2 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include "xfs_format.h"
21 #include "xfs_log_format.h"
22 #include "xfs_trans_resv.h"
23 #include "xfs_mount.h"
24 #include "xfs_inode.h"
25 #include "xfs_trans.h"
26 #include "xfs_inode_item.h"
27 #include "xfs_error.h"
28 #include "xfs_trace.h"
29 #include "xfs_trans_priv.h"
30 #include "xfs_buf_item.h"
33 #include <linux/iversion.h>
35 kmem_zone_t *xfs_ili_zone; /* inode log item zone */
37 static inline struct xfs_inode_log_item *INODE_ITEM(struct xfs_log_item *lip)
39 return container_of(lip, struct xfs_inode_log_item, ili_item);
43 xfs_inode_item_data_fork_size(
44 struct xfs_inode_log_item *iip,
48 struct xfs_inode *ip = iip->ili_inode;
50 switch (ip->i_d.di_format) {
51 case XFS_DINODE_FMT_EXTENTS:
52 if ((iip->ili_fields & XFS_ILOG_DEXT) &&
53 ip->i_d.di_nextents > 0 &&
54 ip->i_df.if_bytes > 0) {
55 /* worst case, doesn't subtract delalloc extents */
56 *nbytes += XFS_IFORK_DSIZE(ip);
60 case XFS_DINODE_FMT_BTREE:
61 if ((iip->ili_fields & XFS_ILOG_DBROOT) &&
62 ip->i_df.if_broot_bytes > 0) {
63 *nbytes += ip->i_df.if_broot_bytes;
67 case XFS_DINODE_FMT_LOCAL:
68 if ((iip->ili_fields & XFS_ILOG_DDATA) &&
69 ip->i_df.if_bytes > 0) {
70 *nbytes += roundup(ip->i_df.if_bytes, 4);
75 case XFS_DINODE_FMT_DEV:
84 xfs_inode_item_attr_fork_size(
85 struct xfs_inode_log_item *iip,
89 struct xfs_inode *ip = iip->ili_inode;
91 switch (ip->i_d.di_aformat) {
92 case XFS_DINODE_FMT_EXTENTS:
93 if ((iip->ili_fields & XFS_ILOG_AEXT) &&
94 ip->i_d.di_anextents > 0 &&
95 ip->i_afp->if_bytes > 0) {
96 /* worst case, doesn't subtract unused space */
97 *nbytes += XFS_IFORK_ASIZE(ip);
101 case XFS_DINODE_FMT_BTREE:
102 if ((iip->ili_fields & XFS_ILOG_ABROOT) &&
103 ip->i_afp->if_broot_bytes > 0) {
104 *nbytes += ip->i_afp->if_broot_bytes;
108 case XFS_DINODE_FMT_LOCAL:
109 if ((iip->ili_fields & XFS_ILOG_ADATA) &&
110 ip->i_afp->if_bytes > 0) {
111 *nbytes += roundup(ip->i_afp->if_bytes, 4);
122 * This returns the number of iovecs needed to log the given inode item.
124 * We need one iovec for the inode log format structure, one for the
125 * inode core, and possibly one for the inode data/extents/b-tree root
126 * and one for the inode attribute data/extents/b-tree root.
