1 /* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
6 * vfs' aops, fops, dops and iops
8 * Copyright (C) 2002, 2004 Oracle. All rights reserved.
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public
12 * License as published by the Free Software Foundation; either
13 * version 2 of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * You should have received a copy of the GNU General Public
21 * License along with this program; if not, write to the
22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 * Boston, MA 021110-1307, USA.
27 #include <linux/types.h>
28 #include <linux/highmem.h>
29 #include <linux/pagemap.h>
30 #include <linux/quotaops.h>
32 #include <asm/byteorder.h>
34 #include <cluster/masklog.h>
40 #include "blockcheck.h"
42 #include "extent_map.h"
44 #include "heartbeat.h"
54 #include "refcounttree.h"
55 #include "ocfs2_trace.h"
57 #include "buffer_head_io.h"
59 struct ocfs2_find_inode_args
63 unsigned int fi_flags
;
64 unsigned int fi_sysfile_type
;
67 static struct lock_class_key ocfs2_sysfile_lock_key
[NUM_SYSTEM_INODES
];
69 static int ocfs2_read_locked_inode(struct inode
*inode
,
70 struct ocfs2_find_inode_args
*args
);
71 static int ocfs2_init_locked_inode(struct inode
*inode
, void *opaque
);
72 static int ocfs2_find_actor(struct inode
*inode
, void *opaque
);
73 static int ocfs2_truncate_for_delete(struct ocfs2_super
*osb
,
75 struct buffer_head
*fe_bh
);
77 void ocfs2_set_inode_flags(struct inode
*inode
)
79 unsigned int flags
= OCFS2_I(inode
)->ip_attr
;
81 inode
->i_flags
&= ~(S_IMMUTABLE
|
82 S_SYNC
| S_APPEND
| S_NOATIME
| S_DIRSYNC
);
84 if (flags
& OCFS2_IMMUTABLE_FL
)
85 inode
->i_flags
|= S_IMMUTABLE
;
87 if (flags
& OCFS2_SYNC_FL
)
88 inode
->i_flags
|= S_SYNC
;
89 if (flags
& OCFS2_APPEND_FL
)
90 inode
->i_flags
|= S_APPEND
;
91 if (flags
& OCFS2_NOATIME_FL
)
92 inode
->i_flags
|= S_NOATIME
;
93 if (flags
& OCFS2_DIRSYNC_FL
)
94 inode
->i_flags
|= S_DIRSYNC
;
97 /* Propagate flags from i_flags to OCFS2_I(inode)->ip_attr */
98 void ocfs2_get_inode_flags(struct ocfs2_inode_info
*oi
)
100 unsigned int flags
= oi
->vfs_inode
.i_flags
;
102 oi
->ip_attr
&= ~(OCFS2_SYNC_FL
|OCFS2_APPEND_FL
|
103 OCFS2_IMMUTABLE_FL
|OCFS2_NOATIME_FL
|OCFS2_DIRSYNC_FL
);
105 oi
->ip_attr
|= OCFS2_SYNC_FL
;
106 if (flags
& S_APPEND
)
107 oi
->ip_attr
|= OCFS2_APPEND_FL
;
108 if (flags
& S_IMMUTABLE
)
109 oi
->ip_attr
|= OCFS2_IMMUTABLE_FL
;
110 if (flags
& S_NOATIME
)
111 oi
->ip_attr
|= OCFS2_NOATIME_FL
;
112 if (flags
& S_DIRSYNC
)
113 oi
->ip_attr
|= OCFS2_DIRSYNC_FL
;
116 struct inode
*ocfs2_ilookup(struct super_block
*sb
, u64 blkno
)
118 struct ocfs2_find_inode_args args
;
120 args
.fi_blkno
= blkno
;
122 args
.fi_ino
= ino_from_blkno(sb
, blkno
);
123 args
.fi_sysfile_type
= 0;
125 return ilookup5(sb
, blkno
, ocfs2_find_actor
, &args
);
127 struct inode
*ocfs2_iget(struct ocfs2_super
*osb
, u64 blkno
, unsigned flags
,
130 struct inode
*inode
= NULL
;
131 struct super_block
*sb
= osb
->sb
;
132 struct ocfs2_find_inode_args args
