size
520 * Or in the first xact we allocate some inodes giving:
521 * the agi and agf of the ag getting the new inodes: 2 * sectorsize
522 * the superblock for the nlink flag: sector size
523 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize
524 * the inode btree: max depth * blocksize
525 * the allocation btrees: 2 trees * (max depth - 1) * block size
527 #define XFS_CALC_CREATE_LOG_RES(mp) \
529 ((mp)->m_sb.sb_inodesize + \
530 (mp)->m_sb.sb_inodesize + \
531 (mp)->m_sb.sb_sectsize + \
532 XFS_FSB_TO_B(mp, 1) + \
533 XFS_DIROP_LOG_RES(mp) + \
534 (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \
535 (3 * (mp)->m_sb.sb_sectsize + \
536 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \
537 XFS_FSB_TO_B((mp), (mp)->m_in_maxlevels) + \
538 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
539 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \
540 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
542 #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create)
545 * Making a new directory is the same as creating a new file.
547 #define XFS_CALC_MKDIR_LOG_RES(mp) XFS_CALC_CREATE_LOG_RES(mp)
549 #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir)
552 * In freeing an inode we can modify:
553 * the inode being freed: inode size
554 * the super block free inode counter: sector size
555 * the agi hash list and counters: sector size
556 * the inode btree entry: block size
557 * the on disk inode before ours in the agi hash list: inode cluster size
558 * the inode btree: max depth * blocksize
559 * the allocation btrees: 2 trees * (max depth - 1) * block size
561 #define XFS_CALC_IFREE_LOG_RES(mp) \
562 ((mp)->m_sb.sb_inodesize + \
563 (mp)->m_sb.sb_sectsize + \
564 (mp)->m_sb.sb_sectsize + \
565 XFS_FSB_TO_B((mp), 1) + \
566 MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \
568 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
569 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + (mp)->m_in_maxlevels + \
570 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
573 #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree)
576 * When only changing the inode we log the inode and possibly the superblock
577 * We also add a bit of slop for the transaction stuff.
579 #define XFS_CALC_ICHANGE_LOG_RES(mp) ((mp)->m_sb.sb_inodesize + \
580 (mp)->m_sb.sb_sectsize + 512)
582 #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange)
585 * Growing the data section of the filesystem.
590 #define XFS_CALC_GROWDATA_LOG_RES(mp) \
591 ((mp)->m_sb.sb_sectsize * 3 + \
592 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
593 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
595 #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata)
598 * Growing the rt section of the filesystem.
599 * In the first set of transactions (ALLOC) we allocate space to the
600 * bitmap or summary files.
601 * superblock: sector size
602 * agf of the ag from which the extent is allocated: sector size
603 * bmap btree for bitmap/summary inode: max depth * blocksize
604 * bitmap/summary inode: inode size
605 * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize
607 #define XFS_CALC_GROWRTALLOC_LOG_RES(mp) \
608 (2 * (mp)->m_sb.sb_sectsize + \
609 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \
610 (mp)->m_sb.sb_inodesize + \
611 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
613 (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + \
614 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
616 #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc)
619 * Growing the rt section of the filesystem.
620 * In the second set of transactions (ZERO) we zero the new metadata blocks.
621 * one bitmap/summary block: blocksize
623 #define XFS_CALC_GROWRTZERO_LOG_RES(mp) \
624 ((mp)->m_sb.sb_blocksize + 128)
626 #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero)
629 * Growing the rt section of the filesystem.
630 * In the third set of transactions (FREE) we update metadata without
631 * allocating any new blocks.
632 * superblock: sector size
633 * bitmap inode: inode size
634 * summary inode: inode size
635 * one bitmap block: blocksize
636 * summary blocks: new summary size
638 #define XFS_CALC_GROWRTFREE_LOG_RES(mp) \
639 ((mp)->m_sb.sb_sectsize + \
640 2 * (mp)->m_sb.sb_inodesize + \
641 (mp)->m_sb.sb_blocksize + \
645 #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree)
648 * Logging the inode modification timestamp on a synchronous write.
