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,
24 * Mountain View, CA 94043, or:
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 /* new transaction types need to be reflected in xfs_logprint(8) */
121 struct xfs_efd_log_item
;
122 struct xfs_efi_log_item
;
125 struct xfs_log_iovec
;
127 struct xfs_log_item_desc
;
130 struct xfs_dquot_acct
;
132 typedef struct xfs_ail_entry
{
133 struct xfs_log_item
*ail_forw
; /* AIL forw pointer */
134 struct xfs_log_item
*ail_back
; /* AIL back pointer */
138 * This structure is passed as a parameter to xfs_trans_push_ail()
139 * and is used to track the what LSN the waiting processes are
140 * waiting to become unused.
142 typedef struct xfs_ail_ticket
{
143 xfs_lsn_t at_lsn
; /* lsn waitin for */
144 struct xfs_ail_ticket
*at_forw
; /* wait list ptr */
145 struct xfs_ail_ticket
*at_back
; /* wait list ptr */
146 sv_t at_sema
; /* wait sema */
150 typedef struct xfs_log_item
{
151 xfs_ail_entry_t li_ail
; /* AIL pointers */
152 xfs_lsn_t li_lsn
; /* last on-disk lsn */
153 struct xfs_log_item_desc
*li_desc
; /* ptr to current desc*/
154 struct xfs_mount
*li_mountp
; /* ptr to fs mount */
155 uint li_type
; /* item type */
156 uint li_flags
; /* misc flags */
157 struct xfs_log_item
*li_bio_list
; /* buffer item list */
158 void (*li_cb
)(struct xfs_buf
*,
159 struct xfs_log_item
*);
160 /* buffer item iodone */
162 struct xfs_item_ops
*li_ops
; /* function list */
165 #define XFS_LI_IN_AIL 0x1
166 #define XFS_LI_ABORTED 0x2
168 typedef struct xfs_item_ops
{
169 uint (*iop_size
)(xfs_log_item_t
*);
170 void (*iop_format
)(xfs_log_item_t
*, struct xfs_log_iovec
*);
171 void (*iop_pin
)(xfs_log_item_t
*);
172 void (*iop_unpin
)(xfs_log_item_t
*, int);
173 void (*iop_unpin_remove
)(xfs_log_item_t
*, struct xfs_trans
*);
174 uint (*iop_trylock
)(xfs_log_item_t
*);
175 void (*iop_unlock
)(xfs_log_item_t
*);
176 xfs_lsn_t (*iop_committed
)(xfs_log_item_t
*, xfs_lsn_t
);
177 void (*iop_push
)(xfs_log_item_t
*);
178 void (*iop_abort
)(xfs_log_item_t
*);
179 void (*iop_pushbuf
)(xfs_log_item_t
*);
180 void (*iop_committing
)(xfs_log_item_t
*, xfs_lsn_t
);
183 #define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip)
184 #define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp)
185 #define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip)
186 #define IOP_UNPIN(ip, flags) (*(ip)->li_ops->iop_unpin)(ip, flags)
187 #define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp)
188 #define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip)
189 #define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip)
190 #define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn)
191 #define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip)
192 #define IOP_ABORT(ip) (*(ip)->li_ops->iop_abort)(ip)
193 #define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip)
194 #define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
197 * Return values for the IOP_TRYLOCK() routines.
199 #define XFS_ITEM_SUCCESS 0
200 #define XFS_ITEM_PINNED 1
201 #define XFS_ITEM_LOCKED 2
202 #define XFS_ITEM_FLUSHING 3
203 #define XFS_ITEM_PUSHBUF 4
205 #endif /* __KERNEL__ */
208 * This structure is used to track log items associated with
209 * a transaction. It points to the log item and keeps some
210 * flags to track the state of the log item. It also tracks
211 * the amount of space needed to log the item it describes
212 * once we get to commit processing (see xfs_trans_commit()).
214 typedef struct xfs_log_item_desc
{
215 xfs_log_item_t
*lid_item
;
217 unsigned char lid_flags
;
218 unsigned char lid_index
;
219 } xfs_log_item_desc_t
;
221 #define XFS_LID_DIRTY 0x1
222 #define XFS_LID_PINNED 0x2
223 #define XFS_LID_BUF_STALE 0x8
226 * This structure is used to maintain a chunk list of log_item_desc
227 * structures. The free field is a bitmask indicating which descriptors
228 * in this chunk's array are free. The unused field is the first value
229 * not used since this chunk was allocated.
