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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" | |
f5f4497f | 20 | #include "xfs_defer.h" |
2bd0ea18 | 21 | |
7bcb8403 | 22 | static void xfs_trans_free_items(struct xfs_trans *tp); |
f94c53c0 DW |
23 | STATIC struct xfs_trans *xfs_trans_dup(struct xfs_trans *tp); |
24 | static int xfs_trans_reserve(struct xfs_trans *tp, struct xfs_trans_res *resp, | |
25 | uint blocks, uint rtextents); | |
26 | static int __xfs_trans_commit(struct xfs_trans *tp, bool regrant); | |
7bcb8403 | 27 | |
2bd0ea18 NS |
28 | /* |
29 | * Simple transaction interface | |
30 | */ | |
31 | ||
67d72279 | 32 | kmem_zone_t *xfs_trans_zone; |
4329aa4c DC |
33 | |
34 | /* | |
35 | * Initialize the precomputed transaction reservation values | |
36 | * in the mount structure. | |
37 | */ | |
38 | void | |
39 | libxfs_trans_init( | |
40 | struct xfs_mount *mp) | |
41 | { | |
cf52c730 | 42 | xfs_trans_resv_calc(mp, &mp->m_resv); |
4329aa4c DC |
43 | } |
44 | ||
45 | /* | |
46 | * Add the given log item to the transaction's list of log items. | |
4329aa4c DC |
47 | */ |
48 | void | |
49 | libxfs_trans_add_item( | |
50 | struct xfs_trans *tp, | |
51 | struct xfs_log_item *lip) | |
52 | { | |
4329aa4c DC |
53 | ASSERT(lip->li_mountp == tp->t_mountp); |
54 | ASSERT(lip->li_ailp == tp->t_mountp->m_ail); | |
2fdd378a DC |
55 | ASSERT(list_empty(&lip->li_trans)); |
56 | ASSERT(!test_bit(XFS_LI_DIRTY, &lip->li_flags)); | |
4329aa4c | 57 | |
2fdd378a | 58 | list_add_tail(&lip->li_trans, &tp->t_items); |
a1c5615e ES |
59 | } |
60 | ||
4329aa4c DC |
61 | /* |
62 | * Unlink and free the given descriptor. | |
63 | */ | |
64 | void | |
65 | libxfs_trans_del_item( | |
66 | struct xfs_log_item *lip) | |
67 | { | |
2fdd378a DC |
68 | clear_bit(XFS_LI_DIRTY, &lip->li_flags); |
69 | list_del_init(&lip->li_trans); | |
4329aa4c DC |
70 | } |
71 | ||
72 | /* | |
73 | * Roll from one trans in the sequence of PERMANENT transactions to | |
74 | * the next: permanent transactions are only flushed out when | |
75 | * committed with XFS_TRANS_RELEASE_LOG_RES, but we still want as soon | |
76 | * as possible to let chunks of it go to the log. So we commit the | |
77 | * chunk we've been working on and get a new transaction to continue. | |
78 | */ | |
79 | int | |
80 | libxfs_trans_roll( | |
d67406c9 | 81 | struct xfs_trans **tpp) |
4329aa4c | 82 | { |
d67406c9 | 83 | struct xfs_trans *trans = *tpp; |
48ea6cb9 | 84 | struct xfs_trans_res tres; |
4329aa4c DC |
85 | int error; |
86 | ||
4329aa4c DC |
87 | /* |
88 | * Copy the critical parameters from one trans to the next. | |
89 | */ | |
48ea6cb9 DC |
90 | tres.tr_logres = trans->t_log_res; |
91 | tres.tr_logcount = trans->t_log_count; | |
f94c53c0 DW |
92 | |
93 | *tpp = xfs_trans_dup(trans); | |
4329aa4c DC |
94 | |
95 | /* | |
96 | * Commit the current transaction. | |
97 | * If this commit failed, then it'd just unlock those items that | |
260c85e8 | 98 | * are marked to be released. That also means that a filesystem shutdown |
4329aa4c DC |
99 | * is in progress. The caller takes the responsibility to cancel |
100 | * the duplicate transaction that gets returned. | |
101 | */ | |
f94c53c0 | 102 | error = __xfs_trans_commit(trans, true); |
4329aa4c | 103 | if (error) |
af43ca9f | 104 | return error; |
4329aa4c | 105 | |
4329aa4c | 106 | /* |
d67406c9 | 107 | * Reserve space in the log for the next transaction. |
4329aa4c DC |
108 | * This also pushes items in the "AIL", the list of logged items, |
109 | * out to disk if they are taking up space at the tail of the log | |
110 | * that we want to use. This requires that either nothing be locked | |
111 | * across this call, or that anything that is locked be logged in | |
112 | * the prior and the next transactions. | |
113 | */ | |
48ea6cb9 | 114 | tres.tr_logflags = XFS_TRANS_PERM_LOG_RES; |
f94c53c0 | 115 | return xfs_trans_reserve(*tpp, &tres, 0, 0); |
4329aa4c DC |
116 | } |
117 | ||
67d72279 ES |
118 | /* |
119 | * Free the transaction structure. If there is more clean up | |
120 | * to do when the structure is freed, add it here. | |
121 | */ | |
122 | static void | |
123 | xfs_trans_free( | |
124 | struct xfs_trans *tp) | |
125 | { | |
126 | kmem_zone_free(xfs_trans_zone, tp); | |
127 | } | |
128 | ||
f94c53c0 DW |
129 | /* |
130 | * This is called to create a new transaction which will share the | |
131 | * permanent log reservation of the given transaction. The remaining | |
132 | * unused block and rt extent reservations are also inherited. This | |
