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959ef981 | 1 | // SPDX-License-Identifier: GPL-2.0 |
2bd0ea18 | 2 | /* |
f1b058f9 | 3 | * Copyright (c) 2000-2001,2005-2006 Silicon Graphics, Inc. |
4329aa4c | 4 | * Copyright (C) 2010 Red Hat, Inc. |
da23017d | 5 | * All Rights Reserved. |
2bd0ea18 NS |
6 | */ |
7 | ||
9c799827 | 8 | #include "libxfs_priv.h" |
b626fb59 DC |
9 | #include "xfs_fs.h" |
10 | #include "xfs_shared.h" | |
11 | #include "xfs_format.h" | |
12 | #include "xfs_log_format.h" | |
13 | #include "xfs_trans_resv.h" | |
14 | #include "xfs_mount.h" | |
15 | #include "xfs_inode_buf.h" | |
16 | #include "xfs_inode_fork.h" | |
17 | #include "xfs_inode.h" | |
18 | #include "xfs_trans.h" | |
19 | #include "xfs_sb.h" | |
2bd0ea18 | 20 | |
7bcb8403 | 21 | static void xfs_trans_free_items(struct xfs_trans *tp); |
f94c53c0 DW |
22 | STATIC struct xfs_trans *xfs_trans_dup(struct xfs_trans *tp); |
23 | static int xfs_trans_reserve(struct xfs_trans *tp, struct xfs_trans_res *resp, | |
24 | uint blocks, uint rtextents); | |
25 | static int __xfs_trans_commit(struct xfs_trans *tp, bool regrant); | |
7bcb8403 | 26 | |
2bd0ea18 NS |
27 | /* |
28 | * Simple transaction interface | |
29 | */ | |
30 | ||
67d72279 | 31 | kmem_zone_t *xfs_trans_zone; |
4329aa4c DC |
32 | |
33 | /* | |
34 | * Initialize the precomputed transaction reservation values | |
35 | * in the mount structure. | |
36 | */ | |
37 | void | |
38 | libxfs_trans_init( | |
39 | struct xfs_mount *mp) | |
40 | { | |
cf52c730 | 41 | xfs_trans_resv_calc(mp, &mp->m_resv); |
4329aa4c DC |
42 | } |
43 | ||
44 | /* | |
45 | * Add the given log item to the transaction's list of log items. | |
4329aa4c DC |
46 | */ |
47 | void | |
48 | libxfs_trans_add_item( | |
49 | struct xfs_trans *tp, | |
50 | struct xfs_log_item *lip) | |
51 | { | |
4329aa4c DC |
52 | ASSERT(lip->li_mountp == tp->t_mountp); |
53 | ASSERT(lip->li_ailp == tp->t_mountp->m_ail); | |
2fdd378a DC |
54 | ASSERT(list_empty(&lip->li_trans)); |
55 | ASSERT(!test_bit(XFS_LI_DIRTY, &lip->li_flags)); | |
4329aa4c | 56 | |
2fdd378a | 57 | list_add_tail(&lip->li_trans, &tp->t_items); |
a1c5615e ES |
58 | } |
59 | ||
4329aa4c DC |
60 | /* |
61 | * Unlink and free the given descriptor. | |
62 | */ | |
63 | void | |
64 | libxfs_trans_del_item( | |
65 | struct xfs_log_item *lip) | |
66 | { | |
2fdd378a DC |
67 | clear_bit(XFS_LI_DIRTY, &lip->li_flags); |
68 | list_del_init(&lip->li_trans); | |
4329aa4c DC |
69 | } |
70 | ||
71 | /* | |
72 | * Roll from one trans in the sequence of PERMANENT transactions to | |
73 | * the next: permanent transactions are only flushed out when | |
74 | * committed with XFS_TRANS_RELEASE_LOG_RES, but we still want as soon | |
75 | * as possible to let chunks of it go to the log. So we commit the | |
76 | * chunk we've been working on and get a new transaction to continue. | |
77 | */ | |
78 | int | |
79 | libxfs_trans_roll( | |
d67406c9 | 80 | struct xfs_trans **tpp) |
4329aa4c | 81 | { |
d67406c9 | 82 | struct xfs_trans *trans = *tpp; |
48ea6cb9 | 83 | struct xfs_trans_res tres; |
4329aa4c DC |
84 | int error; |
85 | ||
4329aa4c DC |
86 | /* |
87 | * Copy the critical parameters from one trans to the next. | |
88 | */ | |
48ea6cb9 DC |
89 | tres.tr_logres = trans->t_log_res; |
90 | tres.tr_logcount = trans->t_log_count; | |
f94c53c0 DW |
91 | |
92 | *tpp = xfs_trans_dup(trans); | |
4329aa4c DC |
93 | |
94 | /* | |
95 | * Commit the current transaction. | |
96 | * If this commit failed, then it'd just unlock those items that | |
260c85e8 | 97 | * are marked to be released. That also means that a filesystem shutdown |
4329aa4c DC |
98 | * is in progress. The caller takes the responsibility to cancel |
99 | * the duplicate transaction that gets returned. | |
100 | */ | |
f94c53c0 | 101 | error = __xfs_trans_commit(trans, true); |
4329aa4c | 102 | if (error) |
af43ca9f | 103 | return error; |
4329aa4c | 104 | |
4329aa4c | 105 | /* |
d67406c9 | 106 | * Reserve space in the log for the next transaction. |
4329aa4c DC |
107 | * This also pushes items in the "AIL", the list of logged items, |
108 | * out to disk if they are taking up space at the tail of the log | |
109 | * that we want to use. This requires that either nothing be locked | |
110 | * across this call, or that anything that is locked be logged in | |
111 | * the prior and the next transactions. | |
112 | */ | |
48ea6cb9 | 113 | tres.tr_logflags = XFS_TRANS_PERM_LOG_RES; |
f94c53c0 | 114 | return xfs_trans_reserve(*tpp, &tres, 0, 0); |
4329aa4c DC |
115 | } |