231 #define XFS_LIC_NUM_SLOTS 15
232 typedef struct xfs_log_item_chunk
{
233 struct xfs_log_item_chunk
*lic_next
;
236 xfs_log_item_desc_t lic_descs
[XFS_LIC_NUM_SLOTS
];
237 } xfs_log_item_chunk_t
;
239 #define XFS_LIC_MAX_SLOT (XFS_LIC_NUM_SLOTS - 1)
240 #define XFS_LIC_FREEMASK ((1 << XFS_LIC_NUM_SLOTS) - 1)
244 * Initialize the given chunk. Set the chunk's free descriptor mask
245 * to indicate that all descriptors are free. The caller gets to set
246 * lic_unused to the right value (0 matches all free). The
247 * lic_descs.lid_index values are set up as each desc is allocated.
249 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_INIT)
250 void xfs_lic_init(xfs_log_item_chunk_t
*cp
);
251 #define XFS_LIC_INIT(cp) xfs_lic_init(cp)
253 #define XFS_LIC_INIT(cp) ((cp)->lic_free = XFS_LIC_FREEMASK)
255 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_INIT_SLOT)
256 void xfs_lic_init_slot(xfs_log_item_chunk_t
*cp
, int slot
);
257 #define XFS_LIC_INIT_SLOT(cp,slot) xfs_lic_init_slot(cp, slot)
259 #define XFS_LIC_INIT_SLOT(cp,slot) \
260 ((cp)->lic_descs[slot].lid_index = (unsigned char)(slot))
262 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_VACANCY)
263 int xfs_lic_vacancy(xfs_log_item_chunk_t
*cp
);
264 #define XFS_LIC_VACANCY(cp) xfs_lic_vacancy(cp)
266 #define XFS_LIC_VACANCY(cp) (((cp)->lic_free) & XFS_LIC_FREEMASK)
268 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ALL_FREE)
269 void xfs_lic_all_free(xfs_log_item_chunk_t
*cp
);
270 #define XFS_LIC_ALL_FREE(cp) xfs_lic_all_free(cp)
272 #define XFS_LIC_ALL_FREE(cp) ((cp)->lic_free = XFS_LIC_FREEMASK)
274 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ARE_ALL_FREE)
275 int xfs_lic_are_all_free(xfs_log_item_chunk_t
*cp
);
276 #define XFS_LIC_ARE_ALL_FREE(cp) xfs_lic_are_all_free(cp)
278 #define XFS_LIC_ARE_ALL_FREE(cp) (((cp)->lic_free & XFS_LIC_FREEMASK) ==\
281 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_ISFREE)
282 int xfs_lic_isfree(xfs_log_item_chunk_t
*cp
, int slot
);
283 #define XFS_LIC_ISFREE(cp,slot) xfs_lic_isfree(cp,slot)
285 #define XFS_LIC_ISFREE(cp,slot) ((cp)->lic_free & (1 << (slot)))
287 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_CLAIM)
288 void xfs_lic_claim(xfs_log_item_chunk_t
*cp
, int slot
);
289 #define XFS_LIC_CLAIM(cp,slot) xfs_lic_claim(cp,slot)
291 #define XFS_LIC_CLAIM(cp,slot) ((cp)->lic_free &= ~(1 << (slot)))
293 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_RELSE)
294 void xfs_lic_relse(xfs_log_item_chunk_t
*cp
, int slot
);
295 #define XFS_LIC_RELSE(cp,slot) xfs_lic_relse(cp,slot)
297 #define XFS_LIC_RELSE(cp,slot) ((cp)->lic_free |= 1 << (slot))
299 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_SLOT)
300 xfs_log_item_desc_t
*xfs_lic_slot(xfs_log_item_chunk_t
*cp
, int slot
);
301 #define XFS_LIC_SLOT(cp,slot) xfs_lic_slot(cp,slot)
303 #define XFS_LIC_SLOT(cp,slot) (&((cp)->lic_descs[slot]))
305 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_DESC_TO_SLOT)
306 int xfs_lic_desc_to_slot(xfs_log_item_desc_t
*dp
);
307 #define XFS_LIC_DESC_TO_SLOT(dp) xfs_lic_desc_to_slot(dp)
309 #define XFS_LIC_DESC_TO_SLOT(dp) ((uint)((dp)->lid_index))
312 * Calculate the address of a chunk given a descriptor pointer:
313 * dp - dp->lid_index give the address of the start of the lic_descs array.
314 * From this we subtract the offset of the lic_descs field in a chunk.
315 * All of this yields the address of the chunk, which is
316 * cast to a chunk pointer.
