1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
8 #include "xfs_shared.h"
9 #include "xfs_format.h"
10 #include "xfs_log_format.h"
11 #include "xfs_trans_resv.h"
12 #include "xfs_mount.h"
13 #include "xfs_inode.h"
14 #include "xfs_trans.h"
15 #include "xfs_inode_item.h"
16 #include "xfs_trace.h"
17 #include "xfs_trans_priv.h"
18 #include "xfs_buf_item.h"
20 #include "xfs_error.h"
22 #include <linux/iversion.h>
24 kmem_zone_t *xfs_ili_zone; /* inode log item zone */
26 static inline struct xfs_inode_log_item *INODE_ITEM(struct xfs_log_item *lip)
28 return container_of(lip, struct xfs_inode_log_item, ili_item);
32 xfs_inode_item_data_fork_size(
33 struct xfs_inode_log_item *iip,
37 struct xfs_inode *ip = iip->ili_inode;
39 switch (ip->i_df.if_format) {
40 case XFS_DINODE_FMT_EXTENTS:
41 if ((iip->ili_fields & XFS_ILOG_DEXT) &&
42 ip->i_df.if_nextents > 0 &&
43 ip->i_df.if_bytes > 0) {
44 /* worst case, doesn't subtract delalloc extents */
45 *nbytes += XFS_IFORK_DSIZE(ip);
49 case XFS_DINODE_FMT_BTREE:
50 if ((iip->ili_fields & XFS_ILOG_DBROOT) &&
51 ip->i_df.if_broot_bytes > 0) {
52 *nbytes += ip->i_df.if_broot_bytes;
56 case XFS_DINODE_FMT_LOCAL:
57 if ((iip->ili_fields & XFS_ILOG_DDATA) &&
58 ip->i_df.if_bytes > 0) {
59 *nbytes += roundup(ip->i_df.if_bytes, 4);
64 case XFS_DINODE_FMT_DEV:
73 xfs_inode_item_attr_fork_size(
74 struct xfs_inode_log_item *iip,
78 struct xfs_inode *ip = iip->ili_inode;
80 switch (ip->i_afp->if_format) {
81 case XFS_DINODE_FMT_EXTENTS:
82 if ((iip->ili_fields & XFS_ILOG_AEXT) &&
83 ip->i_afp->if_nextents > 0 &&
84 ip->i_afp->if_bytes > 0) {
85 /* worst case, doesn't subtract unused space */
86 *nbytes += XFS_IFORK_ASIZE(ip);
90 case XFS_DINODE_FMT_BTREE:
91 if ((iip->ili_fields & XFS_ILOG_ABROOT) &&
92 ip->i_afp->if_broot_bytes > 0) {
93 *nbytes += ip->i_afp->if_broot_bytes;
97 case XFS_DINODE_FMT_LOCAL:
98 if ((iip->ili_fields & XFS_ILOG_ADATA) &&
99 ip->i_afp->if_bytes > 0) {
100 *nbytes += roundup(ip->i_afp->if_bytes, 4);
111 * This returns the number of iovecs needed to log the given inode item.
113 * We need one iovec for the inode log format structure, one for the
114 * inode core, and possibly one for the inode data/extents/b-tree root
115 * and one for the inode attribute data/extents/b-tree root.
