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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Nathan Scott7b718762005-11-02 14:58:39 +11002 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
Linus Torvalds1da177e2005-04-16 15:20:36 -07004 *
Nathan Scott7b718762005-11-02 14:58:39 +11005 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
Linus Torvalds1da177e2005-04-16 15:20:36 -07007 * published by the Free Software Foundation.
8 *
Nathan Scott7b718762005-11-02 14:58:39 +11009 * 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.
Linus Torvalds1da177e2005-04-16 15:20:36 -070013 *
Nathan Scott7b718762005-11-02 14:58:39 +110014 * 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
Linus Torvalds1da177e2005-04-16 15:20:36 -070017 */
18#ifndef __XFS_TRANS_H__
19#define __XFS_TRANS_H__
20
21/*
22 * This is the structure written in the log at the head of
23 * every transaction. It identifies the type and id of the
24 * transaction, and contains the number of items logged by
25 * the transaction so we know how many to expect during recovery.
26 *
27 * Do not change the below structure without redoing the code in
28 * xlog_recover_add_to_trans() and xlog_recover_add_to_cont_trans().
29 */
30typedef struct xfs_trans_header {
31 uint th_magic; /* magic number */
32 uint th_type; /* transaction type */
33 __int32_t th_tid; /* transaction id (unused) */
34 uint th_num_items; /* num items logged by trans */
35} xfs_trans_header_t;
36
37#define XFS_TRANS_HEADER_MAGIC 0x5452414e /* TRAN */
38
39/*
40 * Log item types.
41 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070042#define XFS_LI_EFI 0x1236
43#define XFS_LI_EFD 0x1237
44#define XFS_LI_IUNLINK 0x1238
Linus Torvalds1da177e2005-04-16 15:20:36 -070045#define XFS_LI_INODE 0x123b /* aligned ino chunks, var-size ibufs */
46#define XFS_LI_BUF 0x123c /* v2 bufs, variable sized inode bufs */
47#define XFS_LI_DQUOT 0x123d
48#define XFS_LI_QUOTAOFF 0x123e
49
50/*
51 * Transaction types. Used to distinguish types of buffers.
52 */
53#define XFS_TRANS_SETATTR_NOT_SIZE 1
54#define XFS_TRANS_SETATTR_SIZE 2
55#define XFS_TRANS_INACTIVE 3
56#define XFS_TRANS_CREATE 4
57#define XFS_TRANS_CREATE_TRUNC 5
58#define XFS_TRANS_TRUNCATE_FILE 6
59#define XFS_TRANS_REMOVE 7
60#define XFS_TRANS_LINK 8
61#define XFS_TRANS_RENAME 9
62#define XFS_TRANS_MKDIR 10
63#define XFS_TRANS_RMDIR 11
64#define XFS_TRANS_SYMLINK 12
65#define XFS_TRANS_SET_DMATTRS 13
66#define XFS_TRANS_GROWFS 14
67#define XFS_TRANS_STRAT_WRITE 15
68#define XFS_TRANS_DIOSTRAT 16
69#define XFS_TRANS_WRITE_SYNC 17
70#define XFS_TRANS_WRITEID 18
71#define XFS_TRANS_ADDAFORK 19
72#define XFS_TRANS_ATTRINVAL 20
73#define XFS_TRANS_ATRUNCATE 21
74#define XFS_TRANS_ATTR_SET 22
75#define XFS_TRANS_ATTR_RM 23
76#define XFS_TRANS_ATTR_FLAG 24
77#define XFS_TRANS_CLEAR_AGI_BUCKET 25
78#define XFS_TRANS_QM_SBCHANGE 26
79/*
80 * Dummy entries since we use the transaction type to index into the
81 * trans_type[] in xlog_recover_print_trans_head()
82 */
83#define XFS_TRANS_DUMMY1 27
84#define XFS_TRANS_DUMMY2 28
85#define XFS_TRANS_QM_QUOTAOFF 29
86#define XFS_TRANS_QM_DQALLOC 30
87#define XFS_TRANS_QM_SETQLIM 31
88#define XFS_TRANS_QM_DQCLUSTER 32
89#define XFS_TRANS_QM_QINOCREATE 33
90#define XFS_TRANS_QM_QUOTAOFF_END 34
91#define XFS_TRANS_SB_UNIT 35
92#define XFS_TRANS_FSYNC_TS 36
93#define XFS_TRANS_GROWFSRT_ALLOC 37
94#define XFS_TRANS_GROWFSRT_ZERO 38
95#define XFS_TRANS_GROWFSRT_FREE 39
96#define XFS_TRANS_SWAPEXT 40
David Chinner92821e22007-05-24 15:26:31 +100097#define XFS_TRANS_SB_COUNT 41
98#define XFS_TRANS_TYPE_MAX 41
Linus Torvalds1da177e2005-04-16 15:20:36 -070099/* new transaction types need to be reflected in xfs_logprint(8) */
100
101
102#ifdef __KERNEL__
103struct xfs_buf;
104struct xfs_buftarg;
105struct xfs_efd_log_item;
106struct xfs_efi_log_item;
107struct xfs_inode;
108struct xfs_item_ops;
109struct xfs_log_iovec;
110struct xfs_log_item;
111struct xfs_log_item_desc;
112struct xfs_mount;
113struct xfs_trans;
114struct xfs_dquot_acct;
115
Linus Torvalds1da177e2005-04-16 15:20:36 -0700116typedef struct xfs_log_item {
Josef 'Jeff' Sipek535f6b32008-03-27 17:58:27 +1100117 struct list_head li_ail; /* AIL pointers */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700118 xfs_lsn_t li_lsn; /* last on-disk lsn */
119 struct xfs_log_item_desc *li_desc; /* ptr to current desc*/
120 struct xfs_mount *li_mountp; /* ptr to fs mount */
121 uint li_type; /* item type */
122 uint li_flags; /* misc flags */
123 struct xfs_log_item *li_bio_list; /* buffer item list */
124 void (*li_cb)(struct xfs_buf *,
125 struct xfs_log_item *);
126 /* buffer item iodone */
127 /* callback func */
128 struct xfs_item_ops *li_ops; /* function list */
129} xfs_log_item_t;
130
131#define XFS_LI_IN_AIL 0x1
132#define XFS_LI_ABORTED 0x2
133
134typedef struct xfs_item_ops {
135 uint (*iop_size)(xfs_log_item_t *);
136 void (*iop_format)(xfs_log_item_t *, struct xfs_log_iovec *);