116 | ||
67d72279 ES |
117 | /* |
118 | * Free the transaction structure. If there is more clean up | |
119 | * to do when the structure is freed, add it here. | |
120 | */ | |
121 | static void | |
122 | xfs_trans_free( | |
123 | struct xfs_trans *tp) | |
124 | { | |
125 | kmem_zone_free(xfs_trans_zone, tp); | |
126 | } | |
127 | ||
f94c53c0 DW |
128 | /* |
129 | * This is called to create a new transaction which will share the | |
130 | * permanent log reservation of the given transaction. The remaining | |
131 | * unused block and rt extent reservations are also inherited. This | |
132 | * implies that the original transaction is no longer allowed to allocate | |
133 | * blocks. Locks and log items, however, are no inherited. They must | |
134 | * be added to the new transaction explicitly. | |
135 | */ | |
136 | STATIC struct xfs_trans * | |
137 | xfs_trans_dup( | |
138 | struct xfs_trans *tp) | |
139 | { | |
140 | struct xfs_trans *ntp; | |
141 | ||
142 | ntp = kmem_zone_zalloc(xfs_trans_zone, KM_SLEEP); | |
143 | ||
144 | /* | |
145 | * Initialize the new transaction structure. | |
146 | */ | |
147 | ntp->t_mountp = tp->t_mountp; | |
148 | INIT_LIST_HEAD(&ntp->t_items); | |
149 | ||
150 | ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES); | |
151 | ||
152 | ntp->t_flags = XFS_TRANS_PERM_LOG_RES | | |
153 | (tp->t_flags & XFS_TRANS_RESERVE) | | |
154 | (tp->t_flags & XFS_TRANS_NO_WRITECOUNT); | |
155 | /* We gave our writer reference to the new transaction */ | |
156 | tp->t_flags |= XFS_TRANS_NO_WRITECOUNT; | |
9074815c | 157 | |
41ab9202 DW |
158 | ntp->t_blk_res = tp->t_blk_res - tp->t_blk_res_used; |
159 | tp->t_blk_res = tp->t_blk_res_used; | |
160 | ||
f94c53c0 DW |
161 | ntp->t_agfl_dfops = tp->t_agfl_dfops; |
162 | ||
163 | return ntp; | |
164 | } | |
165 | ||
166 | /* | |
167 | * This is called to reserve free disk blocks and log space for the | |
168 | * given transaction. This must be done before allocating any resources | |
169 | * within the transaction. | |
170 | * | |
171 | * This will return ENOSPC if there are not enough blocks available. | |
172 | * It will sleep waiting for available log space. | |
173 | * The only valid value for the flags parameter is XFS_RES_LOG_PERM, which | |
174 | * is used by long running transactions. If any one of the reservations | |
175 | * fails then they will all be backed out. | |
176 | * | |
177 | * This does not do quota reservations. That typically is done by the | |
178 | * caller afterwards. | |
179 | */ | |
180 | static int | |
181 | xfs_trans_reserve( | |
182 | struct xfs_trans *tp, | |
183 | struct xfs_trans_res *resp, | |
184 | uint blocks, | |
185 | uint rtextents) | |
2bd0ea18 | 186 | { |
f94c53c0 | 187 | int error = 0; |
9074815c CH |
188 | |
189 | /* | |
190 | * Attempt to reserve the needed disk blocks by decrementing | |
f94c53c0 | 191 | * the number needed from the number available. This will |
9074815c CH |
192 | * fail if the count would go below zero. |
193 | */ | |
194 | if (blocks > 0) { | |
f94c53c0 | 195 | if (tp->t_mountp->m_sb.sb_fdblocks < blocks) |
9074815c | 196 | return -ENOSPC; |
f94c53c0 | 197 | tp->t_blk_res += blocks; |
9074815c | 198 | } |
2bd0ea18 | 199 | |
f94c53c0 DW |
200 | /* |
201 | * Reserve the log space needed for this transaction. | |
202 | */ | |
203 | if (resp->tr_logres > 0) { | |
204 | ASSERT(tp->t_log_res == 0 || | |
205 | tp->t_log_res == resp->tr_logres); | |
206 | ASSERT(tp->t_log_count == 0 || | |
207 | tp->t_log_count == resp->tr_logcount); | |
208 | ||
209 | if (resp->tr_logflags & XFS_TRANS_PERM_LOG_RES) | |
210 | tp->t_flags |= XFS_TRANS_PERM_LOG_RES; | |
211 | else | |
212 | ASSERT(!(tp->t_flags & XFS_TRANS_PERM_LOG_RES)); | |
213 | ||
214 | tp->t_log_res = resp->tr_logres; | |
215 | tp->t_log_count = resp->tr_logcount; | |
216 | } | |
217 | ||
218 | /* | |
219 | * Attempt to reserve the needed realtime extents by decrementing | |
220 | * the number needed from the number available. This will | |
221 | * fail if the count would go below zero. | |
222 | */ | |
223 | if (rtextents > 0) { | |
224 | if (tp->t_mountp->m_sb.sb_rextents < rtextents) { | |
225 | error = -ENOSPC; | |
226 | goto undo_blocks; | |
227 | } | |
228 | } | |
229 | ||
230 | return 0; | |
231 | ||
232 | /* | |
233 | * Error cases jump to one of these labels to undo any | |
234 | * reservations which have already been performed. | |
235 | */ | |
236 | undo_blocks: | |
237 | if (blocks > 0) | |
238 | tp->t_blk_res = 0; | |
239 | ||
240 | return error; | |
241 | } | |