119 struct xfs_log_item *lip,
123 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
124 struct xfs_inode *ip = iip->ili_inode;
127 *nbytes += sizeof(struct xfs_inode_log_format) +
128 xfs_log_dinode_size(ip->i_mount);
130 xfs_inode_item_data_fork_size(iip, nvecs, nbytes);
132 xfs_inode_item_attr_fork_size(iip, nvecs, nbytes);
136 xfs_inode_item_format_data_fork(
137 struct xfs_inode_log_item *iip,
138 struct xfs_inode_log_format *ilf,
139 struct xfs_log_vec *lv,
140 struct xfs_log_iovec **vecp)
142 struct xfs_inode *ip = iip->ili_inode;
145 switch (ip->i_df.if_format) {
146 case XFS_DINODE_FMT_EXTENTS:
148 ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | XFS_ILOG_DEV);
150 if ((iip->ili_fields & XFS_ILOG_DEXT) &&
151 ip->i_df.if_nextents > 0 &&
152 ip->i_df.if_bytes > 0) {
153 struct xfs_bmbt_rec *p;
155 ASSERT(xfs_iext_count(&ip->i_df) > 0);
157 p = xlog_prepare_iovec(lv, vecp, XLOG_REG_TYPE_IEXT);
158 data_bytes = xfs_iextents_copy(ip, p, XFS_DATA_FORK);
159 xlog_finish_iovec(lv, *vecp, data_bytes);
161 ASSERT(data_bytes <= ip->i_df.if_bytes);
163 ilf->ilf_dsize = data_bytes;
166 iip->ili_fields &= ~XFS_ILOG_DEXT;
169 case XFS_DINODE_FMT_BTREE:
171 ~(XFS_ILOG_DDATA | XFS_ILOG_DEXT | XFS_ILOG_DEV);
173 if ((iip->ili_fields & XFS_ILOG_DBROOT) &&
174 ip->i_df.if_broot_bytes > 0) {
175 ASSERT(ip->i_df.if_broot != NULL);
176 xlog_copy_iovec(lv, vecp, XLOG_REG_TYPE_IBROOT,
178 ip->i_df.if_broot_bytes);
179 ilf->ilf_dsize = ip->i_df.if_broot_bytes;
182 ASSERT(!(iip->ili_fields &
184 iip->ili_fields &= ~XFS_ILOG_DBROOT;
187 case XFS_DINODE_FMT_LOCAL:
189 ~(XFS_ILOG_DEXT | XFS_ILOG_DBROOT | XFS_ILOG_DEV);
190 if ((iip->ili_fields & XFS_ILOG_DDATA) &&
191 ip->i_df.if_bytes > 0) {
193 * Round i_bytes up to a word boundary.
194 * The underlying memory is guaranteed
195 * to be there by xfs_idata_realloc().
197 data_bytes = roundup(ip->i_df.if_bytes, 4);
198 ASSERT(ip->i_df.if_u1.if_data != NULL);
199 ASSERT(ip->i_d.di_size > 0);
200 xlog_copy_iovec(lv, vecp, XLOG_REG_TYPE_ILOCAL,
201 ip->i_df.if_u1.if_data, data_bytes);
202 ilf->ilf_dsize = (unsigned)data_bytes;
205 iip->ili_fields &= ~XFS_ILOG_DDATA;
208 case XFS_DINODE_FMT_DEV:
210 ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | XFS_ILOG_DEXT);
211 if (iip->ili_fields & XFS_ILOG_DEV)
212 ilf->ilf_u.ilfu_rdev = sysv_encode_dev(VFS_I(ip)->i_rdev);
221 xfs_inode_item_format_attr_fork(
222 struct xfs_inode_log_item *iip,
223 struct xfs_inode_log_format *ilf,
224 struct xfs_log_vec *lv,
225 struct xfs_log_iovec **vecp)
227 struct xfs_inode *ip = iip->ili_inode;
230 switch (ip->i_afp->if_format) {
231 case XFS_DINODE_FMT_EXTENTS:
233 ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT);
235 if ((iip->ili_fields & XFS_ILOG_AEXT) &&
236 ip->i_afp->if_nextents > 0 &&
237 ip->i_afp->if_bytes > 0) {
238 struct xfs_bmbt_rec *p;
240 ASSERT(xfs_iext_count(ip->i_afp) ==
241 ip->i_afp->if_nextents);
243 p = xlog_prepare_iovec(lv, vecp, XLOG_REG_TYPE_IATTR_EXT);
244 data_bytes = xfs_iextents_copy(ip, p, XFS_ATTR_FORK);
245 xlog_finish_iovec(lv, *vecp, data_bytes);
247 ilf->ilf_asize = data_bytes;
250 iip->ili_fields &= ~XFS_ILOG_AEXT;