;
134 trace_ocfs2_iget_begin((unsigned long long)blkno
, flags
,
137 /* Ok. By now we've either got the offsets passed to us by the
138 * caller, or we just pulled them off the bh. Lets do some
139 * sanity checks to make sure they're OK. */
141 inode
= ERR_PTR(-EINVAL
);
142 mlog_errno(PTR_ERR(inode
));
146 args
.fi_blkno
= blkno
;
147 args
.fi_flags
= flags
;
148 args
.fi_ino
= ino_from_blkno(sb
, blkno
);
149 args
.fi_sysfile_type
= sysfile_type
;
151 inode
= iget5_locked(sb
, args
.fi_ino
, ocfs2_find_actor
,
152 ocfs2_init_locked_inode
, &args
);
153 /* inode was *not* in the inode cache. 2.6.x requires
154 * us to do our own read_inode call and unlock it
157 inode
= ERR_PTR(-ENOMEM
);
158 mlog_errno(PTR_ERR(inode
));
161 trace_ocfs2_iget5_locked(inode
->i_state
);
162 if (inode
->i_state
& I_NEW
) {
163 ocfs2_read_locked_inode(inode
, &args
);
164 unlock_new_inode(inode
);
166 if (is_bad_inode(inode
)) {
168 inode
= ERR_PTR(-ESTALE
);
173 if (!IS_ERR(inode
)) {
174 trace_ocfs2_iget_end(inode
,
175 (unsigned long long)OCFS2_I(inode
)->ip_blkno
);
183 * here's how inodes get read from disk:
184 * iget5_locked -> find_actor -> OCFS2_FIND_ACTOR
185 * found? : return the in-memory inode
186 * not found? : get_new_inode -> OCFS2_INIT_LOCKED_INODE
189 static int ocfs2_find_actor(struct inode
*inode
, void *opaque
)
191 struct ocfs2_find_inode_args
*args
= NULL
;
192 struct ocfs2_inode_info
*oi
= OCFS2_I(inode
);
197 mlog_bug_on_msg(!inode
, "No inode in find actor!\n");
199 trace_ocfs2_find_actor(inode
, inode
->i_ino
, opaque
, args
->fi_blkno
);
201 if (oi
->ip_blkno
!= args
->fi_blkno
)
210 * initialize the new inode, but don't do anything that would cause
212 * return 0 on success, 1 on failure
214 static int ocfs2_init_locked_inode(struct inode
*inode
, void *opaque
)
216 struct ocfs2_find_inode_args
*args
= opaque
;
217 static struct lock_class_key ocfs2_quota_ip_alloc_sem_key
,
218 ocfs2_file_ip_alloc_sem_key
;
220 inode
->i_ino
= args
->fi_ino
;
221 OCFS2_I(inode
)->ip_blkno
= args
->fi_blkno
;
222 if (args
->fi_sysfile_type
!= 0)
223 lockdep_set_class(&inode
->i_mutex
,
224 &ocfs2_sysfile_lock_key
[args
->fi_sysfile_type
]);
225 if (args
->fi_sysfile_type
== USER_QUOTA_SYSTEM_INODE
||
226 args
->fi_sysfile_type
== GROUP_QUOTA_SYSTEM_INODE
||
227 args
->fi_sysfile_type
== LOCAL_USER_QUOTA_SYSTEM_INODE
||
228 args
->fi_sysfile_type
== LOCAL_GROUP_QUOTA_SYSTEM_INODE
)
229 lockdep_set_class(&OCFS2_I(inode
)->ip_alloc_sem
,
230 &ocfs2_quota_ip_alloc_sem_key
);
232 lockdep_set_class(&OCFS2_I(inode
)->ip_alloc_sem
,
233 &ocfs2_file_ip_alloc_sem_key
);
238 void ocfs2_populate_inode(struct inode
*inode
, struct ocfs2_dinode
*fe
,
241 struct super_block
*sb
;
242 struct ocfs2_super
*osb
;
248 if ((osb
->s_mount_opt
& OCFS2_MOUNT_LOCALFLOCKS
) ||
249 ocfs2_mount_local(osb
) || !ocfs2_stack_supports_plocks())
253 * These have all been checked by ocfs2_read_inode_block() or set
254 * by ocfs2_mknod_locked(), so a failure is a code bug.