130 struct xfs_log_item *lip,
134 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
135 struct xfs_inode *ip = iip->ili_inode;
138 *nbytes += sizeof(struct xfs_inode_log_format) +
139 xfs_log_dinode_size(ip->i_d.di_version);
141 xfs_inode_item_data_fork_size(iip, nvecs, nbytes);
143 xfs_inode_item_attr_fork_size(iip, nvecs, nbytes);
147 xfs_inode_item_format_data_fork(
148 struct xfs_inode_log_item *iip,
149 struct xfs_inode_log_format *ilf,
150 struct xfs_log_vec *lv,
151 struct xfs_log_iovec **vecp)
153 struct xfs_inode *ip = iip->ili_inode;
156 switch (ip->i_d.di_format) {
157 case XFS_DINODE_FMT_EXTENTS:
159 ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | XFS_ILOG_DEV);
161 if ((iip->ili_fields & XFS_ILOG_DEXT) &&
162 ip->i_d.di_nextents > 0 &&
163 ip->i_df.if_bytes > 0) {
164 struct xfs_bmbt_rec *p;
166 ASSERT(xfs_iext_count(&ip->i_df) > 0);
168 p = xlog_prepare_iovec(lv, vecp, XLOG_REG_TYPE_IEXT);
169 data_bytes = xfs_iextents_copy(ip, p, XFS_DATA_FORK);
170 xlog_finish_iovec(lv, *vecp, data_bytes);
172 ASSERT(data_bytes <= ip->i_df.if_bytes);
174 ilf->ilf_dsize = data_bytes;
177 iip->ili_fields &= ~XFS_ILOG_DEXT;
180 case XFS_DINODE_FMT_BTREE:
182 ~(XFS_ILOG_DDATA | XFS_ILOG_DEXT | XFS_ILOG_DEV);
184 if ((iip->ili_fields & XFS_ILOG_DBROOT) &&
185 ip->i_df.if_broot_bytes > 0) {
186 ASSERT(ip->i_df.if_broot != NULL);
187 xlog_copy_iovec(lv, vecp, XLOG_REG_TYPE_IBROOT,
189 ip->i_df.if_broot_bytes);
190 ilf->ilf_dsize = ip->i_df.if_broot_bytes;
193 ASSERT(!(iip->ili_fields &
195 iip->ili_fields &= ~XFS_ILOG_DBROOT;
198 case XFS_DINODE_FMT_LOCAL:
200 ~(XFS_ILOG_DEXT | XFS_ILOG_DBROOT | XFS_ILOG_DEV);
201 if ((iip->ili_fields & XFS_ILOG_DDATA) &&
202 ip->i_df.if_bytes > 0) {
204 * Round i_bytes up to a word boundary.
205 * The underlying memory is guaranteed to
206 * to be there by xfs_idata_realloc().
208 data_bytes = roundup(ip->i_df.if_bytes, 4);
209 ASSERT(ip->i_df.if_real_bytes == 0 ||
210 ip->i_df.if_real_bytes >= data_bytes);
211 ASSERT(ip->i_df.if_u1.if_data != NULL);
212 ASSERT(ip->i_d.di_size > 0);
213 xlog_copy_iovec(lv, vecp, XLOG_REG_TYPE_ILOCAL,
214 ip->i_df.if_u1.if_data, data_bytes);
215 ilf->ilf_dsize = (unsigned)data_bytes;
218 iip->ili_fields &= ~XFS_ILOG_DDATA;
221 case XFS_DINODE_FMT_DEV:
223 ~(XFS_ILOG_DDATA | XFS_ILOG_DBROOT | XFS_ILOG_DEXT);
224 if (iip->ili_fields & XFS_ILOG_DEV)
225 ilf->ilf_u.ilfu_rdev = sysv_encode_dev(VFS_I(ip)->i_rdev);
234 xfs_inode_item_format_attr_fork(
235 struct xfs_inode_log_item *iip,
236 struct xfs_inode_log_format *ilf,
237 struct xfs_log_vec *lv,
238 struct xfs_log_iovec **vecp)
240 struct xfs_inode *ip = iip->ili_inode;
243 switch (ip->i_d.di_aformat) {
244 case XFS_DINODE_FMT_EXTENTS:
246 ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT);
248 if ((iip->ili_fields & XFS_ILOG_AEXT) &&
249 ip->i_d.di_anextents > 0 &&
250 ip->i_afp->if_bytes > 0) {
251 struct xfs_bmbt_rec *p;
253 ASSERT(xfs_iext_count(ip->i_afp) ==
254 ip->i_d.di_anextents);
256 p = xlog_prepare_iovec(lv, vecp, XLOG_REG_TYPE_IATTR_EXT);
257 data_bytes = xfs_iextents_copy(ip, p, XFS_ATTR_FORK);
258 xlog_finish_iovec(lv, *vecp, data_bytes);
260 ilf->ilf_asize = data_bytes;