137 void (*iop_pin)(xfs_log_item_t *);
138 void (*iop_unpin)(xfs_log_item_t *, int);
139 void (*iop_unpin_remove)(xfs_log_item_t *, struct xfs_trans *);
140 uint (*iop_trylock)(xfs_log_item_t *);
141 void (*iop_unlock)(xfs_log_item_t *);
142 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
143 void (*iop_push)(xfs_log_item_t *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144 void (*iop_pushbuf)(xfs_log_item_t *);
145 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
146} xfs_item_ops_t;
147
148#define IOP_SIZE(ip) (*(ip)->li_ops->iop_size)(ip)
149#define IOP_FORMAT(ip,vp) (*(ip)->li_ops->iop_format)(ip, vp)
150#define IOP_PIN(ip) (*(ip)->li_ops->iop_pin)(ip)
151#define IOP_UNPIN(ip, flags) (*(ip)->li_ops->iop_unpin)(ip, flags)
152#define IOP_UNPIN_REMOVE(ip,tp) (*(ip)->li_ops->iop_unpin_remove)(ip, tp)
153#define IOP_TRYLOCK(ip) (*(ip)->li_ops->iop_trylock)(ip)
154#define IOP_UNLOCK(ip) (*(ip)->li_ops->iop_unlock)(ip)
155#define IOP_COMMITTED(ip, lsn) (*(ip)->li_ops->iop_committed)(ip, lsn)
156#define IOP_PUSH(ip) (*(ip)->li_ops->iop_push)(ip)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157#define IOP_PUSHBUF(ip) (*(ip)->li_ops->iop_pushbuf)(ip)
158#define IOP_COMMITTING(ip, lsn) (*(ip)->li_ops->iop_committing)(ip, lsn)
159
160/*
161 * Return values for the IOP_TRYLOCK() routines.
162 */
163#define XFS_ITEM_SUCCESS 0
164#define XFS_ITEM_PINNED 1
165#define XFS_ITEM_LOCKED 2
166#define XFS_ITEM_FLUSHING 3
167#define XFS_ITEM_PUSHBUF 4
168
169#endif /* __KERNEL__ */
170
171/*
172 * This structure is used to track log items associated with
173 * a transaction. It points to the log item and keeps some
174 * flags to track the state of the log item. It also tracks
175 * the amount of space needed to log the item it describes
176 * once we get to commit processing (see xfs_trans_commit()).
177 */
178typedef struct xfs_log_item_desc {
179 xfs_log_item_t *lid_item;
180 ushort lid_size;
181 unsigned char lid_flags;
182 unsigned char lid_index;
183} xfs_log_item_desc_t;
184
185#define XFS_LID_DIRTY 0x1
186#define XFS_LID_PINNED 0x2
187#define XFS_LID_BUF_STALE 0x8
188
189/*
190 * This structure is used to maintain a chunk list of log_item_desc
191 * structures. The free field is a bitmask indicating which descriptors
192 * in this chunk's array are free. The unused field is the first value
193 * not used since this chunk was allocated.
194 */
195#define XFS_LIC_NUM_SLOTS 15
196typedef struct xfs_log_item_chunk {
197 struct xfs_log_item_chunk *lic_next;
198 ushort lic_free;
199 ushort lic_unused;
200 xfs_log_item_desc_t lic_descs[XFS_LIC_NUM_SLOTS];
201} xfs_log_item_chunk_t;
202
203#define XFS_LIC_MAX_SLOT (XFS_LIC_NUM_SLOTS - 1)
204#define XFS_LIC_FREEMASK ((1 << XFS_LIC_NUM_SLOTS) - 1)
205
206
207/*
208 * Initialize the given chunk. Set the chunk's free descriptor mask
209 * to indicate that all descriptors are free. The caller gets to set
210 * lic_unused to the right value (0 matches all free). The
211 * lic_descs.lid_index values are set up as each desc is allocated.
212 */
Nathan Scotta844f452005-11-02 14:38:42 +1100213static inline void xfs_lic_init(xfs_log_item_chunk_t *cp)
214{
215 cp->lic_free = XFS_LIC_FREEMASK;
216}
217
Nathan Scotta844f452005-11-02 14:38:42 +1100218static inline void xfs_lic_init_slot(xfs_log_item_chunk_t *cp, int slot)
219{
220 cp->lic_descs[slot].lid_index = (unsigned char)(slot);
221}
222
Nathan Scotta844f452005-11-02 14:38:42 +1100223static inline int xfs_lic_vacancy(xfs_log_item_chunk_t *cp)
224{
225 return cp->lic_free & XFS_LIC_FREEMASK;
226}
227
Nathan Scotta844f452005-11-02 14:38:42 +1100228static inline void xfs_lic_all_free(xfs_log_item_chunk_t *cp)
229{
230 cp->lic_free = XFS_LIC_FREEMASK;
231}
232
Nathan Scotta844f452005-11-02 14:38:42 +1100233static inline int xfs_lic_are_all_free(xfs_log_item_chunk_t *cp)
234{
235 return ((cp->lic_free & XFS_LIC_FREEMASK) == XFS_LIC_FREEMASK);
236}
237
Nathan Scotta844f452005-11-02 14:38:42 +1100238static inline int xfs_lic_isfree(xfs_log_item_chunk_t *cp, int slot)
239{
240 return (cp->lic_free & (1 << slot));
241}
242
Nathan Scotta844f452005-11-02 14:38:42 +1100243static inline void xfs_lic_claim(xfs_log_item_chunk_t *cp, int slot)
244{
245 cp->lic_free &= ~(1 << slot);
246}
247
Nathan Scotta844f452005-11-02 14:38:42 +1100248static inline void xfs_lic_relse(xfs_log_item_chunk_t *cp, int slot)
249{
250 cp->lic_free |= 1 << slot;
251}
252
Nathan Scotta844f452005-11-02 14:38:42 +1100253static inline xfs_log_item_desc_t *
254xfs_lic_slot(xfs_log_item_chunk_t *cp, int slot)
255{
256 return &(cp->lic_descs[slot]);
257}
258
Nathan Scotta844f452005-11-02 14:38:42 +1100259static inline int xfs_lic_desc_to_slot(xfs_log_item_desc_t *dp)
260{
261 return (uint)dp->lid_index;
262}
263
Linus Torvalds1da177e2005-04-16 15:20:36 -0700264/*
265 * Calculate the address of a chunk given a descriptor pointer:
266 * dp - dp->lid_index give the address of the start of the lic_descs array.