133 | * implies that the original transaction is no longer allowed to allocate | |
134 | * blocks. Locks and log items, however, are no inherited. They must | |
135 | * be added to the new transaction explicitly. | |
136 | */ | |
137 | STATIC struct xfs_trans * | |
138 | xfs_trans_dup( | |
139 | struct xfs_trans *tp) | |
140 | { | |
141 | struct xfs_trans *ntp; | |
142 | ||
143 | ntp = kmem_zone_zalloc(xfs_trans_zone, KM_SLEEP); | |
144 | ||
145 | /* | |
146 | * Initialize the new transaction structure. | |
147 | */ | |
148 | ntp->t_mountp = tp->t_mountp; | |
149 | INIT_LIST_HEAD(&ntp->t_items); | |
92a8736e | 150 | INIT_LIST_HEAD(&ntp->t_dfops); |
255682d9 | 151 | ntp->t_firstblock = NULLFSBLOCK; |
f94c53c0 DW |
152 | |
153 | ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES); | |
154 | ||
155 | ntp->t_flags = XFS_TRANS_PERM_LOG_RES | | |
156 | (tp->t_flags & XFS_TRANS_RESERVE) | | |
157 | (tp->t_flags & XFS_TRANS_NO_WRITECOUNT); | |
158 | /* We gave our writer reference to the new transaction */ | |
159 | tp->t_flags |= XFS_TRANS_NO_WRITECOUNT; | |
9074815c | 160 | |
41ab9202 DW |
161 | ntp->t_blk_res = tp->t_blk_res - tp->t_blk_res_used; |
162 | tp->t_blk_res = tp->t_blk_res_used; | |
163 | ||
92a8736e BF |
164 | /* move deferred ops over to the new tp */ |
165 | xfs_defer_move(ntp, tp); | |
f94c53c0 DW |
166 | |
167 | return ntp; | |
168 | } | |
169 | ||
170 | /* | |
171 | * This is called to reserve free disk blocks and log space for the | |
172 | * given transaction. This must be done before allocating any resources | |
173 | * within the transaction. | |
174 | * | |
175 | * This will return ENOSPC if there are not enough blocks available. | |
176 | * It will sleep waiting for available log space. | |
177 | * The only valid value for the flags parameter is XFS_RES_LOG_PERM, which | |
178 | * is used by long running transactions. If any one of the reservations | |
179 | * fails then they will all be backed out. | |
180 | * | |
181 | * This does not do quota reservations. That typically is done by the | |
182 | * caller afterwards. | |
183 | */ | |
184 | static int | |
185 | xfs_trans_reserve( | |
186 | struct xfs_trans *tp, | |
187 | struct xfs_trans_res *resp, | |
188 | uint blocks, | |
189 | uint rtextents) | |
2bd0ea18 | 190 | { |
f94c53c0 | 191 | int error = 0; |
9074815c CH |
192 | |
193 | /* | |
194 | * Attempt to reserve the needed disk blocks by decrementing | |
f94c53c0 | 195 | * the number needed from the number available. This will |
9074815c CH |
196 | * fail if the count would go below zero. |
197 | */ | |
198 | if (blocks > 0) { | |
f94c53c0 | 199 | if (tp->t_mountp->m_sb.sb_fdblocks < blocks) |
9074815c | 200 | return -ENOSPC; |
f94c53c0 | 201 | tp->t_blk_res += blocks; |
9074815c | 202 | } |
2bd0ea18 | 203 | |
f94c53c0 DW |
204 | /* |
205 | * Reserve the log space needed for this transaction. | |
206 | */ | |
207 | if (resp->tr_logres > 0) { | |
208 | ASSERT(tp->t_log_res == 0 || | |
209 | tp->t_log_res == resp->tr_logres); | |
210 | ASSERT(tp->t_log_count == 0 || | |
211 | tp->t_log_count == resp->tr_logcount); | |
212 | ||
213 | if (resp->tr_logflags & XFS_TRANS_PERM_LOG_RES) | |
214 | tp->t_flags |= XFS_TRANS_PERM_LOG_RES; | |
215 | else | |
216 | ASSERT(!(tp->t_flags & XFS_TRANS_PERM_LOG_RES)); | |
217 | ||
218 | tp->t_log_res = resp->tr_logres; | |
219 | tp->t_log_count = resp->tr_logcount; | |
220 | } | |
221 | ||
222 | /* | |
223 | * Attempt to reserve the needed realtime extents by decrementing | |
224 | * the number needed from the number available. This will | |
225 | * fail if the count would go below zero. | |
226 | */ | |
227 | if (rtextents > 0) { | |
228 | if (tp->t_mountp->m_sb.sb_rextents < rtextents) { | |
229 | error = -ENOSPC; | |
230 | goto undo_blocks; | |
231 | } | |
232 | } | |
233 | ||
234 | return 0; | |
235 | ||
236 | /* | |
237 | * Error cases jump to one of these labels to undo any | |
238 | * reservations which have already been performed. | |
239 | */ | |
240 | undo_blocks: | |
241 | if (blocks > 0) | |
242 | tp->t_blk_res = 0; | |
243 | ||
244 | return error; | |
245 | } | |
246 | ||
247 | int | |
248 | libxfs_trans_alloc( | |
249 | struct xfs_mount *mp, | |
250 | struct xfs_trans_res *resp, | |
251 | unsigned int blocks, | |
252 | unsigned int rtextents, | |
253 | unsigned int flags, | |
254 | struct xfs_trans **tpp) | |
255 | ||
256 | { | |
257 | struct xfs_trans *tp; | |
258 | int error; | |
259 | ||
260 | tp = kmem_zone_zalloc(xfs_trans_zone, | |