253 case XFS_DINODE_FMT_BTREE:
255 ~(XFS_ILOG_ADATA | XFS_ILOG_AEXT);
257 if ((iip->ili_fields & XFS_ILOG_ABROOT) &&
258 ip->i_afp->if_broot_bytes > 0) {
259 ASSERT(ip->i_afp->if_broot != NULL);
261 xlog_copy_iovec(lv, vecp, XLOG_REG_TYPE_IATTR_BROOT,
263 ip->i_afp->if_broot_bytes);
264 ilf->ilf_asize = ip->i_afp->if_broot_bytes;
267 iip->ili_fields &= ~XFS_ILOG_ABROOT;
270 case XFS_DINODE_FMT_LOCAL:
272 ~(XFS_ILOG_AEXT | XFS_ILOG_ABROOT);
274 if ((iip->ili_fields & XFS_ILOG_ADATA) &&
275 ip->i_afp->if_bytes > 0) {
277 * Round i_bytes up to a word boundary.
278 * The underlying memory is guaranteed
279 * to be there by xfs_idata_realloc().
281 data_bytes = roundup(ip->i_afp->if_bytes, 4);
282 ASSERT(ip->i_afp->if_u1.if_data != NULL);
283 xlog_copy_iovec(lv, vecp, XLOG_REG_TYPE_IATTR_LOCAL,
284 ip->i_afp->if_u1.if_data,
286 ilf->ilf_asize = (unsigned)data_bytes;
289 iip->ili_fields &= ~XFS_ILOG_ADATA;
299 xfs_inode_to_log_dinode(
300 struct xfs_inode *ip,
301 struct xfs_log_dinode *to,
304 struct xfs_icdinode *from = &ip->i_d;
305 struct inode *inode = VFS_I(ip);
307 to->di_magic = XFS_DINODE_MAGIC;
308 to->di_format = xfs_ifork_format(&ip->i_df);
309 to->di_uid = i_uid_read(inode);
310 to->di_gid = i_gid_read(inode);
311 to->di_projid_lo = from->di_projid & 0xffff;
312 to->di_projid_hi = from->di_projid >> 16;
314 memset(to->di_pad, 0, sizeof(to->di_pad));
315 memset(to->di_pad3, 0, sizeof(to->di_pad3));
316 to->di_atime.t_sec = inode->i_atime.tv_sec;
317 to->di_atime.t_nsec = inode->i_atime.tv_nsec;
318 to->di_mtime.t_sec = inode->i_mtime.tv_sec;
319 to->di_mtime.t_nsec = inode->i_mtime.tv_nsec;
320 to->di_ctime.t_sec = inode->i_ctime.tv_sec;
321 to->di_ctime.t_nsec = inode->i_ctime.tv_nsec;
322 to->di_nlink = inode->i_nlink;
323 to->di_gen = inode->i_generation;
324 to->di_mode = inode->i_mode;
326 to->di_size = from->di_size;
327 to->di_nblocks = from->di_nblocks;
328 to->di_extsize = from->di_extsize;
329 to->di_nextents = xfs_ifork_nextents(&ip->i_df);
330 to->di_anextents = xfs_ifork_nextents(ip->i_afp);
331 to->di_forkoff = from->di_forkoff;
332 to->di_aformat = xfs_ifork_format(ip->i_afp);
333 to->di_dmevmask = from->di_dmevmask;
334 to->di_dmstate = from->di_dmstate;
335 to->di_flags = from->di_flags;
337 /* log a dummy value to ensure log structure is fully initialised */
338 to->di_next_unlinked = NULLAGINO;
340 if (xfs_sb_version_has_v3inode(&ip->i_mount->m_sb)) {
342 to->di_changecount = inode_peek_iversion(inode);
343 to->di_crtime.t_sec = from->di_crtime.tv_sec;
344 to->di_crtime.t_nsec = from->di_crtime.tv_nsec;
345 to->di_flags2 = from->di_flags2;
346 to->di_cowextsize = from->di_cowextsize;
347 to->di_ino = ip->i_ino;
349 memset(to->di_pad2, 0, sizeof(to->di_pad2));
350 uuid_copy(&to->di_uuid, &ip->i_mount->m_sb.sb_meta_uuid);
351 to->di_flushiter = 0;
354 to->di_flushiter = from->di_flushiter;
359 * Format the inode core. Current timestamp data is only in the VFS inode
360 * fields, so we need to grab them from there. Hence rather than just copying
361 * the XFS inode core structure, format the fields directly into the iovec.
