2 * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of version 2 of the GNU General Public License as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it would be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 * Further, this software is distributed without any warranty that it is
13 * free of the rightful claim of any third person regarding infringement
14 * or the like. Any license provided herein, whether implied or
15 * otherwise, applies only to this software file. Patent licenses, if
16 * any, provided herein do not apply to combinations of this program with
17 * other software, or any other product whatsoever.
19 * You should have received a copy of the GNU General Public License along
20 * with this program; if not, write the Free Software Foundation, Inc., 59
21 * Temple Place - Suite 330, Boston MA 02111-1307, USA.
23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
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28 * For further information regarding this notice, see:
30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
32 #ifndef __XFS_TRANS_H__
33 #define __XFS_TRANS_H__
36 * This is the structure written in the log at the head of
37 * every transaction. It identifies the type and id of the
38 * transaction, and contains the number of items logged by
39 * the transaction so we know how many to expect during recovery.
41 * Do not change the below structure without redoing the code in
42 * xlog_recover_add_to_trans() and xlog_recover_add_to_cont_trans().
44 typedef struct xfs_trans_header {
45 uint th_magic; /* magic number */
46 uint th_type; /* transaction type */
47 __int32_t th_tid; /* transaction id (unused) */
48 uint th_num_items; /* num items logged by trans */
51 #define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */
56 #define XFS_LI_5_3_BUF 0x1234 /* v1 bufs, 1-block inode buffers */
57 #define XFS_LI_5_3_INODE 0x1235 /* 1-block inode buffers */
58 #define XFS_LI_EFI 0x1236
59 #define XFS_LI_EFD 0x1237
60 #define XFS_LI_IUNLINK 0x1238
61 #define XFS_LI_6_1_INODE 0x1239 /* 4K non-aligned inode bufs */
62 #define XFS_LI_6_1_BUF 0x123a /* v1, 4K inode buffers */
63 #define XFS_LI_INODE 0x123b /* aligned ino chunks, var-size ibufs */
64 #define XFS_LI_BUF 0x123c /* v2 bufs, variable sized inode bufs */
65 #define XFS_LI_DQUOT 0x123d
66 #define XFS_LI_QUOTAOFF 0x123e
69 * Transaction types. Used to distinguish types of buffers.
71 #define XFS_TRANS_SETATTR_NOT_SIZE 1
72 #define XFS_TRANS_SETATTR_SIZE 2
73 #define XFS_TRANS_INACTIVE 3
74 #define XFS_TRANS_CREATE 4
75 #define XFS_TRANS_CREATE_TRUNC 5
76 #define XFS_TRANS_TRUNCATE_FILE 6
77 #define XFS_TRANS_REMOVE 7
78 #define XFS_TRANS_LINK 8
79 #define XFS_TRANS_RENAME 9
80 #define XFS_TRANS_MKDIR 10
81 #define XFS_TRANS_RMDIR 11
82 #define XFS_TRANS_SYMLINK 12
83 #define XFS_TRANS_SET_DMATTRS 13
84 #define XFS_TRANS_GROWFS 14
85 #define XFS_TRANS_STRAT_WRITE 15
86 #define XFS_TRANS_DIOSTRAT 16
87 #define XFS_TRANS_WRITE_SYNC 17
88 #define XFS_TRANS_WRITEID 18
89 #define XFS_TRANS_ADDAFORK 19
90 #define XFS_TRANS_ATTRINVAL 20
91 #define XFS_TRANS_ATRUNCATE 21
92 #define XFS_TRANS_ATTR_SET 22
93 #define XFS_TRANS_ATTR_RM 23
94 #define XFS_TRANS_ATTR_FLAG 24
95 #define XFS_TRANS_CLEAR_AGI_BUCKET 25
96 #define XFS_TRANS_QM_SBCHANGE 26
98 * Dummy entries since we use the transaction type to index into the
99 * trans_type[] in xlog_recover_print_trans_head()
101 #define XFS_TRANS_DUMMY1 27
102 #define XFS_TRANS_DUMMY2 28
103 #define XFS_TRANS_QM_QUOTAOFF 29
104 #define XFS_TRANS_QM_DQALLOC 30
105 #define XFS_TRANS_QM_SETQLIM 31
106 #define XFS_TRANS_QM_DQCLUSTER 32
107 #define XFS_TRANS_QM_QINOCREATE 33
108 #define XFS_TRANS_QM_QUOTAOFF_END 34
109 #define XFS_TRANS_SB_UNIT 35
110 #define XFS_TRANS_FSYNC_TS 36
111 #define XFS_TRANS_GROWFSRT_ALLOC 37
112 #define XFS_TRANS_GROWFSRT_ZERO 38
113 #define XFS_TRANS_GROWFSRT_FREE 39
114 #define XFS_TRANS_SWAPEXT 40
115 #define XFS_TRANS_TYPE_MAX 40
116 /* new transaction types need to be reflected in xfs_logprint(8) */
122 struct xfs_efd_log_item;
123 struct xfs_efi_log_item;
126 struct xfs_log_iovec;
128 struct xfs_log_item_desc;
131 struct xfs_dquot_acct;
133 typedef struct xfs_ail_entry {
134 struct xfs_log_item *ail_forw; /* AIL forw pointer */
135 struct xfs_log_item *ail_back; /* AIL back pointer */
139 * This structure is passed as a parameter to xfs_trans_push_ail()
140 * and is used to track the what LSN the waiting processes are
141 * waiting to become unused.
