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"
14 #include "xfs_defer.h"
15 #include "xfs_trans.h"
16 #include "xfs_trans_priv.h"
17 #include "xfs_extfree_item.h"
19 #include "xfs_btree.h"
21 #include "xfs_alloc.h"
23 #include "xfs_trace.h"
24 #include "xfs_error.h"
25 #include "xfs_log_priv.h"
26 #include "xfs_log_recover.h"
28 struct kmem_cache *xfs_efi_cache;
29 struct kmem_cache *xfs_efd_cache;
31 static const struct xfs_item_ops xfs_efi_item_ops;
33 static inline struct xfs_efi_log_item *EFI_ITEM(struct xfs_log_item *lip)
35 return container_of(lip, struct xfs_efi_log_item, efi_item);
40 struct xfs_efi_log_item *efip)
42 kmem_free(efip->efi_item.li_lv_shadow);
43 if (efip->efi_format.efi_nextents > XFS_EFI_MAX_FAST_EXTENTS)
46 kmem_cache_free(xfs_efi_cache, efip);
50 * Freeing the efi requires that we remove it from the AIL if it has already
51 * been placed there. However, the EFI may not yet have been placed in the AIL
52 * when called by xfs_efi_release() from EFD processing due to the ordering of
53 * committed vs unpin operations in bulk insert operations. Hence the reference
54 * count to ensure only the last caller frees the EFI.
58 struct xfs_efi_log_item *efip)
60 ASSERT(atomic_read(&efip->efi_refcount) > 0);
61 if (!atomic_dec_and_test(&efip->efi_refcount))
64 xfs_trans_ail_delete(&efip->efi_item, 0);
65 xfs_efi_item_free(efip);
69 * This returns the number of iovecs needed to log the given efi item.
70 * We only need 1 iovec for an efi item. It just logs the efi_log_format
75 struct xfs_efi_log_item *efip)
77 return sizeof(struct xfs_efi_log_format) +
78 (efip->efi_format.efi_nextents - 1) * sizeof(xfs_extent_t);
83 struct xfs_log_item *lip,
88 *nbytes += xfs_efi_item_sizeof(EFI_ITEM(lip));
92 * This is called to fill in the vector of log iovecs for the
93 * given efi log item. We use only 1 iovec, and we point that
94 * at the efi_log_format structure embedded in the efi item.
95 * It is at this point that we assert that all of the extent
96 * slots in the efi item have been filled.
100 struct xfs_log_item *lip,
101 struct xfs_log_vec *lv)
103 struct xfs_efi_log_item *efip = EFI_ITEM(lip);
104 struct xfs_log_iovec *vecp = NULL;
106 ASSERT(atomic_read(&efip->efi_next_extent) ==
107 efip->efi_format.efi_nextents);
109 efip->efi_format.efi_type = XFS_LI_EFI;
110 efip->efi_format.efi_size = 1;
112 xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_EFI_FORMAT,
114 xfs_efi_item_sizeof(efip));
119 * The unpin operation is the last place an EFI is manipulated in the log. It is
120 * either inserted in the AIL or aborted in the event of a log I/O error. In
121 * either case, the EFI transaction has been successfully committed to make it
122 * this far. Therefore, we expect whoever committed the EFI to either construct
123 * and commit the EFD or drop the EFD's reference in the event of error. Simply
124 * drop the log's EFI reference now that the log is done with it.
128 struct xfs_log_item *lip,
131 struct xfs_efi_log_item *efip = EFI_ITEM(lip);
132 xfs_efi_release(efip);
136 * The EFI has been either committed or aborted if the transaction has been
137 * cancelled. If the transaction was cancelled, an EFD isn't going to be
138 * constructed and thus we free the EFI here directly.
141 xfs_efi_item_release(
142 struct xfs_log_item *lip)
144 xfs_efi_release(EFI_ITEM(lip));
148 * Allocate and initialize an efi item with the given number of extents.