67d72279 | 261 | (flags & XFS_TRANS_NOFS) ? KM_NOFS : KM_SLEEP); |
f94c53c0 DW |
262 | tp->t_mountp = mp; |
263 | INIT_LIST_HEAD(&tp->t_items); | |
92a8736e | 264 | INIT_LIST_HEAD(&tp->t_dfops); |
255682d9 | 265 | tp->t_firstblock = NULLFSBLOCK; |
f94c53c0 DW |
266 | |
267 | error = xfs_trans_reserve(tp, resp, blocks, rtextents); | |
268 | if (error) { | |
269 | xfs_trans_cancel(tp); | |
270 | return error; | |
271 | } | |
2bd0ea18 | 272 | #ifdef XACT_DEBUG |
f94c53c0 | 273 | fprintf(stderr, "allocated new transaction %p\n", tp); |
2bd0ea18 | 274 | #endif |
f94c53c0 | 275 | *tpp = tp; |
2bd0ea18 NS |
276 | return 0; |
277 | } | |
278 | ||
d4e8eb2e DW |
279 | /* |
280 | * Create an empty transaction with no reservation. This is a defensive | |
281 | * mechanism for routines that query metadata without actually modifying | |
282 | * them -- if the metadata being queried is somehow cross-linked (think a | |
283 | * btree block pointer that points higher in the tree), we risk deadlock. | |
284 | * However, blocks grabbed as part of a transaction can be re-grabbed. | |
285 | * The verifiers will notice the corrupt block and the operation will fail | |
286 | * back to userspace without deadlocking. | |
287 | * | |
288 | * Note the zero-length reservation; this transaction MUST be cancelled | |
289 | * without any dirty data. | |
290 | */ | |
291 | int | |
3680a764 | 292 | libxfs_trans_alloc_empty( |
d4e8eb2e DW |
293 | struct xfs_mount *mp, |
294 | struct xfs_trans **tpp) | |
295 | { | |
296 | struct xfs_trans_res resv = {0}; | |
297 | ||
298 | return xfs_trans_alloc(mp, &resv, 0, 0, XFS_TRANS_NO_WRITECOUNT, tpp); | |
299 | } | |
300 | ||
225e4bb2 DW |
301 | /* |
302 | * Allocate a transaction that can be rolled. Since userspace doesn't have | |
303 | * a need for log reservations, we really only tr_itruncate to get the | |
304 | * permanent log reservation flag to avoid blowing asserts. | |
305 | */ | |
306 | int | |
307 | libxfs_trans_alloc_rollable( | |
308 | struct xfs_mount *mp, | |
309 | unsigned int blocks, | |
310 | struct xfs_trans **tpp) | |
311 | { | |
312 | return libxfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, blocks, | |
313 | 0, 0, tpp); | |
314 | } | |
315 | ||
2bd0ea18 | 316 | void |
ad10fb70 | 317 | libxfs_trans_cancel( |
f94c53c0 | 318 | struct xfs_trans *tp) |
2bd0ea18 NS |
319 | { |
320 | #ifdef XACT_DEBUG | |
f94c53c0 | 321 | struct xfs_trans *otp = tp; |
2bd0ea18 | 322 | #endif |
f94c53c0 DW |
323 | if (tp == NULL) |
324 | goto out; | |
325 | ||
3645e8ed | 326 | if (tp->t_flags & XFS_TRANS_PERM_LOG_RES) |
ac0a2228 | 327 | xfs_defer_cancel(tp); |
f5f4497f | 328 | |
f94c53c0 DW |
329 | xfs_trans_free_items(tp); |
330 | xfs_trans_free(tp); | |
331 | ||
332 | out: | |
2bd0ea18 NS |
333 | #ifdef XACT_DEBUG |
334 | fprintf(stderr, "## cancelled transaction %p\n", otp); | |
335 | #endif | |
f94c53c0 | 336 | return; |
2bd0ea18 NS |
337 | } |
338 | ||
2bd0ea18 | 339 | void |
ad10fb70 NS |
340 | libxfs_trans_ijoin( |
341 | xfs_trans_t *tp, | |
342 | xfs_inode_t *ip, | |
343 | uint lock_flags) | |
2bd0ea18 NS |
344 | { |
345 | xfs_inode_log_item_t *iip; | |
346 | ||
347 | ASSERT(ip->i_transp == NULL); | |
348 | if (ip->i_itemp == NULL) | |
349 | xfs_inode_item_init(ip, ip->i_mount); | |
350 | iip = ip->i_itemp; | |
351 | ASSERT(iip->ili_flags == 0); | |
352 | ASSERT(iip->ili_inode != NULL); | |
353 | ||
c0860494 BF |
354 | ASSERT(iip->ili_lock_flags == 0); |
355 | iip->ili_lock_flags = lock_flags; | |
356 | ||
2bd0ea18 NS |
357 | xfs_trans_add_item(tp, (xfs_log_item_t *)(iip)); |
358 | ||
359 | ip->i_transp = tp; | |
360 | #ifdef XACT_DEBUG | |
361 | fprintf(stderr, "ijoin'd inode %llu, transaction %p\n", ip->i_ino, tp); | |
362 | #endif | |
363 | } | |
364 | ||
c40bdaa2 DC |
365 | void |
366 | libxfs_trans_ijoin_ref( | |
367 | xfs_trans_t *tp, | |
368 | xfs_inode_t *ip, | |
369 | int lock_flags) | |
370 | { | |
371 | ASSERT(ip->i_transp == tp); | |
372 | ASSERT(ip->i_itemp != NULL); | |
373 | ||
374 | xfs_trans_ijoin(tp, ip, lock_flags); | |
c40bdaa2 DC |
375 | |
376 | #ifdef XACT_DEBUG | |
377 | fprintf(stderr, "ijoin_ref'd inode %llu, transaction %p\n", ip->i_ino, tp); | |
378 | #endif | |
379 | } | |
380 | ||
2bd0ea18 | 381 | void |
ad10fb70 NS |
382 | libxfs_trans_inode_alloc_buf( |
383 | xfs_trans_t *tp, | |
384 | xfs_buf_t *bp) | |
2bd0ea18 | 385 | { |
37d086ca | 386 | xfs_buf_log_item_t *bip = bp->b_log_item; |
2bd0ea18 | 387 | |
cfc06b60 | 388 | ASSERT(bp->bp_transp == tp); |
38d096b6 | 389 | ASSERT(bip != NULL); |