242 | ||
243 | int | |
244 | libxfs_trans_alloc( | |
245 | struct xfs_mount *mp, | |
246 | struct xfs_trans_res *resp, | |
247 | unsigned int blocks, | |
248 | unsigned int rtextents, | |
249 | unsigned int flags, | |
250 | struct xfs_trans **tpp) | |
251 | ||
252 | { | |
253 | struct xfs_trans *tp; | |
254 | int error; | |
255 | ||
256 | tp = kmem_zone_zalloc(xfs_trans_zone, | |
67d72279 | 257 | (flags & XFS_TRANS_NOFS) ? KM_NOFS : KM_SLEEP); |
f94c53c0 DW |
258 | tp->t_mountp = mp; |
259 | INIT_LIST_HEAD(&tp->t_items); | |
260 | ||
261 | error = xfs_trans_reserve(tp, resp, blocks, rtextents); | |
262 | if (error) { | |
263 | xfs_trans_cancel(tp); | |
264 | return error; | |
265 | } | |
2bd0ea18 | 266 | #ifdef XACT_DEBUG |
f94c53c0 | 267 | fprintf(stderr, "allocated new transaction %p\n", tp); |
2bd0ea18 | 268 | #endif |
f94c53c0 | 269 | *tpp = tp; |
2bd0ea18 NS |
270 | return 0; |
271 | } | |
272 | ||
d4e8eb2e DW |
273 | /* |
274 | * Create an empty transaction with no reservation. This is a defensive | |
275 | * mechanism for routines that query metadata without actually modifying | |
276 | * them -- if the metadata being queried is somehow cross-linked (think a | |
277 | * btree block pointer that points higher in the tree), we risk deadlock. | |
278 | * However, blocks grabbed as part of a transaction can be re-grabbed. | |
279 | * The verifiers will notice the corrupt block and the operation will fail | |
280 | * back to userspace without deadlocking. | |
281 | * | |
282 | * Note the zero-length reservation; this transaction MUST be cancelled | |
283 | * without any dirty data. | |
284 | */ | |
285 | int | |
3680a764 | 286 | libxfs_trans_alloc_empty( |
d4e8eb2e DW |
287 | struct xfs_mount *mp, |
288 | struct xfs_trans **tpp) | |
289 | { | |
290 | struct xfs_trans_res resv = {0}; | |
291 | ||
292 | return xfs_trans_alloc(mp, &resv, 0, 0, XFS_TRANS_NO_WRITECOUNT, tpp); | |
293 | } | |
294 | ||
225e4bb2 DW |
295 | /* |
296 | * Allocate a transaction that can be rolled. Since userspace doesn't have | |
297 | * a need for log reservations, we really only tr_itruncate to get the | |
298 | * permanent log reservation flag to avoid blowing asserts. | |
299 | */ | |
300 | int | |
301 | libxfs_trans_alloc_rollable( | |
302 | struct xfs_mount *mp, | |
303 | unsigned int blocks, | |
304 | struct xfs_trans **tpp) | |
305 | { | |
306 | return libxfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, blocks, | |
307 | 0, 0, tpp); | |
308 | } | |
309 | ||
2bd0ea18 | 310 | void |
ad10fb70 | 311 | libxfs_trans_cancel( |
f94c53c0 | 312 | struct xfs_trans *tp) |
2bd0ea18 NS |
313 | { |
314 | #ifdef XACT_DEBUG | |
f94c53c0 | 315 | struct xfs_trans *otp = tp; |
2bd0ea18 | 316 | #endif |
f94c53c0 DW |
317 | if (tp == NULL) |
318 | goto out; | |
319 | ||
320 | xfs_trans_free_items(tp); | |
321 | xfs_trans_free(tp); | |
322 | ||
323 | out: | |
2bd0ea18 NS |
324 | #ifdef XACT_DEBUG |
325 | fprintf(stderr, "## cancelled transaction %p\n", otp); | |
326 | #endif | |
f94c53c0 | 327 | return; |
2bd0ea18 NS |
328 | } |
329 | ||
330 | int | |
ad10fb70 NS |
331 | libxfs_trans_iget( |
332 | xfs_mount_t *mp, | |
333 | xfs_trans_t *tp, | |
334 | xfs_ino_t ino, | |
46eca962 | 335 | uint flags, |
ad10fb70 NS |
336 | uint lock_flags, |
337 | xfs_inode_t **ipp) | |
2bd0ea18 NS |
338 | { |
339 | int error; | |
340 | xfs_inode_t *ip; | |
341 | xfs_inode_log_item_t *iip; | |
342 | ||
343 | if (tp == NULL) | |
12ac6e04 DW |
344 | return libxfs_iget(mp, tp, ino, lock_flags, ipp, |
345 | &xfs_default_ifork_ops); | |
2bd0ea18 | 346 | |
12ac6e04 DW |
347 | error = libxfs_iget(mp, tp, ino, lock_flags, &ip, |
348 | &xfs_default_ifork_ops); | |
2bd0ea18 NS |
349 | if (error) |
350 | return error; | |
351 | ASSERT(ip != NULL); | |
352 | ||
353 | if (ip->i_itemp == NULL) | |
354 | xfs_inode_item_init(ip, mp); | |
355 | iip = ip->i_itemp; | |
356 | xfs_trans_add_item(tp, (xfs_log_item_t *)(iip)); | |
357 | ||
358 | /* initialize i_transp so we can find it incore */ | |
359 | ip->i_transp = tp; | |
360 | ||
361 | *ipp = ip; | |
362 | return 0; | |
363 | } | |
364 | ||
2bd0ea18 | 365 | void |
ad10fb70 NS |
366 | libxfs_trans_ijoin( |
367 | xfs_trans_t *tp, | |
368 | xfs_inode_t *ip, | |
369 | uint lock_flags) | |
2bd0ea18 NS |
370 | { |
371 | xfs_inode_log_item_t *iip; | |
372 | ||
373 | ASSERT(ip->i_transp == NULL); | |
374 | if (ip->i_itemp == NULL) | |
375 | xfs_inode_item_init(ip, ip->i_mount); | |
376 | iip = ip->i_itemp; | |
377 | ASSERT(iip->ili_flags == 0); | |
378 | ASSERT(iip->ili_inode != NULL); | |
