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 struct xfs_log_item_desc {
165 struct xfs_log_item *lid_item;
167 unsigned char lid_flags;
168 struct list_head lid_trans;
171 #define XFS_LID_DIRTY 0x1
173 #define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */
175 * Values for t_flags.
177 #define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */
178 #define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */
179 #define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */
180 #define XFS_TRANS_SYNC 0x08 /* make commit synchronous */
181 #define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */
182 #define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */
185 * Values for call flags parameter.
187 #define XFS_TRANS_NOSLEEP 0x1
188 #define XFS_TRANS_WAIT 0x2
189 #define XFS_TRANS_RELEASE_LOG_RES 0x4
190 #define XFS_TRANS_ABORT 0x8
193 * Field values for xfs_trans_mod_sb.
195 #define XFS_TRANS_SB_ICOUNT 0x00000001
196 #define XFS_TRANS_SB_IFREE 0x00000002
197 #define XFS_TRANS_SB_FDBLOCKS 0x00000004
198 #define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008
199 #define XFS_TRANS_SB_FREXTENTS 0x00000010
200 #define XFS_TRANS_SB_RES_FREXTENTS 0x00000020
201 #define XFS_TRANS_SB_DBLOCKS 0x00000040
202 #define XFS_TRANS_SB_AGCOUNT 0x00000080
203 #define XFS_TRANS_SB_IMAXPCT 0x00000100
204 #define XFS_TRANS_SB_REXTSIZE 0x00000200
205 #define XFS_TRANS_SB_RBMBLOCKS 0x00000400
206 #define XFS_TRANS_SB_RBLOCKS 0x00000800
207 #define XFS_TRANS_SB_REXTENTS 0x00001000
208 #define XFS_TRANS_SB_REXTSLOG 0x00002000
212 * Per-extent log reservation for the allocation btree changes
213 * involved in freeing or allocating an extent.
214 * 2 trees * (2 blocks/level * max depth - 1) * block size
216 #define XFS_ALLOCFREE_LOG_RES(mp,nx) \
217 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1)))
218 #define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \
219 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1)))
222 * Per-directory log reservation for any directory change.
223 * dir blocks: (1 btree block per level + data block + free block) * dblock size
224 * bmap btree: (levels + 2) * max depth * block size
225 * v2 directory blocks can be fragmented below the dirblksize down to the fsb
226 * size, so account for that in the DAENTER macros.
228 #define XFS_DIROP_LOG_RES(mp) \
229 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \
230 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)))
231 #define XFS_DIROP_LOG_COUNT(mp) \
232 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \
233 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)
236 #define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write)
237 #define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate)
238 #define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename)
239 #define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link)
240 #define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove)
241 #define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink)
242 #define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create)
243 #define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir)
244 #define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree)
245 #define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange)
246 #define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata)
247 #define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc)
248 #define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero)
249 #define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree)
250 #define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
252 * Logging the inode timestamps on an fsync -- same as SWRITE
253 * as long as SWRITE logs the entire inode core
255 #define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
256 #define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
257 #define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork)
258 #define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval)
259 #define XFS_ATTRSET_LOG_RES(mp, ext) \
260 ((mp)->m_reservations.tr_attrset + \
261 (ext * (mp)->m_sb.sb_sectsize) + \
262 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \
263 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))))
264 #define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm)
265 #define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
269 * Various log count values.
271 #define XFS_DEFAULT_LOG_COUNT 1
272 #define XFS_DEFAULT_PERM_LOG_COUNT 2
273 #define XFS_ITRUNCATE_LOG_COUNT 2
274 #define XFS_INACTIVE_LOG_COUNT 2
275 #define XFS_CREATE_LOG_COUNT 2
276 #define XFS_MKDIR_LOG_COUNT 3
277 #define XFS_SYMLINK_LOG_COUNT 3
278 #define XFS_REMOVE_LOG_COUNT 2
279 #define XFS_LINK_LOG_COUNT 2
280 #define XFS_RENAME_LOG_COUNT 2
281 #define XFS_WRITE_LOG_COUNT 2
282 #define XFS_ADDAFORK_LOG_COUNT 2
283 #define XFS_ATTRINVAL_LOG_COUNT 1
284 #define XFS_ATTRSET_LOG_COUNT 3
285 #define XFS_ATTRRM_LOG_COUNT 3
288 * Here we centralize the specification of XFS meta-data buffer
289 * reference count values. This determine how hard the buffer
290 * cache tries to hold onto the buffer.