2bd0ea18 | 390 | bip->bli_flags |= XFS_BLI_INODE_ALLOC_BUF; |
bdc16ee5 | 391 | xfs_trans_buf_set_type(tp, bp, XFS_BLFT_DINO_BUF); |
2bd0ea18 NS |
392 | } |
393 | ||
394 | /* | |
395 | * This is called to mark the fields indicated in fieldmask as needing | |
396 | * to be logged when the transaction is committed. The inode must | |
397 | * already be associated with the given transaction. | |
398 | * | |
2d4bfb91 | 399 | * The values for fieldmask are defined in xfs_log_format.h. We always |
2bd0ea18 NS |
400 | * log all of the core inode if any of it has changed, and we always log |
401 | * all of the inline data/extents/b-tree root if any of them has changed. | |
402 | */ | |
403 | void | |
404 | xfs_trans_log_inode( | |
ad10fb70 NS |
405 | xfs_trans_t *tp, |
406 | xfs_inode_t *ip, | |
407 | uint flags) | |
2bd0ea18 | 408 | { |
2bd0ea18 NS |
409 | ASSERT(ip->i_transp == tp); |
410 | ASSERT(ip->i_itemp != NULL); | |
411 | #ifdef XACT_DEBUG | |
412 | fprintf(stderr, "dirtied inode %llu, transaction %p\n", ip->i_ino, tp); | |
413 | #endif | |
414 | ||
2bd0ea18 | 415 | tp->t_flags |= XFS_TRANS_DIRTY; |
2fdd378a | 416 | set_bit(XFS_LI_DIRTY, &ip->i_itemp->ili_item.li_flags); |
2bd0ea18 NS |
417 | |
418 | /* | |
419 | * Always OR in the bits from the ili_last_fields field. | |
420 | * This is to coordinate with the xfs_iflush() and xfs_iflush_done() | |
421 | * routines in the eventual clearing of the ilf_fields bits. | |
422 | * See the big comment in xfs_iflush() for an explanation of | |
423 | * this coordination mechanism. | |
424 | */ | |
425 | flags |= ip->i_itemp->ili_last_fields; | |
a2ceac1f | 426 | ip->i_itemp->ili_fields |= flags; |
2bd0ea18 NS |
427 | } |
428 | ||
d67406c9 CH |
429 | int |
430 | libxfs_trans_roll_inode( | |
431 | struct xfs_trans **tpp, | |
432 | struct xfs_inode *ip) | |
433 | { | |
434 | int error; | |
435 | ||
436 | xfs_trans_log_inode(*tpp, ip, XFS_ILOG_CORE); | |
437 | error = xfs_trans_roll(tpp); | |
438 | if (!error) | |
439 | xfs_trans_ijoin(*tpp, ip, 0); | |
440 | return error; | |
441 | } | |
442 | ||
443 | ||
59630067 BF |
444 | /* |
445 | * Mark a buffer dirty in the transaction. | |
446 | */ | |
447 | void | |
448 | libxfs_trans_dirty_buf( | |
449 | struct xfs_trans *tp, | |
450 | struct xfs_buf *bp) | |
451 | { | |
37d086ca | 452 | struct xfs_buf_log_item *bip = bp->b_log_item; |
59630067 | 453 | |
cfc06b60 | 454 | ASSERT(bp->bp_transp == tp); |
38d096b6 | 455 | ASSERT(bip != NULL); |
59630067 | 456 | |
59630067 BF |
457 | #ifdef XACT_DEBUG |
458 | fprintf(stderr, "dirtied buffer %p, transaction %p\n", bp, tp); | |
459 | #endif | |
460 | tp->t_flags |= XFS_TRANS_DIRTY; | |
2fdd378a | 461 | set_bit(XFS_LI_DIRTY, &bip->bli_item.li_flags); |
59630067 BF |
462 | } |
463 | ||
2bd0ea18 NS |
464 | /* |
465 | * This is called to mark bytes first through last inclusive of the given | |
466 | * buffer as needing to be logged when the transaction is committed. | |
467 | * The buffer must already be associated with the given transaction. | |
5000d01d | 468 | * |
2bd0ea18 NS |
469 | * First and last are numbers relative to the beginning of this buffer, |
470 | * so the first byte in the buffer is numbered 0 regardless of the | |
471 | * value of b_blkno. | |
472 | */ | |
473 | void | |
ad10fb70 | 474 | libxfs_trans_log_buf( |
59630067 BF |
475 | struct xfs_trans *tp, |
476 | struct xfs_buf *bp, | |
ad10fb70 NS |
477 | uint first, |
478 | uint last) | |
2bd0ea18 | 479 | { |
37d086ca | 480 | struct xfs_buf_log_item *bip = bp->b_log_item; |
2bd0ea18 | 481 | |
135e4bfe | 482 | ASSERT((first <= last) && (last < bp->b_bcount)); |
2bd0ea18 | 483 | |
59630067 | 484 | xfs_trans_dirty_buf(tp, bp); |
2bd0ea18 NS |
485 | xfs_buf_item_log(bip, first, last); |
486 | } | |
487 | ||
38fa71a7 BF |
488 | /* |
489 | * For userspace, ordered buffers just need to be marked dirty so | |
490 | * the transaction commit will write them and mark them up-to-date. | |
491 | * In essence, they are just like any other logged buffer in userspace. | |
492 | * | |
493 | * If the buffer is already dirty, trigger the "already logged" return condition. | |
494 | */ | |
495 | bool | |
496 | libxfs_trans_ordered_buf( | |
497 | struct xfs_trans *tp, | |
498 | struct xfs_buf *bp) | |
499 | { | |
37d086ca | 500 | struct xfs_buf_log_item *bip = bp->b_log_item; |
38fa71a7 BF |
501 | bool ret; |
502 | ||
2fdd378a | 503 | ret = test_bit(XFS_LI_DIRTY, &bip->bli_item.li_flags); |
38fa71a7 BF |
504 | libxfs_trans_log_buf(tp, bp, 0, bp->b_bcount); |