318 #if XFS_WANT_FUNCS || (XFS_WANT_SPACE && XFSSO_XFS_LIC_DESC_TO_CHUNK)
319 xfs_log_item_chunk_t
*xfs_lic_desc_to_chunk(xfs_log_item_desc_t
*dp
);
320 #define XFS_LIC_DESC_TO_CHUNK(dp) xfs_lic_desc_to_chunk(dp)
322 #define XFS_LIC_DESC_TO_CHUNK(dp) ((xfs_log_item_chunk_t*) \
323 (((xfs_caddr_t)((dp) - (dp)->lid_index)) -\
324 (xfs_caddr_t)(((xfs_log_item_chunk_t*) \
330 * This structure is used to maintain a list of block ranges that have been
331 * freed in the transaction. The ranges are listed in the perag[] busy list
332 * between when they're freed and the transaction is committed to disk.
335 typedef struct xfs_log_busy_slot
{
336 xfs_agnumber_t lbc_ag
;
337 ushort lbc_idx
; /* index in perag.busy[] */
338 } xfs_log_busy_slot_t
;
340 #define XFS_LBC_NUM_SLOTS 31
341 typedef struct xfs_log_busy_chunk
{
342 struct xfs_log_busy_chunk
*lbc_next
;
343 uint lbc_free
; /* bitmask of free slots */
344 ushort lbc_unused
; /* first unused */
345 xfs_log_busy_slot_t lbc_busy
[XFS_LBC_NUM_SLOTS
];
346 } xfs_log_busy_chunk_t
;
348 #define XFS_LBC_MAX_SLOT (XFS_LBC_NUM_SLOTS - 1)
349 #define XFS_LBC_FREEMASK ((1U << XFS_LBC_NUM_SLOTS) - 1)
351 #define XFS_LBC_INIT(cp) ((cp)->lbc_free = XFS_LBC_FREEMASK)
352 #define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot)))
353 #define XFS_LBC_SLOT(cp, slot) (&((cp)->lbc_busy[(slot)]))
354 #define XFS_LBC_VACANCY(cp) (((cp)->lbc_free) & XFS_LBC_FREEMASK)
355 #define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot)))
358 * This is the type of function which can be given to xfs_trans_callback()
359 * to be called upon the transaction's commit to disk.
361 typedef void (*xfs_trans_callback_t
)(struct xfs_trans
*, void *);
364 * This is the structure maintained for every active transaction.
366 typedef struct xfs_trans
{
367 unsigned int t_magic
; /* magic number */
368 xfs_log_callback_t t_logcb
; /* log callback struct */
369 struct xfs_trans
*t_forw
; /* async list pointers */
370 struct xfs_trans
*t_back
; /* async list pointers */
371 unsigned int t_type
; /* transaction type */
372 unsigned int t_log_res
; /* amt of log space resvd */
373 unsigned int t_log_count
; /* count for perm log res */
374 unsigned int t_blk_res
; /* # of blocks resvd */
375 unsigned int t_blk_res_used
; /* # of resvd blocks used */
376 unsigned int t_rtx_res
; /* # of rt extents resvd */
377 unsigned int t_rtx_res_used
; /* # of resvd rt extents used */
378 xfs_log_ticket_t t_ticket
; /* log mgr ticket */
379 sema_t t_sema
; /* sema for commit completion */
380 xfs_lsn_t t_lsn
; /* log seq num of start of
382 xfs_lsn_t t_commit_lsn
; /* log seq num of end of
384 struct xfs_mount
*t_mountp
; /* ptr to fs mount struct */
385 struct xfs_dquot_acct
*t_dqinfo
; /* accting info for dquots */
386 xfs_trans_callback_t t_callback
; /* transaction callback */
387 void *t_callarg
; /* callback arg */
388 unsigned int t_flags
; /* misc flags */
389 long t_icount_delta
; /* superblock icount change */
390 long t_ifree_delta
; /* superblock ifree change */
391 long t_fdblocks_delta
; /* superblock fdblocks chg */
392 long t_res_fdblocks_delta
; /* on-disk only chg */
393 long t_frextents_delta
;/* superblock freextents chg*/
394 long t_res_frextents_delta
; /* on-disk only chg */
395 long t_ag_freeblks_delta
; /* debugging counter */
396 long t_ag_flist_delta
; /* debugging counter */
397 long t_ag_btree_delta
; /* debugging counter */
398 long t_dblocks_delta
;/* superblock dblocks change */
399 long t_agcount_delta
;/* superblock agcount change */
400 long t_imaxpct_delta
;/* superblock imaxpct change */
401 long t_rextsize_delta
;/* superblock rextsize chg */
402 long t_rbmblocks_delta
;/* superblock rbmblocks chg */
403 long t_rblocks_delta
;/* superblock rblocks change */
404 long t_rextents_delta
;/* superblocks rextents chg */
405 long t_rextslog_delta
;/* superblocks rextslog chg */
406 unsigned int t_items_free
; /* log item descs free */
407 xfs_log_item_chunk_t t_items
; /* first log item desc chunk */
408 xfs_trans_header_t t_header
; /* header for in-log trans */
409 unsigned int t_busy_free
; /* busy descs free */
410 xfs_log_busy_chunk_t t_busy
; /* busy/async free blocks */
411 xfs_pflags_t t_pflags
; /* saved pflags state */
414 #endif /* __KERNEL__ */
417 #define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */
419 * Values for t_flags.