263 iip->ili_fields &= ~XFS_ILOG_AEXT;
266 case XFS_DINODE_FMT_BTREE:
268 ~(XFS_ILOG_ADATA | XFS_ILOG_AEXT);
270 if ((iip->ili_fields & XFS_ILOG_ABROOT) &&
271 ip->i_afp->if_broot_bytes > 0) {
272 ASSERT(ip->i_afp->if_broot != NULL);
274 xlog_copy_iovec(lv, vecp, XLOG_REG_TYPE_IATTR_BROOT,
276 ip->i_afp->if_broot_bytes);
277 ilf->ilf_asize = ip->i_afp->if_broot_bytes;
280 iip->ili_fields &= ~XFS_ILOG_ABROOT;
283 case XFS_DINODE_FMT_LOCAL:
285 ~(XFS_ILOG_AEXT | XFS_ILOG_ABROOT);
287 if ((iip->ili_fields & XFS_ILOG_ADATA) &&
288 ip->i_afp->if_bytes > 0) {
290 * Round i_bytes up to a word boundary.
291 * The underlying memory is guaranteed to
292 * to be there by xfs_idata_realloc().
294 data_bytes = roundup(ip->i_afp->if_bytes, 4);
295 ASSERT(ip->i_afp->if_real_bytes == 0 ||
296 ip->i_afp->if_real_bytes >= data_bytes);
297 ASSERT(ip->i_afp->if_u1.if_data != NULL);
298 xlog_copy_iovec(lv, vecp, XLOG_REG_TYPE_IATTR_LOCAL,
299 ip->i_afp->if_u1.if_data,
301 ilf->ilf_asize = (unsigned)data_bytes;
304 iip->ili_fields &= ~XFS_ILOG_ADATA;
314 xfs_inode_to_log_dinode(
315 struct xfs_inode *ip,
316 struct xfs_log_dinode *to,
319 struct xfs_icdinode *from = &ip->i_d;
320 struct inode *inode = VFS_I(ip);
322 to->di_magic = XFS_DINODE_MAGIC;
324 to->di_version = from->di_version;
325 to->di_format = from->di_format;
326 to->di_uid = from->di_uid;
327 to->di_gid = from->di_gid;
328 to->di_projid_lo = from->di_projid_lo;
329 to->di_projid_hi = from->di_projid_hi;
331 memset(to->di_pad, 0, sizeof(to->di_pad));
332 memset(to->di_pad3, 0, sizeof(to->di_pad3));
333 to->di_atime.t_sec = inode->i_atime.tv_sec;
334 to->di_atime.t_nsec = inode->i_atime.tv_nsec;
335 to->di_mtime.t_sec = inode->i_mtime.tv_sec;
336 to->di_mtime.t_nsec = inode->i_mtime.tv_nsec;
337 to->di_ctime.t_sec = inode->i_ctime.tv_sec;
338 to->di_ctime.t_nsec = inode->i_ctime.tv_nsec;
339 to->di_nlink = inode->i_nlink;
340 to->di_gen = inode->i_generation;
341 to->di_mode = inode->i_mode;
343 to->di_size = from->di_size;
344 to->di_nblocks = from->di_nblocks;
345 to->di_extsize = from->di_extsize;
346 to->di_nextents = from->di_nextents;
347 to->di_anextents = from->di_anextents;
348 to->di_forkoff = from->di_forkoff;
349 to->di_aformat = from->di_aformat;
350 to->di_dmevmask = from->di_dmevmask;
351 to->di_dmstate = from->di_dmstate;
352 to->di_flags = from->di_flags;
354 /* log a dummy value to ensure log structure is fully initialised */
355 to->di_next_unlinked = NULLAGINO;
357 if (from->di_version == 3) {
358 to->di_changecount = inode_peek_iversion(inode);
359 to->di_crtime.t_sec = from->di_crtime.t_sec;
360 to->di_crtime.t_nsec = from->di_crtime.t_nsec;
361 to->di_flags2 = from->di_flags2;
362 to->di_cowextsize = from->di_cowextsize;
363 to->di_ino = ip->i_ino;
365 memset(to->di_pad2, 0, sizeof(to->di_pad2));
366 uuid_copy(&to->di_uuid, &ip->i_mount->m_sb.sb_meta_uuid);
367 to->di_flushiter = 0;
369 to->di_flushiter = from->di_flushiter;
374 * Format the inode core. Current timestamp data is only in the VFS inode
375 * fields, so we need to grab them from there. Hence rather than just copying
376 * the XFS inode core structure, format the fields directly into the iovec.