505 | return ret; | |
506 | } | |
507 | ||
8cc858fb DW |
508 | static void |
509 | xfs_buf_item_put( | |
510 | struct xfs_buf_log_item *bip) | |
511 | { | |
512 | struct xfs_buf *bp = bip->bli_buf; | |
513 | ||
514 | bp->b_log_item = NULL; | |
515 | kmem_zone_free(xfs_buf_item_zone, bip); | |
516 | } | |
517 | ||
2bd0ea18 | 518 | void |
ad10fb70 NS |
519 | libxfs_trans_brelse( |
520 | xfs_trans_t *tp, | |
521 | xfs_buf_t *bp) | |
2bd0ea18 NS |
522 | { |
523 | xfs_buf_log_item_t *bip; | |
2bd0ea18 NS |
524 | #ifdef XACT_DEBUG |
525 | fprintf(stderr, "released buffer %p, transaction %p\n", bp, tp); | |
526 | #endif | |
527 | ||
528 | if (tp == NULL) { | |
cfc06b60 | 529 | ASSERT(bp->bp_transp == NULL); |
2bd0ea18 NS |
530 | libxfs_putbuf(bp); |
531 | return; | |
532 | } | |
cfc06b60 | 533 | ASSERT(bp->bp_transp == tp); |
37d086ca | 534 | bip = bp->b_log_item; |
2bd0ea18 | 535 | ASSERT(bip->bli_item.li_type == XFS_LI_BUF); |
2bd0ea18 NS |
536 | if (bip->bli_recur > 0) { |
537 | bip->bli_recur--; | |
538 | return; | |
539 | } | |
f1b058f9 NS |
540 | /* If dirty/stale, can't release till transaction committed */ |
541 | if (bip->bli_flags & XFS_BLI_STALE) | |
542 | return; | |
2fdd378a | 543 | if (test_bit(XFS_LI_DIRTY, &bip->bli_item.li_flags)) |
2bd0ea18 | 544 | return; |
c40bdaa2 | 545 | xfs_trans_del_item(&bip->bli_item); |
f1b058f9 | 546 | if (bip->bli_flags & XFS_BLI_HOLD) |
2bd0ea18 | 547 | bip->bli_flags &= ~XFS_BLI_HOLD; |
7736b0ac | 548 | xfs_buf_item_put(bip); |
cfc06b60 | 549 | bp->b_transp = NULL; |
2bd0ea18 NS |
550 | libxfs_putbuf(bp); |
551 | } | |
552 | ||
553 | void | |
ad10fb70 NS |
554 | libxfs_trans_binval( |
555 | xfs_trans_t *tp, | |
556 | xfs_buf_t *bp) | |
2bd0ea18 | 557 | { |
37d086ca | 558 | xfs_buf_log_item_t *bip = bp->b_log_item; |
2bd0ea18 NS |
559 | #ifdef XACT_DEBUG |
560 | fprintf(stderr, "binval'd buffer %p, transaction %p\n", bp, tp); | |
561 | #endif | |
562 | ||
cfc06b60 | 563 | ASSERT(bp->bp_transp == tp); |
38d096b6 | 564 | ASSERT(bip != NULL); |
2bd0ea18 | 565 | |
f1b058f9 NS |
566 | if (bip->bli_flags & XFS_BLI_STALE) |
567 | return; | |
568 | XFS_BUF_UNDELAYWRITE(bp); | |
a2ceac1f | 569 | xfs_buf_stale(bp); |
f1b058f9 NS |
570 | bip->bli_flags |= XFS_BLI_STALE; |
571 | bip->bli_flags &= ~XFS_BLI_DIRTY; | |
c40bdaa2 DC |
572 | bip->bli_format.blf_flags &= ~XFS_BLF_INODE_BUF; |
573 | bip->bli_format.blf_flags |= XFS_BLF_CANCEL; | |
2fdd378a | 574 | set_bit(XFS_LI_DIRTY, &bip->bli_item.li_flags); |
2bd0ea18 NS |
575 | tp->t_flags |= XFS_TRANS_DIRTY; |
576 | } | |
577 | ||
578 | void | |
ad10fb70 NS |
579 | libxfs_trans_bjoin( |
580 | xfs_trans_t *tp, | |
581 | xfs_buf_t *bp) | |
2bd0ea18 NS |
582 | { |
583 | xfs_buf_log_item_t *bip; | |
584 | ||
cfc06b60 | 585 | ASSERT(bp->bp_transp == NULL); |
2bd0ea18 NS |
586 | #ifdef XACT_DEBUG |
587 | fprintf(stderr, "bjoin'd buffer %p, transaction %p\n", bp, tp); | |
588 | #endif | |
589 | ||
590 | xfs_buf_item_init(bp, tp->t_mountp); | |
37d086ca | 591 | bip = bp->b_log_item; |
2bd0ea18 | 592 | xfs_trans_add_item(tp, (xfs_log_item_t *)bip); |
cfc06b60 | 593 | bp->b_transp = tp; |
2bd0ea18 NS |
594 | } |
595 | ||
596 | void | |
ad10fb70 NS |
597 | libxfs_trans_bhold( |
598 | xfs_trans_t *tp, | |
599 | xfs_buf_t *bp) | |
2bd0ea18 | 600 | { |
37d086ca | 601 | xfs_buf_log_item_t *bip = bp->b_log_item; |
2bd0ea18 | 602 | |
cfc06b60 | 603 | ASSERT(bp->bp_transp == tp); |
37d086ca | 604 | ASSERT(bip != NULL); |
2bd0ea18 NS |
605 | #ifdef XACT_DEBUG |
606 | fprintf(stderr, "bhold'd buffer %p, transaction %p\n", bp, tp); | |
607 | #endif | |
608 | ||
2bd0ea18 NS |
609 | bip->bli_flags |= XFS_BLI_HOLD; |
610 | } | |
611 | ||
612 | xfs_buf_t * | |
a2ceac1f | 613 | libxfs_trans_get_buf_map( |
ad10fb70 | 614 | xfs_trans_t *tp, |
75c8b434 | 615 | struct xfs_buftarg *btp, |
a2ceac1f DC |
616 | struct xfs_buf_map *map, |
617 | int nmaps, | |
ad10fb70 | 618 | uint f) |
2bd0ea18 NS |
619 | { |
620 | xfs_buf_t *bp; | |
621 | xfs_buf_log_item_t *bip; | |
2bd0ea18 NS |
622 | |
623 | if (tp == NULL) | |
7e3ab890 | 624 | return libxfs_getbuf_map(btp, map, nmaps, 0); |
2bd0ea18 | 625 | |
75c8b434 | 626 | bp = xfs_trans_buf_item_match(tp, btp, map, nmaps); |
2bd0ea18 | 627 | if (bp != NULL) { |
cfc06b60 | 628 | ASSERT(bp->bp_transp == tp); |
37d086ca | 629 | bip = bp->b_log_item; |
2bd0ea18 NS |
630 | ASSERT(bip != NULL); |
631 | bip->bli_recur++; | |
632 | return bp; | |
633 | } | |
634 | ||
7e3ab890 | 635 | bp = libxfs_getbuf_map(btp, map, nmaps, 0); |
2bd0ea18 NS |
636 | if (bp == NULL) |