256 BUG_ON(!OCFS2_IS_VALID_DINODE(fe
)); /* This means that read_inode
257 cannot create a superblock
258 inode today. change if
260 BUG_ON(!(fe
->i_flags
& cpu_to_le32(OCFS2_VALID_FL
)));
261 BUG_ON(le32_to_cpu(fe
->i_fs_generation
) != osb
->fs_generation
);
264 OCFS2_I(inode
)->ip_clusters
= le32_to_cpu(fe
->i_clusters
);
265 OCFS2_I(inode
)->ip_attr
= le32_to_cpu(fe
->i_attr
);
266 OCFS2_I(inode
)->ip_dyn_features
= le16_to_cpu(fe
->i_dyn_features
);
268 inode
->i_version
= 1;
269 inode
->i_generation
= le32_to_cpu(fe
->i_generation
);
270 inode
->i_rdev
= huge_decode_dev(le64_to_cpu(fe
->id1
.dev1
.i_rdev
));
271 inode
->i_mode
= le16_to_cpu(fe
->i_mode
);
272 i_uid_write(inode
, le32_to_cpu(fe
->i_uid
));
273 i_gid_write(inode
, le32_to_cpu(fe
->i_gid
));
275 /* Fast symlinks will have i_size but no allocated clusters. */
276 if (S_ISLNK(inode
->i_mode
) && !fe
->i_clusters
) {
278 inode
->i_mapping
->a_ops
= &ocfs2_fast_symlink_aops
;
280 inode
->i_blocks
= ocfs2_inode_sector_count(inode
);
281 inode
->i_mapping
->a_ops
= &ocfs2_aops
;
283 inode
->i_atime
.tv_sec
= le64_to_cpu(fe
->i_atime
);
284 inode
->i_atime
.tv_nsec
= le32_to_cpu(fe
->i_atime_nsec
);
285 inode
->i_mtime
.tv_sec
= le64_to_cpu(fe
->i_mtime
);
286 inode
->i_mtime
.tv_nsec
= le32_to_cpu(fe
->i_mtime_nsec
);
287 inode
->i_ctime
.tv_sec
= le64_to_cpu(fe
->i_ctime
);
288 inode
->i_ctime
.tv_nsec
= le32_to_cpu(fe
->i_ctime_nsec
);
290 if (OCFS2_I(inode
)->ip_blkno
!= le64_to_cpu(fe
->i_blkno
))
292 "ip_blkno %llu != i_blkno %llu!\n",
293 (unsigned long long)OCFS2_I(inode
)->ip_blkno
,
294 (unsigned long long)le64_to_cpu(fe
->i_blkno
));
296 set_nlink(inode
, ocfs2_read_links_count(fe
));
298 trace_ocfs2_populate_inode(OCFS2_I(inode
)->ip_blkno
,
299 le32_to_cpu(fe
->i_flags
));
300 if (fe
->i_flags
& cpu_to_le32(OCFS2_SYSTEM_FL
)) {
301 OCFS2_I(inode
)->ip_flags
|= OCFS2_INODE_SYSTEM_FILE
;
302 inode
->i_flags
|= S_NOQUOTA
;
305 if (fe
->i_flags
& cpu_to_le32(OCFS2_LOCAL_ALLOC_FL
)) {
306 OCFS2_I(inode
)->ip_flags
|= OCFS2_INODE_BITMAP
;
307 } else if (fe
->i_flags
& cpu_to_le32(OCFS2_BITMAP_FL
)) {
308 OCFS2_I(inode
)->ip_flags
|= OCFS2_INODE_BITMAP
;
309 } else if (fe
->i_flags
& cpu_to_le32(OCFS2_QUOTA_FL
)) {
310 inode
->i_flags
|= S_NOQUOTA
;
311 } else if (fe
->i_flags
& cpu_to_le32(OCFS2_SUPER_BLOCK_FL
)) {
312 /* we can't actually hit this as read_inode can't
313 * handle superblocks today ;-) */
317 switch (inode
->i_mode
& S_IFMT
) {
320 inode
->i_fop
= &ocfs2_fops
;
322 inode
->i_fop
= &ocfs2_fops_no_plocks
;
323 inode
->i_op
= &ocfs2_file_iops