379 xfs_inode_item_format_core(
380 struct xfs_inode *ip,
381 struct xfs_log_vec *lv,
382 struct xfs_log_iovec **vecp)
384 struct xfs_log_dinode *dic;
386 dic = xlog_prepare_iovec(lv, vecp, XLOG_REG_TYPE_ICORE);
387 xfs_inode_to_log_dinode(ip, dic, ip->i_itemp->ili_item.li_lsn);
388 xlog_finish_iovec(lv, *vecp, xfs_log_dinode_size(ip->i_d.di_version));
392 * This is called to fill in the vector of log iovecs for the given inode
393 * log item. It fills the first item with an inode log format structure,
394 * the second with the on-disk inode structure, and a possible third and/or
395 * fourth with the inode data/extents/b-tree root and inode attributes
396 * data/extents/b-tree root.
398 * Note: Always use the 64 bit inode log format structure so we don't
399 * leave an uninitialised hole in the format item on 64 bit systems. Log
400 * recovery on 32 bit systems handles this just fine, so there's no reason
401 * for not using an initialising the properly padded structure all the time.
404 xfs_inode_item_format(
405 struct xfs_log_item *lip,
406 struct xfs_log_vec *lv)
408 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
409 struct xfs_inode *ip = iip->ili_inode;
410 struct xfs_log_iovec *vecp = NULL;
411 struct xfs_inode_log_format *ilf;
413 ASSERT(ip->i_d.di_version > 1);
415 ilf = xlog_prepare_iovec(lv, &vecp, XLOG_REG_TYPE_IFORMAT);
416 ilf->ilf_type = XFS_LI_INODE;
417 ilf->ilf_ino = ip->i_ino;
418 ilf->ilf_blkno = ip->i_imap.im_blkno;
419 ilf->ilf_len = ip->i_imap.im_len;
420 ilf->ilf_boffset = ip->i_imap.im_boffset;
421 ilf->ilf_fields = XFS_ILOG_CORE;
422 ilf->ilf_size = 2; /* format + core */
425 * make sure we don't leak uninitialised data into the log in the case
426 * when we don't log every field in the inode.
431 memset(&ilf->ilf_u, 0, sizeof(ilf->ilf_u));
433 xlog_finish_iovec(lv, vecp, sizeof(*ilf));
435 xfs_inode_item_format_core(ip, lv, &vecp);
436 xfs_inode_item_format_data_fork(iip, ilf, lv, &vecp);
437 if (XFS_IFORK_Q(ip)) {
438 xfs_inode_item_format_attr_fork(iip, ilf, lv, &vecp);
441 ~(XFS_ILOG_ADATA | XFS_ILOG_ABROOT | XFS_ILOG_AEXT);
444 /* update the format with the exact fields we actually logged */
445 ilf->ilf_fields |= (iip->ili_fields & ~XFS_ILOG_TIMESTAMP);
449 * This is called to pin the inode associated with the inode log
450 * item in memory so it cannot be written out.
454 struct xfs_log_item *lip)
456 struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode;
458 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
460 trace_xfs_inode_pin(ip, _RET_IP_);
461 atomic_inc(&ip->i_pincount);
466 * This is called to unpin the inode associated with the inode log
467 * item which was previously pinned with a call to xfs_inode_item_pin().