379 | ||
380 | xfs_trans_add_item(tp, (xfs_log_item_t *)(iip)); | |
381 | ||
382 | ip->i_transp = tp; | |
383 | #ifdef XACT_DEBUG | |
384 | fprintf(stderr, "ijoin'd inode %llu, transaction %p\n", ip->i_ino, tp); | |
385 | #endif | |
386 | } | |
387 | ||
c40bdaa2 DC |
388 | void |
389 | libxfs_trans_ijoin_ref( | |
390 | xfs_trans_t *tp, | |
391 | xfs_inode_t *ip, | |
392 | int lock_flags) | |
393 | { | |
394 | ASSERT(ip->i_transp == tp); | |
395 | ASSERT(ip->i_itemp != NULL); | |
396 | ||
397 | xfs_trans_ijoin(tp, ip, lock_flags); | |
c40bdaa2 DC |
398 | |
399 | #ifdef XACT_DEBUG | |
400 | fprintf(stderr, "ijoin_ref'd inode %llu, transaction %p\n", ip->i_ino, tp); | |
401 | #endif | |
402 | } | |
403 | ||
2bd0ea18 | 404 | void |
ad10fb70 NS |
405 | libxfs_trans_inode_alloc_buf( |
406 | xfs_trans_t *tp, | |
407 | xfs_buf_t *bp) | |
2bd0ea18 | 408 | { |
37d086ca | 409 | xfs_buf_log_item_t *bip = bp->b_log_item; |
2bd0ea18 | 410 | |
cfc06b60 | 411 | ASSERT(bp->bp_transp == tp); |
38d096b6 | 412 | ASSERT(bip != NULL); |
2bd0ea18 | 413 | bip->bli_flags |= XFS_BLI_INODE_ALLOC_BUF; |
bdc16ee5 | 414 | xfs_trans_buf_set_type(tp, bp, XFS_BLFT_DINO_BUF); |
2bd0ea18 NS |
415 | } |
416 | ||
417 | /* | |
418 | * This is called to mark the fields indicated in fieldmask as needing | |
419 | * to be logged when the transaction is committed. The inode must | |
420 | * already be associated with the given transaction. | |
421 | * | |
2d4bfb91 | 422 | * The values for fieldmask are defined in xfs_log_format.h. We always |
2bd0ea18 NS |
423 | * log all of the core inode if any of it has changed, and we always log |
424 | * all of the inline data/extents/b-tree root if any of them has changed. | |
425 | */ | |
426 | void | |
427 | xfs_trans_log_inode( | |
ad10fb70 NS |
428 | xfs_trans_t *tp, |
429 | xfs_inode_t *ip, | |
430 | uint flags) | |
2bd0ea18 | 431 | { |
2bd0ea18 NS |
432 | ASSERT(ip->i_transp == tp); |
433 | ASSERT(ip->i_itemp != NULL); | |
434 | #ifdef XACT_DEBUG | |
435 | fprintf(stderr, "dirtied inode %llu, transaction %p\n", ip->i_ino, tp); | |
436 | #endif | |
437 | ||
2bd0ea18 | 438 | tp->t_flags |= XFS_TRANS_DIRTY; |
2fdd378a | 439 | set_bit(XFS_LI_DIRTY, &ip->i_itemp->ili_item.li_flags); |
2bd0ea18 NS |
440 | |
441 | /* | |
442 | * Always OR in the bits from the ili_last_fields field. | |
443 | * This is to coordinate with the xfs_iflush() and xfs_iflush_done() | |
444 | * routines in the eventual clearing of the ilf_fields bits. | |
445 | * See the big comment in xfs_iflush() for an explanation of | |
446 | * this coordination mechanism. | |
447 | */ | |
448 | flags |= ip->i_itemp->ili_last_fields; | |
a2ceac1f | 449 | ip->i_itemp->ili_fields |= flags; |
2bd0ea18 NS |
450 | } |
451 | ||
d67406c9 CH |
452 | int |
453 | libxfs_trans_roll_inode( | |
454 | struct xfs_trans **tpp, | |
455 | struct xfs_inode *ip) | |
456 | { | |
457 | int error; | |
458 | ||
459 | xfs_trans_log_inode(*tpp, ip, XFS_ILOG_CORE); | |
460 | error = xfs_trans_roll(tpp); | |
461 | if (!error) | |
462 | xfs_trans_ijoin(*tpp, ip, 0); | |
463 | return error; | |
464 | } | |
465 | ||
466 | ||
59630067 BF |
467 | /* |
468 | * Mark a buffer dirty in the transaction. | |
469 | */ | |
470 | void | |
471 | libxfs_trans_dirty_buf( | |
472 | struct xfs_trans *tp, | |
473 | struct xfs_buf *bp) | |
474 | { | |
37d086ca | 475 | struct xfs_buf_log_item *bip = bp->b_log_item; |
59630067 | 476 | |
cfc06b60 | 477 | ASSERT(bp->bp_transp == tp); |
38d096b6 | 478 | ASSERT(bip != NULL); |
59630067 | 479 | |
59630067 BF |
480 | #ifdef XACT_DEBUG |
481 | fprintf(stderr, "dirtied buffer %p, transaction %p\n", bp, tp); | |
482 | #endif | |
483 | tp->t_flags |= XFS_TRANS_DIRTY; | |
2fdd378a | 484 | set_bit(XFS_LI_DIRTY, &bip->bli_item.li_flags); |
59630067 BF |
485 | } |
486 | ||
2bd0ea18 NS |
487 | /* |
488 | * This is called to mark bytes first through last inclusive of the given | |
489 | * buffer as needing to be logged when the transaction is committed. | |
490 | * The buffer must already be associated with the given transaction. | |
5000d01d | 491 | * |
2bd0ea18 NS |
492 | * First and last are numbers relative to the beginning of this buffer, |
493 | * so the first byte in the buffer is numbered 0 regardless of the | |
494 | * value of b_blkno. | |
495 | */ | |
496 | void | |
ad10fb70 | 497 | libxfs_trans_log_buf( |
59630067 BF |
498 | struct xfs_trans *tp, |
499 | struct xfs_buf *bp, | |
ad10fb70 NS |
500 | uint first, |
501 | uint last) | |
2bd0ea18 | 502 | { |