267 * From this we subtract the offset of the lic_descs field in a chunk.
268 * All of this yields the address of the chunk, which is
269 * cast to a chunk pointer.
270 */
Nathan Scotta844f452005-11-02 14:38:42 +1100271static inline xfs_log_item_chunk_t *
272xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
273{
274 return (xfs_log_item_chunk_t*) \
275 (((xfs_caddr_t)((dp) - (dp)->lid_index)) - \
276 (xfs_caddr_t)(((xfs_log_item_chunk_t*)0)->lic_descs));
277}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700278
279#ifdef __KERNEL__
280/*
281 * This structure is used to maintain a list of block ranges that have been
282 * freed in the transaction. The ranges are listed in the perag[] busy list
283 * between when they're freed and the transaction is committed to disk.
284 */
285
286typedef struct xfs_log_busy_slot {
287 xfs_agnumber_t lbc_ag;
288 ushort lbc_idx; /* index in perag.busy[] */
289} xfs_log_busy_slot_t;
290
291#define XFS_LBC_NUM_SLOTS 31
292typedef struct xfs_log_busy_chunk {
293 struct xfs_log_busy_chunk *lbc_next;
Nathan Scotta844f452005-11-02 14:38:42 +1100294 uint lbc_free; /* free slots bitmask */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700295 ushort lbc_unused; /* first unused */
296 xfs_log_busy_slot_t lbc_busy[XFS_LBC_NUM_SLOTS];
297} xfs_log_busy_chunk_t;
298
299#define XFS_LBC_MAX_SLOT (XFS_LBC_NUM_SLOTS - 1)
300#define XFS_LBC_FREEMASK ((1U << XFS_LBC_NUM_SLOTS) - 1)
301
302#define XFS_LBC_INIT(cp) ((cp)->lbc_free = XFS_LBC_FREEMASK)
303#define XFS_LBC_CLAIM(cp, slot) ((cp)->lbc_free &= ~(1 << (slot)))
304#define XFS_LBC_SLOT(cp, slot) (&((cp)->lbc_busy[(slot)]))
305#define XFS_LBC_VACANCY(cp) (((cp)->lbc_free) & XFS_LBC_FREEMASK)
306#define XFS_LBC_ISFREE(cp, slot) ((cp)->lbc_free & (1 << (slot)))
307
308/*
309 * This is the type of function which can be given to xfs_trans_callback()
310 * to be called upon the transaction's commit to disk.
311 */
312typedef void (*xfs_trans_callback_t)(struct xfs_trans *, void *);
313
314/*
315 * This is the structure maintained for every active transaction.
316 */
317typedef struct xfs_trans {
318 unsigned int t_magic; /* magic number */
319 xfs_log_callback_t t_logcb; /* log callback struct */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700320 unsigned int t_type; /* transaction type */
321 unsigned int t_log_res; /* amt of log space resvd */
322 unsigned int t_log_count; /* count for perm log res */
323 unsigned int t_blk_res; /* # of blocks resvd */
324 unsigned int t_blk_res_used; /* # of resvd blocks used */
325 unsigned int t_rtx_res; /* # of rt extents resvd */
326 unsigned int t_rtx_res_used; /* # of resvd rt extents used */
327 xfs_log_ticket_t t_ticket; /* log mgr ticket */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700328 xfs_lsn_t t_lsn; /* log seq num of start of
329 * transaction. */
330 xfs_lsn_t t_commit_lsn; /* log seq num of end of
331 * transaction. */
332 struct xfs_mount *t_mountp; /* ptr to fs mount struct */
Nathan Scottc41564b2006-03-29 08:55:14 +1000333 struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334 xfs_trans_callback_t t_callback; /* transaction callback */
335 void *t_callarg; /* callback arg */
336 unsigned int t_flags; /* misc flags */
David Chinner20f4ebf2007-02-10 18:36:10 +1100337 int64_t t_icount_delta; /* superblock icount change */
338 int64_t t_ifree_delta; /* superblock ifree change */
339 int64_t t_fdblocks_delta; /* superblock fdblocks chg */
340 int64_t t_res_fdblocks_delta; /* on-disk only chg */
341 int64_t t_frextents_delta;/* superblock freextents chg*/
342 int64_t t_res_frextents_delta; /* on-disk only chg */
Alexey Dobriyan19987642006-06-27 16:12:40 +1000343#ifdef DEBUG
David Chinner20f4ebf2007-02-10 18:36:10 +1100344 int64_t t_ag_freeblks_delta; /* debugging counter */
345 int64_t t_ag_flist_delta; /* debugging counter */
346 int64_t t_ag_btree_delta; /* debugging counter */
Alexey Dobriyan19987642006-06-27 16:12:40 +1000347#endif
David Chinner20f4ebf2007-02-10 18:36:10 +1100348 int64_t t_dblocks_delta;/* superblock dblocks change */
349 int64_t t_agcount_delta;/* superblock agcount change */
350 int64_t t_imaxpct_delta;/* superblock imaxpct change */
351 int64_t t_rextsize_delta;/* superblock rextsize chg */
352 int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */
353 int64_t t_rblocks_delta;/* superblock rblocks change */
354 int64_t t_rextents_delta;/* superblocks rextents chg */
355 int64_t t_rextslog_delta;/* superblocks rextslog chg */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700356 unsigned int t_items_free; /* log item descs free */
357 xfs_log_item_chunk_t t_items; /* first log item desc chunk */
358 xfs_trans_header_t t_header; /* header for in-log trans */
359 unsigned int t_busy_free; /* busy descs free */
360 xfs_log_busy_chunk_t t_busy; /* busy/async free blocks */
Nathan Scott87582802006-03-14 13:18:19 +1100361 unsigned long t_pflags; /* saved process flags state */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700362} xfs_trans_t;
363
364#endif /* __KERNEL__ */
365
366
367#define XFS_TRANS_MAGIC 0x5452414E /* 'TRAN' */
368/*
369 * Values for t_flags.