;
324 i_size_write(inode
, le64_to_cpu(fe
->i_size
));
327 inode
->i_op
= &ocfs2_dir_iops
;
329 inode
->i_fop
= &ocfs2_dops
;
331 inode
->i_fop
= &ocfs2_dops_no_plocks
;
332 i_size_write(inode
, le64_to_cpu(fe
->i_size
));
333 OCFS2_I(inode
)->ip_dir_lock_gen
= 1;
336 inode
->i_op
= &ocfs2_symlink_inode_operations
;
337 i_size_write(inode
, le64_to_cpu(fe
->i_size
));
340 inode
->i_op
= &ocfs2_special_file_iops
;
341 init_special_inode(inode
, inode
->i_mode
,
347 inode
->i_ino
= ino_from_blkno(inode
->i_sb
,
348 le64_to_cpu(fe
->i_blkno
));
351 * If we ever want to create system files from kernel,
352 * the generation argument to
353 * ocfs2_inode_lock_res_init() will have to change.
355 BUG_ON(le32_to_cpu(fe
->i_flags
) & OCFS2_SYSTEM_FL
);
357 ocfs2_inode_lock_res_init(&OCFS2_I(inode
)->ip_inode_lockres
,
358 OCFS2_LOCK_TYPE_META
, 0, inode
);
360 ocfs2_inode_lock_res_init(&OCFS2_I(inode
)->ip_open_lockres
,
361 OCFS2_LOCK_TYPE_OPEN
, 0, inode
);
364 ocfs2_inode_lock_res_init(&OCFS2_I(inode
)->ip_rw_lockres
,
365 OCFS2_LOCK_TYPE_RW
, inode
->i_generation
,
368 ocfs2_set_inode_flags(inode
);
370 OCFS2_I(inode
)->ip_last_used_slot
= 0;
371 OCFS2_I(inode
)->ip_last_used_group
= 0;
373 if (S_ISDIR(inode
->i_mode
))
374 ocfs2_resv_set_type(&OCFS2_I(inode
)->ip_la_data_resv
,
375 OCFS2_RESV_FLAG_DIR
);
378 static int ocfs2_read_locked_inode(struct inode
*inode
,
379 struct ocfs2_find_inode_args
*args
)
381 struct super_block
*sb
;
382 struct ocfs2_super
*osb
;
383 struct ocfs2_dinode
*fe
;
384 struct buffer_head
*bh
= NULL
;
385 int status
, can_lock
;
393 * To improve performance of cold-cache inode stats, we take
394 * the cluster lock here if possible.
396 * Generally, OCFS2 never trusts the contents of an inode
397 * unless it's holding a cluster lock, so taking it here isn't
398 * a correctness issue as much as it is a performance
401 * There are three times when taking the lock is not a good idea:
403 * 1) During startup, before we have initialized the DLM.
405 * 2) If we are reading certain system files which never get
406 * cluster locks (local alloc, truncate log).
408 * 3) If the process doing the iget() is responsible for
409 * orphan dir recovery. We're holding the orphan dir lock and
410 * can get into a deadlock with another process on another
411 * node in ->delete_inode().
413 * #1 and #2 can be simply solved by never taking the lock
414 * here for system files (which are the only type we read
415 * during mount). It's a heavier approach, but our main
416 * concern is user-accessible files anyway.