469 * Also wake up anyone in xfs_iunpin_wait() if the count goes to 0.
472 xfs_inode_item_unpin(
473 struct xfs_log_item *lip,
476 struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode;
478 trace_xfs_inode_unpin(ip, _RET_IP_);
479 ASSERT(atomic_read(&ip->i_pincount) > 0);
480 if (atomic_dec_and_test(&ip->i_pincount))
481 wake_up_bit(&ip->i_flags, __XFS_IPINNED_BIT);
485 * Callback used to mark a buffer with XFS_LI_FAILED when items in the buffer
486 * have been failed during writeback
488 * This informs the AIL that the inode is already flush locked on the next push,
489 * and acquires a hold on the buffer to ensure that it isn't reclaimed before
490 * dirty data makes it to disk.
493 xfs_inode_item_error(
494 struct xfs_log_item *lip,
497 ASSERT(xfs_isiflocked(INODE_ITEM(lip)->ili_inode));
498 xfs_set_li_failed(lip, bp);
503 struct xfs_log_item *lip,
504 struct list_head *buffer_list)
505 __releases(&lip->li_ailp->ail_lock)
506 __acquires(&lip->li_ailp->ail_lock)
508 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
509 struct xfs_inode *ip = iip->ili_inode;
510 struct xfs_buf *bp = lip->li_buf;
511 uint rval = XFS_ITEM_SUCCESS;
514 if (xfs_ipincount(ip) > 0)
515 return XFS_ITEM_PINNED;
518 * The buffer containing this item failed to be written back
519 * previously. Resubmit the buffer for IO.
521 if (lip->li_flags & XFS_LI_FAILED) {
522 if (!xfs_buf_trylock(bp))
523 return XFS_ITEM_LOCKED;
525 if (!xfs_buf_resubmit_failed_buffers(bp, buffer_list))
526 rval = XFS_ITEM_FLUSHING;
532 if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED))
533 return XFS_ITEM_LOCKED;
536 * Re-check the pincount now that we stabilized the value by
539 if (xfs_ipincount(ip) > 0) {
540 rval = XFS_ITEM_PINNED;
545 * Stale inode items should force out the iclog.
547 if (ip->i_flags & XFS_ISTALE) {
548 rval = XFS_ITEM_PINNED;
553 * Someone else is already flushing the inode. Nothing we can do
554 * here but wait for the flush to finish and remove the item from
557 if (!xfs_iflock_nowait(ip)) {
558 rval = XFS_ITEM_FLUSHING;
562 ASSERT(iip->ili_fields != 0 || XFS_FORCED_SHUTDOWN(ip->i_mount));
563 ASSERT(iip->ili_logged == 0 || XFS_FORCED_SHUTDOWN(ip->i_mount));
565 spin_unlock(&lip->li_ailp->ail_lock);
567 error = xfs_iflush(ip, &bp);
569 if (!xfs_buf_delwri_queue(bp, buffer_list))
570 rval = XFS_ITEM_FLUSHING;
574 spin_lock(&lip->li_ailp->ail_lock);
576 xfs_iunlock(ip, XFS_ILOCK_SHARED);
581 * Unlock the inode associated with the inode log item.
584 xfs_inode_item_unlock(
585 struct xfs_log_item *lip)
587 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
588 struct xfs_inode *ip = iip->ili_inode;
589 unsigned short lock_flags;
591 ASSERT(ip->i_itemp != NULL);
592 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
594 lock_flags = iip->ili_lock_flags;
595 iip->ili_lock_flags = 0;
597 xfs_iunlock(ip, lock_flags);
601 * This is called to find out where the oldest active copy of the inode log
602 * item in the on disk log resides now that the last log write of it completed
603 * at the given lsn. Since we always re-log all dirty data in an inode, the
604 * latest copy in the on disk log is the only one that matters. Therefore,
605 * simply return the given lsn.