370 */
371#define XFS_TRANS_DIRTY 0x01 /* something needs to be logged */
372#define XFS_TRANS_SB_DIRTY 0x02 /* superblock is modified */
373#define XFS_TRANS_PERM_LOG_RES 0x04 /* xact took a permanent log res */
374#define XFS_TRANS_SYNC 0x08 /* make commit synchronous */
375#define XFS_TRANS_DQ_DIRTY 0x10 /* at least one dquot in trx dirty */
376#define XFS_TRANS_RESERVE 0x20 /* OK to use reserved data blocks */
377
378/*
379 * Values for call flags parameter.
380 */
381#define XFS_TRANS_NOSLEEP 0x1
382#define XFS_TRANS_WAIT 0x2
383#define XFS_TRANS_RELEASE_LOG_RES 0x4
384#define XFS_TRANS_ABORT 0x8
385
386/*
387 * Field values for xfs_trans_mod_sb.
388 */
389#define XFS_TRANS_SB_ICOUNT 0x00000001
390#define XFS_TRANS_SB_IFREE 0x00000002
391#define XFS_TRANS_SB_FDBLOCKS 0x00000004
392#define XFS_TRANS_SB_RES_FDBLOCKS 0x00000008
393#define XFS_TRANS_SB_FREXTENTS 0x00000010
394#define XFS_TRANS_SB_RES_FREXTENTS 0x00000020
395#define XFS_TRANS_SB_DBLOCKS 0x00000040
396#define XFS_TRANS_SB_AGCOUNT 0x00000080
397#define XFS_TRANS_SB_IMAXPCT 0x00000100
398#define XFS_TRANS_SB_REXTSIZE 0x00000200
399#define XFS_TRANS_SB_RBMBLOCKS 0x00000400
400#define XFS_TRANS_SB_RBLOCKS 0x00000800
401#define XFS_TRANS_SB_REXTENTS 0x00001000
402#define XFS_TRANS_SB_REXTSLOG 0x00002000
403
404
405/*
406 * Various log reservation values.
407 * These are based on the size of the file system block
408 * because that is what most transactions manipulate.
409 * Each adds in an additional 128 bytes per item logged to
410 * try to account for the overhead of the transaction mechanism.
411 *
412 * Note:
413 * Most of the reservations underestimate the number of allocation
414 * groups into which they could free extents in the xfs_bmap_finish()
415 * call. This is because the number in the worst case is quite high
416 * and quite unusual. In order to fix this we need to change
417 * xfs_bmap_finish() to free extents in only a single AG at a time.
418 * This will require changes to the EFI code as well, however, so that
419 * the EFI for the extents not freed is logged again in each transaction.
420 * See bug 261917.
421 */
422
423/*
424 * Per-extent log reservation for the allocation btree changes
425 * involved in freeing or allocating an extent.
426 * 2 trees * (2 blocks/level * max depth - 1) * block size
427 */
428#define XFS_ALLOCFREE_LOG_RES(mp,nx) \
429 ((nx) * (2 * XFS_FSB_TO_B((mp), 2 * XFS_AG_MAXLEVELS(mp) - 1)))
430#define XFS_ALLOCFREE_LOG_COUNT(mp,nx) \
431 ((nx) * (2 * (2 * XFS_AG_MAXLEVELS(mp) - 1)))
432
433/*
434 * Per-directory log reservation for any directory change.
435 * dir blocks: (1 btree block per level + data block + free block) * dblock size
436 * bmap btree: (levels + 2) * max depth * block size
437 * v2 directory blocks can be fragmented below the dirblksize down to the fsb
438 * size, so account for that in the DAENTER macros.
