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18#ifndef __XFS_TRANS_H__
19#define __XFS_TRANS_H__
20
21struct xfs_log_item;
22
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30
31
32typedef struct xfs_trans_header {
33 uint th_magic;
34 uint th_type;
35 __int32_t th_tid;
36 uint th_num_items;
37} xfs_trans_header_t;
38
39#define XFS_TRANS_HEADER_MAGIC 0x5452414e
40
41
42
43
44#define XFS_LI_EFI 0x1236
45#define XFS_LI_EFD 0x1237
46#define XFS_LI_IUNLINK 0x1238
47#define XFS_LI_INODE 0x123b
48#define XFS_LI_BUF 0x123c
49#define XFS_LI_DQUOT 0x123d
50#define XFS_LI_QUOTAOFF 0x123e
51
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" }
60
61
62
63
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
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
90
91
92
93
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
112
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" }
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162
163
164struct xfs_log_item_desc {
165 struct xfs_log_item *lid_item;
166 struct list_head lid_trans;
167 unsigned char lid_flags;
168};
169
170#define XFS_LID_DIRTY 0x1
171
172#define XFS_TRANS_MAGIC 0x5452414E
173
174
175
176#define XFS_TRANS_DIRTY 0x01
177#define XFS_TRANS_SB_DIRTY 0x02
178#define XFS_TRANS_PERM_LOG_RES 0x04
179#define XFS_TRANS_SYNC 0x08
180#define XFS_TRANS_DQ_DIRTY 0x10
181#define XFS_TRANS_RESERVE 0x20
182#define XFS_TRANS_FREEZE_PROT 0x40
183
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186
187
188#define XFS_TRANS_RELEASE_LOG_RES 0x4
189#define XFS_TRANS_ABORT 0x8
190
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193
194#define XFS_TRANS_SB_ICOUNT 0x00000001
195#define XFS_TRANS_SB_IFREE 0x00000002
196#define XFS_TRANS_SB_FDBLOCKS 0x00000004
197#define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008
198#define XFS_TRANS_SB_FREXTENTS 0x00000010
199#define XFS_TRANS_SB_RES_FREXTENTS 0x00000020
200#define XFS_TRANS_SB_DBLOCKS 0x00000040
201#define XFS_TRANS_SB_AGCOUNT 0x00000080
202#define XFS_TRANS_SB_IMAXPCT 0x00000100
203#define XFS_TRANS_SB_REXTSIZE 0x00000200
204#define XFS_TRANS_SB_RBMBLOCKS 0x00000400
205#define XFS_TRANS_SB_RBLOCKS 0x00000800
206#define XFS_TRANS_SB_REXTENTS 0x00001000
207#define XFS_TRANS_SB_REXTSLOG 0x00002000
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214
215#define XFS_ALLOCFREE_LOG_RES(mp,nx) \
216 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1)))
217#define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \
218 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1)))
219
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225
226
227#define XFS_DIROP_LOG_RES(mp) \
228 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \
229 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)))
230#define XFS_DIROP_LOG_COUNT(mp) \
231 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \
232 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)
233
234
235#define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write)
236#define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate)
237#define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename)
238#define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link)
239#define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove)
240#define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink)
241#define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create)
242#define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir)
243#define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree)
244#define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange)
245#define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata)
246#define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc)
247#define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero)
248#define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree)
249#define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
250
251
252
253
254#define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
255#define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
256#define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork)
257#define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval)