292 #define XFS_AGF_REF 4
293 #define XFS_AGI_REF 4
294 #define XFS_AGFL_REF 3
295 #define XFS_INO_BTREE_REF 3
296 #define XFS_ALLOC_BTREE_REF 2
297 #define XFS_BMAP_BTREE_REF 2
298 #define XFS_DIR_BTREE_REF 2
299 #define XFS_ATTR_BTREE_REF 1
300 #define XFS_INO_REF 1
301 #define XFS_DQUOT_REF 1
307 struct xfs_efd_log_item;
308 struct xfs_efi_log_item;
311 struct xfs_log_iovec;
312 struct xfs_log_item_desc;
315 struct xfs_dquot_acct;
316 struct xfs_busy_extent;
318 typedef struct xfs_log_item {
319 struct list_head li_ail; /* AIL pointers */
320 xfs_lsn_t li_lsn; /* last on-disk lsn */
321 struct xfs_log_item_desc *li_desc; /* ptr to current desc*/
322 struct xfs_mount *li_mountp; /* ptr to fs mount */
323 struct xfs_ail *li_ailp; /* ptr to AIL */
324 uint li_type; /* item type */
325 uint li_flags; /* misc flags */
326 struct xfs_log_item *li_bio_list; /* buffer item list */
327 void (*li_cb)(struct xfs_buf *,
328 struct xfs_log_item *);
329 /* buffer item iodone */
331 struct xfs_item_ops *li_ops; /* function list */
333 /* delayed logging */
334 struct list_head li_cil; /* CIL pointers */
335 struct xfs_log_vec *li_lv; /* active log vector */
336 xfs_lsn_t li_seq; /* CIL commit seq */
339 #define XFS_LI_IN_AIL 0x1
340 #define XFS_LI_ABORTED 0x2
342 #define XFS_LI_FLAGS \
343 { XFS_LI_IN_AIL, "IN_AIL" }, \
344 { XFS_LI_ABORTED, "ABORTED" }
346 typedef struct xfs_item_ops {
347 uint (*iop_size)(xfs_log_item_t *);
348 void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
349 void (*iop_pin)(xfs_log_item_t *);
350 void (*iop_unpin)(xfs_log_item_t *, int remove);
351 uint (*iop_trylock)(xfs_log_item_t *);
352 void (*iop_unlock)(xfs_log_item_t *);
353 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
354 void (*iop_push)(xfs_log_item_t *);
355 void (*iop_pushbuf)(xfs_log_item_t *);
356 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
359 #define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip)
360 #define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp)
361 #define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip)
362 #define IOP_UNPIN(ip, remove) (*(ip)->li_ops->iop_unpin)(ip, remove)
363 #define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip)
364 #define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip)
365 #define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn)
366 #define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip)
367 #define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip)
368 #define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
371 * Return values for the IOP_TRYLOCK() routines.
373 #define XFS_ITEM_SUCCESS 0
374 #define XFS_ITEM_PINNED 1
375 #define XFS_ITEM_LOCKED 2
376 #define XFS_ITEM_PUSHBUF 3
379 * This is the type of function which can be given to xfs_trans_callback()
380 * to be called upon the transaction's commit to disk.
382 typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *);
385 * This is the structure maintained for every active transaction.