150 STATIC struct xfs_efi_log_item *
152 struct xfs_mount *mp,
156 struct xfs_efi_log_item *efip;
159 ASSERT(nextents > 0);
160 if (nextents > XFS_EFI_MAX_FAST_EXTENTS) {
161 size = (uint)(sizeof(struct xfs_efi_log_item) +
162 ((nextents - 1) * sizeof(xfs_extent_t)));
163 efip = kmem_zalloc(size, 0);
165 efip = kmem_cache_zalloc(xfs_efi_cache,
166 GFP_KERNEL | __GFP_NOFAIL);
169 xfs_log_item_init(mp, &efip->efi_item, XFS_LI_EFI, &xfs_efi_item_ops);
170 efip->efi_format.efi_nextents = nextents;
171 efip->efi_format.efi_id = (uintptr_t)(void *)efip;
172 atomic_set(&efip->efi_next_extent, 0);
173 atomic_set(&efip->efi_refcount, 2);
179 * Copy an EFI format buffer from the given buf, and into the destination
180 * EFI format structure.
181 * The given buffer can be in 32 bit or 64 bit form (which has different padding),
182 * one of which will be the native format for this kernel.
183 * It will handle the conversion of formats if necessary.
186 xfs_efi_copy_format(xfs_log_iovec_t *buf, xfs_efi_log_format_t *dst_efi_fmt)
188 xfs_efi_log_format_t *src_efi_fmt = buf->i_addr;
190 uint len = sizeof(xfs_efi_log_format_t) +
191 (src_efi_fmt->efi_nextents - 1) * sizeof(xfs_extent_t);
192 uint len32 = sizeof(xfs_efi_log_format_32_t) +
193 (src_efi_fmt->efi_nextents - 1) * sizeof(xfs_extent_32_t);
194 uint len64 = sizeof(xfs_efi_log_format_64_t) +
195 (src_efi_fmt->efi_nextents - 1) * sizeof(xfs_extent_64_t);
197 if (buf->i_len == len) {
198 memcpy((char *)dst_efi_fmt, (char*)src_efi_fmt, len);
200 } else if (buf->i_len == len32) {
201 xfs_efi_log_format_32_t *src_efi_fmt_32 = buf->i_addr;
203 dst_efi_fmt->efi_type = src_efi_fmt_32->efi_type;
204 dst_efi_fmt->efi_size = src_efi_fmt_32->efi_size;
205 dst_efi_fmt->efi_nextents = src_efi_fmt_32->efi_nextents;
206 dst_efi_fmt->efi_id = src_efi_fmt_32->efi_id;
207 for (i = 0; i < dst_efi_fmt->efi_nextents; i++) {
208 dst_efi_fmt->efi_extents[i].ext_start =
209 src_efi_fmt_32->efi_extents[i].ext_start;
210 dst_efi_fmt->efi_extents[i].ext_len =
211 src_efi_fmt_32->efi_extents[i].ext_len;
214 } else if (buf->i_len == len64) {
215 xfs_efi_log_format_64_t *src_efi_fmt_64 = buf->i_addr;
217 dst_efi_fmt->efi_type = src_efi_fmt_64->efi_type;
218 dst_efi_fmt->efi_size = src_efi_fmt_64->efi_size;
219 dst_efi_fmt->efi_nextents = src_efi_fmt_64->efi_nextents;
220 dst_efi_fmt->efi_id = src_efi_fmt_64->efi_id;
221 for (i = 0; i < dst_efi_fmt->efi_nextents; i++) {
222 dst_efi_fmt->efi_extents[i].ext_start =
223 src_efi_fmt_64->efi_extents[i].ext_start;
224 dst_efi_fmt->efi_extents[i].ext_len =
225 src_efi_fmt_64->efi_extents[i].ext_len;
229 XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
230 return -EFSCORRUPTED;
233 static inline struct xfs_efd_log_item *EFD_ITEM(struct xfs_log_item *lip)
235 return container_of(lip, struct xfs_efd_log_item, efd_item);
239 xfs_efd_item_free(struct xfs_efd_log_item *efdp)
241 kmem_free(efdp->efd_item.li_lv_shadow);
242 if (efdp->efd_format.efd_nextents > XFS_EFD_MAX_FAST_EXTENTS)
245 kmem_cache_free(xfs_efd_cache, efdp);
249 * This returns the number of iovecs needed to log the given efd item.
250 * We only need 1 iovec for an efd item. It just logs the efd_log_format
255 struct xfs_efd_log_item *efdp)
257 return sizeof(xfs_efd_log_format_t) +
258 (efdp->efd_format.efd_nextents - 1) * sizeof(xfs_extent_t);
263 struct xfs_log_item *lip,
268 *nbytes += xfs_efd_item_sizeof(EFD_ITEM(lip));
272 * This is called to fill in the vector of log iovecs for the
273 * given efd log item. We use only 1 iovec, and we point that
274 * at the efd_log_format structure embedded in the efd item.