418 * #3 works itself out because we'll eventually take the
419 * cluster lock before trusting anything anyway.
421 can_lock
= !(args
->fi_flags
& OCFS2_FI_FLAG_SYSFILE
)
422 && !(args
->fi_flags
& OCFS2_FI_FLAG_ORPHAN_RECOVERY
)
423 && !ocfs2_mount_local(osb
);
425 trace_ocfs2_read_locked_inode(
426 (unsigned long long)OCFS2_I(inode
)->ip_blkno
, can_lock
);
429 * To maintain backwards compatibility with older versions of
430 * ocfs2-tools, we still store the generation value for system
431 * files. The only ones that actually matter to userspace are
432 * the journals, but it's easier and inexpensive to just flag
433 * all system files similarly.
435 if (args
->fi_flags
& OCFS2_FI_FLAG_SYSFILE
)
436 generation
= osb
->fs_generation
;
438 ocfs2_inode_lock_res_init(&OCFS2_I(inode
)->ip_inode_lockres
,
439 OCFS2_LOCK_TYPE_META
,
442 ocfs2_inode_lock_res_init(&OCFS2_I(inode
)->ip_open_lockres
,
443 OCFS2_LOCK_TYPE_OPEN
,
447 status
= ocfs2_open_lock(inode
);
449 make_bad_inode(inode
);
453 status
= ocfs2_inode_lock(inode
, NULL
, 0);
455 make_bad_inode(inode
);
461 if (args
->fi_flags
& OCFS2_FI_FLAG_ORPHAN_RECOVERY
) {
462 status
= ocfs2_try_open_lock(inode
, 0);
464 make_bad_inode(inode
);
470 status
= ocfs2_read_inode_block_full(inode
, &bh
,
471 OCFS2_BH_IGNORE_CACHE
);
473 status
= ocfs2_read_blocks_sync(osb
, args
->fi_blkno
, 1, &bh
);
475 * If buffer is in jbd, then its checksum may not have been
478 if (!status
&& !buffer_jbd(bh
))
479 status
= ocfs2_validate_inode_block(osb
->sb
, bh
);
487 fe
= (struct ocfs2_dinode
*) bh
->b_data
;
490 * This is a code bug. Right now the caller needs to
491 * understand whether it is asking for a system file inode or
492 * not so the proper lock names can be built.
494 mlog_bug_on_msg(!!(fe
->i_flags
& cpu_to_le32(OCFS2_SYSTEM_FL
)) !=
495 !!(args
->fi_flags
& OCFS2_FI_FLAG_SYSFILE
),
496 "Inode %llu: system file state is ambigous\n",
497 (unsigned long long)args
->fi_blkno
);
499 if (S_ISCHR(le16_to_cpu(fe
->i_mode
)) ||
500 S_ISBLK(le16_to_cpu(fe
->i_mode
)))
501 inode
->i_rdev
= huge_decode_dev(le64_to_cpu(fe
->id1
.dev1
.i_rdev
));
503 ocfs2_populate_inode(inode
, fe
, 0);
505 BUG_ON(args
->fi_blkno
!= le64_to_cpu(fe
->i_blkno
));
511 ocfs2_inode_unlock(inode
, 0);
514 make_bad_inode(inode
);
522 void ocfs2_sync_blockdev(struct super_block
*sb
)
524 sync_blockdev(sb
->s_bdev
);
527 static int ocfs2_truncate_for_delete(struct ocfs2_super
*osb
,
529 struct buffer_head
*fe_bh
)
532 struct ocfs2_dinode
*fe
;
533 handle_t
*handle
= NULL
;
535 fe
= (struct ocfs2_dinode
*) fe_bh
->b_data
;
538 * This check will also skip truncate of inodes with inline
539 * data and fast symlinks.