651 #define XFS_CALC_SWRITE_LOG_RES(mp) \
652 ((mp)->m_sb.sb_inodesize + 128)
654 #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
657 * Logging the inode timestamps on an fsync -- same as SWRITE
658 * as long as SWRITE logs the entire inode core
660 #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
663 * Logging the inode mode bits when writing a setuid/setgid file
666 #define XFS_CALC_WRITEID_LOG_RES(mp) \
667 ((mp)->m_sb.sb_inodesize + 128)
669 #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
672 * Converting the inode from non-attributed to attributed.
673 * the inode being converted: inode size
674 * agf block and superblock (for block allocation)
675 * the new block (directory sized)
676 * bmap blocks for the new directory block
679 #define XFS_CALC_ADDAFORK_LOG_RES(mp) \
680 ((mp)->m_sb.sb_inodesize + \
681 (mp)->m_sb.sb_sectsize * 2 + \
682 (mp)->m_dirblksize + \
683 XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1)) + \
684 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
685 (128 * (4 + (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \
686 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
688 #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork)
691 * Removing the attribute fork of a file
692 * the inode being truncated: inode size
693 * the inode's bmap btree: max depth * block size
694 * And the bmap_finish transaction can free the blocks and bmap blocks:
695 * the agf for each of the ags: 4 * sector size
696 * the agfl for each of the ags: 4 * sector size
697 * the super block to reflect the freed blocks: sector size
698 * worst case split in allocation btrees per extent assuming 4 extents:
699 * 4 exts * 2 trees * (2 * max depth - 1) * block size
701 #define XFS_CALC_ATTRINVAL_LOG_RES(mp) \
703 ((mp)->m_sb.sb_inodesize + \
704 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \
705 (128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))), \
706 ((4 * (mp)->m_sb.sb_sectsize) + \
707 (4 * (mp)->m_sb.sb_sectsize) + \
708 (mp)->m_sb.sb_sectsize + \
709 XFS_ALLOCFREE_LOG_RES(mp, 4) + \
710 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))))))
712 #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval)
715 * Setting an attribute.
716 * the inode getting the attribute
717 * the superblock for allocations
718 * the agfs extents are allocated from
719 * the attribute btree * max depth
720 * the inode allocation btree
721 * Since attribute transaction space is dependent on the size of the attribute,
722 * the calculation is done partially at mount time and partially at runtime.
724 #define XFS_CALC_ATTRSET_LOG_RES(mp) \
725 ((mp)->m_sb.sb_inodesize + \
726 (mp)->m_sb.sb_sectsize + \
727 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \
728 (128 * (2 + XFS_DA_NODE_MAXDEPTH)))
730 #define XFS_ATTRSET_LOG_RES(mp, ext) \
731 ((mp)->m_reservations.tr_attrset + \
732 (ext * (mp)->m_sb.sb_sectsize) + \
733 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \
734 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))))
737 * Removing an attribute.
738 * the inode: inode size
739 * the attribute btree could join: max depth * block size
740 * the inode bmap btree could join or split: max depth * block size
741 * And the bmap_finish transaction can free the attr blocks freed giving:
742 * the agf for the ag in which the blocks live: 2 * sector size
743 * the agfl for the ag in which the blocks live: 2 * sector size
744 * the superblock for the free block count: sector size
745 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
747 #define XFS_CALC_ATTRRM_LOG_RES(mp) \
749 ((mp)->m_sb.sb_inodesize + \
750 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \
751 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \
752 (128 * (1 + XFS_DA_NODE_MAXDEPTH + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \
753 ((2 * (mp)->m_sb.sb_sectsize) + \
754 (2 * (mp)->m_sb.sb_sectsize) + \
755 (mp)->m_sb.sb_sectsize + \
756 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
757 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
759 #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm)
762 * Clearing a bad agino number in an agi hash bucket.
764 #define XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp) \
765 ((mp)->m_sb.sb_sectsize + 128)
767 #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
771 * Various log count values.
773 #define XFS_DEFAULT_LOG_COUNT 1
774 #define XFS_DEFAULT_PERM_LOG_COUNT 2
775 #define XFS_ITRUNCATE_LOG_COUNT 2
776 #define XFS_INACTIVE_LOG_COUNT 2
777 #define XFS_CREATE_LOG_COUNT 2
778 #define XFS_MKDIR_LOG_COUNT 3
779 #define XFS_SYMLINK_LOG_COUNT 3
780 #define XFS_REMOVE_LOG_COUNT 2
781 #define XFS_LINK_LOG_COUNT 2
782 #define XFS_RENAME_LOG_COUNT 2
783 #define XFS_WRITE_LOG_COUNT 2
784 #define XFS_ADDAFORK_LOG_COUNT 2
785 #define XFS_ATTRINVAL_LOG_COUNT 1
786 #define XFS_ATTRSET_LOG_COUNT 3
787 #define XFS_ATTRRM_LOG_COUNT 3
790 * Here we centralize the specification of XFS meta-data buffer
791 * reference count values. This determine how hard the buffer
792 * cache tries to hold onto the buffer.