275 * It is at this point that we assert that all of the extent
276 * slots in the efd item have been filled.
280 struct xfs_log_item *lip,
281 struct xfs_log_vec *lv)
283 struct xfs_efd_log_item *efdp = EFD_ITEM(lip);
284 struct xfs_log_iovec *vecp = NULL;
286 ASSERT(efdp->efd_next_extent == efdp->efd_format.efd_nextents);
288 efdp->efd_format.efd_type = XFS_LI_EFD;
289 efdp->efd_format.efd_size = 1;
291 xlog_copy_iovec(lv, &vecp, XLOG_REG_TYPE_EFD_FORMAT,
293 xfs_efd_item_sizeof(efdp));
297 * The EFD is either committed or aborted if the transaction is cancelled. If
298 * the transaction is cancelled, drop our reference to the EFI and free the EFD.
301 xfs_efd_item_release(
302 struct xfs_log_item *lip)
304 struct xfs_efd_log_item *efdp = EFD_ITEM(lip);
306 xfs_efi_release(efdp->efd_efip);
307 xfs_efd_item_free(efdp);
310 static struct xfs_log_item *
312 struct xfs_log_item *lip)
314 return &EFD_ITEM(lip)->efd_efip->efi_item;
317 static const struct xfs_item_ops xfs_efd_item_ops = {
318 .flags = XFS_ITEM_RELEASE_WHEN_COMMITTED |
319 XFS_ITEM_INTENT_DONE,
320 .iop_size = xfs_efd_item_size,
321 .iop_format = xfs_efd_item_format,
322 .iop_release = xfs_efd_item_release,
323 .iop_intent = xfs_efd_item_intent,
327 * Allocate an "extent free done" log item that will hold nextents worth of
328 * extents. The caller must use all nextents extents, because we are not
329 * flexible about this at all.
331 static struct xfs_efd_log_item *
333 struct xfs_trans *tp,
334 struct xfs_efi_log_item *efip,
335 unsigned int nextents)
337 struct xfs_efd_log_item *efdp;
339 ASSERT(nextents > 0);
341 if (nextents > XFS_EFD_MAX_FAST_EXTENTS) {
342 efdp = kmem_zalloc(sizeof(struct xfs_efd_log_item) +
343 (nextents - 1) * sizeof(struct xfs_extent),
346 efdp = kmem_cache_zalloc(xfs_efd_cache,
347 GFP_KERNEL | __GFP_NOFAIL);
350 xfs_log_item_init(tp->t_mountp, &efdp->efd_item, XFS_LI_EFD,
352 efdp->efd_efip = efip;
353 efdp->efd_format.efd_nextents = nextents;
354 efdp->efd_format.efd_efi_id = efip->efi_format.efi_id;
356 xfs_trans_add_item(tp, &efdp->efd_item);
361 * Free an extent and log it to the EFD. Note that the transaction is marked
362 * dirty regardless of whether the extent free succeeds or fails to support the
363 * EFI/EFD lifecycle rules.
366 xfs_trans_free_extent(
367 struct xfs_trans *tp,
368 struct xfs_efd_log_item *efdp,
369 xfs_fsblock_t start_block,
370 xfs_extlen_t ext_len,
371 const struct xfs_owner_info *oinfo,
374 struct xfs_mount *mp = tp->t_mountp;
375 struct xfs_extent *extp;
377 xfs_agnumber_t agno = XFS_FSB_TO_AGNO(mp, start_block);
378 xfs_agblock_t agbno = XFS_FSB_TO_AGBNO(mp,
382 trace_xfs_bmap_free_deferred(tp->t_mountp, agno, 0, agbno, ext_len);
384 error = __xfs_free_extent(tp, start_block, ext_len,
385 oinfo, XFS_AG_RESV_NONE, skip_discard);
387 * Mark the transaction dirty, even on error. This ensures the
388 * transaction is aborted, which:
390 * 1.) releases the EFI and frees the EFD
391 * 2.) shuts down the filesystem
393 tp->t_flags |= XFS_TRANS_DIRTY | XFS_TRANS_HAS_INTENT_DONE;
394 set_bit(XFS_LI_DIRTY, &efdp->efd_item.li_flags);
396 next_extent = efdp->efd_next_extent;
397 ASSERT(next_extent < efdp->efd_format.efd_nextents);
398 extp = &(efdp->efd_format.efd_extents[next_extent]);
399 extp->ext_start = start_block;
400 extp->ext_len = ext_len;
401 efdp->efd_next_extent++;
406 /* Sort bmap items by AG. */
408 xfs_extent_free_diff_items(
410 const struct list_head *a,
