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 to
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 to
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));
443 trace_xfs_inode_pin(ip, _RET_IP_);
444 atomic_inc(&ip->i_pincount);
449 * This is called to unpin the inode associated with the inode log
450 * item which was previously pinned with a call to xfs_inode_item_pin().
452 * Also wake up anyone in xfs_iunpin_wait() if the count goes to 0.
455 xfs_inode_item_unpin(
456 struct xfs_log_item *lip,
459 struct xfs_inode *ip = INODE_ITEM(lip)->ili_inode;
461 trace_xfs_inode_unpin(ip, _RET_IP_);
462 ASSERT(atomic_read(&ip->i_pincount) > 0);
463 if (atomic_dec_and_test(&ip->i_pincount))
464 wake_up_bit(&ip->i_flags, __XFS_IPINNED_BIT);
468 * Callback used to mark a buffer with XFS_LI_FAILED when items in the buffer
469 * have been failed during writeback
471 * This informs the AIL that the inode is already flush locked on the next push,
472 * and acquires a hold on the buffer to ensure that it isn't reclaimed before
473 * dirty data makes it to disk.
476 xfs_inode_item_error(
477 struct xfs_log_item *lip,
480 ASSERT(xfs_isiflocked(INODE_ITEM(lip)->ili_inode));
481 xfs_set_li_failed(lip, bp);
486 struct xfs_log_item *lip,
487 struct list_head *buffer_list)
488 __releases(&lip->li_ailp->ail_lock)
489 __acquires(&lip->li_ailp->ail_lock)
491 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
492 struct xfs_inode *ip = iip->ili_inode;
493 struct xfs_buf *bp = lip->li_buf;
494 uint rval = XFS_ITEM_SUCCESS;
497 if (xfs_ipincount(ip) > 0)
498 return XFS_ITEM_PINNED;
500 if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED))
501 return XFS_ITEM_LOCKED;
504 * Re-check the pincount now that we stabilized the value by
507 if (xfs_ipincount(ip) > 0) {
508 rval = XFS_ITEM_PINNED;
513 * Stale inode items should force out the iclog.
515 if (ip->i_flags & XFS_ISTALE) {
516 rval = XFS_ITEM_PINNED;
521 * Someone else is already flushing the inode. Nothing we can do
522 * here but wait for the flush to finish and remove the item from
525 if (!xfs_iflock_nowait(ip)) {
526 rval = XFS_ITEM_FLUSHING;
530 ASSERT(iip->ili_fields != 0 || XFS_FORCED_SHUTDOWN(ip->i_mount));
531 spin_unlock(&lip->li_ailp->ail_lock);
533 error = xfs_iflush(ip, &bp);
535 if (!xfs_buf_delwri_queue(bp, buffer_list))
536 rval = XFS_ITEM_FLUSHING;
538 } else if (error == -EAGAIN)
539 rval = XFS_ITEM_LOCKED;
541 spin_lock(&lip->li_ailp->ail_lock);
543 xfs_iunlock(ip, XFS_ILOCK_SHARED);
548 * Unlock the inode associated with the inode log item.
551 xfs_inode_item_release(
552 struct xfs_log_item *lip)
554 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
555 struct xfs_inode *ip = iip->ili_inode;
556 unsigned short lock_flags;
558 ASSERT(ip->i_itemp != NULL);
559 ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
561 lock_flags = iip->ili_lock_flags;
562 iip->ili_lock_flags = 0;
564 xfs_iunlock(ip, lock_flags);
568 * This is called to find out where the oldest active copy of the inode log
569 * item in the on disk log resides now that the last log write of it completed
570 * at the given lsn. Since we always re-log all dirty data in an inode, the
571 * latest copy in the on disk log is the only one that matters. Therefore,
572 * simply return the given lsn.
574 * If the inode has been marked stale because the cluster is being freed, we
575 * don't want to (re-)insert this inode into the AIL. There is a race condition
576 * where the cluster buffer may be unpinned before the inode is inserted into
577 * the AIL during transaction committed processing. If the buffer is unpinned
578 * before the inode item has been committed and inserted, then it is possible
579 * for the buffer to be written and IO completes before the inode is inserted
580 * into the AIL. In that case, we'd be inserting a clean, stale inode into the
581 * AIL which will never get removed. It will, however, get reclaimed which
582 * triggers an assert in xfs_inode_free() complaining about freein an inode
585 * To avoid this, just unpin the inode directly and return a LSN of -1 so the
586 * transaction committed code knows that it does not need to do any further
587 * processing on the item.
590 xfs_inode_item_committed(
591 struct xfs_log_item *lip,
594 struct xfs_inode_log_item *iip = INODE_ITEM(lip);
595 struct xfs_inode *ip = iip->ili_inode;
597 if (xfs_iflags_test(ip, XFS_ISTALE)) {
598 xfs_inode_item_unpin(lip, 0);
605 xfs_inode_item_committing(
606 struct xfs_log_item *lip,
607 xfs_lsn_t commit_lsn)
609 INODE_ITEM(lip)->ili_last_lsn = commit_lsn;
610 return xfs_inode_item_release(lip);
613 static const struct xfs_item_ops xfs_inode_item_ops = {
614 .iop_size = xfs_inode_item_size,
615 .iop_format = xfs_inode_item_format,
616 .iop_pin = xfs_inode_item_pin,
617 .iop_unpin = xfs_inode_item_unpin,
618 .iop_release = xfs_inode_item_release,
619 .iop_committed = xfs_inode_item_committed,
620 .iop_push = xfs_inode_item_push,
621 .iop_committing = xfs_inode_item_committing,
622 .iop_error = xfs_inode_item_error
627 * Initialize the inode log item for a newly allocated (in-core) inode.