794 #define XFS_AGF_REF 4
795 #define XFS_AGI_REF 4
796 #define XFS_AGFL_REF 3
797 #define XFS_INO_BTREE_REF 3
798 #define XFS_ALLOC_BTREE_REF 2
799 #define XFS_BMAP_BTREE_REF 2
800 #define XFS_DIR_BTREE_REF 2
801 #define XFS_ATTR_BTREE_REF 1
802 #define XFS_INO_REF 1
803 #define XFS_DQUOT_REF 1
809 struct xfs_efd_log_item;
810 struct xfs_efi_log_item;
813 struct xfs_log_iovec;
814 struct xfs_log_item_desc;
817 struct xfs_dquot_acct;
818 struct xfs_busy_extent;
820 typedef struct xfs_log_item {
821 struct list_head li_ail; /* AIL pointers */
822 xfs_lsn_t li_lsn; /* last on-disk lsn */
823 struct xfs_log_item_desc *li_desc; /* ptr to current desc*/
824 struct xfs_mount *li_mountp; /* ptr to fs mount */
825 struct xfs_ail *li_ailp; /* ptr to AIL */
826 uint li_type; /* item type */
827 uint li_flags; /* misc flags */
828 struct xfs_log_item *li_bio_list; /* buffer item list */
829 void (*li_cb)(struct xfs_buf *,
830 struct xfs_log_item *);
831 /* buffer item iodone */
833 struct xfs_item_ops *li_ops; /* function list */
835 /* delayed logging */
836 struct list_head li_cil; /* CIL pointers */
837 struct xfs_log_vec *li_lv; /* active log vector */
838 xfs_lsn_t li_seq; /* CIL commit seq */
841 #define XFS_LI_IN_AIL 0x1
842 #define XFS_LI_ABORTED 0x2
844 #define XFS_LI_FLAGS \
845 { XFS_LI_IN_AIL, "IN_AIL" }, \
846 { XFS_LI_ABORTED, "ABORTED" }
848 typedef struct xfs_item_ops {
849 uint (*iop_size)(xfs_log_item_t *);
850 void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
851 void (*iop_pin)(xfs_log_item_t *);
852 void (*iop_unpin)(xfs_log_item_t *);
853 void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *);
854 uint (*iop_trylock)(xfs_log_item_t *);
855 void (*iop_unlock)(xfs_log_item_t *);
856 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
857 void (*iop_push)(xfs_log_item_t *);
858 void (*iop_pushbuf)(xfs_log_item_t *);
859 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
862 #define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip)
863 #define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp)
864 #define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip)
865 #define IOP_UNPIN(ip) (*(ip)->li_ops->iop_unpin)(ip)
866 #define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp)
867 #define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip)
868 #define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip)
869 #define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn)
870 #define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip)
871 #define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip)
872 #define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
875 * Return values for the IOP_TRYLOCK() routines.
877 #define XFS_ITEM_SUCCESS 0
878 #define XFS_ITEM_PINNED 1
879 #define XFS_ITEM_LOCKED 2
880 #define XFS_ITEM_PUSHBUF 3
883 * This is the type of function which can be given to xfs_trans_callback()
884 * to be called upon the transaction's commit to disk.
886 typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *);
889 * This is the structure maintained for every active transaction.