637 | return NULL; | |
638 | #ifdef XACT_DEBUG | |
639 | fprintf(stderr, "trans_get_buf buffer %p, transaction %p\n", bp, tp); | |
640 | #endif | |
641 | ||
513f189b | 642 | libxfs_trans_bjoin(tp, bp); |
37d086ca | 643 | bip = bp->b_log_item; |
2bd0ea18 | 644 | bip->bli_recur = 0; |
2bd0ea18 NS |
645 | return bp; |
646 | } | |
647 | ||
f1b058f9 NS |
648 | xfs_buf_t * |
649 | libxfs_trans_getsb( | |
650 | xfs_trans_t *tp, | |
651 | xfs_mount_t *mp, | |
652 | int flags) | |
653 | { | |
654 | xfs_buf_t *bp; | |
655 | xfs_buf_log_item_t *bip; | |
a2ceac1f DC |
656 | int len = XFS_FSS_TO_BB(mp, 1); |
657 | DEFINE_SINGLE_BUF_MAP(map, XFS_SB_DADDR, len); | |
f1b058f9 NS |
658 | |
659 | if (tp == NULL) | |
660 | return libxfs_getsb(mp, flags); | |
661 | ||
a2ceac1f | 662 | bp = xfs_trans_buf_item_match(tp, mp->m_dev, &map, 1); |
f1b058f9 | 663 | if (bp != NULL) { |
cfc06b60 | 664 | ASSERT(bp->bp_transp == tp); |
37d086ca | 665 | bip = bp->b_log_item; |
f1b058f9 NS |
666 | ASSERT(bip != NULL); |
667 | bip->bli_recur++; | |
668 | return bp; | |
669 | } | |
670 | ||
671 | bp = libxfs_getsb(mp, flags); | |
672 | #ifdef XACT_DEBUG | |
673 | fprintf(stderr, "trans_get_sb buffer %p, transaction %p\n", bp, tp); | |
674 | #endif | |
675 | ||
513f189b | 676 | libxfs_trans_bjoin(tp, bp); |
37d086ca | 677 | bip = bp->b_log_item; |
f1b058f9 | 678 | bip->bli_recur = 0; |
f1b058f9 NS |
679 | return bp; |
680 | } | |
681 | ||
2bd0ea18 | 682 | int |
a2ceac1f | 683 | libxfs_trans_read_buf_map( |
ad10fb70 NS |
684 | xfs_mount_t *mp, |
685 | xfs_trans_t *tp, | |
75c8b434 | 686 | struct xfs_buftarg *btp, |
a2ceac1f DC |
687 | struct xfs_buf_map *map, |
688 | int nmaps, | |
f1b058f9 | 689 | uint flags, |
a2ceac1f DC |
690 | xfs_buf_t **bpp, |
691 | const struct xfs_buf_ops *ops) | |
2bd0ea18 NS |
692 | { |
693 | xfs_buf_t *bp; | |
694 | xfs_buf_log_item_t *bip; | |
a6a7776a | 695 | int error; |
2bd0ea18 | 696 | |
00aea09f CH |
697 | *bpp = NULL; |
698 | ||
2bd0ea18 | 699 | if (tp == NULL) { |
75c8b434 | 700 | bp = libxfs_readbuf_map(btp, map, nmaps, flags, ops); |
00aea09f | 701 | if (!bp) { |
12b53197 | 702 | return (flags & XBF_TRYLOCK) ? -EAGAIN : -ENOMEM; |
00aea09f | 703 | } |
a6a7776a CH |
704 | if (bp->b_error) |
705 | goto out_relse; | |
00aea09f | 706 | goto done; |
2bd0ea18 NS |
707 | } |
708 | ||
75c8b434 | 709 | bp = xfs_trans_buf_item_match(tp, btp, map, nmaps); |
2bd0ea18 | 710 | if (bp != NULL) { |
cfc06b60 | 711 | ASSERT(bp->bp_transp == tp); |
37d086ca CM |
712 | ASSERT(bp->b_log_item != NULL); |
713 | bip = bp->b_log_item; | |
2bd0ea18 | 714 | bip->bli_recur++; |
00aea09f | 715 | goto done; |
2bd0ea18 NS |
716 | } |
717 | ||
75c8b434 | 718 | bp = libxfs_readbuf_map(btp, map, nmaps, flags, ops); |
00aea09f | 719 | if (!bp) { |
12b53197 | 720 | return (flags & XBF_TRYLOCK) ? -EAGAIN : -ENOMEM; |
00aea09f | 721 | } |
a6a7776a CH |
722 | if (bp->b_error) |
723 | goto out_relse; | |
00aea09f | 724 | |
2bd0ea18 NS |
725 | #ifdef XACT_DEBUG |
726 | fprintf(stderr, "trans_read_buf buffer %p, transaction %p\n", bp, tp); | |
727 | #endif | |
728 | ||
513f189b | 729 | xfs_trans_bjoin(tp, bp); |
37d086ca | 730 | bip = bp->b_log_item; |
2bd0ea18 | 731 | bip->bli_recur = 0; |
00aea09f | 732 | done: |
2bd0ea18 NS |
733 | *bpp = bp; |
734 | return 0; | |
a6a7776a CH |
735 | out_relse: |
736 | error = bp->b_error; | |
737 | xfs_buf_relse(bp); | |
738 | return error; | |
2bd0ea18 NS |
739 | } |
740 | ||
741 | /* | |
742 | * Record the indicated change to the given field for application | |
743 | * to the file system's superblock when the transaction commits. | |
744 | * For now, just store the change in the transaction structure. | |
745 | * Mark the transaction structure to indicate that the superblock | |
5000d01d | 746 | * needs to be updated before committing. |
2bd0ea18 NS |
747 | * |
748 | * Originally derived from xfs_trans_mod_sb(). | |
749 | */ | |
750 | void | |
ad10fb70 NS |
751 | libxfs_trans_mod_sb( |
752 | xfs_trans_t *tp, | |
753 | uint field, | |
754 | long delta) | |
2bd0ea18 NS |
755 | { |
756 | switch (field) { | |
757 | case XFS_TRANS_SB_RES_FDBLOCKS: | |
758 | return; | |
759 | case XFS_TRANS_SB_FDBLOCKS: | |
41ab9202 DW |
760 | if (delta < 0) { |
761 | tp->t_blk_res_used += (uint)-delta; | |
762 | if (tp->t_blk_res_used > tp->t_blk_res) { | |
763 | fprintf(stderr, | |
764 | _("Transaction block reservation exceeded! %u > %u\n"), | |
765 | tp->t_blk_res_used, tp->t_blk_res); | |
766 | ASSERT(0); | |
767 | } | |
768 | } | |
2bd0ea18 NS |