143 typedef struct xfs_ail_ticket {
144 xfs_lsn_t at_lsn; /* lsn waitin for */
145 struct xfs_ail_ticket *at_forw; /* wait list ptr */
146 struct xfs_ail_ticket *at_back; /* wait list ptr */
147 sv_t at_sema; /* wait sema */
151 typedef struct xfs_log_item {
152 xfs_ail_entry_t li_ail; /* AIL pointers */
153 xfs_lsn_t li_lsn; /* last on-disk lsn */
154 struct xfs_log_item_desc *li_desc; /* ptr to current desc*/
155 struct xfs_mount *li_mountp; /* ptr to fs mount */
156 uint li_type; /* item type */
157 uint li_flags; /* misc flags */
158 struct xfs_log_item *li_bio_list; /* buffer item list */
159 void (*li_cb)(struct xfs_buf *,
160 struct xfs_log_item *);
161 /* buffer item iodone */
163 struct xfs_item_ops *li_ops; /* function list */
166 #define XFS_LI_IN_AIL 0x1
167 #define XFS_LI_ABORTED 0x2
169 typedef struct xfs_item_ops {
170 uint (*iop_size)(xfs_log_item_t *);
171 void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
172 void (*iop_pin)(xfs_log_item_t *);
173 void (*iop_unpin)(xfs_log_item_t *, int);
174 void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *);
175 uint (*iop_trylock)(xfs_log_item_t *);
176 void (*iop_unlock)(xfs_log_item_t *);
177 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
178 void (*iop_push)(xfs_log_item_t *);
179 void (*iop_abort)(xfs_log_item_t *);
180 void (*iop_pushbuf)(xfs_log_item_t *);
181 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
184 #define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip)
185 #define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp)
186 #define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip)
187 #define IOP_UNPIN(ip, flags) (*(ip)->li_ops->iop_unpin)(ip, flags)
188 #define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp)
189 #define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip)
190 #define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip)
191 #define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn)
192 #define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip)
193 #define IOP_ABORT(ip) (*(ip)->li_ops->iop_abort)(ip)
194 #define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip)
195 #define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
198 * Return values for the IOP_TRYLOCK() routines.
200 #define XFS_ITEM_SUCCESS 0
201 #define XFS_ITEM_PINNED 1
202 #define XFS_ITEM_LOCKED 2
203 #define XFS_ITEM_FLUSHING 3
204 #define XFS_ITEM_PUSHBUF 4
206 #endif /* __KERNEL__ */
209 * This structure is used to track log items associated with
210 * a transaction. It points to the log item and keeps some
211 * flags to track the state of the log item. It also tracks
212 * the amount of space needed to log the item it describes
213 * once we get to commit processing (see xfs_trans_commit()).
215 typedef struct xfs_log_item_desc {
216 xfs_log_item_t *lid_item;
218 unsigned char lid_flags;
219 unsigned char lid_index;
220 } xfs_log_item_desc_t;
222 #define XFS_LID_DIRTY 0x1
223 #define XFS_LID_PINNED 0x2
224 #define XFS_LID_BUF_STALE 0x8
227 * This structure is used to maintain a chunk list of log_item_desc
228 * structures. The free field is a bitmask indicating which descriptors
229 * in this chunk's array are free. The unused field is the first value
230 * not used since this chunk was allocated.
232 #define XFS_LIC_NUM_SLOTS 15
233 typedef struct xfs_log_item_chunk {
234 struct xfs_log_item_chunk *lic_next;
237 xfs_log_item_desc_t lic_descs[XFS_LIC_NUM_SLOTS];
238 } xfs_log_item_chunk_t;
240 #define XFS_LIC_MAX_SLOT (XFS_LIC_NUM_SLOTS - 1)
241 #define XFS_LIC_FREEMASK ((1 << XFS_LIC_NUM_SLOTS) - 1)
245 * Initialize the given chunk. Set the chunk's free descriptor mask
246 * to indicate that all descriptors are free. The caller gets to set
247 * lic_unused to the right value (0 matches all free). The
248 * lic_descs.lid_index values are set up as each desc is allocated.