387 typedef struct xfs_trans {
388 unsigned int t_magic; /* magic number */
389 xfs_log_callback_t t_logcb; /* log callback struct */
390 unsigned int t_type; /* transaction type */
391 unsigned int t_log_res; /* amt of log space resvd */
392 unsigned int t_log_count; /* count for perm log res */
393 unsigned int t_blk_res; /* # of blocks resvd */
394 unsigned int t_blk_res_used; /* # of resvd blocks used */
395 unsigned int t_rtx_res; /* # of rt extents resvd */
396 unsigned int t_rtx_res_used; /* # of resvd rt extents used */
397 struct xlog_ticket *t_ticket; /* log mgr ticket */
398 xfs_lsn_t t_lsn; /* log seq num of start of
400 xfs_lsn_t t_commit_lsn; /* log seq num of end of
402 struct xfs_mount *t_mountp; /* ptr to fs mount struct */
403 struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
404 xfs_trans_callback_t t_callback; /* transaction callback */
405 void *t_callarg; /* callback arg */
406 unsigned int t_flags; /* misc flags */
407 int64_t t_icount_delta; /* superblock icount change */
408 int64_t t_ifree_delta; /* superblock ifree change */
409 int64_t t_fdblocks_delta; /* superblock fdblocks chg */
410 int64_t t_res_fdblocks_delta; /* on-disk only chg */
411 int64_t t_frextents_delta;/* superblock freextents chg*/
412 int64_t t_res_frextents_delta; /* on-disk only chg */
414 int64_t t_ag_freeblks_delta; /* debugging counter */
415 int64_t t_ag_flist_delta; /* debugging counter */
416 int64_t t_ag_btree_delta; /* debugging counter */
418 int64_t t_dblocks_delta;/* superblock dblocks change */
419 int64_t t_agcount_delta;/* superblock agcount change */
420 int64_t t_imaxpct_delta;/* superblock imaxpct change */
421 int64_t t_rextsize_delta;/* superblock rextsize chg */
422 int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */
423 int64_t t_rblocks_delta;/* superblock rblocks change */
424 int64_t t_rextents_delta;/* superblocks rextents chg */
425 int64_t t_rextslog_delta;/* superblocks rextslog chg */
426 struct list_head t_items; /* log item descriptors */
427 xfs_trans_header_t t_header; /* header for in-log trans */
428 struct list_head t_busy; /* list of busy extents */
429 unsigned long t_pflags; /* saved process flags state */
433 * XFS transaction mechanism exported interfaces that are
436 #define xfs_trans_get_log_res(tp) ((tp)->t_log_res)
437 #define xfs_trans_get_log_count(tp) ((tp)->t_log_count)
438 #define xfs_trans_get_block_res(tp) ((tp)->t_blk_res)
439 #define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
442 #define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d)
443 #define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d)
444 #define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d)
446 #define xfs_trans_agblocks_delta(tp, d)
447 #define xfs_trans_agflist_delta(tp, d)
448 #define xfs_trans_agbtree_delta(tp, d)
452 * XFS transaction mechanism exported interfaces.
454 xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint);
455 xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint, uint);
456 xfs_trans_t *xfs_trans_dup(xfs_trans_t *);
457 int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint,
459 void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
460 struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t,
462 int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *,
463 struct xfs_buftarg *, xfs_daddr_t, int, uint,
465 struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int);
467 void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
468 void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
469 void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
470 void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
471 void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
472 void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
473 void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
474 void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
475 void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
476 int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *,
477 xfs_ino_t , uint, uint, struct xfs_inode **);
478 void xfs_trans_ijoin_ref(struct xfs_trans *, struct xfs_inode *, uint);
479 void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *);
480 void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
481 void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
482 struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint);
483 void xfs_efi_release(struct xfs_efi_log_item *, uint);
484 void xfs_trans_log_efi_extent(xfs_trans_t *,
485 struct xfs_efi_log_item *,
488 struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *,
489 struct xfs_efi_log_item *,
491 void xfs_trans_log_efd_extent(xfs_trans_t *,
492 struct xfs_efd_log_item *,
495 int _xfs_trans_commit(xfs_trans_t *,
498 #define xfs_trans_commit(tp, flags) _xfs_trans_commit(tp, flags, NULL)
499 void xfs_trans_cancel(xfs_trans_t *, int);
500 int xfs_trans_ail_init(struct xfs_mount *);
501 void xfs_trans_ail_destroy(struct xfs_mount *);
503 extern kmem_zone_t *xfs_trans_zone;
504 extern kmem_zone_t *xfs_log_item_desc_zone;
506 #endif /* __KERNEL__ */
508 void xfs_trans_init(struct xfs_mount *);
509 int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
511 #endif /* __XFS_TRANS_H__ */