769 | tp->t_fdblocks_delta += delta; |
770 | break; | |
771 | case XFS_TRANS_SB_ICOUNT: | |
772 | ASSERT(delta > 0); | |
773 | tp->t_icount_delta += delta; | |
774 | break; | |
775 | case XFS_TRANS_SB_IFREE: | |
776 | tp->t_ifree_delta += delta; | |
777 | break; | |
778 | case XFS_TRANS_SB_FREXTENTS: | |
779 | tp->t_frextents_delta += delta; | |
780 | break; | |
781 | default: | |
782 | ASSERT(0); | |
783 | return; | |
784 | } | |
785 | tp->t_flags |= (XFS_TRANS_SB_DIRTY | XFS_TRANS_DIRTY); | |
786 | } | |
787 | ||
b1a24a81 DW |
788 | static void |
789 | xfs_inode_item_put( | |
790 | struct xfs_inode_log_item *iip) | |
791 | { | |
792 | struct xfs_inode *ip = iip->ili_inode; | |
793 | ||
794 | ip->i_itemp = NULL; | |
795 | kmem_zone_free(xfs_ili_zone, iip); | |
796 | } | |
797 | ||
2bd0ea18 NS |
798 | |
799 | /* | |
800 | * Transaction commital code follows (i.e. write to disk in libxfs) | |
6570dc5d DC |
801 | * |
802 | * XXX (dgc): should failure to flush the inode (e.g. due to uncorrected | |
803 | * corruption) result in transaction commit failure w/ EFSCORRUPTED? | |
2bd0ea18 | 804 | */ |
5e656dbb | 805 | static void |
ad10fb70 NS |
806 | inode_item_done( |
807 | xfs_inode_log_item_t *iip) | |
2bd0ea18 | 808 | { |
ad10fb70 NS |
809 | xfs_dinode_t *dip; |
810 | xfs_inode_t *ip; | |
811 | xfs_mount_t *mp; | |
812 | xfs_buf_t *bp; | |
ad10fb70 | 813 | int error; |
2bd0ea18 NS |
814 | |
815 | ip = iip->ili_inode; | |
816 | mp = iip->ili_item.li_mountp; | |
2bd0ea18 NS |
817 | ASSERT(ip != NULL); |
818 | ||
a2ceac1f | 819 | if (!(iip->ili_fields & XFS_ILOG_ALL)) { |
2bd0ea18 NS |
820 | ip->i_transp = NULL; /* disassociate from transaction */ |
821 | iip->ili_flags = 0; /* reset all flags */ | |
b1a24a81 | 822 | goto free; |
2bd0ea18 NS |
823 | } |
824 | ||
825 | /* | |
826 | * Get the buffer containing the on-disk inode. | |
827 | */ | |
a2ceac1f | 828 | error = xfs_imap_to_bp(mp, NULL, &ip->i_imap, &dip, &bp, 0, 0); |
2bd0ea18 | 829 | if (error) { |
a2ceac1f | 830 | fprintf(stderr, _("%s: warning - imap_to_bp failed (%d)\n"), |
2bd0ea18 | 831 | progname, error); |
b1a24a81 | 832 | goto free; |
2bd0ea18 NS |
833 | } |
834 | ||
6570dc5d DC |
835 | /* |
836 | * Flush the inode and disassociate it from the transaction regardless | |
837 | * of whether the flush succeed or not. If we fail the flush, make sure | |
838 | * we still release the buffer reference we currently hold. | |
839 | */ | |
2bd0ea18 | 840 | error = libxfs_iflush_int(ip, bp); |
6570dc5d | 841 | ip->i_transp = NULL; /* disassociate from transaction */ |
6570dc5d DC |
842 | bp->b_transp = NULL; /* remove xact ptr */ |
843 | ||
2bd0ea18 | 844 | if (error) { |
9440d84d | 845 | fprintf(stderr, _("%s: warning - iflush_int failed (%d)\n"), |
2bd0ea18 | 846 | progname, error); |
6570dc5d | 847 | libxfs_putbuf(bp); |
b1a24a81 | 848 | goto free; |
2bd0ea18 NS |
849 | } |
850 | ||
f1b058f9 | 851 | libxfs_writebuf(bp, 0); |
2bd0ea18 | 852 | #ifdef XACT_DEBUG |
260c85e8 MT |
853 | fprintf(stderr, "flushing dirty inode %llu, buffer %p\n", |
854 | ip->i_ino, bp); | |
2bd0ea18 | 855 | #endif |
b1a24a81 DW |
856 | free: |
857 | xfs_inode_item_put(iip); | |
2bd0ea18 NS |
858 | } |
859 | ||
5e656dbb | 860 | static void |
ad10fb70 NS |
861 | buf_item_done( |
862 | xfs_buf_log_item_t *bip) | |
2bd0ea18 | 863 | { |
ad10fb70 NS |
864 | xfs_buf_t *bp; |
865 | int hold; | |
5e656dbb | 866 | extern kmem_zone_t *xfs_buf_item_zone; |
2bd0ea18 NS |
867 | |
868 | bp = bip->bli_buf; | |
869 | ASSERT(bp != NULL); | |
cfc06b60 | 870 | bp->b_transp = NULL; /* remove xact ptr */ |
2bd0ea18 NS |
871 | |
872 | hold = (bip->bli_flags & XFS_BLI_HOLD); | |
2556c98b | 873 | if (bip->bli_flags & XFS_BLI_DIRTY) { |
2bd0ea18 | 874 | #ifdef XACT_DEBUG |
f1b058f9 | 875 | fprintf(stderr, "flushing/staling buffer %p (hold=%d)\n", |
2bd0ea18 NS |
876 | bp, hold); |
877 | #endif | |
2556c98b | 878 | libxfs_writebuf_int(bp, 0); |
2bd0ea18 | 879 | } |
8cc858fb DW |
880 | |
881 | bip->bli_flags &= ~XFS_BLI_HOLD; | |
882 | xfs_buf_item_put(bip); | |
2556c98b | 883 | if (hold) |
8cc858fb DW |
884 | return; |
885 | libxfs_putbuf(bp); | |
2bd0ea18 NS |
886 | } |
887 | ||
2bd0ea18 | 888 | static void |
c40bdaa2 DC |
889 | trans_committed( |
890 | xfs_trans_t *tp) | |
2bd0ea18 | 891 | { |
2fdd378a | 892 | struct xfs_log_item *lip, *next; |
c40bdaa2 | 893 | |
2fdd378a | 894 | list_for_each_entry_safe(lip, next, &tp->t_items, li_trans) { |
68f7f684 | 895 | xfs_trans_del_item(lip); |
a2ceac1f | 896 | |
2bd0ea18 | 897 | if (lip->li_type == XFS_LI_BUF) |