37d086ca | 503 | struct xfs_buf_log_item *bip = bp->b_log_item; |
2bd0ea18 | 504 | |
135e4bfe | 505 | ASSERT((first <= last) && (last < bp->b_bcount)); |
2bd0ea18 | 506 | |
59630067 | 507 | xfs_trans_dirty_buf(tp, bp); |
2bd0ea18 NS |
508 | xfs_buf_item_log(bip, first, last); |
509 | } | |
510 | ||
38fa71a7 BF |
511 | /* |
512 | * For userspace, ordered buffers just need to be marked dirty so | |
513 | * the transaction commit will write them and mark them up-to-date. | |
514 | * In essence, they are just like any other logged buffer in userspace. | |
515 | * | |
516 | * If the buffer is already dirty, trigger the "already logged" return condition. | |
517 | */ | |
518 | bool | |
519 | libxfs_trans_ordered_buf( | |
520 | struct xfs_trans *tp, | |
521 | struct xfs_buf *bp) | |
522 | { | |
37d086ca | 523 | struct xfs_buf_log_item *bip = bp->b_log_item; |
38fa71a7 BF |
524 | bool ret; |
525 | ||
2fdd378a | 526 | ret = test_bit(XFS_LI_DIRTY, &bip->bli_item.li_flags); |
38fa71a7 BF |
527 | libxfs_trans_log_buf(tp, bp, 0, bp->b_bcount); |
528 | return ret; | |
529 | } | |
530 | ||
2bd0ea18 | 531 | void |
ad10fb70 NS |
532 | libxfs_trans_brelse( |
533 | xfs_trans_t *tp, | |
534 | xfs_buf_t *bp) | |
2bd0ea18 NS |
535 | { |
536 | xfs_buf_log_item_t *bip; | |
2bd0ea18 NS |
537 | #ifdef XACT_DEBUG |
538 | fprintf(stderr, "released buffer %p, transaction %p\n", bp, tp); | |
539 | #endif | |
540 | ||
541 | if (tp == NULL) { | |
cfc06b60 | 542 | ASSERT(bp->bp_transp == NULL); |
2bd0ea18 NS |
543 | libxfs_putbuf(bp); |
544 | return; | |
545 | } | |
cfc06b60 | 546 | ASSERT(bp->bp_transp == tp); |
37d086ca | 547 | bip = bp->b_log_item; |
2bd0ea18 | 548 | ASSERT(bip->bli_item.li_type == XFS_LI_BUF); |
2bd0ea18 NS |
549 | if (bip->bli_recur > 0) { |
550 | bip->bli_recur--; | |
551 | return; | |
552 | } | |
f1b058f9 NS |
553 | /* If dirty/stale, can't release till transaction committed */ |
554 | if (bip->bli_flags & XFS_BLI_STALE) | |
555 | return; | |
2fdd378a | 556 | if (test_bit(XFS_LI_DIRTY, &bip->bli_item.li_flags)) |
2bd0ea18 | 557 | return; |
c40bdaa2 | 558 | xfs_trans_del_item(&bip->bli_item); |
f1b058f9 | 559 | if (bip->bli_flags & XFS_BLI_HOLD) |
2bd0ea18 | 560 | bip->bli_flags &= ~XFS_BLI_HOLD; |
cfc06b60 | 561 | bp->b_transp = NULL; |
2bd0ea18 NS |
562 | libxfs_putbuf(bp); |
563 | } | |
564 | ||
565 | void | |
ad10fb70 NS |
566 | libxfs_trans_binval( |
567 | xfs_trans_t *tp, | |
568 | xfs_buf_t *bp) | |
2bd0ea18 | 569 | { |
37d086ca | 570 | xfs_buf_log_item_t *bip = bp->b_log_item; |
2bd0ea18 NS |
571 | #ifdef XACT_DEBUG |
572 | fprintf(stderr, "binval'd buffer %p, transaction %p\n", bp, tp); | |
573 | #endif | |
574 | ||
cfc06b60 | 575 | ASSERT(bp->bp_transp == tp); |
38d096b6 | 576 | ASSERT(bip != NULL); |
2bd0ea18 | 577 | |
f1b058f9 NS |
578 | if (bip->bli_flags & XFS_BLI_STALE) |
579 | return; | |
580 | XFS_BUF_UNDELAYWRITE(bp); | |
a2ceac1f | 581 | xfs_buf_stale(bp); |
f1b058f9 NS |
582 | bip->bli_flags |= XFS_BLI_STALE; |
583 | bip->bli_flags &= ~XFS_BLI_DIRTY; | |
c40bdaa2 DC |
584 | bip->bli_format.blf_flags &= ~XFS_BLF_INODE_BUF; |
585 | bip->bli_format.blf_flags |= XFS_BLF_CANCEL; | |
2fdd378a | 586 | set_bit(XFS_LI_DIRTY, &bip->bli_item.li_flags); |
2bd0ea18 NS |
587 | tp->t_flags |= XFS_TRANS_DIRTY; |
588 | } | |
589 | ||
590 | void | |
ad10fb70 NS |
591 | libxfs_trans_bjoin( |
592 | xfs_trans_t *tp, | |
593 | xfs_buf_t *bp) | |
2bd0ea18 NS |
594 | { |
595 | xfs_buf_log_item_t *bip; | |
596 | ||
cfc06b60 | 597 | ASSERT(bp->bp_transp == NULL); |
2bd0ea18 NS |
598 | #ifdef XACT_DEBUG |
599 | fprintf(stderr, "bjoin'd buffer %p, transaction %p\n", bp, tp); | |
600 | #endif | |
601 | ||
602 | xfs_buf_item_init(bp, tp->t_mountp); | |
37d086ca | 603 | bip = bp->b_log_item; |
2bd0ea18 | 604 | xfs_trans_add_item(tp, (xfs_log_item_t *)bip); |
cfc06b60 | 605 | bp->b_transp = tp; |
2bd0ea18 NS |
606 | } |
607 | ||
608 | void | |
ad10fb70 NS |
609 | libxfs_trans_bhold( |
610 | xfs_trans_t *tp, | |
611 | xfs_buf_t *bp) | |
2bd0ea18 | 612 | { |
37d086ca | 613 | xfs_buf_log_item_t *bip = bp->b_log_item; |
2bd0ea18 | 614 | |
cfc06b60 | 615 | ASSERT(bp->bp_transp == tp); |
37d086ca | 616 | ASSERT(bip != NULL); |
2bd0ea18 NS |
617 | #ifdef XACT_DEBUG |
618 | fprintf(stderr, "bhold'd buffer %p, transaction %p\n", bp, tp); | |
619 | #endif | |
620 | ||
2bd0ea18 NS |
621 | bip->bli_flags |= XFS_BLI_HOLD; |
622 | } | |
623 | ||
624 | xfs_buf_t * | |
a2ceac1f | 625 | libxfs_trans_get_buf_map( |
ad10fb70 | 626 | xfs_trans_t *tp, |
75c8b434 | 627 | struct xfs_buftarg *btp, |
a2ceac1f DC |