607 * If the inode has been marked stale because the cluster is being freed, we
608 * don't want to (re-)insert this inode into the AIL. There is a race condition
609 * where the cluster buffer may be unpinned before the inode is inserted into
610 * the AIL during transaction committed processing. If the buffer is unpinned
611 * before the inode item has been committed and inserted, then it is possible
612 * for the buffer to be written and IO completes before the inode is inserted
613 * into the AIL. In that case, we'd be inserting a clean, stale inode into the
614 * AIL which will never get removed. It will, however, get reclaimed which
615 * triggers an assert in xfs_inode_free() complaining about freein an inode
618 * To avoid this, just unpin the inode directly and return a LSN of -1 so the
619 * transaction committed code knows that it does not need to do any further
620 * processing on the item.
623 xfs_inode_item_committed(
624 struct xfs_log_item *lip,
627 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
628 struct xfs_inode *ip = iip->ili_inode;
630 if (xfs_iflags_test(ip, XFS_ISTALE)) {
631 xfs_inode_item_unpin(lip, 0);
638 xfs_inode_item_committing(
639 struct xfs_log_item *lip,
642 INODE_ITEM(lip)->ili_last_lsn = lsn;
646 * This is the ops vector shared by all buf log items.
648 static const struct xfs_item_ops xfs_inode_item_ops = {
649 .iop_size = xfs_inode_item_size,
650 .iop_format = xfs_inode_item_format,
651 .iop_pin = xfs_inode_item_pin,
652 .iop_unpin = xfs_inode_item_unpin,
653 .iop_unlock = xfs_inode_item_unlock,
654 .iop_committed = xfs_inode_item_committed,
655 .iop_push = xfs_inode_item_push,
656 .iop_committing = xfs_inode_item_committing,
657 .iop_error = xfs_inode_item_error
662 * Initialize the inode log item for a newly allocated (in-core) inode.
666 struct xfs_inode *ip,
667 struct xfs_mount *mp)
669 struct xfs_inode_log_item *iip;
671 ASSERT(ip->i_itemp == NULL);
672 iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, KM_SLEEP);
675 xfs_log_item_init(mp, &iip->ili_item, XFS_LI_INODE,
676 &xfs_inode_item_ops);
680 * Free the inode log item and any memory hanging off of it.
683 xfs_inode_item_destroy(
686 kmem_free(ip->i_itemp->ili_item.li_lv_shadow);
687 kmem_zone_free(xfs_ili_zone, ip->i_itemp);
692 * This is the inode flushing I/O completion routine. It is called
693 * from interrupt level when the buffer containing the inode is
694 * flushed to disk. It is responsible for removing the inode item
695 * from the AIL if it has not been re-logged, and unlocking the inode's
698 * To reduce AIL lock traffic as much as possible, we scan the buffer log item
699 * list for other inodes that will run this function. We remove them from the
700 * buffer list so we can process all the inode IO completions in one AIL lock
706 struct xfs_log_item *lip)
708 struct xfs_inode_log_item *iip;
709 struct xfs_log_item *blip, *n;
710 struct xfs_ail *ailp = lip->li_ailp;
715 * Scan the buffer IO completions for other inodes being completed and
716 * attach them to the current inode log item.
719 list_add_tail(&lip->li_bio_list, &tmp);
721 list_for_each_entry_safe(blip, n, &bp->b_li_list, li_bio_list) {
722 if (lip->li_cb != xfs_iflush_done)
725 list_move_tail(&blip->li_bio_list, &tmp);
727 * while we have the item, do the unlocked check for needing
730 iip = INODE_ITEM(blip);
731 if ((iip->ili_logged && blip->li_lsn == iip->ili_flush_lsn) ||
732 (blip->li_flags & XFS_LI_FAILED))
736 /* make sure we capture the state of the initial inode. */
737 iip = INODE_ITEM(lip);
738 if ((iip->ili_logged && lip->li_lsn == iip->ili_flush_lsn) ||
739 lip->li_flags & XFS_LI_FAILED)
743 * We only want to pull the item from the AIL if it is
744 * actually there and its location in the log has not
745 * changed since we started the flush. Thus, we only bother
746 * if the ili_logged flag is set and the inode's lsn has not
747 * changed. First we check the lsn outside
748 * the lock since it's cheaper, and then we recheck while
749 * holding the lock before removing the inode from the AIL.