631 struct xfs_inode *ip,
632 struct xfs_mount *mp)
634 struct xfs_inode_log_item *iip;
636 ASSERT(ip->i_itemp == NULL);
637 iip = ip->i_itemp = kmem_zone_zalloc(xfs_ili_zone, 0);
640 spin_lock_init(&iip->ili_lock);
641 xfs_log_item_init(mp, &iip->ili_item, XFS_LI_INODE,
642 &xfs_inode_item_ops);
646 * Free the inode log item and any memory hanging off of it.
649 xfs_inode_item_destroy(
652 kmem_free(ip->i_itemp->ili_item.li_lv_shadow);
653 kmem_cache_free(xfs_ili_zone, ip->i_itemp);
658 * This is the inode flushing I/O completion routine. It is called
659 * from interrupt level when the buffer containing the inode is
660 * flushed to disk. It is responsible for removing the inode item
661 * from the AIL if it has not been re-logged, and unlocking the inode's
664 * To reduce AIL lock traffic as much as possible, we scan the buffer log item
665 * list for other inodes that will run this function. We remove them from the
666 * buffer list so we can process all the inode IO completions in one AIL lock
673 struct xfs_inode_log_item *iip;
674 struct xfs_log_item *lip, *n;
675 struct xfs_ail *ailp = bp->b_mount->m_ail;
680 * Pull the attached inodes from the buffer one at a time and take the
681 * appropriate action on them.
683 list_for_each_entry_safe(lip, n, &bp->b_li_list, li_bio_list) {
684 iip = INODE_ITEM(lip);
685 if (xfs_iflags_test(iip->ili_inode, XFS_ISTALE)) {
686 list_del_init(&lip->li_bio_list);
687 xfs_iflush_abort(iip->ili_inode);
691 list_move_tail(&lip->li_bio_list, &tmp);
693 /* Do an unlocked check for needing the AIL lock. */
694 if (lip->li_lsn == iip->ili_flush_lsn ||
695 test_bit(XFS_LI_FAILED, &lip->li_flags))
698 ASSERT(list_empty(&bp->b_li_list));
701 * We only want to pull the item from the AIL if it is actually there
702 * and its location in the log has not changed since we started the
703 * flush. Thus, we only bother if the inode's lsn has not changed.
706 xfs_lsn_t tail_lsn = 0;
708 /* this is an opencoded batch version of xfs_trans_ail_delete */
709 spin_lock(&ailp->ail_lock);
710 list_for_each_entry(lip, &tmp, li_bio_list) {
711 if (lip->li_lsn == INODE_ITEM(lip)->ili_flush_lsn) {
712 xfs_lsn_t lsn = xfs_ail_delete_one(ailp, lip);
713 if (!tail_lsn && lsn)
716 xfs_clear_li_failed(lip);
719 xfs_ail_update_finish(ailp, tail_lsn);
723 * Clean up and unlock the flush lock now we are done. We can clear the
724 * ili_last_fields bits now that we know that the data corresponding to
725 * them is safely on disk.
727 list_for_each_entry_safe(lip, n, &tmp, li_bio_list) {
728 list_del_init(&lip->li_bio_list);
729 iip = INODE_ITEM(lip);
731 spin_lock(&iip->ili_lock);
732 iip->ili_last_fields = 0;
733 spin_unlock(&iip->ili_lock);
735 xfs_ifunlock(iip->ili_inode);
740 * This is the inode flushing abort routine. It is called from xfs_iflush when
741 * the filesystem is shutting down to clean up the inode state. It is
742 * responsible for removing the inode item from the AIL if it has not been
743 * re-logged, and unlocking the inode's flush lock.
747 struct xfs_inode *ip)
749 struct xfs_inode_log_item *iip = ip->i_itemp;
752 xfs_trans_ail_delete(&iip->ili_item, 0);
754 * Clear the inode logging fields so no more flushes are
757 spin_lock(&iip->ili_lock);
758 iip->ili_last_fields = 0;
760 iip->ili_fsync_fields = 0;
761 spin_unlock(&iip->ili_lock);
764 * Release the inode's flush lock since we're done with it.
770 * convert an xfs_inode_log_format struct from the old 32 bit version
771 * (which can have different field alignments) to the native 64 bit version
774 xfs_inode_item_format_convert(
775 struct xfs_log_iovec *buf,
776 struct xfs_inode_log_format *in_f)
778 struct xfs_inode_log_format_32 *in_f32 = buf->i_addr;
780 if (buf->i_len != sizeof(*in_f32)) {
781 XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, NULL);
782 return -EFSCORRUPTED;
785 in_f->ilf_type = in_f32->ilf_type;
786 in_f->ilf_size = in_f32->ilf_size;
787 in_f->ilf_fields = in_f32->ilf_fields;
788 in_f->ilf_asize = in_f32->ilf_asize;
789 in_f->ilf_dsize = in_f32->ilf_dsize;
790 in_f->ilf_ino = in_f32->ilf_ino;
791 memcpy(&in_f->ilf_u, &in_f32->ilf_u, sizeof(in_f->ilf_u));
792 in_f->ilf_blkno = in_f32->ilf_blkno;
793 in_f->ilf_len = in_f32->ilf_len;
794 in_f->ilf_boffset = in_f32->ilf_boffset;