628 | struct xfs_buf_map *map, |
629 | int nmaps, | |
ad10fb70 | 630 | uint f) |
2bd0ea18 NS |
631 | { |
632 | xfs_buf_t *bp; | |
633 | xfs_buf_log_item_t *bip; | |
2bd0ea18 NS |
634 | |
635 | if (tp == NULL) | |
7e3ab890 | 636 | return libxfs_getbuf_map(btp, map, nmaps, 0); |
2bd0ea18 | 637 | |
75c8b434 | 638 | bp = xfs_trans_buf_item_match(tp, btp, map, nmaps); |
2bd0ea18 | 639 | if (bp != NULL) { |
cfc06b60 | 640 | ASSERT(bp->bp_transp == tp); |
37d086ca | 641 | bip = bp->b_log_item; |
2bd0ea18 NS |
642 | ASSERT(bip != NULL); |
643 | bip->bli_recur++; | |
644 | return bp; | |
645 | } | |
646 | ||
7e3ab890 | 647 | bp = libxfs_getbuf_map(btp, map, nmaps, 0); |
2bd0ea18 NS |
648 | if (bp == NULL) |
649 | return NULL; | |
650 | #ifdef XACT_DEBUG | |
651 | fprintf(stderr, "trans_get_buf buffer %p, transaction %p\n", bp, tp); | |
652 | #endif | |
653 | ||
654 | xfs_buf_item_init(bp, tp->t_mountp); | |
37d086ca | 655 | bip = bp->b_log_item; |
2bd0ea18 NS |
656 | bip->bli_recur = 0; |
657 | xfs_trans_add_item(tp, (xfs_log_item_t *)bip); | |
658 | ||
cfc06b60 CH |
659 | /* initialize b_transp so we can find it incore */ |
660 | bp->b_transp = tp; | |
2bd0ea18 NS |
661 | return bp; |
662 | } | |
663 | ||
f1b058f9 NS |
664 | xfs_buf_t * |
665 | libxfs_trans_getsb( | |
666 | xfs_trans_t *tp, | |
667 | xfs_mount_t *mp, | |
668 | int flags) | |
669 | { | |
670 | xfs_buf_t *bp; | |
671 | xfs_buf_log_item_t *bip; | |
a2ceac1f DC |
672 | int len = XFS_FSS_TO_BB(mp, 1); |
673 | DEFINE_SINGLE_BUF_MAP(map, XFS_SB_DADDR, len); | |
f1b058f9 NS |
674 | |
675 | if (tp == NULL) | |
676 | return libxfs_getsb(mp, flags); | |
677 | ||
a2ceac1f | 678 | bp = xfs_trans_buf_item_match(tp, mp->m_dev, &map, 1); |
f1b058f9 | 679 | if (bp != NULL) { |
cfc06b60 | 680 | ASSERT(bp->bp_transp == tp); |
37d086ca | 681 | bip = bp->b_log_item; |
f1b058f9 NS |
682 | ASSERT(bip != NULL); |
683 | bip->bli_recur++; | |
684 | return bp; | |
685 | } | |
686 | ||
687 | bp = libxfs_getsb(mp, flags); | |
688 | #ifdef XACT_DEBUG | |
689 | fprintf(stderr, "trans_get_sb buffer %p, transaction %p\n", bp, tp); | |
690 | #endif | |
691 | ||
692 | xfs_buf_item_init(bp, mp); | |
37d086ca | 693 | bip = bp->b_log_item; |
f1b058f9 NS |
694 | bip->bli_recur = 0; |
695 | xfs_trans_add_item(tp, (xfs_log_item_t *)bip); | |
696 | ||
cfc06b60 CH |
697 | /* initialize b_transp so we can find it incore */ |
698 | bp->b_transp = tp; | |
f1b058f9 NS |
699 | return bp; |
700 | } | |
701 | ||
2bd0ea18 | 702 | int |
a2ceac1f | 703 | libxfs_trans_read_buf_map( |
ad10fb70 NS |
704 | xfs_mount_t *mp, |
705 | xfs_trans_t *tp, | |
75c8b434 | 706 | struct xfs_buftarg *btp, |
a2ceac1f DC |
707 | struct xfs_buf_map *map, |
708 | int nmaps, | |
f1b058f9 | 709 | uint flags, |
a2ceac1f DC |
710 | xfs_buf_t **bpp, |
711 | const struct xfs_buf_ops *ops) | |
2bd0ea18 NS |
712 | { |
713 | xfs_buf_t *bp; | |
714 | xfs_buf_log_item_t *bip; | |
a6a7776a | 715 | int error; |
2bd0ea18 | 716 | |
00aea09f CH |
717 | *bpp = NULL; |
718 | ||
2bd0ea18 | 719 | if (tp == NULL) { |
75c8b434 | 720 | bp = libxfs_readbuf_map(btp, map, nmaps, flags, ops); |
00aea09f | 721 | if (!bp) { |
12b53197 | 722 | return (flags & XBF_TRYLOCK) ? -EAGAIN : -ENOMEM; |
00aea09f | 723 | } |
a6a7776a CH |
724 | if (bp->b_error) |
725 | goto out_relse; | |
00aea09f | 726 | goto done; |
2bd0ea18 NS |
727 | } |
728 | ||
75c8b434 | 729 | bp = xfs_trans_buf_item_match(tp, btp, map, nmaps); |
2bd0ea18 | 730 | if (bp != NULL) { |
cfc06b60 | 731 | ASSERT(bp->bp_transp == tp); |
37d086ca CM |
732 | ASSERT(bp->b_log_item != NULL); |
733 | bip = bp->b_log_item; | |
2bd0ea18 | 734 | bip->bli_recur++; |
00aea09f | 735 | goto done; |
2bd0ea18 NS |
736 | } |
737 | ||
75c8b434 | 738 | bp = libxfs_readbuf_map(btp, map, nmaps, flags, ops); |
00aea09f | 739 | if (!bp) { |
12b53197 | 740 | return (flags & XBF_TRYLOCK) ? -EAGAIN : -ENOMEM; |
00aea09f | 741 | } |
a6a7776a CH |
742 | if (bp->b_error) |
743 | goto out_relse; | |
00aea09f | 744 | |
2bd0ea18 NS |
745 | #ifdef XACT_DEBUG |
746 | fprintf(stderr, "trans_read_buf buffer %p, transaction %p\n", bp, tp); | |
747 | #endif | |
748 | ||
749 | xfs_buf_item_init(bp, tp->t_mountp); | |
37d086ca | 750 | bip = bp->b_log_item; |
2bd0ea18 NS |
751 | bip->bli_recur = 0; |
752 | xfs_trans_add_item(tp, (xfs_log_item_t *)bip); | |
753 | ||
cfc06b60 CH |
754 | /* initialise b_transp so we can find it incore */ |
755 | bp->b_transp = tp; | |
00aea09f | 756 | done: |
2bd0ea18 NS |
757 | *bpp = bp; |
758 | return 0; | |
a6a7776a CH |
759 | out_relse: |