752 bool mlip_changed = false;
754 /* this is an opencoded batch version of xfs_trans_ail_delete */
755 spin_lock(&ailp->ail_lock);
756 list_for_each_entry(blip, &tmp, li_bio_list) {
757 if (INODE_ITEM(blip)->ili_logged &&
758 blip->li_lsn == INODE_ITEM(blip)->ili_flush_lsn)
759 mlip_changed |= xfs_ail_delete_one(ailp, blip);
761 xfs_clear_li_failed(blip);
766 if (!XFS_FORCED_SHUTDOWN(ailp->ail_mount))
767 xlog_assign_tail_lsn_locked(ailp->ail_mount);
768 if (list_empty(&ailp->ail_head))
769 wake_up_all(&ailp->ail_empty);
771 spin_unlock(&ailp->ail_lock);
774 xfs_log_space_wake(ailp->ail_mount);
778 * clean up and unlock the flush lock now we are done. We can clear the
779 * ili_last_fields bits now that we know that the data corresponding to
780 * them is safely on disk.
782 list_for_each_entry_safe(blip, n, &tmp, li_bio_list) {
783 list_del_init(&blip->li_bio_list);
784 iip = INODE_ITEM(blip);
786 iip->ili_last_fields = 0;
787 xfs_ifunlock(iip->ili_inode);
793 * This is the inode flushing abort routine. It is called from xfs_iflush when
794 * the filesystem is shutting down to clean up the inode state. It is
795 * responsible for removing the inode item from the AIL if it has not been
796 * re-logged, and unlocking the inode's flush lock.
803 xfs_inode_log_item_t *iip = ip->i_itemp;
806 if (iip->ili_item.li_flags & XFS_LI_IN_AIL) {
807 xfs_trans_ail_remove(&iip->ili_item,
808 stale ? SHUTDOWN_LOG_IO_ERROR :
809 SHUTDOWN_CORRUPT_INCORE);
813 * Clear the ili_last_fields bits now that we know that the
814 * data corresponding to them is safely on disk.
816 iip->ili_last_fields = 0;
818 * Clear the inode logging fields so no more flushes are
822 iip->ili_fsync_fields = 0;
825 * Release the inode's flush lock since we're done with it.
833 struct xfs_log_item *lip)
835 xfs_iflush_abort(INODE_ITEM(lip)->ili_inode, true);
839 * convert an xfs_inode_log_format struct from the old 32 bit version
840 * (which can have different field alignments) to the native 64 bit version
843 xfs_inode_item_format_convert(
844 struct xfs_log_iovec *buf,
845 struct xfs_inode_log_format *in_f)
847 struct xfs_inode_log_format_32 *in_f32 = buf->i_addr;
849 if (buf->i_len != sizeof(*in_f32))
850 return -EFSCORRUPTED;
852 in_f->ilf_type = in_f32->ilf_type;
853 in_f->ilf_size = in_f32->ilf_size;
854 in_f->ilf_fields = in_f32->ilf_fields;
855 in_f->ilf_asize = in_f32->ilf_asize;
856 in_f->ilf_dsize = in_f32->ilf_dsize;
857 in_f->ilf_ino = in_f32->ilf_ino;
858 memcpy(&in_f->ilf_u, &in_f32->ilf_u, sizeof(in_f->ilf_u));
859 in_f->ilf_blkno = in_f32->ilf_blkno;
860 in_f->ilf_len = in_f32->ilf_len;
861 in_f->ilf_boffset = in_f32->ilf_boffset;