421 #define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */
422 #define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */
423 #define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */
424 #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */
425 #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */
426 #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */
429 * Values for call flags parameter.
431 #define XFS_TRANS_NOSLEEP 0x1
432 #define XFS_TRANS_WAIT 0x2
433 #define XFS_TRANS_RELEASE_LOG_RES 0x4
434 #define XFS_TRANS_ABORT 0x8
437 * Field values for xfs_trans_mod_sb.
439 #define XFS_TRANS_SB_ICOUNT 0x00000001
440 #define XFS_TRANS_SB_IFREE 0x00000002
441 #define XFS_TRANS_SB_FDBLOCKS 0x00000004
442 #define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008
443 #define XFS_TRANS_SB_FREXTENTS 0x00000010
444 #define XFS_TRANS_SB_RES_FREXTENTS 0x00000020
445 #define XFS_TRANS_SB_DBLOCKS 0x00000040
446 #define XFS_TRANS_SB_AGCOUNT 0x00000080
447 #define XFS_TRANS_SB_IMAXPCT 0x00000100
448 #define XFS_TRANS_SB_REXTSIZE 0x00000200
449 #define XFS_TRANS_SB_RBMBLOCKS 0x00000400
450 #define XFS_TRANS_SB_RBLOCKS 0x00000800
451 #define XFS_TRANS_SB_REXTENTS 0x00001000
452 #define XFS_TRANS_SB_REXTSLOG 0x00002000
456 * Various log reservation values.
457 * These are based on the size of the file system block
458 * because that is what most transactions manipulate.
459 * Each adds in an additional 128 bytes per item logged to
460 * try to account for the overhead of the transaction mechanism.
463 * Most of the reservations underestimate the number of allocation
464 * groups into which they could free extents in the xfs_bmap_finish()
465 * call. This is because the number in the worst case is quite high
466 * and quite unusual. In order to fix this we need to change
467 * xfs_bmap_finish() to free extents in only a single AG at a time.
468 * This will require changes to the EFI code as well, however, so that
469 * the EFI for the extents not freed is logged again in each transaction.
474 * Per-extent log reservation for the allocation btree changes
475 * involved in freeing or allocating an extent.
476 * 2 trees * (2 blocks/level * max depth - 1) * block size
478 #define XFS_ALLOCFREE_LOG_RES(mp,nx) \
479 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1)))
480 #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \
481 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1)))
484 * Per-directory log reservation for any directory change.
485 * dir blocks: (1 btree block per level + data block + free block) * dblock size
486 * bmap btree: (levels + 2) * max depth * block size
487 * v2 directory blocks can be fragmented below the dirblksize down to the fsb
488 * size, so account for that in the DAENTER macros.
490 #define XFS_DIROP_LOG_RES(mp) \
491 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \
492 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)))
493 #define XFS_DIROP_LOG_COUNT(mp) \
494 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \
495 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)
498 * In a write transaction we can allocate a maximum of 2
499 * extents. This gives:
500 * the inode getting the new extents: inode size
501 * the inode\'s bmap btree: max depth * block size
502 * the agfs of the ags from which the extents are allocated: 2 * sector
503 * the superblock free block counter: sector size
504 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
505 * And the bmap_finish transaction can free bmap blocks in a join:
506 * the agfs of the ags containing the blocks: 2 * sector size
507 * the agfls of the ags containing the blocks: 2 * sector size
508 * the super block free block counter: sector size
509 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
511 #define XFS_CALC_WRITE_LOG_RES(mp) \
513 ((mp)->m_sb.sb_inodesize + \
514 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \
515 (2 * (mp)->m_sb.sb_sectsize) + \
516 (mp)->m_sb.sb_sectsize + \
517 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
518 (128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))),\
519 ((2 * (mp)->m_sb.sb_sectsize) + \
520 (2 * (mp)->m_sb.sb_sectsize) + \
521 (mp)->m_sb.sb_sectsize + \
522 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
523 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
525 #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write)
528 * In truncating a file we free up to two extents at once. We can modify:
529 * the inode being truncated: inode size
530 * the inode\'s bmap btree: (max depth + 1) * block size
531 * And the bmap_finish transaction can free the blocks and bmap blocks:
532 * the agf for each of the ags: 4 * sector size
533 * the agfl for each of the ags: 4 * sector size
534 * the super block to reflect the freed blocks: sector size
535 * worst case split in allocation btrees per extent assuming 4 extents:
536 * 4 exts * 2 trees * (2 * max depth - 1) * block size