439 */
440#define XFS_DIROP_LOG_RES(mp) \
441 (XFS_FSB_TO_B(mp, XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK)) + \
442 (XFS_FSB_TO_B(mp, XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)))
443#define XFS_DIROP_LOG_COUNT(mp) \
444 (XFS_DAENTER_BLOCKS(mp, XFS_DATA_FORK) + \
445 XFS_DAENTER_BMAPS(mp, XFS_DATA_FORK) + 1)
446
447/*
448 * In a write transaction we can allocate a maximum of 2
449 * extents. This gives:
450 * the inode getting the new extents: inode size
451 * the inode\'s bmap btree: max depth * block size
452 * the agfs of the ags from which the extents are allocated: 2 * sector
453 * the superblock free block counter: sector size
454 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
455 * And the bmap_finish transaction can free bmap blocks in a join:
456 * the agfs of the ags containing the blocks: 2 * sector size
457 * the agfls of the ags containing the blocks: 2 * sector size
458 * the super block free block counter: sector size
459 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
460 */
461#define XFS_CALC_WRITE_LOG_RES(mp) \
462 (MAX( \
463 ((mp)->m_sb.sb_inodesize + \
464 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \
465 (2 * (mp)->m_sb.sb_sectsize) + \
466 (mp)->m_sb.sb_sectsize + \
467 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
468 (128 * (4 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + XFS_ALLOCFREE_LOG_COUNT(mp, 2)))),\
469 ((2 * (mp)->m_sb.sb_sectsize) + \
470 (2 * (mp)->m_sb.sb_sectsize) + \
471 (mp)->m_sb.sb_sectsize + \
472 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
473 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
474
475#define XFS_WRITE_LOG_RES(mp) ((mp)->m_reservations.tr_write)
476
477/*
478 * In truncating a file we free up to two extents at once. We can modify:
479 * the inode being truncated: inode size
480 * the inode\'s bmap btree: (max depth + 1) * block size
481 * And the bmap_finish transaction can free the blocks and bmap blocks:
482 * the agf for each of the ags: 4 * sector size
483 * the agfl for each of the ags: 4 * sector size
484 * the super block to reflect the freed blocks: sector size
485 * worst case split in allocation btrees per extent assuming 4 extents:
486 * 4 exts * 2 trees * (2 * max depth - 1) * block size
487 * the inode btree: max depth * blocksize
488 * the allocation btrees: 2 trees * (max depth - 1) * block size
489 */
490#define XFS_CALC_ITRUNCATE_LOG_RES(mp) \
491 (MAX( \
492 ((mp)->m_sb.sb_inodesize + \
493 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + 1) + \
494 (128 * (2 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \
495 ((4 * (mp)->m_sb.sb_sectsize) + \
496 (4 * (mp)->m_sb.sb_sectsize) + \
497 (mp)->m_sb.sb_sectsize + \
498 XFS_ALLOCFREE_LOG_RES(mp, 4) + \
499 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))) + \
500 (128 * 5) + \
501 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
502 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
503 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
504
505#define XFS_ITRUNCATE_LOG_RES(mp) ((mp)->m_reservations.tr_itruncate)
506
507/*
508 * In renaming a files we can modify:
509 * the four inodes involved: 4 * inode size
510 * the two directory btrees: 2 * (max depth + v2) * dir block size
511 * the two directory bmap btrees: 2 * max depth * block size
512 * And the bmap_finish transaction can free dir and bmap blocks (two sets
513 * of bmap blocks) giving:
514 * the agf for the ags in which the blocks live: 3 * sector size
515 * the agfl for the ags in which the blocks live: 3 * sector size
516 * the superblock for the free block count: sector size
517 * the allocation btrees: 3 exts * 2 trees * (2 * max depth - 1) * block size
518 */
519#define XFS_CALC_RENAME_LOG_RES(mp) \
520 (MAX( \
521 ((4 * (mp)->m_sb.sb_inodesize) + \
522 (2 * XFS_DIROP_LOG_RES(mp)) + \
523 (128 * (4 + 2 * XFS_DIROP_LOG_COUNT(mp)))), \
524 ((3 * (mp)->m_sb.sb_sectsize) + \
525 (3 * (mp)->m_sb.sb_sectsize) + \
526 (mp)->m_sb.sb_sectsize + \
527 XFS_ALLOCFREE_LOG_RES(mp, 3) + \
528 (128 * (7 + XFS_ALLOCFREE_LOG_COUNT(mp, 3))))))
529
530#define XFS_RENAME_LOG_RES(mp) ((mp)->m_reservations.tr_rename)
531
532/*
533 * For creating a link to an inode:
534 * the parent directory inode: inode size
535 * the linked inode: inode size
536 * the directory btree could split: (max depth + v2) * dir block size
537 * the directory bmap btree could join or split: (max depth + v2) * blocksize
538 * And the bmap_finish transaction can free some bmap blocks giving:
539 * the agf for the ag in which the blocks live: sector size
540 * the agfl for the ag in which the blocks live: sector size
541 * the superblock for the free block count: sector size
542 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size
543 */
544#define XFS_CALC_LINK_LOG_RES(mp) \
545 (MAX( \
546 ((mp)->m_sb.sb_inodesize + \
547 (mp)->m_sb.sb_inodesize + \
548 XFS_DIROP_LOG_RES(mp) + \
549 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \
550 ((mp)->m_sb.sb_sectsize + \
551 (mp)->m_sb.sb_sectsize + \
552 (mp)->m_sb.sb_sectsize + \
553 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
554 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
555
556#define XFS_LINK_LOG_RES(mp) ((mp)->m_reservations.tr_link)
557
558/*
559 * For removing a directory entry we can modify:
560 * the parent directory inode: inode size
561 * the removed inode: inode size
562 * the directory btree could join: (max depth + v2) * dir block size
563 * the directory bmap btree could join or split: (max depth + v2) * blocksize
564 * And the bmap_finish transaction can free the dir and bmap blocks giving:
565 * the agf for the ag in which the blocks live: 2 * sector size
566 * the agfl for the ag in which the blocks live: 2 * sector size
567 * the superblock for the free block count: sector size
568 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
569 */
570#define XFS_CALC_REMOVE_LOG_RES(mp) \
571 (MAX( \
572 ((mp)->m_sb.sb_inodesize + \
573 (mp)->m_sb.sb_inodesize + \
574 XFS_DIROP_LOG_RES(mp) + \
575 (128 * (2 + XFS_DIROP_LOG_COUNT(mp)))), \
576 ((2 * (mp)->m_sb.sb_sectsize) + \
577 (2 * (mp)->m_sb.sb_sectsize) + \