760 | error = bp->b_error; | |
761 | xfs_buf_relse(bp); | |
762 | return error; | |
2bd0ea18 NS |
763 | } |
764 | ||
765 | /* | |
766 | * Record the indicated change to the given field for application | |
767 | * to the file system's superblock when the transaction commits. | |
768 | * For now, just store the change in the transaction structure. | |
769 | * Mark the transaction structure to indicate that the superblock | |
5000d01d | 770 | * needs to be updated before committing. |
2bd0ea18 NS |
771 | * |
772 | * Originally derived from xfs_trans_mod_sb(). | |
773 | */ | |
774 | void | |
ad10fb70 NS |
775 | libxfs_trans_mod_sb( |
776 | xfs_trans_t *tp, | |
777 | uint field, | |
778 | long delta) | |
2bd0ea18 NS |
779 | { |
780 | switch (field) { | |
781 | case XFS_TRANS_SB_RES_FDBLOCKS: | |
782 | return; | |
783 | case XFS_TRANS_SB_FDBLOCKS: | |
41ab9202 DW |
784 | if (delta < 0) { |
785 | tp->t_blk_res_used += (uint)-delta; | |
786 | if (tp->t_blk_res_used > tp->t_blk_res) { | |
787 | fprintf(stderr, | |
788 | _("Transaction block reservation exceeded! %u > %u\n"), | |
789 | tp->t_blk_res_used, tp->t_blk_res); | |
790 | ASSERT(0); | |
791 | } | |
792 | } | |
2bd0ea18 NS |
793 | tp->t_fdblocks_delta += delta; |
794 | break; | |
795 | case XFS_TRANS_SB_ICOUNT: | |
796 | ASSERT(delta > 0); | |
797 | tp->t_icount_delta += delta; | |
798 | break; | |
799 | case XFS_TRANS_SB_IFREE: | |
800 | tp->t_ifree_delta += delta; | |
801 | break; | |
802 | case XFS_TRANS_SB_FREXTENTS: | |
803 | tp->t_frextents_delta += delta; | |
804 | break; | |
805 | default: | |
806 | ASSERT(0); | |
807 | return; | |
808 | } | |
809 | tp->t_flags |= (XFS_TRANS_SB_DIRTY | XFS_TRANS_DIRTY); | |
810 | } | |
811 | ||
812 | ||
813 | /* | |
814 | * Transaction commital code follows (i.e. write to disk in libxfs) | |
815 | */ | |
816 | ||
5e656dbb | 817 | static void |
ad10fb70 NS |
818 | inode_item_done( |
819 | xfs_inode_log_item_t *iip) | |
2bd0ea18 | 820 | { |
ad10fb70 NS |
821 | xfs_dinode_t *dip; |
822 | xfs_inode_t *ip; | |
823 | xfs_mount_t *mp; | |
824 | xfs_buf_t *bp; | |
ad10fb70 | 825 | int error; |
2bd0ea18 NS |
826 | |
827 | ip = iip->ili_inode; | |
828 | mp = iip->ili_item.li_mountp; | |
2bd0ea18 NS |
829 | ASSERT(ip != NULL); |
830 | ||
a2ceac1f | 831 | if (!(iip->ili_fields & XFS_ILOG_ALL)) { |
2bd0ea18 NS |
832 | ip->i_transp = NULL; /* disassociate from transaction */ |
833 | iip->ili_flags = 0; /* reset all flags */ | |
260c85e8 | 834 | return; |
2bd0ea18 NS |
835 | } |
836 | ||
837 | /* | |
838 | * Get the buffer containing the on-disk inode. | |
839 | */ | |
a2ceac1f | 840 | error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &bp, 0, 0); |
2bd0ea18 | 841 | if (error) { |
a2ceac1f | 842 | fprintf(stderr, _("%s: warning - imap_to_bp failed (%d)\n"), |
2bd0ea18 | 843 | progname, error); |
260c85e8 | 844 | return; |
2bd0ea18 NS |
845 | } |
846 | ||
37d086ca | 847 | bp->b_log_item = iip; |
2bd0ea18 NS |
848 | error = libxfs_iflush_int(ip, bp); |
849 | if (error) { | |
9440d84d | 850 | fprintf(stderr, _("%s: warning - iflush_int failed (%d)\n"), |
2bd0ea18 | 851 | progname, error); |
260c85e8 | 852 | return; |
2bd0ea18 NS |
853 | } |
854 | ||
855 | ip->i_transp = NULL; /* disassociate from transaction */ | |
37d086ca | 856 | bp->b_log_item = NULL; /* remove log item */ |
cfc06b60 | 857 | bp->b_transp = NULL; /* remove xact ptr */ |
f1b058f9 | 858 | libxfs_writebuf(bp, 0); |
2bd0ea18 | 859 | #ifdef XACT_DEBUG |
260c85e8 MT |
860 | fprintf(stderr, "flushing dirty inode %llu, buffer %p\n", |
861 | ip->i_ino, bp); | |
2bd0ea18 | 862 | #endif |
2bd0ea18 NS |
863 | } |
864 | ||
5e656dbb | 865 | static void |
ad10fb70 NS |
866 | buf_item_done( |
867 | xfs_buf_log_item_t *bip) | |
2bd0ea18 | 868 | { |
ad10fb70 NS |
869 | xfs_buf_t *bp; |
870 | int hold; | |
5e656dbb | 871 | extern kmem_zone_t *xfs_buf_item_zone; |
2bd0ea18 NS |
872 | |
873 | bp = bip->bli_buf; | |
874 | ASSERT(bp != NULL); | |
37d086ca | 875 | bp->b_log_item = NULL; /* remove log item */ |
cfc06b60 | 876 | bp->b_transp = NULL; /* remove xact ptr */ |
2bd0ea18 NS |
877 | |
878 | hold = (bip->bli_flags & XFS_BLI_HOLD); | |
2556c98b | 879 | if (bip->bli_flags & XFS_BLI_DIRTY) { |
2bd0ea18 | 880 | #ifdef XACT_DEBUG |
f1b058f9 | 881 | fprintf(stderr, "flushing/staling buffer %p (hold=%d)\n", |
2bd0ea18 NS |
882 | bp, hold); |
883 | #endif | |
2556c98b | 884 | libxfs_writebuf_int(bp, 0); |
2bd0ea18 | 885 | } |
2556c98b BN |
886 | if (hold) |
887 | bip->bli_flags &= ~XFS_BLI_HOLD; | |
888 | else | |
889 | libxfs_putbuf(bp); | |