537 * the inode btree: max depth * blocksize
538 * the allocation btrees: 2 trees * (max depth - 1) * block size
540 #define XFS_CALC_ITRUNCATE_LOG_RES(mp) \
542 ((mp)->m_sb.sb_inodesize + \
543 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + \
544 (128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \
545 ((4 * (mp)->m_sb.sb_sectsize) + \
546 (4 * (mp)->m_sb.sb_sectsize) + \
547 (mp)->m_sb.sb_sectsize + \
548 XFS_ALLOCFREE_LOG_RES(mp, 4) + \
549 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \
551 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
552 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
553 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
555 #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate)
558 * In renaming a files we can modify:
559 * the four inodes involved: 4 * inode size
560 * the two directory btrees: 2 * (max depth + v2) * dir block size
561 * the two directory bmap btrees: 2 * max depth * block size
562 * And the bmap_finish transaction can free dir and bmap blocks (two sets
563 * of bmap blocks) giving:
564 * the agf for the ags in which the blocks live: 3 * sector size
565 * the agfl for the ags in which the blocks live: 3 * sector size
566 * the superblock for the free block count: sector size
567 * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size
569 #define XFS_CALC_RENAME_LOG_RES(mp) \
571 ((4 * (mp)->m_sb.sb_inodesize) + \
572 (2 * XFS_DIROP_LOG_RES(mp)) + \
573 (128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp)))), \
574 ((3 * (mp)->m_sb.sb_sectsize) + \
575 (3 * (mp)->m_sb.sb_sectsize) + \
576 (mp)->m_sb.sb_sectsize + \
577 XFS_ALLOCFREE_LOG_RES(mp, 3) + \
578 (128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3))))))
580 #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename)
583 * For creating a link to an inode:
584 * the parent directory inode: inode size
585 * the linked inode: inode size
586 * the directory btree could split: (max depth + v2) * dir block size
587 * the directory bmap btree could join or split: (max depth + v2) * blocksize
588 * And the bmap_finish transaction can free some bmap blocks giving:
589 * the agf for the ag in which the blocks live: sector size
590 * the agfl for the ag in which the blocks live: sector size
591 * the superblock for the free block count: sector size
592 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size
594 #define XFS_CALC_LINK_LOG_RES(mp) \
596 ((mp)->m_sb.sb_inodesize + \
597 (mp)->m_sb.sb_inodesize + \
598 XFS_DIROP_LOG_RES(mp) + \
599 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \
600 ((mp)->m_sb.sb_sectsize + \
601 (mp)->m_sb.sb_sectsize + \
602 (mp)->m_sb.sb_sectsize + \
603 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
604 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
606 #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link)
609 * For removing a directory entry we can modify:
610 * the parent directory inode: inode size
611 * the removed inode: inode size
612 * the directory btree could join: (max depth + v2) * dir block size
613 * the directory bmap btree could join or split: (max depth + v2) * blocksize
614 * And the bmap_finish transaction can free the dir and bmap blocks giving:
615 * the agf for the ag in which the blocks live: 2 * sector size
616 * the agfl for the ag in which the blocks live: 2 * sector size
617 * the superblock for the free block count: sector size
618 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
620 #define XFS_CALC_REMOVE_LOG_RES(mp) \
622 ((mp)->m_sb.sb_inodesize + \
623 (mp)->m_sb.sb_inodesize + \
624 XFS_DIROP_LOG_RES(mp) + \
625 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \
626 ((2 * (mp)->m_sb.sb_sectsize) + \
627 (2 * (mp)->m_sb.sb_sectsize) + \
628 (mp)->m_sb.sb_sectsize + \
629 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
630 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
632 #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove)
635 * For symlink we can modify:
636 * the parent directory inode: inode size
637 * the new inode: inode size
638 * the inode btree entry: 1 block
639 * the directory btree: (max depth + v2) * dir block size
640 * the directory inode\'s bmap btree: (max depth + v2) * block size
641 * the blocks for the symlink: 1 KB
642 * Or in the first xact we allocate some inodes giving:
643 * the agi and agf of the ag getting the new inodes: 2 * sectorsize
644 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize
645 * the inode btree: max depth * blocksize
646 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size
648 #define XFS_CALC_SYMLINK_LOG_RES(mp) \
650 ((mp)->m_sb.sb_inodesize + \
651 (mp)->m_sb.sb_inodesize + \
652 XFS_FSB_TO_B(mp, 1) + \
653 XFS_DIROP_LOG_RES(mp) + \
655 (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \
656 (2 * (mp)->m_sb.sb_sectsize + \
657 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \
658 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \
659 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