250 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_INIT)
251 void xfs_lic_init(xfs_log_item_chunk_t *cp);
252 #define XFS_LIC_INIT(cp) xfs_lic_init(cp)
254 #define XFS_LIC_INIT(cp) ((cp)->lic_free = XFS_LIC_FREEMASK)
256 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_INIT_SLOT)
257 void xfs_lic_init_slot(xfs_log_item_chunk_t *cp, int slot);
258 #define XFS_LIC_INIT_SLOT(cp,slot) xfs_lic_init_slot(cp, slot)
260 #define XFS_LIC_INIT_SLOT(cp,slot) \
261 ((cp)->lic_descs[slot].lid_index = (unsigned char)(slot))
263 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_VACANCY)
264 int xfs_lic_vacancy(xfs_log_item_chunk_t *cp);
265 #define XFS_LIC_VACANCY(cp) xfs_lic_vacancy(cp)
267 #define XFS_LIC_VACANCY(cp) (((cp)->lic_free) & XFS_LIC_FREEMASK)
269 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ALL_FREE)
270 void xfs_lic_all_free(xfs_log_item_chunk_t *cp);
271 #define XFS_LIC_ALL_FREE(cp) xfs_lic_all_free(cp)
273 #define XFS_LIC_ALL_FREE(cp) ((cp)->lic_free = XFS_LIC_FREEMASK)
275 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ARE_ALL_FREE)
276 int xfs_lic_are_all_free(xfs_log_item_chunk_t *cp);
277 #define XFS_LIC_ARE_ALL_FREE(cp) xfs_lic_are_all_free(cp)
279 #define XFS_LIC_ARE_ALL_FREE(cp) (((cp)->lic_free & XFS_LIC_FREEMASK) ==\
282 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ISFREE)
283 int xfs_lic_isfree(xfs_log_item_chunk_t *cp, int slot);
284 #define XFS_LIC_ISFREE(cp,slot) xfs_lic_isfree(cp,slot)
286 #define XFS_LIC_ISFREE(cp,slot) ((cp)->lic_free & (1 << (slot)))
288 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_CLAIM)
289 void xfs_lic_claim(xfs_log_item_chunk_t *cp, int slot);
290 #define XFS_LIC_CLAIM(cp,slot) xfs_lic_claim(cp,slot)
292 #define XFS_LIC_CLAIM(cp,slot) ((cp)->lic_free &= ~(1 << (slot)))
294 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_RELSE)
295 void xfs_lic_relse(xfs_log_item_chunk_t *cp, int slot);
296 #define XFS_LIC_RELSE(cp,slot) xfs_lic_relse(cp,slot)
298 #define XFS_LIC_RELSE(cp,slot) ((cp)->lic_free |= 1 << (slot))
300 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_SLOT)
301 xfs_log_item_desc_t *xfs_lic_slot(xfs_log_item_chunk_t *cp, int slot);
302 #define XFS_LIC_SLOT(cp,slot) xfs_lic_slot(cp,slot)
304 #define XFS_LIC_SLOT(cp,slot) (&((cp)->lic_descs[slot]))
306 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_DESC_TO_SLOT)
307 int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp);
308 #define XFS_LIC_DESC_TO_SLOT(dp) xfs_lic_desc_to_slot(dp)
310 #define XFS_LIC_DESC_TO_SLOT(dp) ((uint)((dp)->lid_index))
313 * Calculate the address of a chunk given a descriptor pointer:
314 * dp - dp->lid_index give the address of the start of the lic_descs array.
315 * From this we subtract the offset of the lic_descs field in a chunk.
316 * All of this yields the address of the chunk, which is
317 * cast to a chunk pointer.
319 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_DESC_TO_CHUNK)
320 xfs_log_item_chunk_t *xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp);
321 #define XFS_LIC_DESC_TO_CHUNK(dp) xfs_lic_desc_to_chunk(dp)
323 #define XFS_LIC_DESC_TO_CHUNK(dp) ((xfs_log_item_chunk_t*) \
324 (((xfs_caddr_t)((dp) - (dp)->lid_index)) -\
325 (xfs_caddr_t)(((xfs_log_item_chunk_t*) \
331 * This structure is used to maintain a list of block ranges that have been
332 * freed in the transaction. The ranges are listed in the perag[] busy list
333 * between when they're freed and the transaction is committed to disk.
336 typedef struct xfs_log_busy_slot {
337 xfs_agnumber_t lbc_ag;
338 ushort lbc_idx; /* index in perag.busy[] */
339 } xfs_log_busy_slot_t;
341 #define XFS_LBC_NUM_SLOTS 31
342 typedef struct xfs_log_busy_chunk {
343 struct xfs_log_busy_chunk *lbc_next;
344 uint lbc_free; /* bitmask of free slots */
345 ushort lbc_unused; /* first unused */
346 xfs_log_busy_slot_t lbc_busy[XFS_LBC_NUM_SLOTS];
347 } xfs_log_busy_chunk_t;
349 #define XFS_LBC_MAX_SLOT (XFS_LBC_NUM_SLOTS - 1)
350 #define XFS_LBC_FREEMASK ((1U << XFS_LBC_NUM_SLOTS) - 1)
352 #define XFS_LBC_INIT(cp) ((cp)->lbc_free = XFS_LBC_FREEMASK)
353 #define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot)))
354 #define XFS_LBC_SLOT(cp, slot) (&((cp)->lbc_busy[(slot)]))
355 #define XFS_LBC_VACANCY(cp) (((cp)->lbc_free) & XFS_LBC_FREEMASK)
356 #define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot)))
359 * This is the type of function which can be given to xfs_trans_callback()
360 * to be called upon the transaction's commit to disk.