578 (mp)->m_sb.sb_sectsize + \
579 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
580 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
581
582#define XFS_REMOVE_LOG_RES(mp) ((mp)->m_reservations.tr_remove)
583
584/*
585 * For symlink we can modify:
586 * the parent directory inode: inode size
587 * the new inode: inode size
588 * the inode btree entry: 1 block
589 * the directory btree: (max depth + v2) * dir block size
590 * the directory inode\'s bmap btree: (max depth + v2) * block size
591 * the blocks for the symlink: 1 KB
592 * Or in the first xact we allocate some inodes giving:
593 * the agi and agf of the ag getting the new inodes: 2 * sectorsize
594 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize
595 * the inode btree: max depth * blocksize
596 * the allocation btrees: 2 trees * (2 * max depth - 1) * block size
597 */
598#define XFS_CALC_SYMLINK_LOG_RES(mp) \
599 (MAX( \
600 ((mp)->m_sb.sb_inodesize + \
601 (mp)->m_sb.sb_inodesize + \
602 XFS_FSB_TO_B(mp, 1) + \
603 XFS_DIROP_LOG_RES(mp) + \
604 1024 + \
605 (128 * (4 + XFS_DIROP_LOG_COUNT(mp)))), \
606 (2 * (mp)->m_sb.sb_sectsize + \
607 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \
608 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \
609 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
610 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
611 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
612
613#define XFS_SYMLINK_LOG_RES(mp) ((mp)->m_reservations.tr_symlink)
614
615/*
616 * For create we can modify:
617 * the parent directory inode: inode size
618 * the new inode: inode size
619 * the inode btree entry: block size
620 * the superblock for the nlink flag: sector size
621 * the directory btree: (max depth + v2) * dir block size
622 * the directory inode\'s bmap btree: (max depth + v2) * block size
623 * Or in the first xact we allocate some inodes giving:
624 * the agi and agf of the ag getting the new inodes: 2 * sectorsize
625 * the superblock for the nlink flag: sector size
626 * the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize
627 * the inode btree: max depth * blocksize
628 * the allocation btrees: 2 trees * (max depth - 1) * block size
629 */
630#define XFS_CALC_CREATE_LOG_RES(mp) \
631 (MAX( \
632 ((mp)->m_sb.sb_inodesize + \
633 (mp)->m_sb.sb_inodesize + \
634 (mp)->m_sb.sb_sectsize + \
635 XFS_FSB_TO_B(mp, 1) + \
636 XFS_DIROP_LOG_RES(mp) + \
637 (128 * (3 + XFS_DIROP_LOG_COUNT(mp)))), \
638 (3 * (mp)->m_sb.sb_sectsize + \
639 XFS_FSB_TO_B((mp), XFS_IALLOC_BLOCKS((mp))) + \
640 XFS_FSB_TO_B((mp), XFS_IN_MAXLEVELS(mp)) + \
641 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
642 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
643 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))))
644
645#define XFS_CREATE_LOG_RES(mp) ((mp)->m_reservations.tr_create)
646
647/*
648 * Making a new directory is the same as creating a new file.
649 */
650#define XFS_CALC_MKDIR_LOG_RES(mp) XFS_CALC_CREATE_LOG_RES(mp)
651
652#define XFS_MKDIR_LOG_RES(mp) ((mp)->m_reservations.tr_mkdir)
653
654/*
655 * In freeing an inode we can modify:
656 * the inode being freed: inode size
657 * the super block free inode counter: sector size
658 * the agi hash list and counters: sector size
659 * the inode btree entry: block size
660 * the on disk inode before ours in the agi hash list: inode cluster size
661 * the inode btree: max depth * blocksize
662 * the allocation btrees: 2 trees * (max depth - 1) * block size
663 */
664#define XFS_CALC_IFREE_LOG_RES(mp) \
665 ((mp)->m_sb.sb_inodesize + \
666 (mp)->m_sb.sb_sectsize + \
667 (mp)->m_sb.sb_sectsize + \
668 XFS_FSB_TO_B((mp), 1) + \
669 MAX((__uint16_t)XFS_FSB_TO_B((mp), 1), XFS_INODE_CLUSTER_SIZE(mp)) + \
670 (128 * 5) + \
671 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
672 (128 * (2 + XFS_IALLOC_BLOCKS(mp) + XFS_IN_MAXLEVELS(mp) + \
673 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
674
675
676#define XFS_IFREE_LOG_RES(mp) ((mp)->m_reservations.tr_ifree)
677
678/*
679 * When only changing the inode we log the inode and possibly the superblock
680 * We also add a bit of slop for the transaction stuff.
681 */
682#define XFS_CALC_ICHANGE_LOG_RES(mp) ((mp)->m_sb.sb_inodesize + \
683 (mp)->m_sb.sb_sectsize + 512)
684
685#define XFS_ICHANGE_LOG_RES(mp) ((mp)->m_reservations.tr_ichange)
686
687/*
688 * Growing the data section of the filesystem.
689 * superblock
690 * agi and agf
691 * allocation btrees
692 */
693#define XFS_CALC_GROWDATA_LOG_RES(mp) \
694 ((mp)->m_sb.sb_sectsize * 3 + \
695 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
696 (128 * (3 + XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
697
698#define XFS_GROWDATA_LOG_RES(mp) ((mp)->m_reservations.tr_growdata)
699
700/*
701 * Growing the rt section of the filesystem.
702 * In the first set of transactions (ALLOC) we allocate space to the
703 * bitmap or summary files.
704 * superblock: sector size
705 * agf of the ag from which the extent is allocated: sector size
706 * bmap btree for bitmap/summary inode: max depth * blocksize
707 * bitmap/summary inode: inode size
708 * allocation btrees for 1 block alloc: 2 * (2 * maxdepth - 1) * blocksize
709 */
710#define XFS_CALC_GROWRTALLOC_LOG_RES(mp) \
711 (2 * (mp)->m_sb.sb_sectsize + \
712 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)) + \
713 (mp)->m_sb.sb_inodesize + \
714 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
715 (128 * \
716 (3 + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK) + \
717 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
718
719#define XFS_GROWRTALLOC_LOG_RES(mp) ((mp)->m_reservations.tr_growrtalloc)
720
721/*
722 * Growing the rt section of the filesystem.
723 * In the second set of transactions (ZERO) we zero the new metadata blocks.
724 * one bitmap/summary block: blocksize
725 */
726#define XFS_CALC_GROWRTZERO_LOG_RES(mp) \
727 ((mp)->m_sb.sb_blocksize + 128)
728
729#define XFS_GROWRTZERO_LOG_RES(mp) ((mp)->m_reservations.tr_growrtzero)
730
731/*
732 * Growing the rt section of the filesystem.
733 * In the third set of transactions (FREE) we update metadata without
734 * allocating any new blocks.
