1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
8 #include "xfs_format.h"
9 #include "xfs_log_format.h"
10 #include "xfs_trans_resv.h"
12 #include "xfs_shared.h"
13 #include "xfs_mount.h"
15 #include "xfs_defer.h"
16 #include "xfs_trans.h"
17 #include "xfs_trans_priv.h"
18 #include "xfs_extfree_item.h"
20 #include "xfs_btree.h"
22 #include "xfs_alloc.h"
24 #include "xfs_trace.h"
25 #include "xfs_error.h"
26 #include "xfs_log_priv.h"
27 #include "xfs_log_recover.h"
29 struct kmem_cache *xfs_efi_cache;
30 struct kmem_cache *xfs_efd_cache;
32 static const struct xfs_item_ops xfs_efi_item_ops;
34 static inline struct xfs_efi_log_item *EFI_ITEM(struct xfs_log_item *lip)
36 return container_of(lip, struct xfs_efi_log_item, efi_item);
41 struct xfs_efi_log_item *efip)
43 kmem_free(efip->efi_item.li_lv_shadow);
44 if (efip->efi_format.efi_nextents > XFS_EFI_MAX_FAST_EXTENTS)
47 kmem_cache_free(xfs_efi_cache, efip);
51 * Freeing the efi requires that we remove it from the AIL if it has already
52 * been placed there. However, the EFI may not yet have been placed in the AIL
53 * when called by xfs_efi_release() from EFD processing due to the ordering of
54 * committed vs unpin operations in bulk insert operations. Hence the reference
55 * count to ensure only the last caller frees the EFI.
59 struct xfs_efi_log_item *efip)
61 ASSERT(atomic_read(&efip->efi_refcount) > 0);
62 if (!atomic_dec_and_test(&efip->efi_refcount))
65 xfs_trans_ail_delete(&efip->efi_item, 0);
66 xfs_efi_item_free(efip);
71 struct xfs_log_item *lip,
75 struct xfs_efi_log_item *efip = EFI_ITEM(lip);
78 *nbytes += xfs_efi_log_format_sizeof(efip->efi_format.efi_nextents);
82 * This is called to fill in the vector of log iovecs for the
83 * given efi log item. We use only 1 iovec, and we point that
84 * at the efi_log_format structure embedded in the efi item.
85 * It is at this point that we assert that all of the extent
86 * slots in the efi item have been filled.
90 struct xfs_log_item *lip,
91 struct xfs_log_vec *lv)
93 struct xfs_efi_log_item *efip = EFI_ITEM(lip);
94 struct xfs_log_iovec *vecp = NULL;
96 ASSERT(atomic_read(&efip->efi_next_extent) ==
97 efip->efi_format.efi_nextents);
99 efip->efi_format.efi_type = XFS_LI_EFI;
100 efip->efi_format.efi_size = 1;
102 xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_EFI_FORMAT,
104 xfs_efi_log_format_sizeof(efip->efi_format.efi_nextents));
109 * The unpin operation is the last place an EFI is manipulated in the log. It is
110 * either inserted in the AIL or aborted in the event of a log I/O error. In
111 * either case, the EFI transaction has been successfully committed to make it
112 * this far. Therefore, we expect whoever committed the EFI to either construct
113 * and commit the EFD or drop the EFD's reference in the event of error. Simply
114 * drop the log's EFI reference now that the log is done with it.
118 struct xfs_log_item *lip,
121 struct xfs_efi_log_item *efip = EFI_ITEM(lip);
122 xfs_efi_release(efip);
126 * The EFI has been either committed or aborted if the transaction has been
127 * cancelled. If the transaction was cancelled, an EFD isn't going to be
128 * constructed and thus we free the EFI here directly.
131 xfs_efi_item_release(
132 struct xfs_log_item *lip)
134 xfs_efi_release(EFI_ITEM(lip));
138 * Allocate and initialize an efi item with the given number of extents.
140 STATIC struct xfs_efi_log_item *
142 struct xfs_mount *mp,
146 struct xfs_efi_log_item *efip;
148 ASSERT(nextents > 0);
149 if (nextents > XFS_EFI_MAX_FAST_EXTENTS) {
150 efip = kzalloc(xfs_efi_log_item_sizeof(nextents),
151 GFP_KERNEL | __GFP_NOFAIL);
153 efip = kmem_cache_zalloc(xfs_efi_cache,
154 GFP_KERNEL | __GFP_NOFAIL);
157 xfs_log_item_init(mp, &efip->efi_item, XFS_LI_EFI, &xfs_efi_item_ops);
158 efip->efi_format.efi_nextents = nextents;
159 efip->efi_format.efi_id = (uintptr_t)(void *)efip;
160 atomic_set(&efip->efi_next_extent, 0);
161 atomic_set(&efip->efi_refcount, 2);
167 * Copy an EFI format buffer from the given buf, and into the destination
168 * EFI format structure.