660 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
661 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
663 #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink)
666 * For create we can modify:
667 * the parent directory inode: inode size
668 * the new inode: inode size
669 * the inode btree entry: block size
670 * the superblock for the nlink flag: sector size
671 * the directory btree: (max depth + v2) * dir block size
672 * the directory inode\'s bmap btree: (max depth + v2) * block size
673 * Or in the first xact we allocate some inodes giving:
674 * the agi and agf of the ag getting the new inodes: 2 * sectorsize
675 * the superblock for the nlink flag: sector size
676 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize
677 * the inode btree: max depth * blocksize
678 * the allocation btrees: 2 trees * (max depth - 1) * block size
680 #define XFS_CALC_CREATE_LOG_RES(mp) \
682 ((mp)->m_sb.sb_inodesize + \
683 (mp)->m_sb.sb_inodesize + \
684 (mp)->m_sb.sb_sectsize + \
685 XFS_FSB_TO_B(mp, 1) + \
686 XFS_DIROP_LOG_RES(mp) + \
687 (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \
688 (3 * (mp)->m_sb.sb_sectsize + \
689 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \
690 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \
691 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
692 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
693 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
695 #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create)
698 * Making a new directory is the same as creating a new file.
700 #define XFS_CALC_MKDIR_LOG_RES(mp) XFS_CALC_CREATE_LOG_RES(mp)
702 #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir)
705 * In freeing an inode we can modify:
706 * the inode being freed: inode size
707 * the super block free inode counter: sector size
708 * the agi hash list and counters: sector size
709 * the inode btree entry: block size
710 * the on disk inode before ours in the agi hash list: inode cluster size
711 * the inode btree: max depth * blocksize
712 * the allocation btrees: 2 trees * (max depth - 1) * block size
714 #define XFS_CALC_IFREE_LOG_RES(mp) \
715 ((mp)->m_sb.sb_inodesize + \
716 (mp)->m_sb.sb_sectsize + \
717 (mp)->m_sb.sb_sectsize + \
718 XFS_FSB_TO_B((mp), 1) + \
719 MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \
721 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
722 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
723 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
726 #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree)
729 * When only changing the inode we log the inode and possibly the superblock
730 * We also add a bit of slop for the transaction stuff.
732 #define XFS_CALC_ICHANGE_LOG_RES(mp) ((mp)->m_sb.sb_inodesize + \
733 (mp)->m_sb.sb_sectsize + 512)
735 #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange)
738 * Growing the data section of the filesystem.
743 #define XFS_CALC_GROWDATA_LOG_RES(mp) \
744 ((mp)->m_sb.sb_sectsize * 3 + \
745 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
746 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
748 #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata)
751 * Growing the rt section of the filesystem.
752 * In the first set of transactions (ALLOC) we allocate space to the
753 * bitmap or summary files.
754 * superblock: sector size
755 * agf of the ag from which the extent is allocated: sector size
756 * bmap btree for bitmap/summary inode: max depth * blocksize
757 * bitmap/summary inode: inode size
758 * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize
760 #define XFS_CALC_GROWRTALLOC_LOG_RES(mp) \
761 (2 * (mp)->m_sb.sb_sectsize + \
762 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \
763 (mp)->m_sb.sb_inodesize + \
764 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
766 (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + \
767 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
769 #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc)
772 * Growing the rt section of the filesystem.
773 * In the second set of transactions (ZERO) we zero the new metadata blocks.
774 * one bitmap/summary block: blocksize
776 #define XFS_CALC_GROWRTZERO_LOG_RES(mp) \
777 ((mp)->m_sb.sb_blocksize + 128)
779 #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero)
782 * Growing the rt section of the filesystem.
783 * In the third set of transactions (FREE) we update metadata without
784 * allocating any new blocks.
785 * superblock: sector size
786 * bitmap inode: inode size
787 * summary inode: inode size
788 * one bitmap block: blocksize
789 * summary blocks: new summary size
791 #define XFS_CALC_GROWRTFREE_LOG_RES(mp) \
792 ((mp)->m_sb.sb_sectsize + \
793 2 * (mp)->m_sb.sb_inodesize + \
794 (mp)->m_sb.sb_blocksize + \
798 #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree)
801 * Logging the inode modification timestamp on a synchronous write.