2bd0ea18 NS |
890 | /* release the buf item */ |
891 | kmem_zone_free(xfs_buf_item_zone, bip); | |
892 | } | |
893 | ||
2bd0ea18 | 894 | static void |
c40bdaa2 DC |
895 | trans_committed( |
896 | xfs_trans_t *tp) | |
2bd0ea18 | 897 | { |
2fdd378a | 898 | struct xfs_log_item *lip, *next; |
c40bdaa2 | 899 | |
2fdd378a | 900 | list_for_each_entry_safe(lip, next, &tp->t_items, li_trans) { |
68f7f684 | 901 | xfs_trans_del_item(lip); |
a2ceac1f | 902 | |
2bd0ea18 | 903 | if (lip->li_type == XFS_LI_BUF) |
c40bdaa2 | 904 | buf_item_done((xfs_buf_log_item_t *)lip); |
2bd0ea18 | 905 | else if (lip->li_type == XFS_LI_INODE) |
c40bdaa2 | 906 | inode_item_done((xfs_inode_log_item_t *)lip); |
2bd0ea18 | 907 | else { |
9440d84d | 908 | fprintf(stderr, _("%s: unrecognised log item type\n"), |
2bd0ea18 NS |
909 | progname); |
910 | ASSERT(0); | |
911 | } | |
2fdd378a | 912 | } |
2bd0ea18 NS |
913 | } |
914 | ||
5e656dbb | 915 | static void |
1bab604b NS |
916 | buf_item_unlock( |
917 | xfs_buf_log_item_t *bip) | |
918 | { | |
919 | xfs_buf_t *bp = bip->bli_buf; | |
920 | uint hold; | |
921 | ||
922 | /* Clear the buffer's association with this transaction. */ | |
cfc06b60 | 923 | bip->bli_buf->b_transp = NULL; |
1bab604b NS |
924 | |
925 | hold = bip->bli_flags & XFS_BLI_HOLD; | |
c40bdaa2 | 926 | bip->bli_flags &= ~XFS_BLI_HOLD; |
1bab604b NS |
927 | if (!hold) |
928 | libxfs_putbuf(bp); | |
1bab604b NS |
929 | } |
930 | ||
5e656dbb | 931 | static void |
1bab604b NS |
932 | inode_item_unlock( |
933 | xfs_inode_log_item_t *iip) | |
934 | { | |
935 | xfs_inode_t *ip = iip->ili_inode; | |
1bab604b NS |
936 | |
937 | /* Clear the transaction pointer in the inode. */ | |
938 | ip->i_transp = NULL; | |
939 | ||
1bab604b NS |
940 | iip->ili_flags = 0; |
941 | } | |
942 | ||
2fdd378a | 943 | /* Detach and unlock all of the items in a transaction */ |
7bcb8403 | 944 | static void |
c40bdaa2 | 945 | xfs_trans_free_items( |
7bcb8403 | 946 | struct xfs_trans *tp) |
2bd0ea18 | 947 | { |
2fdd378a | 948 | struct xfs_log_item *lip, *next; |
c40bdaa2 | 949 | |
2fdd378a DC |
950 | list_for_each_entry_safe(lip, next, &tp->t_items, li_trans) { |
951 | xfs_trans_del_item(lip); | |
1bab604b | 952 | if (lip->li_type == XFS_LI_BUF) |
c40bdaa2 | 953 | buf_item_unlock((xfs_buf_log_item_t *)lip); |
1bab604b | 954 | else if (lip->li_type == XFS_LI_INODE) |
c40bdaa2 | 955 | inode_item_unlock((xfs_inode_log_item_t *)lip); |
2bd0ea18 | 956 | else { |
9440d84d | 957 | fprintf(stderr, _("%s: unrecognised log item type\n"), |
2bd0ea18 NS |
958 | progname); |
959 | ASSERT(0); | |
960 | } | |
2bd0ea18 | 961 | } |
2bd0ea18 NS |
962 | } |
963 | ||
2bd0ea18 NS |
964 | /* |
965 | * Commit the changes represented by this transaction | |
966 | */ | |
f94c53c0 DW |
967 | static int |
968 | __xfs_trans_commit( | |
969 | struct xfs_trans *tp, | |
970 | bool regrant) | |
2bd0ea18 | 971 | { |
f94c53c0 DW |
972 | struct xfs_sb *sbp; |
973 | int error = 0; | |
2bd0ea18 NS |
974 | |
975 | if (tp == NULL) | |
976 | return 0; | |
977 | ||
f94c53c0 DW |
978 | ASSERT(!tp->t_agfl_dfops || |
979 | !xfs_defer_has_unfinished_work(tp->t_agfl_dfops) || regrant); | |
980 | ||
2bd0ea18 NS |
981 | if (!(tp->t_flags & XFS_TRANS_DIRTY)) { |
982 | #ifdef XACT_DEBUG | |
983 | fprintf(stderr, "committed clean transaction %p\n", tp); | |
984 | #endif | |
f94c53c0 | 985 | goto out_unreserve; |
2bd0ea18 NS |
986 | } |
987 | ||
988 | if (tp->t_flags & XFS_TRANS_SB_DIRTY) { | |
989 | sbp = &(tp->t_mountp->m_sb); | |
990 | if (tp->t_icount_delta) | |
991 | sbp->sb_icount += tp->t_icount_delta; | |
992 | if (tp->t_ifree_delta) | |
993 | sbp->sb_ifree += tp->t_ifree_delta; | |
994 | if (tp->t_fdblocks_delta) | |
995 | sbp->sb_fdblocks += tp->t_fdblocks_delta; | |
996 | if (tp->t_frextents_delta) | |
997 | sbp->sb_frextents += tp->t_frextents_delta; | |
19ebedcf | 998 | xfs_log_sb(tp); |
2bd0ea18 NS |
999 | } |
1000 | ||
1001 | #ifdef XACT_DEBUG | |
1002 | fprintf(stderr, "committing dirty transaction %p\n", tp); | |
1003 | #endif | |
1004 | trans_committed(tp); | |
1005 | ||
1006 | /* That's it for the transaction structure. Free it. */ | |
67d72279 | 1007 | xfs_trans_free(tp); |
2bd0ea18 | 1008 | return 0; |
f94c53c0 DW |
1009 | |
1010 | out_unreserve: | |
1011 | xfs_trans_free_items(tp); | |
1012 | xfs_trans_free(tp); | |
1013 | return error; | |
1014 | } | |
1015 | ||
1016 | int | |
1017 | libxfs_trans_commit( | |
1018 | struct xfs_trans *tp) | |
1019 | { | |
1020 | return __xfs_trans_commit(tp, false); | |
2bd0ea18 | 1021 | } |