169 * The given buffer can be in 32 bit or 64 bit form (which has different padding),
170 * one of which will be the native format for this kernel.
171 * It will handle the conversion of formats if necessary.
174 xfs_efi_copy_format(xfs_log_iovec_t *buf, xfs_efi_log_format_t *dst_efi_fmt)
176 xfs_efi_log_format_t *src_efi_fmt = buf->i_addr;
178 uint len = xfs_efi_log_format_sizeof(src_efi_fmt->efi_nextents);
179 uint len32 = xfs_efi_log_format32_sizeof(src_efi_fmt->efi_nextents);
180 uint len64 = xfs_efi_log_format64_sizeof(src_efi_fmt->efi_nextents);
182 if (buf->i_len == len) {
183 memcpy(dst_efi_fmt, src_efi_fmt,
184 offsetof(struct xfs_efi_log_format, efi_extents));
185 for (i = 0; i < src_efi_fmt->efi_nextents; i++)
186 memcpy(&dst_efi_fmt->efi_extents[i],
187 &src_efi_fmt->efi_extents[i],
188 sizeof(struct xfs_extent));
190 } else if (buf->i_len == len32) {
191 xfs_efi_log_format_32_t *src_efi_fmt_32 = buf->i_addr;
193 dst_efi_fmt->efi_type = src_efi_fmt_32->efi_type;
194 dst_efi_fmt->efi_size = src_efi_fmt_32->efi_size;
195 dst_efi_fmt->efi_nextents = src_efi_fmt_32->efi_nextents;
196 dst_efi_fmt->efi_id = src_efi_fmt_32->efi_id;
197 for (i = 0; i < dst_efi_fmt->efi_nextents; i++) {
198 dst_efi_fmt->efi_extents[i].ext_start =
199 src_efi_fmt_32->efi_extents[i].ext_start;
200 dst_efi_fmt->efi_extents[i].ext_len =
201 src_efi_fmt_32->efi_extents[i].ext_len;
204 } else if (buf->i_len == len64) {
205 xfs_efi_log_format_64_t *src_efi_fmt_64 = buf->i_addr;
207 dst_efi_fmt->efi_type = src_efi_fmt_64->efi_type;
208 dst_efi_fmt->efi_size = src_efi_fmt_64->efi_size;
209 dst_efi_fmt->efi_nextents = src_efi_fmt_64->efi_nextents;
210 dst_efi_fmt->efi_id = src_efi_fmt_64->efi_id;
211 for (i = 0; i < dst_efi_fmt->efi_nextents; i++) {
212 dst_efi_fmt->efi_extents[i].ext_start =
213 src_efi_fmt_64->efi_extents[i].ext_start;
214 dst_efi_fmt->efi_extents[i].ext_len =
215 src_efi_fmt_64->efi_extents[i].ext_len;
219 XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
220 return -EFSCORRUPTED;
223 static inline struct xfs_efd_log_item *EFD_ITEM(struct xfs_log_item *lip)
225 return container_of(lip, struct xfs_efd_log_item, efd_item);
229 xfs_efd_item_free(struct xfs_efd_log_item *efdp)
231 kmem_free(efdp->efd_item.li_lv_shadow);
232 if (efdp->efd_format.efd_nextents > XFS_EFD_MAX_FAST_EXTENTS)
235 kmem_cache_free(xfs_efd_cache, efdp);
240 struct xfs_log_item *lip,
244 struct xfs_efd_log_item *efdp = EFD_ITEM(lip);
247 *nbytes += xfs_efd_log_format_sizeof(efdp->efd_format.efd_nextents);
251 * This is called to fill in the vector of log iovecs for the
252 * given efd log item. We use only 1 iovec, and we point that
253 * at the efd_log_format structure embedded in the efd item.
254 * It is at this point that we assert that all of the extent
255 * slots in the efd item have been filled.