804 #define XFS_CALC_SWRITE_LOG_RES(mp) \
805 ((mp)->m_sb.sb_inodesize + 128)
807 #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
810 * Logging the inode timestamps on an fsync -- same as SWRITE
811 * as long as SWRITE logs the entire inode core
813 #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
816 * Logging the inode mode bits when writing a setuid/setgid file
819 #define XFS_CALC_WRITEID_LOG_RES(mp) \
820 ((mp)->m_sb.sb_inodesize + 128)
822 #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
825 * Converting the inode from non-attributed to attributed.
826 * the inode being converted: inode size
827 * agf block and superblock (for block allocation)
828 * the new block (directory sized)
829 * bmap blocks for the new directory block
832 #define XFS_CALC_ADDAFORK_LOG_RES(mp) \
833 ((mp)->m_sb.sb_inodesize + \
834 (mp)->m_sb.sb_sectsize * 2 + \
835 (mp)->m_dirblksize + \
836 (XFS_DIR_IS_V1(mp) ? 0 : \
837 XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1))) + \
838 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
840 (XFS_DIR_IS_V1(mp) ? 0 : \
841 XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \
842 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
844 #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork)
847 * Removing the attribute fork of a file
848 * the inode being truncated: inode size
849 * the inode\'s bmap btree: max depth * block size
850 * And the bmap_finish transaction can free the blocks and bmap blocks:
851 * the agf for each of the ags: 4 * sector size
852 * the agfl for each of the ags: 4 * sector size
853 * the super block to reflect the freed blocks: sector size
854 * worst case split in allocation btrees per extent assuming 4 extents:
855 * 4 exts * 2 trees * (2 * max depth - 1) * block size
857 #define XFS_CALC_ATTRINVAL_LOG_RES(mp) \
859 ((mp)->m_sb.sb_inodesize + \
860 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \
861 (128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))), \
862 ((4 * (mp)->m_sb.sb_sectsize) + \
863 (4 * (mp)->m_sb.sb_sectsize) + \
864 (mp)->m_sb.sb_sectsize + \
865 XFS_ALLOCFREE_LOG_RES(mp, 4) + \
866 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))))))
868 #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval)
871 * Setting an attribute.
872 * the inode getting the attribute
873 * the superblock for allocations
874 * the agfs extents are allocated from
875 * the attribute btree * max depth
876 * the inode allocation btree
877 * Since attribute transaction space is dependent on the size of the attribute,
878 * the calculation is done partially at mount time and partially at runtime.
880 #define XFS_CALC_ATTRSET_LOG_RES(mp) \
881 ((mp)->m_sb.sb_inodesize + \
882 (mp)->m_sb.sb_sectsize + \
883 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \
884 (128 * (2 + XFS_DA_NODE_MAXDEPTH)))
886 #define XFS_ATTRSET_LOG_RES(mp, ext) \
887 ((mp)->m_reservations.tr_attrset + \
888 (ext * (mp)->m_sb.sb_sectsize) + \
889 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \
890 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))))
893 * Removing an attribute.
894 * the inode: inode size
895 * the attribute btree could join: max depth * block size
896 * the inode bmap btree could join or split: max depth * block size
897 * And the bmap_finish transaction can free the attr blocks freed giving:
898 * the agf for the ag in which the blocks live: 2 * sector size
899 * the agfl for the ag in which the blocks live: 2 * sector size
900 * the superblock for the free block count: sector size
901 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
903 #define XFS_CALC_ATTRRM_LOG_RES(mp) \
905 ((mp)->m_sb.sb_inodesize + \
906 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \
907 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \
908 (128 * (1 + XFS_DA_NODE_MAXDEPTH + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \
909 ((2 * (mp)->m_sb.sb_sectsize) + \
910 (2 * (mp)->m_sb.sb_sectsize) + \
911 (mp)->m_sb.sb_sectsize + \
912 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
913 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
915 #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm)
918 * Clearing a bad agino number in an agi hash bucket.
920 #define XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp) \
921 ((mp)->m_sb.sb_sectsize + 128)
923 #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
927 * Various log count values.
929 #define XFS_DEFAULT_LOG_COUNT 1
930 #define XFS_DEFAULT_PERM_LOG_COUNT 2
931 #define XFS_ITRUNCATE_LOG_COUNT 2
932 #define XFS_INACTIVE_LOG_COUNT 2
933 #define XFS_CREATE_LOG_COUNT 2
934 #define XFS_MKDIR_LOG_COUNT 3
935 #define XFS_SYMLINK_LOG_COUNT 3
936 #define XFS_REMOVE_LOG_COUNT 2
937 #define XFS_LINK_LOG_COUNT 2
938 #define XFS_RENAME_LOG_COUNT 2
939 #define XFS_WRITE_LOG_COUNT 2
940 #define XFS_ADDAFORK_LOG_COUNT 2
941 #define XFS_ATTRINVAL_LOG_COUNT 1
942 #define XFS_ATTRSET_LOG_COUNT 3
943 #define XFS_ATTRRM_LOG_COUNT 3
946 * Here we centralize the specification of XFS meta-data buffer
947 * reference count values. This determine how hard the buffer
948 * cache tries to hold onto the buffer.