411 const struct list_head *b)
413 struct xfs_mount *mp = priv;
414 struct xfs_extent_free_item *ra;
415 struct xfs_extent_free_item *rb;
417 ra = container_of(a, struct xfs_extent_free_item, xefi_list);
418 rb = container_of(b, struct xfs_extent_free_item, xefi_list);
419 return XFS_FSB_TO_AGNO(mp, ra->xefi_startblock) -
420 XFS_FSB_TO_AGNO(mp, rb->xefi_startblock);
423 /* Log a free extent to the intent item. */
425 xfs_extent_free_log_item(
426 struct xfs_trans *tp,
427 struct xfs_efi_log_item *efip,
428 struct xfs_extent_free_item *free)
431 struct xfs_extent *extp;
433 tp->t_flags |= XFS_TRANS_DIRTY;
434 set_bit(XFS_LI_DIRTY, &efip->efi_item.li_flags);
437 * atomic_inc_return gives us the value after the increment;
438 * we want to use it as an array index so we need to subtract 1 from
441 next_extent = atomic_inc_return(&efip->efi_next_extent) - 1;
442 ASSERT(next_extent < efip->efi_format.efi_nextents);
443 extp = &efip->efi_format.efi_extents[next_extent];
444 extp->ext_start = free->xefi_startblock;
445 extp->ext_len = free->xefi_blockcount;
448 static struct xfs_log_item *
449 xfs_extent_free_create_intent(
450 struct xfs_trans *tp,
451 struct list_head *items,
455 struct xfs_mount *mp = tp->t_mountp;
456 struct xfs_efi_log_item *efip = xfs_efi_init(mp, count);
457 struct xfs_extent_free_item *free;
461 xfs_trans_add_item(tp, &efip->efi_item);
463 list_sort(mp, items, xfs_extent_free_diff_items);
464 list_for_each_entry(free, items, xefi_list)
465 xfs_extent_free_log_item(tp, efip, free);
466 return &efip->efi_item;
469 /* Get an EFD so we can process all the free extents. */
470 static struct xfs_log_item *
471 xfs_extent_free_create_done(
472 struct xfs_trans *tp,
473 struct xfs_log_item *intent,
476 return &xfs_trans_get_efd(tp, EFI_ITEM(intent), count)->efd_item;
479 /* Process a free extent. */
481 xfs_extent_free_finish_item(
482 struct xfs_trans *tp,
483 struct xfs_log_item *done,
484 struct list_head *item,
485 struct xfs_btree_cur **state)
487 struct xfs_owner_info oinfo = { };
488 struct xfs_extent_free_item *free;
491 free = container_of(item, struct xfs_extent_free_item, xefi_list);
492 oinfo.oi_owner = free->xefi_owner;
493 if (free->xefi_flags & XFS_EFI_ATTR_FORK)
494 oinfo.oi_flags |= XFS_OWNER_INFO_ATTR_FORK;
495 if (free->xefi_flags & XFS_EFI_BMBT_BLOCK)
496 oinfo.oi_flags |= XFS_OWNER_INFO_BMBT_BLOCK;
497 error = xfs_trans_free_extent(tp, EFD_ITEM(done),
498 free->xefi_startblock,
499 free->xefi_blockcount,
500 &oinfo, free->xefi_flags & XFS_EFI_SKIP_DISCARD);
501 kmem_cache_free(xfs_extfree_item_cache, free);
505 /* Abort all pending EFIs. */
507 xfs_extent_free_abort_intent(
508 struct xfs_log_item *intent)
510 xfs_efi_release(EFI_ITEM(intent));
513 /* Cancel a free extent. */
515 xfs_extent_free_cancel_item(
516 struct list_head *item)
518 struct xfs_extent_free_item *free;
520 free = container_of(item, struct xfs_extent_free_item, xefi_list);
521 kmem_cache_free(xfs_extfree_item_cache, free);
524 const struct xfs_defer_op_type xfs_extent_free_defer_type = {
525 .max_items = XFS_EFI_MAX_FAST_EXTENTS,
526 .create_intent = xfs_extent_free_create_intent,
527 .abort_intent = xfs_extent_free_abort_intent,
528 .create_done = xfs_extent_free_create_done,
529 .finish_item = xfs_extent_free_finish_item,
530 .cancel_item = xfs_extent_free_cancel_item,
534 * AGFL blocks are accounted differently in the reserve pools and are not
535 * inserted into the busy extent list.