259 struct xfs_log_item *lip,
260 struct xfs_log_vec *lv)
262 struct xfs_efd_log_item *efdp = EFD_ITEM(lip);
263 struct xfs_log_iovec *vecp = NULL;
265 ASSERT(efdp->efd_next_extent == efdp->efd_format.efd_nextents);
267 efdp->efd_format.efd_type = XFS_LI_EFD;
268 efdp->efd_format.efd_size = 1;
270 xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_EFD_FORMAT,
272 xfs_efd_log_format_sizeof(efdp->efd_format.efd_nextents));
276 * The EFD is either committed or aborted if the transaction is cancelled. If
277 * the transaction is cancelled, drop our reference to the EFI and free the EFD.
280 xfs_efd_item_release(
281 struct xfs_log_item *lip)
283 struct xfs_efd_log_item *efdp = EFD_ITEM(lip);
285 xfs_efi_release(efdp->efd_efip);
286 xfs_efd_item_free(efdp);
289 static struct xfs_log_item *
291 struct xfs_log_item *lip)
293 return &EFD_ITEM(lip)->efd_efip->efi_item;
296 static const struct xfs_item_ops xfs_efd_item_ops = {
297 .flags = XFS_ITEM_RELEASE_WHEN_COMMITTED |
298 XFS_ITEM_INTENT_DONE,
299 .iop_size = xfs_efd_item_size,
300 .iop_format = xfs_efd_item_format,
301 .iop_release = xfs_efd_item_release,
302 .iop_intent = xfs_efd_item_intent,
306 * Allocate an "extent free done" log item that will hold nextents worth of
307 * extents. The caller must use all nextents extents, because we are not
308 * flexible about this at all.
310 static struct xfs_efd_log_item *
312 struct xfs_trans *tp,
313 struct xfs_efi_log_item *efip,
314 unsigned int nextents)
316 struct xfs_efd_log_item *efdp;
318 ASSERT(nextents > 0);
320 if (nextents > XFS_EFD_MAX_FAST_EXTENTS) {
321 efdp = kzalloc(xfs_efd_log_item_sizeof(nextents),
322 GFP_KERNEL | __GFP_NOFAIL);
324 efdp = kmem_cache_zalloc(xfs_efd_cache,
325 GFP_KERNEL | __GFP_NOFAIL);
328 xfs_log_item_init(tp->t_mountp, &efdp->efd_item, XFS_LI_EFD,
330 efdp->efd_efip = efip;
331 efdp->efd_format.efd_nextents = nextents;
332 efdp->efd_format.efd_efi_id = efip->efi_format.efi_id;
334 xfs_trans_add_item(tp, &efdp->efd_item);
339 * Free an extent and log it to the EFD. Note that the transaction is marked
340 * dirty regardless of whether the extent free succeeds or fails to support the
341 * EFI/EFD lifecycle rules.
344 xfs_trans_free_extent(
345 struct xfs_trans *tp,
346 struct xfs_efd_log_item *efdp,
347 xfs_fsblock_t start_block,
348 xfs_extlen_t ext_len,
349 const struct xfs_owner_info *oinfo,
352 struct xfs_mount *mp = tp->t_mountp;
353 struct xfs_extent *extp;
355 xfs_agnumber_t agno = XFS_FSB_TO_AGNO(mp, start_block);
356 xfs_agblock_t agbno = XFS_FSB_TO_AGBNO(mp,
360 trace_xfs_bmap_free_deferred(tp->t_mountp, agno, 0, agbno, ext_len);
362 error = __xfs_free_extent(tp, start_block, ext_len,
363 oinfo, XFS_AG_RESV_NONE, skip_discard);
365 * Mark the transaction dirty, even on error. This ensures the
366 * transaction is aborted, which:
368 * 1.) releases the EFI and frees the EFD
369 * 2.) shuts down the filesystem
371 tp->t_flags |= XFS_TRANS_DIRTY | XFS_TRANS_HAS_INTENT_DONE;
372 set_bit(XFS_LI_DIRTY, &efdp->efd_item.li_flags);
374 next_extent = efdp->efd_next_extent;
375 ASSERT(next_extent < efdp->efd_format.efd_nextents);
376 extp = &(efdp->efd_format.efd_extents[next_extent]);
377 extp->ext_start = start_block;
378 extp->ext_len = ext_len;
379 efdp->efd_next_extent++;
384 /* Sort bmap items by AG. */
386 xfs_extent_free_diff_items(
388 const struct list_head *a,
389 const struct list_head *b)