364 xfs_inode_item_format_core(
365 struct xfs_inode *ip,
366 struct xfs_log_vec *lv,
367 struct xfs_log_iovec **vecp)
369 struct xfs_log_dinode *dic;
371 dic = xlog_prepare_iovec(lv, vecp, XLOG_REG_TYPE_ICORE);
372 xfs_inode_to_log_dinode(ip, dic, ip->i_itemp->ili_item.li_lsn);
373 xlog_finish_iovec(lv, *vecp, xfs_log_dinode_size(ip->i_mount));
377 * This is called to fill in the vector of log iovecs for the given inode
378 * log item. It fills the first item with an inode log format structure,
379 * the second with the on-disk inode structure, and a possible third and/or
380 * fourth with the inode data/extents/b-tree root and inode attributes
381 * data/extents/b-tree root.
383 * Note: Always use the 64 bit inode log format structure so we don't
384 * leave an uninitialised hole in the format item on 64 bit systems. Log
385 * recovery on 32 bit systems handles this just fine, so there's no reason
386 * for not using an initialising the properly padded structure all the time.
389 xfs_inode_item_format(
390 struct xfs_log_item *lip,
391 struct xfs_log_vec *lv)
393 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
394 struct xfs_inode *ip = iip->ili_inode;
395 struct xfs_log_iovec *vecp = NULL;
396 struct xfs_inode_log_format *ilf;
398 ilf = xlog_prepare_iovec(lv, &vecp, XLOG_REG_TYPE_IFORMAT);
399 ilf->ilf_type = XFS_LI_INODE;
400 ilf->ilf_ino = ip->i_ino;
401 ilf->ilf_blkno = ip->i_imap.im_blkno;
402 ilf->ilf_len = ip->i_imap.im_len;
403 ilf->ilf_boffset = ip->i_imap.im_boffset;
404 ilf->ilf_fields = XFS_ILOG_CORE;
405 ilf->ilf_size = 2; /* format + core */
408 * make sure we don't leak uninitialised data into the log in the case
409 * when we don't log every field in the inode.
414 memset(&ilf->ilf_u, 0, sizeof(ilf->ilf_u));
416 xlog_finish_iovec(lv, vecp, sizeof(*ilf));
418 xfs_inode_item_format_core(ip, lv, &vecp);
419 xfs_inode_item_format_data_fork(iip, ilf, lv, &vecp);
420 if (XFS_IFORK_Q(ip)) {
421 xfs_inode_item_format_attr_fork(iip, ilf, lv, &vecp);
424 ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT);
427 /* update the format with the exact fields we actually logged */
428 ilf->ilf_fields |= (iip->ili_fields & ~XFS_ILOG_TIMESTAMP);
432 * This is called to pin the inode associated with the inode log
433 * item in memory so it cannot be written out.
437 struct xfs_log_item *lip)
439 struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode;
441 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
444 trace_xfs_inode_pin(ip, _RET_IP_);
445 atomic_inc(&ip->i_pincount);
450 * This is called to unpin the inode associated with the inode log
451 * item which was previously pinned with a call to xfs_inode_item_pin().