891 typedef struct xfs_trans {
892 unsigned int t_magic; /* magic number */
893 xfs_log_callback_t t_logcb; /* log callback struct */
894 unsigned int t_type; /* transaction type */
895 unsigned int t_log_res; /* amt of log space resvd */
896 unsigned int t_log_count; /* count for perm log res */
897 unsigned int t_blk_res; /* # of blocks resvd */
898 unsigned int t_blk_res_used; /* # of resvd blocks used */
899 unsigned int t_rtx_res; /* # of rt extents resvd */
900 unsigned int t_rtx_res_used; /* # of resvd rt extents used */
901 struct xlog_ticket *t_ticket; /* log mgr ticket */
902 xfs_lsn_t t_lsn; /* log seq num of start of
904 xfs_lsn_t t_commit_lsn; /* log seq num of end of
906 struct xfs_mount *t_mountp; /* ptr to fs mount struct */
907 struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
908 xfs_trans_callback_t t_callback; /* transaction callback */
909 void *t_callarg; /* callback arg */
910 unsigned int t_flags; /* misc flags */
911 int64_t t_icount_delta; /* superblock icount change */
912 int64_t t_ifree_delta; /* superblock ifree change */
913 int64_t t_fdblocks_delta; /* superblock fdblocks chg */
914 int64_t t_res_fdblocks_delta; /* on-disk only chg */
915 int64_t t_frextents_delta;/* superblock freextents chg*/
916 int64_t t_res_frextents_delta; /* on-disk only chg */
918 int64_t t_ag_freeblks_delta; /* debugging counter */
919 int64_t t_ag_flist_delta; /* debugging counter */
920 int64_t t_ag_btree_delta; /* debugging counter */
922 int64_t t_dblocks_delta;/* superblock dblocks change */
923 int64_t t_agcount_delta;/* superblock agcount change */
924 int64_t t_imaxpct_delta;/* superblock imaxpct change */
925 int64_t t_rextsize_delta;/* superblock rextsize chg */
926 int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */
927 int64_t t_rblocks_delta;/* superblock rblocks change */
928 int64_t t_rextents_delta;/* superblocks rextents chg */
929 int64_t t_rextslog_delta;/* superblocks rextslog chg */
930 unsigned int t_items_free; /* log item descs free */
931 xfs_log_item_chunk_t t_items; /* first log item desc chunk */
932 xfs_trans_header_t t_header; /* header for in-log trans */
933 struct list_head t_busy; /* list of busy extents */
934 unsigned long t_pflags; /* saved process flags state */
938 * XFS transaction mechanism exported interfaces that are
941 #define xfs_trans_get_log_res(tp) ((tp)->t_log_res)
942 #define xfs_trans_get_log_count(tp) ((tp)->t_log_count)
943 #define xfs_trans_get_block_res(tp) ((tp)->t_blk_res)
944 #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
947 #define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d)
948 #define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d)
949 #define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d)
951 #define xfs_trans_agblocks_delta(tp, d)
952 #define xfs_trans_agflist_delta(tp, d)
953 #define xfs_trans_agbtree_delta(tp, d)
957 * XFS transaction mechanism exported interfaces.
959 xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint);
960 xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint, uint);
961 xfs_trans_t *xfs_trans_dup(xfs_trans_t *);
962 int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint,
964 void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
965 struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t,
967 int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *,
968 struct xfs_buftarg *, xfs_daddr_t, int, uint,
970 struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int);
972 void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
973 void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
974 void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
975 void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
976 void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
977 void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
978 void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
979 void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
980 void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
981 int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *,
982 xfs_ino_t , uint, uint, struct xfs_inode **);
983 void xfs_trans_ijoin(xfs_trans_t *, struct xfs_inode *, uint);
984 void xfs_trans_ihold(xfs_trans_t *, struct xfs_inode *);
985 void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
986 void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
987 struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint);
988 void xfs_efi_release(struct xfs_efi_log_item *, uint);
989 void xfs_trans_log_efi_extent(xfs_trans_t *,
990 struct xfs_efi_log_item *,
993 struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *,
994 struct xfs_efi_log_item *,
996 void xfs_trans_log_efd_extent(xfs_trans_t *,
997 struct xfs_efd_log_item *,
1000 int _xfs_trans_commit(xfs_trans_t *,
1003 #define xfs_trans_commit(tp, flags) _xfs_trans_commit(tp, flags, NULL)
1004 void xfs_trans_cancel(xfs_trans_t *, int);
1005 int xfs_trans_ail_init(struct xfs_mount *);
1006 void xfs_trans_ail_destroy(struct xfs_mount *);
1008 extern kmem_zone_t *xfs_trans_zone;
1010 #endif /* __KERNEL__ */
1012 void xfs_trans_init(struct xfs_mount *);
1013 int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
1015 #endif /* __XFS_TRANS_H__ */