391 struct xfs_mount *mp = priv;
392 struct xfs_extent_free_item *ra;
393 struct xfs_extent_free_item *rb;
395 ra = container_of(a, struct xfs_extent_free_item, xefi_list);
396 rb = container_of(b, struct xfs_extent_free_item, xefi_list);
397 return XFS_FSB_TO_AGNO(mp, ra->xefi_startblock) -
398 XFS_FSB_TO_AGNO(mp, rb->xefi_startblock);
401 /* Log a free extent to the intent item. */
403 xfs_extent_free_log_item(
404 struct xfs_trans *tp,
405 struct xfs_efi_log_item *efip,
406 struct xfs_extent_free_item *free)
409 struct xfs_extent *extp;
411 tp->t_flags |= XFS_TRANS_DIRTY;
412 set_bit(XFS_LI_DIRTY, &efip->efi_item.li_flags);
415 * atomic_inc_return gives us the value after the increment;
416 * we want to use it as an array index so we need to subtract 1 from
419 next_extent = atomic_inc_return(&efip->efi_next_extent) - 1;
420 ASSERT(next_extent < efip->efi_format.efi_nextents);
421 extp = &efip->efi_format.efi_extents[next_extent];
422 extp->ext_start = free->xefi_startblock;
423 extp->ext_len = free->xefi_blockcount;
426 static struct xfs_log_item *
427 xfs_extent_free_create_intent(
428 struct xfs_trans *tp,
429 struct list_head *items,
433 struct xfs_mount *mp = tp->t_mountp;
434 struct xfs_efi_log_item *efip = xfs_efi_init(mp, count);
435 struct xfs_extent_free_item *free;
439 xfs_trans_add_item(tp, &efip->efi_item);
441 list_sort(mp, items, xfs_extent_free_diff_items);
442 list_for_each_entry(free, items, xefi_list)
443 xfs_extent_free_log_item(tp, efip, free);
444 return &efip->efi_item;
447 /* Get an EFD so we can process all the free extents. */
448 static struct xfs_log_item *
449 xfs_extent_free_create_done(
450 struct xfs_trans *tp,
451 struct xfs_log_item *intent,
454 return &xfs_trans_get_efd(tp, EFI_ITEM(intent), count)->efd_item;
457 /* Process a free extent. */
459 xfs_extent_free_finish_item(
460 struct xfs_trans *tp,
461 struct xfs_log_item *done,
462 struct list_head *item,
463 struct xfs_btree_cur **state)
465 struct xfs_owner_info oinfo = { };
466 struct xfs_extent_free_item *free;
469 free = container_of(item, struct xfs_extent_free_item, xefi_list);
470 oinfo.oi_owner = free->xefi_owner;
471 if (free->xefi_flags & XFS_EFI_ATTR_FORK)
472 oinfo.oi_flags |= XFS_OWNER_INFO_ATTR_FORK;
473 if (free->xefi_flags & XFS_EFI_BMBT_BLOCK)
474 oinfo.oi_flags |= XFS_OWNER_INFO_BMBT_BLOCK;
475 error = xfs_trans_free_extent(tp, EFD_ITEM(done),
476 free->xefi_startblock,
477 free->xefi_blockcount,
478 &oinfo, free->xefi_flags & XFS_EFI_SKIP_DISCARD);
479 kmem_cache_free(xfs_extfree_item_cache, free);
483 /* Abort all pending EFIs. */
485 xfs_extent_free_abort_intent(
486 struct xfs_log_item *intent)
488 xfs_efi_release(EFI_ITEM(intent));
491 /* Cancel a free extent. */
493 xfs_extent_free_cancel_item(
494 struct list_head *item)
496 struct xfs_extent_free_item *free;
498 free = container_of(item, struct xfs_extent_free_item, xefi_list);
499 kmem_cache_free(xfs_extfree_item_cache, free);
502 const struct xfs_defer_op_type xfs_extent_free_defer_type = {
503 .max_items = XFS_EFI_MAX_FAST_EXTENTS,
504 .create_intent = xfs_extent_free_create_intent,
505 .abort_intent = xfs_extent_free_abort_intent,
506 .create_done = xfs_extent_free_create_done,
507 .finish_item = xfs_extent_free_finish_item,
508 .cancel_item = xfs_extent_free_cancel_item,
512 * AGFL blocks are accounted differently in the reserve pools and are not
513 * inserted into the busy extent list.