258#define XFS_ATTRSET_LOG_RES(mp, ext) \
259 ((mp)->m_reservations.tr_attrset + \
260 (ext * (mp)->m_sb.sb_sectsize) + \
261 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \
262 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))))
263#define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm)
264#define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
265
266
267
268
269
270#define XFS_DEFAULT_LOG_COUNT 1
271#define XFS_DEFAULT_PERM_LOG_COUNT 2
272#define XFS_ITRUNCATE_LOG_COUNT 2
273#define XFS_INACTIVE_LOG_COUNT 2
274#define XFS_CREATE_LOG_COUNT 2
275#define XFS_MKDIR_LOG_COUNT 3
276#define XFS_SYMLINK_LOG_COUNT 3
277#define XFS_REMOVE_LOG_COUNT 2
278#define XFS_LINK_LOG_COUNT 2
279#define XFS_RENAME_LOG_COUNT 2
280#define XFS_WRITE_LOG_COUNT 2
281#define XFS_ADDAFORK_LOG_COUNT 2
282#define XFS_ATTRINVAL_LOG_COUNT 1
283#define XFS_ATTRSET_LOG_COUNT 3
284#define XFS_ATTRRM_LOG_COUNT 3
285
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289
290
291#define XFS_AGF_REF 4
292#define XFS_AGI_REF 4
293#define XFS_AGFL_REF 3
294#define XFS_INO_BTREE_REF 3
295#define XFS_ALLOC_BTREE_REF 2
296#define XFS_BMAP_BTREE_REF 2
297#define XFS_DIR_BTREE_REF 2
298#define XFS_INO_REF 2
299#define XFS_ATTR_BTREE_REF 1
300#define XFS_DQUOT_REF 1
301
302#ifdef __KERNEL__
303
304struct xfs_buf;
305struct xfs_buftarg;
306struct xfs_efd_log_item;
307struct xfs_efi_log_item;
308struct xfs_inode;
309struct xfs_item_ops;
310struct xfs_log_iovec;
311struct xfs_log_item_desc;
312struct xfs_mount;
313struct xfs_trans;
314struct xfs_dquot_acct;
315struct xfs_busy_extent;
316
317typedef struct xfs_log_item {
318 struct list_head li_ail;
319 xfs_lsn_t li_lsn;
320 struct xfs_log_item_desc *li_desc;
321 struct xfs_mount *li_mountp;
322 struct xfs_ail *li_ailp;
323 uint li_type;
324 uint li_flags;
325 struct xfs_log_item *li_bio_list;
326 void (*li_cb)(struct xfs_buf *,
327 struct xfs_log_item *);
328
329
330 const struct xfs_item_ops *li_ops;
331
332
333 struct list_head li_cil;
334 struct xfs_log_vec *li_lv;
335 xfs_lsn_t li_seq;
336} xfs_log_item_t;
337
338#define XFS_LI_IN_AIL 0x1
339#define XFS_LI_ABORTED 0x2
340
341#define XFS_LI_FLAGS \
342 { XFS_LI_IN_AIL, "IN_AIL" }, \
343 { XFS_LI_ABORTED, "ABORTED" }
344
345struct xfs_item_ops {
346 uint (*iop_size)(xfs_log_item_t *);
347 void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
348 void (*iop_pin)(xfs_log_item_t *);
349 void (*iop_unpin)(xfs_log_item_t *, int remove);
350 uint (*iop_push)(struct xfs_log_item *, struct list_head *);
351 void (*iop_unlock)(xfs_log_item_t *);
352 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
353 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
354};
355
356#define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip)
357#define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp)
358#define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip)
359#define IOP_UNPIN(ip, remove) (*(ip)->li_ops->iop_unpin)(ip, remove)
360#define IOP_PUSH(ip, list) (*(ip)->li_ops->iop_push)(ip, list)
361#define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip)
362#define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn)
363#define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
364
365
366
367
368#define XFS_ITEM_SUCCESS 0
369#define XFS_ITEM_PINNED 1
370#define XFS_ITEM_LOCKED 2
371#define XFS_ITEM_FLUSHING 3
372
373
374
375
376
377typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *);
378
379
380
381
382typedef struct xfs_trans {
383 unsigned int t_magic;
384 xfs_log_callback_t t_logcb;
385 unsigned int t_type;
386 unsigned int t_log_res;
387 unsigned int t_log_count;
388 unsigned int t_blk_res;
389 unsigned int t_blk_res_used;
390 unsigned int t_rtx_res;
391 unsigned int t_rtx_res_used;
392 struct xlog_ticket *t_ticket;
393 xfs_lsn_t t_lsn;
394
395 xfs_lsn_t t_commit_lsn;
396
397 struct xfs_mount *t_mountp;
398 struct xfs_dquot_acct *t_dqinfo;
399 unsigned int t_flags;
400 int64_t t_icount_delta;
401 int64_t t_ifree_delta;
402 int64_t t_fdblocks_delta;
403 int64_t t_res_fdblocks_delta;
404 int64_t t_frextents_delta;
405 int64_t t_res_frextents_delta;
406#ifdef DEBUG
407 int64_t t_ag_freeblks_delta;