362 typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *);
365 * This is the structure maintained for every active transaction.
367 typedef struct xfs_trans {
368 unsigned int t_magic; /* magic number */
369 xfs_log_callback_t t_logcb; /* log callback struct */
370 struct xfs_trans *t_forw; /* async list pointers */
371 struct xfs_trans *t_back; /* async list pointers */
372 unsigned int t_type; /* transaction type */
373 unsigned int t_log_res; /* amt of log space resvd */
374 unsigned int t_log_count; /* count for perm log res */
375 unsigned int t_blk_res; /* # of blocks resvd */
376 unsigned int t_blk_res_used; /* # of resvd blocks used */
377 unsigned int t_rtx_res; /* # of rt extents resvd */
378 unsigned int t_rtx_res_used; /* # of resvd rt extents used */
379 xfs_log_ticket_t t_ticket; /* log mgr ticket */
380 sema_t t_sema; /* sema for commit completion */
381 xfs_lsn_t t_lsn; /* log seq num of start of
383 xfs_lsn_t t_commit_lsn; /* log seq num of end of
385 struct xfs_mount *t_mountp; /* ptr to fs mount struct */
386 struct xfs_dquot_acct *t_dqinfo; /* accting info for dquots */
387 xfs_trans_callback_t t_callback; /* transaction callback */
388 void *t_callarg; /* callback arg */
389 unsigned int t_flags; /* misc flags */
390 long t_icount_delta; /* superblock icount change */
391 long t_ifree_delta; /* superblock ifree change */
392 long t_fdblocks_delta; /* superblock fdblocks chg */
393 long t_res_fdblocks_delta; /* on-disk only chg */
394 long t_frextents_delta;/* superblock freextents chg*/
395 long t_res_frextents_delta; /* on-disk only chg */
396 long t_ag_freeblks_delta; /* debugging counter */
397 long t_ag_flist_delta; /* debugging counter */
398 long t_ag_btree_delta; /* debugging counter */
399 long t_dblocks_delta;/* superblock dblocks change */
400 long t_agcount_delta;/* superblock agcount change */
401 long t_imaxpct_delta;/* superblock imaxpct change */
402 long t_rextsize_delta;/* superblock rextsize chg */
403 long t_rbmblocks_delta;/* superblock rbmblocks chg */
404 long t_rblocks_delta;/* superblock rblocks change */
405 long t_rextents_delta;/* superblocks rextents chg */
406 long t_rextslog_delta;/* superblocks rextslog chg */
407 unsigned int t_items_free; /* log item descs free */
408 xfs_log_item_chunk_t t_items; /* first log item desc chunk */
409 xfs_trans_header_t t_header; /* header for in-log trans */
410 unsigned int t_busy_free; /* busy descs free */
411 xfs_log_busy_chunk_t t_busy; /* busy/async free blocks */
412 xfs_pflags_t t_pflags; /* saved pflags state */
415 #endif /* __KERNEL__ */
418 #define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */
420 * Values for t_flags.
422 #define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */
423 #define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */
424 #define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */
425 #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */
426 #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */
427 #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */
430 * Values for call flags parameter.
432 #define XFS_TRANS_NOSLEEP 0x1
433 #define XFS_TRANS_WAIT 0x2
434 #define XFS_TRANS_RELEASE_LOG_RES 0x4
435 #define XFS_TRANS_ABORT 0x8
438 * Field values for xfs_trans_mod_sb.
440 #define XFS_TRANS_SB_ICOUNT 0x00000001
441 #define XFS_TRANS_SB_IFREE 0x00000002
442 #define XFS_TRANS_SB_FDBLOCKS 0x00000004
443 #define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008
444 #define XFS_TRANS_SB_FREXTENTS 0x00000010
445 #define XFS_TRANS_SB_RES_FREXTENTS 0x00000020
446 #define XFS_TRANS_SB_DBLOCKS 0x00000040
447 #define XFS_TRANS_SB_AGCOUNT 0x00000080
448 #define XFS_TRANS_SB_IMAXPCT 0x00000100
449 #define XFS_TRANS_SB_REXTSIZE 0x00000200
450 #define XFS_TRANS_SB_RBMBLOCKS 0x00000400
451 #define XFS_TRANS_SB_RBLOCKS 0x00000800
452 #define XFS_TRANS_SB_REXTENTS 0x00001000
453 #define XFS_TRANS_SB_REXTSLOG 0x00002000
457 * Various log reservation values.
458 * These are based on the size of the file system block
459 * because that is what most transactions manipulate.
460 * Each adds in an additional 128 bytes per item logged to
461 * try to account for the overhead of the transaction mechanism.