516 xfs_agfl_free_finish_item(
517 struct xfs_trans *tp,
518 struct xfs_log_item *done,
519 struct list_head *item,
520 struct xfs_btree_cur **state)
522 struct xfs_owner_info oinfo = { };
523 struct xfs_mount *mp = tp->t_mountp;
524 struct xfs_efd_log_item *efdp = EFD_ITEM(done);
525 struct xfs_extent_free_item *free;
526 struct xfs_extent *extp;
527 struct xfs_buf *agbp;
532 struct xfs_perag *pag;
534 free = container_of(item, struct xfs_extent_free_item, xefi_list);
535 ASSERT(free->xefi_blockcount == 1);
536 agno = XFS_FSB_TO_AGNO(mp, free->xefi_startblock);
537 agbno = XFS_FSB_TO_AGBNO(mp, free->xefi_startblock);
538 oinfo.oi_owner = free->xefi_owner;
540 trace_xfs_agfl_free_deferred(mp, agno, 0, agbno, free->xefi_blockcount);
542 pag = xfs_perag_get(mp, agno);
543 error = xfs_alloc_read_agf(pag, tp, 0, &agbp);
545 error = xfs_free_agfl_block(tp, agno, agbno, agbp, &oinfo);
549 * Mark the transaction dirty, even on error. This ensures the
550 * transaction is aborted, which:
552 * 1.) releases the EFI and frees the EFD
553 * 2.) shuts down the filesystem
555 tp->t_flags |= XFS_TRANS_DIRTY;
556 set_bit(XFS_LI_DIRTY, &efdp->efd_item.li_flags);
558 next_extent = efdp->efd_next_extent;
559 ASSERT(next_extent < efdp->efd_format.efd_nextents);
560 extp = &(efdp->efd_format.efd_extents[next_extent]);
561 extp->ext_start = free->xefi_startblock;
562 extp->ext_len = free->xefi_blockcount;
563 efdp->efd_next_extent++;
565 kmem_cache_free(xfs_extfree_item_cache, free);
569 /* sub-type with special handling for AGFL deferred frees */
570 const struct xfs_defer_op_type xfs_agfl_free_defer_type = {
571 .max_items = XFS_EFI_MAX_FAST_EXTENTS,
572 .create_intent = xfs_extent_free_create_intent,
573 .abort_intent = xfs_extent_free_abort_intent,
574 .create_done = xfs_extent_free_create_done,
575 .finish_item = xfs_agfl_free_finish_item,
576 .cancel_item = xfs_extent_free_cancel_item,
579 /* Is this recovered EFI ok? */
581 xfs_efi_validate_ext(
582 struct xfs_mount *mp,
583 struct xfs_extent *extp)
585 return xfs_verify_fsbext(mp, extp->ext_start, extp->ext_len);
589 * Process an extent free intent item that was recovered from
590 * the log. We need to free the extents that it describes.
593 xfs_efi_item_recover(
594 struct xfs_log_item *lip,
595 struct list_head *capture_list)
597 struct xfs_efi_log_item *efip = EFI_ITEM(lip);
598 struct xfs_mount *mp = lip->li_log->l_mp;
599 struct xfs_efd_log_item *efdp;
600 struct xfs_trans *tp;
601 struct xfs_extent *extp;
606 * First check the validity of the extents described by the
607 * EFI. If any are bad, then assume that all are bad and
610 for (i = 0; i < efip->efi_format.efi_nextents; i++) {
611 if (!xfs_efi_validate_ext(mp,
612 &efip->efi_format.efi_extents[i])) {
613 XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp,
615 sizeof(efip->efi_format));
616 return -EFSCORRUPTED;
620 error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, 0, 0, 0, &tp);
623 efdp = xfs_trans_get_efd(tp, efip, efip->efi_format.efi_nextents);
625 for (i = 0; i < efip->efi_format.efi_nextents; i++) {
626 extp = &efip->efi_format.efi_extents[i];
627 error = xfs_trans_free_extent(tp, efdp, extp->ext_start,
629 &XFS_RMAP_OINFO_ANY_OWNER, false);
630 if (error == -EFSCORRUPTED)
631 XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp,
632 extp, sizeof(*extp));
638 return xfs_defer_ops_capture_and_commit(tp, capture_list);
641 xfs_trans_cancel(tp);
647 struct xfs_log_item *lip,
650 return EFI_ITEM(lip)->efi_format.efi_id == intent_id;