408 int64_t t_ag_flist_delta;
409 int64_t t_ag_btree_delta;
410#endif
411 int64_t t_dblocks_delta;
412 int64_t t_agcount_delta;
413 int64_t t_imaxpct_delta;
414 int64_t t_rextsize_delta;
415 int64_t t_rbmblocks_delta;
416 int64_t t_rblocks_delta;
417 int64_t t_rextents_delta;
418 int64_t t_rextslog_delta;
419 struct list_head t_items;
420 xfs_trans_header_t t_header;
421 struct list_head t_busy;
422 unsigned long t_pflags;
423} xfs_trans_t;
424
425
426
427
428
429#define xfs_trans_get_log_res(tp) ((tp)->t_log_res)
430#define xfs_trans_get_log_count(tp) ((tp)->t_log_count)
431#define xfs_trans_get_block_res(tp) ((tp)->t_blk_res)
432#define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
433
434#ifdef DEBUG
435#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d)
436#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d)
437#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d)
438#else
439#define xfs_trans_agblocks_delta(tp, d)
440#define xfs_trans_agflist_delta(tp, d)
441#define xfs_trans_agbtree_delta(tp, d)
442#endif
443
444
445
446
447xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint);
448xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint, xfs_km_flags_t);
449xfs_trans_t *xfs_trans_dup(xfs_trans_t *);
450int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint,
451 uint, uint);
452void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
453
454struct xfs_buf *xfs_trans_get_buf_map(struct xfs_trans *tp,
455 struct xfs_buftarg *target,
456 struct xfs_buf_map *map, int nmaps,
457 uint flags);
458
459static inline struct xfs_buf *
460xfs_trans_get_buf(
461 struct xfs_trans *tp,
462 struct xfs_buftarg *target,
463 xfs_daddr_t blkno,
464 int numblks,
465 uint flags)
466{
467 struct xfs_buf_map map = {
468 .bm_bn = blkno,
469 .bm_len = numblks,
470 };
471 return xfs_trans_get_buf_map(tp, target, &map, 1, flags);
472}
473
474int xfs_trans_read_buf_map(struct xfs_mount *mp,
475 struct xfs_trans *tp,
476 struct xfs_buftarg *target,
477 struct xfs_buf_map *map, int nmaps,
478 xfs_buf_flags_t flags,
479 struct xfs_buf **bpp);
480
481static inline int
482xfs_trans_read_buf(
483 struct xfs_mount *mp,
484 struct xfs_trans *tp,
485 struct xfs_buftarg *target,
486 xfs_daddr_t blkno,
487 int numblks,
488 xfs_buf_flags_t flags,
489 struct xfs_buf **bpp)
490{
491 struct xfs_buf_map map = {
492 .bm_bn = blkno,
493 .bm_len = numblks,
494 };
495 return xfs_trans_read_buf_map(mp, tp, target, &map, 1, flags, bpp);
496}
497
498struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int);
499
500void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
501void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
502void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
503void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
504void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
505void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
506void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
507void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
508void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
509void xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
510void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
511void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
512void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
513struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint);
514void xfs_efi_release(struct xfs_efi_log_item *, uint);
515void xfs_trans_log_efi_extent(xfs_trans_t *,
516 struct xfs_efi_log_item *,
517 xfs_fsblock_t,
518 xfs_extlen_t);
519struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *,
520 struct xfs_efi_log_item *,
521 uint);
522void xfs_trans_log_efd_extent(xfs_trans_t *,
523 struct xfs_efd_log_item *,
524 xfs_fsblock_t,
525 xfs_extlen_t);
526int xfs_trans_commit(xfs_trans_t *, uint flags);
527void xfs_trans_cancel(xfs_trans_t *, int);
528int xfs_trans_ail_init(struct xfs_mount *);
529void xfs_trans_ail_destroy(struct xfs_mount *);
530
531extern kmem_zone_t *xfs_trans_zone;
532extern kmem_zone_t *xfs_log_item_desc_zone;
533
534#endif
535
536void xfs_trans_init(struct xfs_mount *);
537int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
538
539#endif
540