464 * Most of the reservations underestimate the number of allocation
465 * groups into which they could free extents in the xfs_bmap_finish()
466 * call. This is because the number in the worst case is quite high
467 * and quite unusual. In order to fix this we need to change
468 * xfs_bmap_finish() to free extents in only a single AG at a time.
469 * This will require changes to the EFI code as well, however, so that
470 * the EFI for the extents not freed is logged again in each transaction.
475 * Per-extent log reservation for the allocation btree changes
476 * involved in freeing or allocating an extent.
477 * 2 trees * (2 blocks/level * max depth - 1) * block size
479 #define XFS_ALLOCFREE_LOG_RES(mp,nx) \
480 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1)))
481 #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \
482 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1)))
485 * Per-directory log reservation for any directory change.
486 * dir blocks: (1 btree block per level + data block + free block) * dblock size
487 * bmap btree: (levels + 2) * max depth * block size
488 * v2 directory blocks can be fragmented below the dirblksize down to the fsb
489 * size, so account for that in the DAENTER macros.
491 #define XFS_DIROP_LOG_RES(mp) \
492 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \
493 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)))
494 #define XFS_DIROP_LOG_COUNT(mp) \
495 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \
496 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)
499 * In a write transaction we can allocate a maximum of 2
500 * extents. This gives:
501 * the inode getting the new extents: inode size
502 * the inode\'s bmap btree: max depth * block size
503 * the agfs of the ags from which the extents are allocated: 2 * sector
504 * the superblock free block counter: sector size
505 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
506 * And the bmap_finish transaction can free bmap blocks in a join:
507 * the agfs of the ags containing the blocks: 2 * sector size
508 * the agfls of the ags containing the blocks: 2 * sector size
509 * the super block free block counter: sector size
510 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
512 #define XFS_CALC_WRITE_LOG_RES(mp) \
514 ((mp)->m_sb.sb_inodesize + \
515 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \
516 (2 * (mp)->m_sb.sb_sectsize) + \
517 (mp)->m_sb.sb_sectsize + \
518 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
519 (128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))),\
520 ((2 * (mp)->m_sb.sb_sectsize) + \
521 (2 * (mp)->m_sb.sb_sectsize) + \
522 (mp)->m_sb.sb_sectsize + \
523 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
524 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
526 #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write)
529 * In truncating a file we free up to two extents at once. We can modify:
530 * the inode being truncated: inode size
531 * the inode\'s bmap btree: (max depth + 1) * block size
532 * And the bmap_finish transaction can free the blocks and bmap blocks:
533 * the agf for each of the ags: 4 * sector size
534 * the agfl for each of the ags: 4 * sector size
535 * the super block to reflect the freed blocks: sector size
536 * worst case split in allocation btrees per extent assuming 4 extents:
537 * 4 exts * 2 trees * (2 * max depth - 1) * block size
538 * the inode btree: max depth * blocksize
539 * the allocation btrees: 2 trees * (max depth - 1) * block size
541 #define XFS_CALC_ITRUNCATE_LOG_RES(mp) \
543 ((mp)->m_sb.sb_inodesize + \
544 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + \
545 (128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \
546 ((4 * (mp)->m_sb.sb_sectsize) + \
547 (4 * (mp)->m_sb.sb_sectsize) + \
548 (mp)->m_sb.sb_sectsize + \
549 XFS_ALLOCFREE_LOG_RES(mp, 4) + \
550 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \
552 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
553 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
554 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
556 #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate)
559 * In renaming a files we can modify:
560 * the four inodes involved: 4 * inode size
561 * the two directory btrees: 2 * (max depth + v2) * dir block size
562 * the two directory bmap btrees: 2 * max depth * block size
563 * And the bmap_finish transaction can free dir and bmap blocks (two sets
564 * of bmap blocks) giving:
565 * the agf for the ags in which the blocks live: 3 * sector size
566 * the agfl for the ags in which the blocks live: 3 * sector size
567 * the superblock for the free block count: sector size
568 * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size
570 #define XFS_CALC_RENAME_LOG_RES(mp) \
572 ((4 * (mp)->m_sb.sb_inodesize) + \
573 (2 * XFS_DIROP_LOG_RES(mp)) + \
574 (128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp)))), \
575 ((3 * (mp)->m_sb.sb_sectsize) + \
576 (3 * (mp)->m_sb.sb_sectsize) + \
577 (mp)->m_sb.sb_sectsize + \
578 XFS_ALLOCFREE_LOG_RES(mp, 3) + \
579 (128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3))))))
581 #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename)
584 * For creating a link to an inode:
585 * the parent directory inode: inode size
586 * the linked inode: inode size
587 * the directory btree could split: (max depth + v2) * dir block size
588 * the directory bmap btree could join or split: (max depth + v2) * blocksize
589 * And the bmap_finish transaction can free some bmap blocks giving:
590 * the agf for the ag in which the blocks live: sector size
591 * the agfl for the ag in which the blocks live: sector size