653 /* Relog an intent item to push the log tail forward. */
654 static struct xfs_log_item *
656 struct xfs_log_item *intent,
657 struct xfs_trans *tp)
659 struct xfs_efd_log_item *efdp;
660 struct xfs_efi_log_item *efip;
661 struct xfs_extent *extp;
664 count = EFI_ITEM(intent)->efi_format.efi_nextents;
665 extp = EFI_ITEM(intent)->efi_format.efi_extents;
667 tp->t_flags |= XFS_TRANS_DIRTY;
668 efdp = xfs_trans_get_efd(tp, EFI_ITEM(intent), count);
669 efdp->efd_next_extent = count;
670 memcpy(efdp->efd_format.efd_extents, extp, count * sizeof(*extp));
671 set_bit(XFS_LI_DIRTY, &efdp->efd_item.li_flags);
673 efip = xfs_efi_init(tp->t_mountp, count);
674 memcpy(efip->efi_format.efi_extents, extp, count * sizeof(*extp));
675 atomic_set(&efip->efi_next_extent, count);
676 xfs_trans_add_item(tp, &efip->efi_item);
677 set_bit(XFS_LI_DIRTY, &efip->efi_item.li_flags);
678 return &efip->efi_item;
681 static const struct xfs_item_ops xfs_efi_item_ops = {
682 .flags = XFS_ITEM_INTENT,
683 .iop_size = xfs_efi_item_size,
684 .iop_format = xfs_efi_item_format,
685 .iop_unpin = xfs_efi_item_unpin,
686 .iop_release = xfs_efi_item_release,
687 .iop_recover = xfs_efi_item_recover,
688 .iop_match = xfs_efi_item_match,
689 .iop_relog = xfs_efi_item_relog,
693 * This routine is called to create an in-core extent free intent
694 * item from the efi format structure which was logged on disk.
695 * It allocates an in-core efi, copies the extents from the format
696 * structure into it, and adds the efi to the AIL with the given
700 xlog_recover_efi_commit_pass2(
702 struct list_head *buffer_list,
703 struct xlog_recover_item *item,
706 struct xfs_mount *mp = log->l_mp;
707 struct xfs_efi_log_item *efip;
708 struct xfs_efi_log_format *efi_formatp;
711 efi_formatp = item->ri_buf[0].i_addr;
713 if (item->ri_buf[0].i_len < xfs_efi_log_format_sizeof(0)) {
714 XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, log->l_mp);
715 return -EFSCORRUPTED;
718 efip = xfs_efi_init(mp, efi_formatp->efi_nextents);
719 error = xfs_efi_copy_format(&item->ri_buf[0], &efip->efi_format);
721 xfs_efi_item_free(efip);
724 atomic_set(&efip->efi_next_extent, efi_formatp->efi_nextents);
726 * Insert the intent into the AIL directly and drop one reference so
727 * that finishing or canceling the work will drop the other.
729 xfs_trans_ail_insert(log->l_ailp, &efip->efi_item, lsn);
730 xfs_efi_release(efip);
734 const struct xlog_recover_item_ops xlog_efi_item_ops = {
735 .item_type = XFS_LI_EFI,
736 .commit_pass2 = xlog_recover_efi_commit_pass2,
740 * This routine is called when an EFD format structure is found in a committed
741 * transaction in the log. Its purpose is to cancel the corresponding EFI if it
742 * was still in the log. To do this it searches the AIL for the EFI with an id
743 * equal to that in the EFD format structure. If we find it we drop the EFD
744 * reference, which removes the EFI from the AIL and frees it.
747 xlog_recover_efd_commit_pass2(
749 struct list_head *buffer_list,
750 struct xlog_recover_item *item,
753 struct xfs_efd_log_format *efd_formatp;
755 efd_formatp = item->ri_buf[0].i_addr;
756 ASSERT(item->ri_buf[0].i_len == xfs_efd_log_format32_sizeof(
757 efd_formatp->efd_nextents) ||
758 item->ri_buf[0].i_len == xfs_efd_log_format64_sizeof(
759 efd_formatp->efd_nextents));
761 xlog_recover_release_intent(log, XFS_LI_EFI, efd_formatp->efd_efi_id);
765 const struct xlog_recover_item_ops xlog_efd_item_ops = {
766 .item_type = XFS_LI_EFD,
767 .commit_pass2 = xlog_recover_efd_commit_pass2,