735 * superblock: sector size
736 * bitmap inode: inode size
737 * summary inode: inode size
738 * one bitmap block: blocksize
739 * summary blocks: new summary size
740 */
741#define XFS_CALC_GROWRTFREE_LOG_RES(mp) \
742 ((mp)->m_sb.sb_sectsize + \
743 2 * (mp)->m_sb.sb_inodesize + \
744 (mp)->m_sb.sb_blocksize + \
745 (mp)->m_rsumsize + \
746 (128 * 5))
747
748#define XFS_GROWRTFREE_LOG_RES(mp) ((mp)->m_reservations.tr_growrtfree)
749
750/*
751 * Logging the inode modification timestamp on a synchronous write.
752 * inode
753 */
754#define XFS_CALC_SWRITE_LOG_RES(mp) \
755 ((mp)->m_sb.sb_inodesize + 128)
756
757#define XFS_SWRITE_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
758
759/*
760 * Logging the inode timestamps on an fsync -- same as SWRITE
761 * as long as SWRITE logs the entire inode core
762 */
763#define XFS_FSYNC_TS_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
764
765/*
766 * Logging the inode mode bits when writing a setuid/setgid file
767 * inode
768 */
769#define XFS_CALC_WRITEID_LOG_RES(mp) \
770 ((mp)->m_sb.sb_inodesize + 128)
771
772#define XFS_WRITEID_LOG_RES(mp) ((mp)->m_reservations.tr_swrite)
773
774/*
775 * Converting the inode from non-attributed to attributed.
776 * the inode being converted: inode size
777 * agf block and superblock (for block allocation)
778 * the new block (directory sized)
779 * bmap blocks for the new directory block
780 * allocation btrees
781 */
782#define XFS_CALC_ADDAFORK_LOG_RES(mp) \
783 ((mp)->m_sb.sb_inodesize + \
784 (mp)->m_sb.sb_sectsize * 2 + \
785 (mp)->m_dirblksize + \
Nathan Scottf6c2d1f2006-06-20 13:04:51 +1000786 XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1)) + \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700787 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
Nathan Scottf6c2d1f2006-06-20 13:04:51 +1000788 (128 * (4 + (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \
Linus Torvalds1da177e2005-04-16 15:20:36 -0700789 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
790
791#define XFS_ADDAFORK_LOG_RES(mp) ((mp)->m_reservations.tr_addafork)
792
793/*
794 * Removing the attribute fork of a file
795 * the inode being truncated: inode size
796 * the inode\'s bmap btree: max depth * block size
797 * And the bmap_finish transaction can free the blocks and bmap blocks:
798 * the agf for each of the ags: 4 * sector size
799 * the agfl for each of the ags: 4 * sector size
800 * the super block to reflect the freed blocks: sector size
801 * worst case split in allocation btrees per extent assuming 4 extents:
802 * 4 exts * 2 trees * (2 * max depth - 1) * block size
803 */
804#define XFS_CALC_ATTRINVAL_LOG_RES(mp) \
805 (MAX( \
806 ((mp)->m_sb.sb_inodesize + \
807 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \
808 (128 * (1 + XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))), \
809 ((4 * (mp)->m_sb.sb_sectsize) + \
810 (4 * (mp)->m_sb.sb_sectsize) + \
811 (mp)->m_sb.sb_sectsize + \
812 XFS_ALLOCFREE_LOG_RES(mp, 4) + \
813 (128 * (9 + XFS_ALLOCFREE_LOG_COUNT(mp, 4))))))
814
815#define XFS_ATTRINVAL_LOG_RES(mp) ((mp)->m_reservations.tr_attrinval)
816
817/*
818 * Setting an attribute.
819 * the inode getting the attribute
820 * the superblock for allocations
821 * the agfs extents are allocated from
822 * the attribute btree * max depth
823 * the inode allocation btree
824 * Since attribute transaction space is dependent on the size of the attribute,
825 * the calculation is done partially at mount time and partially at runtime.
826 */
827#define XFS_CALC_ATTRSET_LOG_RES(mp) \
828 ((mp)->m_sb.sb_inodesize + \
829 (mp)->m_sb.sb_sectsize + \
830 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \
831 (128 * (2 + XFS_DA_NODE_MAXDEPTH)))
832
833#define XFS_ATTRSET_LOG_RES(mp, ext) \
834 ((mp)->m_reservations.tr_attrset + \
835 (ext * (mp)->m_sb.sb_sectsize) + \
836 (ext * XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK))) + \
837 (128 * (ext + (ext * XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)))))
838
839/*
840 * Removing an attribute.
841 * the inode: inode size
842 * the attribute btree could join: max depth * block size
843 * the inode bmap btree could join or split: max depth * block size
844 * And the bmap_finish transaction can free the attr blocks freed giving:
845 * the agf for the ag in which the blocks live: 2 * sector size
846 * the agfl for the ag in which the blocks live: 2 * sector size
847 * the superblock for the free block count: sector size
848 * the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
849 */
850#define XFS_CALC_ATTRRM_LOG_RES(mp) \
851 (MAX( \
852 ((mp)->m_sb.sb_inodesize + \
853 XFS_FSB_TO_B((mp), XFS_DA_NODE_MAXDEPTH) + \
854 XFS_FSB_TO_B((mp), XFS_BM_MAXLEVELS(mp, XFS_ATTR_FORK)) + \
855 (128 * (1 + XFS_DA_NODE_MAXDEPTH + XFS_BM_MAXLEVELS(mp, XFS_DATA_FORK)))), \
856 ((2 * (mp)->m_sb.sb_sectsize) + \
857 (2 * (mp)->m_sb.sb_sectsize) + \
858 (mp)->m_sb.sb_sectsize + \
859 XFS_ALLOCFREE_LOG_RES(mp, 2) + \
860 (128 * (5 + XFS_ALLOCFREE_LOG_COUNT(mp, 2))))))
861
862#define XFS_ATTRRM_LOG_RES(mp) ((mp)->m_reservations.tr_attrrm)
863
864/*
865 * Clearing a bad agino number in an agi hash bucket.