592 * the superblock for the free block count: sector size
593 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size
595 #define XFS_CALC_LINK_LOG_RES(mp) \
597 ((mp)->m_sb.sb_inodesize + \
598 (mp)->m_sb.sb_inodesize + \
599 XFS_DIROP_LOG_RES(mp) + \
600 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \
601 ((mp)->m_sb.sb_sectsize + \
602 (mp)->m_sb.sb_sectsize + \
603 (mp)->m_sb.sb_sectsize + \
604 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
605 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
607 #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link)
610 * For removing a directory entry we can modify:
611 * the parent directory inode: inode size
612 * the removed inode: inode size
613 * the directory btree could join: (max depth + v2) * dir block size
614 * the directory bmap btree could join or split: (max depth + v2) * blocksize
615 * And the bmap_finish transaction can free the dir and bmap blocks giving:
616 * the agf for the ag in which the blocks live: 2 * sector size
617 * the agfl for the ag in which the blocks live: 2 * sector size
618 * the superblock for the free block count: sector size
619 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
621 #define XFS_CALC_REMOVE_LOG_RES(mp) \
623 ((mp)->m_sb.sb_inodesize + \
624 (mp)->m_sb.sb_inodesize + \
625 XFS_DIROP_LOG_RES(mp) + \
626 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \
627 ((2 * (mp)->m_sb.sb_sectsize) + \
628 (2 * (mp)->m_sb.sb_sectsize) + \
629 (mp)->m_sb.sb_sectsize + \
630 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
631 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
633 #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove)
636 * For symlink we can modify:
637 * the parent directory inode: inode size
638 * the new inode: inode size
639 * the inode btree entry: 1 block
640 * the directory btree: (max depth + v2) * dir block size
641 * the directory inode\'s bmap btree: (max depth + v2) * block size
642 * the blocks for the symlink: 1 KB
643 * Or in the first xact we allocate some inodes giving:
644 * the agi and agf of the ag getting the new inodes: 2 * sectorsize
645 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize
646 * the inode btree: max depth * blocksize
647 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size
649 #define XFS_CALC_SYMLINK_LOG_RES(mp) \
651 ((mp)->m_sb.sb_inodesize + \
652 (mp)->m_sb.sb_inodesize + \
653 XFS_FSB_TO_B(mp, 1) + \
654 XFS_DIROP_LOG_RES(mp) + \
656 (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \
657 (2 * (mp)->m_sb.sb_sectsize + \
658 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \
659 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \
660 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
661 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
662 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
664 #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink)
667 * For create we can modify:
668 * the parent directory inode: inode size
669 * the new inode: inode size
670 * the inode btree entry: block size
671 * the superblock for the nlink flag: sector size
672 * the directory btree: (max depth + v2) * dir block size
673 * the directory inode\'s bmap btree: (max depth + v2) * block size
674 * Or in the first xact we allocate some inodes giving:
675 * the agi and agf of the ag getting the new inodes: 2 * sectorsize
676 * the superblock for the nlink flag: sector size
677 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize
678 * the inode btree: max depth * blocksize
679 * the allocation btrees: 2 trees * (max depth - 1) * block size
681 #define XFS_CALC_CREATE_LOG_RES(mp) \
683 ((mp)->m_sb.sb_inodesize + \
684 (mp)->m_sb.sb_inodesize + \
685 (mp)->m_sb.sb_sectsize + \
686 XFS_FSB_TO_B(mp, 1) + \
687 XFS_DIROP_LOG_RES(mp) + \
688 (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \
689 (3 * (mp)->m_sb.sb_sectsize + \
690 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \
691 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \
692 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
693 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
694 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
696 #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create)
699 * Making a new directory is the same as creating a new file.
701 #define XFS_CALC_MKDIR_LOG_RES(mp) XFS_CALC_CREATE_LOG_RES(mp)
703 #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir)
706 * In freeing an inode we can modify:
707 * the inode being freed: inode size
708 * the super block free inode counter: sector size
709 * the agi hash list and counters: sector size
710 * the inode btree entry: block size
711 * the on disk inode before ours in the agi hash list: inode cluster size
712 * the inode btree: max depth * blocksize
713 * the allocation btrees: 2 trees * (max depth - 1) * block size
715 #define XFS_CALC_IFREE_LOG_RES(mp) \
716 ((mp)->m_sb.sb_inodesize + \
717 (mp)->m_sb.sb_sectsize + \
718 (mp)->m_sb.sb_sectsize + \
719 XFS_FSB_TO_B((mp), 1) + \
720 MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \
722 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
723 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
724 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
727 #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree)
730 * When only changing the inode we log the inode and possibly the superblock
731 * We also add a bit of slop for the transaction stuff.
733 #define XFS_CALC_ICHANGE_LOG_RES(mp) ((mp)->m_sb.sb_inodesize + \
734 (mp)->m_sb.sb_sectsize + 512)
736 #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange)
739 * Growing the data section of the filesystem.