453 * Also wake up anyone in xfs_iunpin_wait() if the count goes to 0.
455 * Note that unpin can race with inode cluster buffer freeing marking the buffer
456 * stale. In that case, flush completions are run from the buffer unpin call,
457 * which may happen before the inode is unpinned. If we lose the race, there
458 * will be no buffer attached to the log item, but the inode will be marked
462 xfs_inode_item_unpin(
463 struct xfs_log_item *lip,
466 struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode;
468 trace_xfs_inode_unpin(ip, _RET_IP_);
469 ASSERT(lip->li_buf || xfs_iflags_test(ip, XFS_ISTALE));
470 ASSERT(atomic_read(&ip->i_pincount) > 0);
471 if (atomic_dec_and_test(&ip->i_pincount))
472 wake_up_bit(&ip->i_flags, __XFS_IPINNED_BIT);
477 struct xfs_log_item *lip,
478 struct list_head *buffer_list)
479 __releases(&lip->li_ailp->ail_lock)
480 __acquires(&lip->li_ailp->ail_lock)
482 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
483 struct xfs_inode *ip = iip->ili_inode;
484 struct xfs_buf *bp = lip->li_buf;
485 uint rval = XFS_ITEM_SUCCESS;
488 ASSERT(iip->ili_item.li_buf);
490 if (xfs_ipincount(ip) > 0 || xfs_buf_ispinned(bp) ||
491 (ip->i_flags & XFS_ISTALE))
492 return XFS_ITEM_PINNED;
494 /* If the inode is already flush locked, we're already flushing. */
495 if (xfs_isiflocked(ip))
496 return XFS_ITEM_FLUSHING;
498 if (!xfs_buf_trylock(bp))
499 return XFS_ITEM_LOCKED;
501 spin_unlock(&lip->li_ailp->ail_lock);
504 * We need to hold a reference for flushing the cluster buffer as it may
505 * fail the buffer without IO submission. In which case, we better get a
506 * reference for that completion because otherwise we don't get a
507 * reference for IO until we queue the buffer for delwri submission.
510 error = xfs_iflush_cluster(bp);
512 if (!xfs_buf_delwri_queue(bp, buffer_list))
513 rval = XFS_ITEM_FLUSHING;
517 * Release the buffer if we were unable to flush anything. On
518 * any other error, the buffer has already been released.
520 if (error == -EAGAIN)
522 rval = XFS_ITEM_LOCKED;
525 spin_lock(&lip->li_ailp->ail_lock);
530 * Unlock the inode associated with the inode log item.
533 xfs_inode_item_release(
534 struct xfs_log_item *lip)
536 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
537 struct xfs_inode *ip = iip->ili_inode;
538 unsigned short lock_flags;
540 ASSERT(ip->i_itemp != NULL);
541 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
543 lock_flags = iip->ili_lock_flags;
544 iip->ili_lock_flags = 0;
546 xfs_iunlock(ip, lock_flags);
550 * This is called to find out where the oldest active copy of the inode log
551 * item in the on disk log resides now that the last log write of it completed
552 * at the given lsn. Since we always re-log all dirty data in an inode, the
553 * latest copy in the on disk log is the only one that matters. Therefore,
554 * simply return the given lsn.
556 * If the inode has been marked stale because the cluster is being freed, we
557 * don't want to (re-)insert this inode into the AIL. There is a race condition
558 * where the cluster buffer may be unpinned before the inode is inserted into
559 * the AIL during transaction committed processing. If the buffer is unpinned
560 * before the inode item has been committed and inserted, then it is possible
561 * for the buffer to be written and IO completes before the inode is inserted
562 * into the AIL. In that case, we'd be inserting a clean, stale inode into the
563 * AIL which will never get removed. It will, however, get reclaimed which
564 * triggers an assert in xfs_inode_free() complaining about freein an inode
567 * To avoid this, just unpin the inode directly and return a LSN of -1 so the
568 * transaction committed code knows that it does not need to do any further
569 * processing on the item.