538 xfs_agfl_free_finish_item(
539 struct xfs_trans *tp,
540 struct xfs_log_item *done,
541 struct list_head *item,
542 struct xfs_btree_cur **state)
544 struct xfs_owner_info oinfo = { };
545 struct xfs_mount *mp = tp->t_mountp;
546 struct xfs_efd_log_item *efdp = EFD_ITEM(done);
547 struct xfs_extent_free_item *free;
548 struct xfs_extent *extp;
549 struct xfs_buf *agbp;
555 free = container_of(item, struct xfs_extent_free_item, xefi_list);
556 ASSERT(free->xefi_blockcount == 1);
557 agno = XFS_FSB_TO_AGNO(mp, free->xefi_startblock);
558 agbno = XFS_FSB_TO_AGBNO(mp, free->xefi_startblock);
559 oinfo.oi_owner = free->xefi_owner;
561 trace_xfs_agfl_free_deferred(mp, agno, 0, agbno, free->xefi_blockcount);
563 error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp);
565 error = xfs_free_agfl_block(tp, agno, agbno, agbp, &oinfo);
568 * Mark the transaction dirty, even on error. This ensures the
569 * transaction is aborted, which:
571 * 1.) releases the EFI and frees the EFD
572 * 2.) shuts down the filesystem
574 tp->t_flags |= XFS_TRANS_DIRTY;
575 set_bit(XFS_LI_DIRTY, &efdp->efd_item.li_flags);
577 next_extent = efdp->efd_next_extent;
578 ASSERT(next_extent < efdp->efd_format.efd_nextents);
579 extp = &(efdp->efd_format.efd_extents[next_extent]);
580 extp->ext_start = free->xefi_startblock;
581 extp->ext_len = free->xefi_blockcount;
582 efdp->efd_next_extent++;
584 kmem_cache_free(xfs_extfree_item_cache, free);
588 /* sub-type with special handling for AGFL deferred frees */
589 const struct xfs_defer_op_type xfs_agfl_free_defer_type = {
590 .max_items = XFS_EFI_MAX_FAST_EXTENTS,
591 .create_intent = xfs_extent_free_create_intent,
592 .abort_intent = xfs_extent_free_abort_intent,
593 .create_done = xfs_extent_free_create_done,
594 .finish_item = xfs_agfl_free_finish_item,
595 .cancel_item = xfs_extent_free_cancel_item,
598 /* Is this recovered EFI ok? */
600 xfs_efi_validate_ext(
601 struct xfs_mount *mp,
602 struct xfs_extent *extp)
604 return xfs_verify_fsbext(mp, extp->ext_start, extp->ext_len);
608 * Process an extent free intent item that was recovered from
609 * the log. We need to free the extents that it describes.
612 xfs_efi_item_recover(
613 struct xfs_log_item *lip,
614 struct list_head *capture_list)
616 struct xfs_efi_log_item *efip = EFI_ITEM(lip);
617 struct xfs_mount *mp = lip->li_log->l_mp;
618 struct xfs_efd_log_item *efdp;
619 struct xfs_trans *tp;
620 struct xfs_extent *extp;
625 * First check the validity of the extents described by the
626 * EFI. If any are bad, then assume that all are bad and
629 for (i = 0; i < efip->efi_format.efi_nextents; i++) {
630 if (!xfs_efi_validate_ext(mp,
631 &efip->efi_format.efi_extents[i])) {
632 XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp,
634 sizeof(efip->efi_format));
635 return -EFSCORRUPTED;
639 error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, 0, 0, 0, &tp);
642 efdp = xfs_trans_get_efd(tp, efip, efip->efi_format.efi_nextents);
644 for (i = 0; i < efip->efi_format.efi_nextents; i++) {
645 extp = &efip->efi_format.efi_extents[i];
646 error = xfs_trans_free_extent(tp, efdp, extp->ext_start,
648 &XFS_RMAP_OINFO_ANY_OWNER, false);
649 if (error == -EFSCORRUPTED)
650 XFS_CORRUPTION_ERROR(__func__, XFS_ERRLEVEL_LOW, mp,
651 extp, sizeof(*extp));
657 return xfs_defer_ops_capture_and_commit(tp, capture_list);
660 xfs_trans_cancel(tp);
666 struct xfs_log_item *lip,
669 return EFI_ITEM(lip)->efi_format.efi_id == intent_id;