744 #define XFS_CALC_GROWDATA_LOG_RES(mp) \
745 ((mp)->m_sb.sb_sectsize * 3 + \
746 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
747 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
749 #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata)
752 * Growing the rt section of the filesystem.
753 * In the first set of transactions (ALLOC) we allocate space to the
754 * bitmap or summary files.
755 * superblock: sector size
756 * agf of the ag from which the extent is allocated: sector size
757 * bmap btree for bitmap/summary inode: max depth * blocksize
758 * bitmap/summary inode: inode size
759 * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize
761 #define XFS_CALC_GROWRTALLOC_LOG_RES(mp) \
762 (2 * (mp)->m_sb.sb_sectsize + \
763 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \
764 (mp)->m_sb.sb_inodesize + \
765 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
767 (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + \
768 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
770 #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc)
773 * Growing the rt section of the filesystem.
774 * In the second set of transactions (ZERO) we zero the new metadata blocks.
775 * one bitmap/summary block: blocksize
777 #define XFS_CALC_GROWRTZERO_LOG_RES(mp) \
778 ((mp)->m_sb.sb_blocksize + 128)
780 #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero)
783 * Growing the rt section of the filesystem.
784 * In the third set of transactions (FREE) we update metadata without
785 * allocating any new blocks.
786 * superblock: sector size
787 * bitmap inode: inode size
788 * summary inode: inode size
789 * one bitmap block: blocksize
790 * summary blocks: new summary size
792 #define XFS_CALC_GROWRTFREE_LOG_RES(mp) \
793 ((mp)->m_sb.sb_sectsize + \
794 2 * (mp)->m_sb.sb_inodesize + \
795 (mp)->m_sb.sb_blocksize + \
799 #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree)
802 * Logging the inode modification timestamp on a synchronous write.
805 #define XFS_CALC_SWRITE_LOG_RES(mp) \
806 ((mp)->m_sb.sb_inodesize + 128)
808 #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
811 * Logging the inode timestamps on an fsync -- same as SWRITE
812 * as long as SWRITE logs the entire inode core
814 #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
817 * Logging the inode mode bits when writing a setuid/setgid file
820 #define XFS_CALC_WRITEID_LOG_RES(mp) \
821 ((mp)->m_sb.sb_inodesize + 128)
823 #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
826 * Converting the inode from non-attributed to attributed.
827 * the inode being converted: inode size
828 * agf block and superblock (for block allocation)
829 * the new block (directory sized)
830 * bmap blocks for the new directory block
833 #define XFS_CALC_ADDAFORK_LOG_RES(mp) \
834 ((mp)->m_sb.sb_inodesize + \
835 (mp)->m_sb.sb_sectsize * 2 + \
836 (mp)->m_dirblksize + \
837 (XFS_DIR_IS_V1(mp) ? 0 : \
838 XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1))) + \
839 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
841 (XFS_DIR_IS_V1(mp) ? 0 : \
842 XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \
843 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
845 #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork)
848 * Removing the attribute fork of a file
849 * the inode being truncated: inode size
850 * the inode\'s bmap btree: max depth * block size
851 * And the bmap_finish transaction can free the blocks and bmap blocks:
852 * the agf for each of the ags: 4 * sector size
853 * the agfl for each of the ags: 4 * sector size
854 * the super block to reflect the freed blocks: sector size
855 * worst case split in allocation btrees per extent assuming 4 extents:
856 * 4 exts * 2 trees * (2 * max depth - 1) * block size
858 #define XFS_CALC_ATTRINVAL_LOG_RES(mp) \
860 ((mp)->m_sb.sb_inodesize + \
861 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \
862 (128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))), \
863 ((4 * (mp)->m_sb.sb_sectsize) + \
864 (4 * (mp)->m_sb.sb_sectsize) + \
865 (mp)->m_sb.sb_sectsize + \
866 XFS_ALLOCFREE_LOG_RES(mp, 4) + \
867 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))))))
869 #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval)
872 * Setting an attribute.
873 * the inode getting the attribute
874 * the superblock for allocations
875 * the agfs extents are allocated from
876 * the attribute btree * max depth
877 * the inode allocation btree
878 * Since attribute transaction space is dependent on the size of the attribute,
879 * the calculation is done partially at mount time and partially at runtime.
881 #define XFS_CALC_ATTRSET_LOG_RES(mp) \
882 ((mp)->m_sb.sb_inodesize + \
883 (mp)->m_sb.sb_sectsize + \
884 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \
885 (128 * (2 + XFS_DA_NODE_MAXDEPTH)))
887 #define XFS_ATTRSET_LOG_RES(mp, ext) \
888 ((mp)->m_reservations.tr_attrset + \
889 (ext * (mp)->m_sb.sb_sectsize) + \
890 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \
891 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))))
894 * Removing an attribute.