572 xfs_inode_item_committed(
573 struct xfs_log_item *lip,
576 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
577 struct xfs_inode *ip = iip->ili_inode;
579 if (xfs_iflags_test(ip, XFS_ISTALE)) {
580 xfs_inode_item_unpin(lip, 0);
587 xfs_inode_item_committing(
588 struct xfs_log_item *lip,
589 xfs_lsn_t commit_lsn)
591 INODE_ITEM(lip)->ili_last_lsn = commit_lsn;
592 return xfs_inode_item_release(lip);
595 static const struct xfs_item_ops xfs_inode_item_ops = {
596 .iop_size = xfs_inode_item_size,
597 .iop_format = xfs_inode_item_format,
598 .iop_pin = xfs_inode_item_pin,
599 .iop_unpin = xfs_inode_item_unpin,
600 .iop_release = xfs_inode_item_release,
601 .iop_committed = xfs_inode_item_committed,
602 .iop_push = xfs_inode_item_push,
603 .iop_committing = xfs_inode_item_committing,
608 * Initialize the inode log item for a newly allocated (in-core) inode.
612 struct xfs_inode *ip,
613 struct xfs_mount *mp)
615 struct xfs_inode_log_item *iip;
617 ASSERT(ip->i_itemp == NULL);
618 iip = ip->i_itemp = kmem_cache_zalloc(xfs_ili_zone,
619 GFP_KERNEL | __GFP_NOFAIL);
622 spin_lock_init(&iip->ili_lock);
623 xfs_log_item_init(mp, &iip->ili_item, XFS_LI_INODE,
624 &xfs_inode_item_ops);
628 * Free the inode log item and any memory hanging off of it.
631 xfs_inode_item_destroy(
632 struct xfs_inode *ip)
634 struct xfs_inode_log_item *iip = ip->i_itemp;
636 ASSERT(iip->ili_item.li_buf == NULL);
639 kmem_free(iip->ili_item.li_lv_shadow);
640 kmem_cache_free(xfs_ili_zone, iip);
645 * We only want to pull the item from the AIL if it is actually there
646 * and its location in the log has not changed since we started the
647 * flush. Thus, we only bother if the inode's lsn has not changed.
650 xfs_iflush_ail_updates(
651 struct xfs_ail *ailp,
652 struct list_head *list)
654 struct xfs_log_item *lip;
655 xfs_lsn_t tail_lsn = 0;
657 /* this is an opencoded batch version of xfs_trans_ail_delete */
658 spin_lock(&ailp->ail_lock);
659 list_for_each_entry(lip, list, li_bio_list) {
662 clear_bit(XFS_LI_FAILED, &lip->li_flags);
663 if (INODE_ITEM(lip)->ili_flush_lsn != lip->li_lsn)
666 lsn = xfs_ail_delete_one(ailp, lip);
667 if (!tail_lsn && lsn)
670 xfs_ail_update_finish(ailp, tail_lsn);
674 * Walk the list of inodes that have completed their IOs. If they are clean
675 * remove them from the list and dissociate them from the buffer. Buffers that
676 * are still dirty remain linked to the buffer and on the list. Caller must
677 * handle them appropriately.
682 struct list_head *list)
684 struct xfs_log_item *lip, *n;
686 list_for_each_entry_safe(lip, n, list, li_bio_list) {
687 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
688 bool drop_buffer = false;
690 spin_lock(&iip->ili_lock);
693 * Remove the reference to the cluster buffer if the inode is
694 * clean in memory and drop the buffer reference once we've
695 * dropped the locks we hold.
697 ASSERT(iip->ili_item.li_buf == bp);
698 if (!iip->ili_fields) {
699 iip->ili_item.li_buf = NULL;
700 list_del_init(&lip->li_bio_list);
703 iip->ili_last_fields = 0;
704 iip->ili_flush_lsn = 0;
705 spin_unlock(&iip->ili_lock);
706 xfs_ifunlock(iip->ili_inode);
713 * Inode buffer IO completion routine. It is responsible for removing inodes
714 * attached to the buffer from the AIL if they have not been re-logged, as well
715 * as completing the flush and unlocking the inode.