950 #define XFS_AGF_REF 4
951 #define XFS_AGI_REF 4
952 #define XFS_AGFL_REF 3
953 #define XFS_INO_BTREE_REF 3
954 #define XFS_ALLOC_BTREE_REF 2
955 #define XFS_BMAP_BTREE_REF 2
956 #define XFS_DIR_BTREE_REF 2
957 #define XFS_ATTR_BTREE_REF 1
958 #define XFS_INO_REF 1
959 #define XFS_DQUOT_REF 1
963 * XFS transaction mechanism exported interfaces that are
966 #define xfs_trans_get_log_res(tp) ((tp)->t_log_res)
967 #define xfs_trans_get_log_count(tp) ((tp)->t_log_count)
968 #define xfs_trans_get_block_res(tp) ((tp)->t_blk_res)
969 #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
972 #define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (long)d)
973 #define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (long)d)
974 #define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (long)d)
976 #define xfs_trans_agblocks_delta(tp, d)
977 #define xfs_trans_agflist_delta(tp, d)
978 #define xfs_trans_agbtree_delta(tp, d)
982 * XFS transaction mechanism exported interfaces.
984 void xfs_trans_init(struct xfs_mount
*);
985 xfs_trans_t
*xfs_trans_alloc(struct xfs_mount
*, uint
);
986 xfs_trans_t
*_xfs_trans_alloc(struct xfs_mount
*, uint
);
987 xfs_trans_t
*xfs_trans_dup(xfs_trans_t
*);
988 int xfs_trans_reserve(xfs_trans_t
*, uint
, uint
, uint
,
990 void xfs_trans_callback(xfs_trans_t
*,
991 void (*)(xfs_trans_t
*, void *), void *);
992 void xfs_trans_mod_sb(xfs_trans_t
*, uint
, long);
993 struct xfs_buf
*xfs_trans_get_buf(xfs_trans_t
*, struct xfs_buftarg
*, xfs_daddr_t
,
995 int xfs_trans_read_buf(struct xfs_mount
*, xfs_trans_t
*,
996 struct xfs_buftarg
*, xfs_daddr_t
, int, uint
,
998 struct xfs_buf
*xfs_trans_getsb(xfs_trans_t
*, struct xfs_mount
*, int);
1000 void xfs_trans_brelse(xfs_trans_t
*, struct xfs_buf
*);
1001 void xfs_trans_bjoin(xfs_trans_t
*, struct xfs_buf
*);
1002 void xfs_trans_bhold(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
, 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_ihold_release(xfs_trans_t
*, struct xfs_inode
*);
1014 void xfs_trans_log_buf(xfs_trans_t
*, struct xfs_buf
*, uint
, uint
);
1015 void xfs_trans_log_inode(xfs_trans_t
*, struct xfs_inode
*, uint
);
1016 struct xfs_efi_log_item
*xfs_trans_get_efi(xfs_trans_t
*, uint
);
1017 void xfs_efi_release(struct xfs_efi_log_item
*, uint
);
1018 void xfs_trans_log_efi_extent(xfs_trans_t
*,
1019 struct xfs_efi_log_item
*,
1022 struct xfs_efd_log_item
*xfs_trans_get_efd(xfs_trans_t
*,
1023 struct xfs_efi_log_item
*,
1025 void xfs_trans_log_efd_extent(xfs_trans_t
*,
1026 struct xfs_efd_log_item
*,
1029 int xfs_trans_commit(xfs_trans_t
*, uint flags
, xfs_lsn_t
*);
1030 void xfs_trans_cancel(xfs_trans_t
*, int);
1031 void xfs_trans_ail_init(struct xfs_mount
*);
1032 xfs_lsn_t
xfs_trans_push_ail(struct xfs_mount
*, xfs_lsn_t
);
1033 xfs_lsn_t
xfs_trans_tail_ail(struct xfs_mount
*);
1034 void xfs_trans_unlocked_item(struct xfs_mount
*,
1036 xfs_log_busy_slot_t
*xfs_trans_add_busy(xfs_trans_t
*tp
,
1040 #endif /* __KERNEL__ */
1042 #endif /* __XFS_TRANS_H__ */