672 /* Relog an intent item to push the log tail forward. */
673 static struct xfs_log_item *
675 struct xfs_log_item *intent,
676 struct xfs_trans *tp)
678 struct xfs_efd_log_item *efdp;
679 struct xfs_efi_log_item *efip;
680 struct xfs_extent *extp;
683 count = EFI_ITEM(intent)->efi_format.efi_nextents;
684 extp = EFI_ITEM(intent)->efi_format.efi_extents;
686 tp->t_flags |= XFS_TRANS_DIRTY;
687 efdp = xfs_trans_get_efd(tp, EFI_ITEM(intent), count);
688 efdp->efd_next_extent = count;
689 memcpy(efdp->efd_format.efd_extents, extp, count * sizeof(*extp));
690 set_bit(XFS_LI_DIRTY, &efdp->efd_item.li_flags);
692 efip = xfs_efi_init(tp->t_mountp, count);
693 memcpy(efip->efi_format.efi_extents, extp, count * sizeof(*extp));
694 atomic_set(&efip->efi_next_extent, count);
695 xfs_trans_add_item(tp, &efip->efi_item);
696 set_bit(XFS_LI_DIRTY, &efip->efi_item.li_flags);
697 return &efip->efi_item;
700 static const struct xfs_item_ops xfs_efi_item_ops = {
701 .flags = XFS_ITEM_INTENT,
702 .iop_size = xfs_efi_item_size,
703 .iop_format = xfs_efi_item_format,
704 .iop_unpin = xfs_efi_item_unpin,
705 .iop_release = xfs_efi_item_release,
706 .iop_recover = xfs_efi_item_recover,
707 .iop_match = xfs_efi_item_match,
708 .iop_relog = xfs_efi_item_relog,
712 * This routine is called to create an in-core extent free intent
713 * item from the efi format structure which was logged on disk.
714 * It allocates an in-core efi, copies the extents from the format
715 * structure into it, and adds the efi to the AIL with the given
719 xlog_recover_efi_commit_pass2(
721 struct list_head *buffer_list,
722 struct xlog_recover_item *item,
725 struct xfs_mount *mp = log->l_mp;
726 struct xfs_efi_log_item *efip;
727 struct xfs_efi_log_format *efi_formatp;
730 efi_formatp = item->ri_buf[0].i_addr;
732 efip = xfs_efi_init(mp, efi_formatp->efi_nextents);
733 error = xfs_efi_copy_format(&item->ri_buf[0], &efip->efi_format);
735 xfs_efi_item_free(efip);
738 atomic_set(&efip->efi_next_extent, efi_formatp->efi_nextents);
740 * Insert the intent into the AIL directly and drop one reference so
741 * that finishing or canceling the work will drop the other.
743 xfs_trans_ail_insert(log->l_ailp, &efip->efi_item, lsn);
744 xfs_efi_release(efip);
748 const struct xlog_recover_item_ops xlog_efi_item_ops = {
749 .item_type = XFS_LI_EFI,
750 .commit_pass2 = xlog_recover_efi_commit_pass2,
754 * This routine is called when an EFD format structure is found in a committed
755 * transaction in the log. Its purpose is to cancel the corresponding EFI if it
756 * was still in the log. To do this it searches the AIL for the EFI with an id
757 * equal to that in the EFD format structure. If we find it we drop the EFD
758 * reference, which removes the EFI from the AIL and frees it.
761 xlog_recover_efd_commit_pass2(
763 struct list_head *buffer_list,
764 struct xlog_recover_item *item,
767 struct xfs_efd_log_format *efd_formatp;
769 efd_formatp = item->ri_buf[0].i_addr;
770 ASSERT((item->ri_buf[0].i_len == (sizeof(xfs_efd_log_format_32_t) +
771 ((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_32_t)))) ||
772 (item->ri_buf[0].i_len == (sizeof(xfs_efd_log_format_64_t) +
773 ((efd_formatp->efd_nextents - 1) * sizeof(xfs_extent_64_t)))));
775 xlog_recover_release_intent(log, XFS_LI_EFI, efd_formatp->efd_efi_id);
779 const struct xlog_recover_item_ops xlog_efd_item_ops = {
780 .item_type = XFS_LI_EFD,
781 .commit_pass2 = xlog_recover_efd_commit_pass2,