866 */
867#define XFS_CALC_CLEAR_AGI_BUCKET_LOG_RES(mp) \
868 ((mp)->m_sb.sb_sectsize + 128)
869
870#define XFS_CLEAR_AGI_BUCKET_LOG_RES(mp) ((mp)->m_reservations.tr_clearagi)
871
872
873/*
874 * Various log count values.
875 */
876#define XFS_DEFAULT_LOG_COUNT 1
877#define XFS_DEFAULT_PERM_LOG_COUNT 2
878#define XFS_ITRUNCATE_LOG_COUNT 2
879#define XFS_INACTIVE_LOG_COUNT 2
880#define XFS_CREATE_LOG_COUNT 2
881#define XFS_MKDIR_LOG_COUNT 3
882#define XFS_SYMLINK_LOG_COUNT 3
883#define XFS_REMOVE_LOG_COUNT 2
884#define XFS_LINK_LOG_COUNT 2
885#define XFS_RENAME_LOG_COUNT 2
886#define XFS_WRITE_LOG_COUNT 2
887#define XFS_ADDAFORK_LOG_COUNT 2
888#define XFS_ATTRINVAL_LOG_COUNT 1
889#define XFS_ATTRSET_LOG_COUNT 3
890#define XFS_ATTRRM_LOG_COUNT 3
891
892/*
893 * Here we centralize the specification of XFS meta-data buffer
894 * reference count values. This determine how hard the buffer
895 * cache tries to hold onto the buffer.
896 */
897#define XFS_AGF_REF 4
898#define XFS_AGI_REF 4
899#define XFS_AGFL_REF 3
900#define XFS_INO_BTREE_REF 3
901#define XFS_ALLOC_BTREE_REF 2
902#define XFS_BMAP_BTREE_REF 2
903#define XFS_DIR_BTREE_REF 2
904#define XFS_ATTR_BTREE_REF 1
905#define XFS_INO_REF 1
906#define XFS_DQUOT_REF 1
907
908#ifdef __KERNEL__
909/*
910 * XFS transaction mechanism exported interfaces that are
911 * actually macros.
912 */
913#define xfs_trans_get_log_res(tp) ((tp)->t_log_res)
914#define xfs_trans_get_log_count(tp) ((tp)->t_log_count)
915#define xfs_trans_get_block_res(tp) ((tp)->t_blk_res)
916#define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
917
918#ifdef DEBUG
David Chinner20f4ebf2007-02-10 18:36:10 +1100919#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d)
920#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d)
921#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700922#else
923#define xfs_trans_agblocks_delta(tp, d)
924#define xfs_trans_agflist_delta(tp, d)
925#define xfs_trans_agbtree_delta(tp, d)
926#endif
927
928/*
929 * XFS transaction mechanism exported interfaces.
930 */
931void xfs_trans_init(struct xfs_mount *);
932xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint);
933xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint);
934xfs_trans_t *xfs_trans_dup(xfs_trans_t *);
935int xfs_trans_reserve(xfs_trans_t *, uint, uint, uint,
936 uint, uint);
David Chinner20f4ebf2007-02-10 18:36:10 +1100937void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700938struct xfs_buf *xfs_trans_get_buf(xfs_trans_t *, struct xfs_buftarg *, xfs_daddr_t,
939 int, uint);
940int xfs_trans_read_buf(struct xfs_mount *, xfs_trans_t *,
941 struct xfs_buftarg *, xfs_daddr_t, int, uint,
942 struct xfs_buf **);
943struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int);
944
945void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
946void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
947void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
Tim Shimminefa092f2005-09-05 08:29:01 +1000948void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700949void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
950void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700951void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
952void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
953void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
954int xfs_trans_iget(struct xfs_mount *, xfs_trans_t *,
955 xfs_ino_t , uint, uint, struct xfs_inode **);
956void xfs_trans_ijoin(xfs_trans_t *, struct xfs_inode *, uint);
957void xfs_trans_ihold(xfs_trans_t *, struct xfs_inode *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700958void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
959void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
960struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint);
961void xfs_efi_release(struct xfs_efi_log_item *, uint);
962void xfs_trans_log_efi_extent(xfs_trans_t *,
963 struct xfs_efi_log_item *,
964 xfs_fsblock_t,
965 xfs_extlen_t);
966struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *,
967 struct xfs_efi_log_item *,
968 uint);
969void xfs_trans_log_efd_extent(xfs_trans_t *,
970 struct xfs_efd_log_item *,
971 xfs_fsblock_t,
972 xfs_extlen_t);
Christoph Hellwigf538d4d2005-11-02 10:26:59 +1100973int _xfs_trans_commit(xfs_trans_t *,
974 uint flags,
Christoph Hellwigf538d4d2005-11-02 10:26:59 +1100975 int *);
Eric Sandeen1c72bf92007-05-08 13:48:42 +1000976#define xfs_trans_commit(tp, flags) _xfs_trans_commit(tp, flags, NULL)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700977void xfs_trans_cancel(xfs_trans_t *, int);
Niv Sardi322ff6b2008-08-13 16:05:49 +1000978int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
David Chinner249a8c12008-02-05 12:13:32 +1100979int xfs_trans_ail_init(struct xfs_mount *);
980void xfs_trans_ail_destroy(struct xfs_mount *);
981void xfs_trans_push_ail(struct xfs_mount *, xfs_lsn_t);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700982xfs_lsn_t xfs_trans_tail_ail(struct xfs_mount *);
983void xfs_trans_unlocked_item(struct xfs_mount *,
984 xfs_log_item_t *);
985xfs_log_busy_slot_t *xfs_trans_add_busy(xfs_trans_t *tp,
986 xfs_agnumber_t ag,
987 xfs_extlen_t idx);
988
David Chinnera8272ce2007-11-23 16:28:09 +1100989extern kmem_zone_t *xfs_trans_zone;
990
Linus Torvalds1da177e2005-04-16 15:20:36 -0700991#endif /* __KERNEL__ */
992
993#endif /* __XFS_TRANS_H__ */