895 * the inode: inode size
896 * the attribute btree could join: max depth * block size
897 * the inode bmap btree could join or split: max depth * block size
898 * And the bmap_finish transaction can free the attr blocks freed giving:
899 * the agf for the ag in which the blocks live: 2 * sector size
900 * the agfl for the ag in which the blocks live: 2 * sector size
901 * the superblock for the free block count: sector size
902 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
904 #define XFS_CALC_ATTRRM_LOG_RES(mp) \
906 ((mp)->m_sb.sb_inodesize + \
907 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \
908 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \
909 (128 * (1 + XFS_DA_NODE_MAXDEPTH + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \
910 ((2 * (mp)->m_sb.sb_sectsize) + \
911 (2 * (mp)->m_sb.sb_sectsize) + \
912 (mp)->m_sb.sb_sectsize + \
913 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
914 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
916 #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm)
919 * Clearing a bad agino number in an agi hash bucket.
921 #define XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp) \
922 ((mp)->m_sb.sb_sectsize + 128)
924 #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
928 * Various log count values.
930 #define XFS_DEFAULT_LOG_COUNT 1
931 #define XFS_DEFAULT_PERM_LOG_COUNT 2
932 #define XFS_ITRUNCATE_LOG_COUNT 2
933 #define XFS_INACTIVE_LOG_COUNT 2
934 #define XFS_CREATE_LOG_COUNT 2
935 #define XFS_MKDIR_LOG_COUNT 3
936 #define XFS_SYMLINK_LOG_COUNT 3
937 #define XFS_REMOVE_LOG_COUNT 2
938 #define XFS_LINK_LOG_COUNT 2
939 #define XFS_RENAME_LOG_COUNT 2
940 #define XFS_WRITE_LOG_COUNT 2
941 #define XFS_ADDAFORK_LOG_COUNT 2
942 #define XFS_ATTRINVAL_LOG_COUNT 1
943 #define XFS_ATTRSET_LOG_COUNT 3
944 #define XFS_ATTRRM_LOG_COUNT 3
947 * Here we centralize the specification of XFS meta-data buffer
948 * reference count values. This determine how hard the buffer
949 * cache tries to hold onto the buffer.
951 #define XFS_AGF_REF 4
952 #define XFS_AGI_REF 4
953 #define XFS_AGFL_REF 3
954 #define XFS_INO_BTREE_REF 3
955 #define XFS_ALLOC_BTREE_REF 2
956 #define XFS_BMAP_BTREE_REF 2
957 #define XFS_DIR_BTREE_REF 2
958 #define XFS_ATTR_BTREE_REF 1
959 #define XFS_INO_REF 1
960 #define XFS_DQUOT_REF 1
964 * XFS transaction mechanism exported interfaces that are
967 #define xfs_trans_get_log_res(tp) ((tp)->t_log_res)
968 #define xfs_trans_get_log_count(tp) ((tp)->t_log_count)
969 #define xfs_trans_get_block_res(tp) ((tp)->t_blk_res)
970 #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
973 #define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (long)d)
974 #define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (long)d)
975 #define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (long)d)
977 #define xfs_trans_agblocks_delta(tp, d)
978 #define xfs_trans_agflist_delta(tp, d)
979 #define xfs_trans_agbtree_delta(tp, d)
983 * XFS transaction mechanism exported interfaces.
985 void xfs_trans_init(struct xfs_mount *);
986 xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint);
987 xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint);
988 xfs_trans_t *xfs_trans_dup(xfs_trans_t *);
989 int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint,
991 void xfs_trans_mod_sb(xfs_trans_t *, uint, long);
992 struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t,
994 int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *,
995 struct xfs_buftarg *, xfs_daddr_t, int, uint,
997 struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int);
999 void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
1000 void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
1001 void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
1002 void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
1003 void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
1004 void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
1005 void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
1006 void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
1007 void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
1008 void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
1009 int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *,
1010 xfs_ino_t , uint, uint, struct xfs_inode **);
1011 void xfs_trans_ijoin(xfs_trans_t *, struct xfs_inode *, uint);
1012 void xfs_trans_ihold(xfs_trans_t *, struct xfs_inode *);
1013 void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
1014 void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
1015 struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint);
1016 void xfs_efi_release(struct xfs_efi_log_item *, uint);
1017 void xfs_trans_log_efi_extent(xfs_trans_t *,
1018 struct xfs_efi_log_item *,
1021 struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *,
1022 struct xfs_efi_log_item *,
1024 void xfs_trans_log_efd_extent(xfs_trans_t *,
1025 struct xfs_efd_log_item *,
1028 int xfs_trans_commit(xfs_trans_t *, uint flags, xfs_lsn_t *);
1029 void xfs_trans_cancel(xfs_trans_t *, int);
1030 void xfs_trans_ail_init(struct xfs_mount *);
1031 xfs_lsn_t xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t);
1032 xfs_lsn_t xfs_trans_tail_ail(struct xfs_mount *);
1033 void xfs_trans_unlocked_item(struct xfs_mount *,
1035 xfs_log_busy_slot_t *xfs_trans_add_busy(xfs_trans_t *tp,
1039 #endif /* __KERNEL__ */
1041 #endif /* __XFS_TRANS_H__ */