c40bdaa2 | 898 | buf_item_done((xfs_buf_log_item_t *)lip); |
2bd0ea18 | 899 | else if (lip->li_type == XFS_LI_INODE) |
c40bdaa2 | 900 | inode_item_done((xfs_inode_log_item_t *)lip); |
2bd0ea18 | 901 | else { |
9440d84d | 902 | fprintf(stderr, _("%s: unrecognised log item type\n"), |
2bd0ea18 NS |
903 | progname); |
904 | ASSERT(0); | |
905 | } | |
2fdd378a | 906 | } |
2bd0ea18 NS |
907 | } |
908 | ||
5e656dbb | 909 | static void |
1bab604b NS |
910 | buf_item_unlock( |
911 | xfs_buf_log_item_t *bip) | |
912 | { | |
913 | xfs_buf_t *bp = bip->bli_buf; | |
914 | uint hold; | |
915 | ||
916 | /* Clear the buffer's association with this transaction. */ | |
cfc06b60 | 917 | bip->bli_buf->b_transp = NULL; |
1bab604b NS |
918 | |
919 | hold = bip->bli_flags & XFS_BLI_HOLD; | |
c40bdaa2 | 920 | bip->bli_flags &= ~XFS_BLI_HOLD; |
7736b0ac | 921 | xfs_buf_item_put(bip); |
1bab604b NS |
922 | if (!hold) |
923 | libxfs_putbuf(bp); | |
1bab604b NS |
924 | } |
925 | ||
5e656dbb | 926 | static void |
1bab604b NS |
927 | inode_item_unlock( |
928 | xfs_inode_log_item_t *iip) | |
929 | { | |
930 | xfs_inode_t *ip = iip->ili_inode; | |
1bab604b NS |
931 | |
932 | /* Clear the transaction pointer in the inode. */ | |
933 | ip->i_transp = NULL; | |
934 | ||
1bab604b | 935 | iip->ili_flags = 0; |
b1a24a81 | 936 | xfs_inode_item_put(iip); |
1bab604b NS |
937 | } |
938 | ||
2fdd378a | 939 | /* Detach and unlock all of the items in a transaction */ |
7bcb8403 | 940 | static void |
c40bdaa2 | 941 | xfs_trans_free_items( |
7bcb8403 | 942 | struct xfs_trans *tp) |
2bd0ea18 | 943 | { |
2fdd378a | 944 | struct xfs_log_item *lip, *next; |
c40bdaa2 | 945 | |
2fdd378a DC |
946 | list_for_each_entry_safe(lip, next, &tp->t_items, li_trans) { |
947 | xfs_trans_del_item(lip); | |
1bab604b | 948 | if (lip->li_type == XFS_LI_BUF) |
c40bdaa2 | 949 | buf_item_unlock((xfs_buf_log_item_t *)lip); |
1bab604b | 950 | else if (lip->li_type == XFS_LI_INODE) |
c40bdaa2 | 951 | inode_item_unlock((xfs_inode_log_item_t *)lip); |
2bd0ea18 | 952 | else { |
9440d84d | 953 | fprintf(stderr, _("%s: unrecognised log item type\n"), |
2bd0ea18 NS |
954 | progname); |
955 | ASSERT(0); | |
956 | } | |
2bd0ea18 | 957 | } |
2bd0ea18 NS |
958 | } |
959 | ||
2bd0ea18 NS |
960 | /* |
961 | * Commit the changes represented by this transaction | |
962 | */ | |
f94c53c0 DW |
963 | static int |
964 | __xfs_trans_commit( | |
965 | struct xfs_trans *tp, | |
966 | bool regrant) | |
2bd0ea18 | 967 | { |
f94c53c0 DW |
968 | struct xfs_sb *sbp; |
969 | int error = 0; | |
2bd0ea18 NS |
970 | |
971 | if (tp == NULL) | |
972 | return 0; | |
973 | ||
3645e8ed BF |
974 | /* |
975 | * Finish deferred items on final commit. Only permanent transactions | |
976 | * should ever have deferred ops. | |
977 | */ | |
92a8736e | 978 | WARN_ON_ONCE(!list_empty(&tp->t_dfops) && |
3645e8ed BF |
979 | !(tp->t_flags & XFS_TRANS_PERM_LOG_RES)); |
980 | if (!regrant && (tp->t_flags & XFS_TRANS_PERM_LOG_RES)) { | |
ca7e896f | 981 | error = xfs_defer_finish_noroll(&tp); |
9f5a828b | 982 | if (error) |
f5f4497f | 983 | goto out_unreserve; |
f5f4497f | 984 | } |
f94c53c0 | 985 | |
2bd0ea18 NS |
986 | if (!(tp->t_flags & XFS_TRANS_DIRTY)) { |
987 | #ifdef XACT_DEBUG | |
988 | fprintf(stderr, "committed clean transaction %p\n", tp); | |
989 | #endif | |
f94c53c0 | 990 | goto out_unreserve; |
2bd0ea18 NS |
991 | } |
992 | ||
993 | if (tp->t_flags & XFS_TRANS_SB_DIRTY) { | |
994 | sbp = &(tp->t_mountp->m_sb); | |
995 | if (tp->t_icount_delta) | |
996 | sbp->sb_icount += tp->t_icount_delta; | |
997 | if (tp->t_ifree_delta) | |
998 | sbp->sb_ifree += tp->t_ifree_delta; | |
999 | if (tp->t_fdblocks_delta) | |
1000 | sbp->sb_fdblocks += tp->t_fdblocks_delta; | |
1001 | if (tp->t_frextents_delta) | |
1002 | sbp->sb_frextents += tp->t_frextents_delta; | |
19ebedcf | 1003 | xfs_log_sb(tp); |
2bd0ea18 NS |
1004 | } |
1005 | ||
1006 | #ifdef XACT_DEBUG | |
1007 | fprintf(stderr, "committing dirty transaction %p\n", tp); | |
1008 | #endif | |
1009 | trans_committed(tp); | |
1010 | ||
1011 | /* That's it for the transaction structure. Free it. */ | |
67d72279 | 1012 | xfs_trans_free(tp); |
2bd0ea18 | 1013 | return 0; |
f94c53c0 DW |
1014 | |
1015 | out_unreserve: | |
1016 | xfs_trans_free_items(tp); | |
1017 | xfs_trans_free(tp); | |
1018 | return error; | |
1019 | } | |
1020 | ||
1021 | int | |
1022 | libxfs_trans_commit( | |
1023 | struct xfs_trans *tp) | |
1024 | { | |
1025 | return __xfs_trans_commit(tp, false); | |
2bd0ea18 | 1026 | } |