721 struct xfs_log_item *lip, *n;
722 LIST_HEAD(flushed_inodes);
723 LIST_HEAD(ail_updates);
726 * Pull the attached inodes from the buffer one at a time and take the
727 * appropriate action on them.
729 list_for_each_entry_safe(lip, n, &bp->b_li_list, li_bio_list) {
730 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
732 if (xfs_iflags_test(iip->ili_inode, XFS_ISTALE)) {
733 xfs_iflush_abort(iip->ili_inode);
736 if (!iip->ili_last_fields)
739 /* Do an unlocked check for needing the AIL lock. */
740 if (iip->ili_flush_lsn == lip->li_lsn ||
741 test_bit(XFS_LI_FAILED, &lip->li_flags))
742 list_move_tail(&lip->li_bio_list, &ail_updates);
744 list_move_tail(&lip->li_bio_list, &flushed_inodes);
747 if (!list_empty(&ail_updates)) {
748 xfs_iflush_ail_updates(bp->b_mount->m_ail, &ail_updates);
749 list_splice_tail(&ail_updates, &flushed_inodes);
752 xfs_iflush_finish(bp, &flushed_inodes);
753 if (!list_empty(&flushed_inodes))
754 list_splice_tail(&flushed_inodes, &bp->b_li_list);
758 * This is the inode flushing abort routine. It is called from xfs_iflush when
759 * the filesystem is shutting down to clean up the inode state. It is
760 * responsible for removing the inode item from the AIL if it has not been
761 * re-logged, and unlocking the inode's flush lock.
765 struct xfs_inode *ip)
767 struct xfs_inode_log_item *iip = ip->i_itemp;
768 struct xfs_buf *bp = NULL;
772 * Clear the failed bit before removing the item from the AIL so
773 * xfs_trans_ail_delete() doesn't try to clear and release the
774 * buffer attached to the log item before we are done with it.
776 clear_bit(XFS_LI_FAILED, &iip->ili_item.li_flags);
777 xfs_trans_ail_delete(&iip->ili_item, 0);
780 * Clear the inode logging fields so no more flushes are
783 spin_lock(&iip->ili_lock);
784 iip->ili_last_fields = 0;
786 iip->ili_fsync_fields = 0;
787 iip->ili_flush_lsn = 0;
788 bp = iip->ili_item.li_buf;
789 iip->ili_item.li_buf = NULL;
790 list_del_init(&iip->ili_item.li_bio_list);
791 spin_unlock(&iip->ili_lock);
799 * convert an xfs_inode_log_format struct from the old 32 bit version
800 * (which can have different field alignments) to the native 64 bit version
803 xfs_inode_item_format_convert(
804 struct xfs_log_iovec *buf,
805 struct xfs_inode_log_format *in_f)
807 struct xfs_inode_log_format_32 *in_f32 = buf->i_addr;
809 if (buf->i_len != sizeof(*in_f32)) {
810 XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
811 return -EFSCORRUPTED;
814 in_f->ilf_type = in_f32->ilf_type;
815 in_f->ilf_size = in_f32->ilf_size;
816 in_f->ilf_fields = in_f32->ilf_fields;
817 in_f->ilf_asize = in_f32->ilf_asize;
818 in_f->ilf_dsize = in_f32->ilf_dsize;
819 in_f->ilf_ino = in_f32->ilf_ino;
820 memcpy(&in_f->ilf_u, &in_f32->ilf_u, sizeof(in_f->ilf_u));
821 in_f->ilf_blkno = in_f32->ilf_blkno;
822 in_f->ilf_len = in_f32->ilf_len;
823 in_f->ilf_boffset = in_f32->ilf_boffset;