541 if (fe
->i_clusters
) {
542 if (ocfs2_should_order_data(inode
))
543 ocfs2_begin_ordered_truncate(inode
, 0);
545 handle
= ocfs2_start_trans(osb
, OCFS2_INODE_UPDATE_CREDITS
);
546 if (IS_ERR(handle
)) {
547 status
= PTR_ERR(handle
);
553 status
= ocfs2_journal_access_di(handle
, INODE_CACHE(inode
),
555 OCFS2_JOURNAL_ACCESS_WRITE
);
561 i_size_write(inode
, 0);
563 status
= ocfs2_mark_inode_dirty(handle
, inode
, fe_bh
);
569 ocfs2_commit_trans(osb
, handle
);
572 status
= ocfs2_commit_truncate(osb
, inode
, fe_bh
);
581 ocfs2_commit_trans(osb
, handle
);
585 static int ocfs2_remove_inode(struct inode
*inode
,
586 struct buffer_head
*di_bh
,
587 struct inode
*orphan_dir_inode
,
588 struct buffer_head
*orphan_dir_bh
)
591 struct inode
*inode_alloc_inode
= NULL
;
592 struct buffer_head
*inode_alloc_bh
= NULL
;
594 struct ocfs2_super
*osb
= OCFS2_SB(inode
->i_sb
);
595 struct ocfs2_dinode
*di
= (struct ocfs2_dinode
*) di_bh
->b_data
;
598 ocfs2_get_system_file_inode(osb
, INODE_ALLOC_SYSTEM_INODE
,
599 le16_to_cpu(di
->i_suballoc_slot
));
600 if (!inode_alloc_inode
) {
606 mutex_lock(&inode_alloc_inode
->i_mutex
);
607 status
= ocfs2_inode_lock(inode_alloc_inode
, &inode_alloc_bh
, 1);
609 mutex_unlock(&inode_alloc_inode
->i_mutex
);
615 handle
= ocfs2_start_trans(osb
, OCFS2_DELETE_INODE_CREDITS
+
616 ocfs2_quota_trans_credits(inode
->i_sb
));
617 if (IS_ERR(handle
)) {
618 status
= PTR_ERR(handle
);
623 if (!(OCFS2_I(inode
)->ip_flags
& OCFS2_INODE_SKIP_ORPHAN_DIR
)) {
624 status
= ocfs2_orphan_del(osb
, handle
, orphan_dir_inode
, inode
,
632 /* set the inodes dtime */
633 status
= ocfs2_journal_access_di(handle
, INODE_CACHE(inode
), di_bh
,
634 OCFS2_JOURNAL_ACCESS_WRITE
);
640 di
->i_dtime
= cpu_to_le64(CURRENT_TIME
.tv_sec
);
641 di
->i_flags
&= cpu_to_le32(~(OCFS2_VALID_FL
| OCFS2_ORPHANED_FL
));
642 ocfs2_journal_dirty(handle
, di_bh
);
644 ocfs2_remove_from_cache(INODE_CACHE(inode
), di_bh
);
645 dquot_free_inode(inode
);
647 status
= ocfs2_free_dinode(handle
, inode_alloc_inode
,
653 ocfs2_commit_trans(osb
, handle
);
655 ocfs2_inode_unlock(inode_alloc_inode
, 1);
656 mutex_unlock(&inode_alloc_inode
->i_mutex
);
657 brelse(inode_alloc_bh
);
659 iput(inode_alloc_inode
);
665 * Serialize with orphan dir recovery. If the process doing
666 * recovery on this orphan dir does an iget() with the dir
667 * i_mutex held, we'll deadlock here. Instead we detect this
668 * and exit early - recovery will wipe this inode for us.
670 static int ocfs2_check_orphan_recovery_state(struct ocfs2_super
*osb
,
675 spin_lock(&osb
->osb_lock
);
676 if (ocfs2_node_map_test_bit(osb
, &osb
->osb_recovering_orphan_dirs
, slot
)) {
680 /* This signals to the orphan recovery process that it should
681 * wait for us to handle the wipe. */
682 osb
->osb_orphan_wipes
[slot
]++;
684 spin_unlock(&osb
->osb_lock
);
685 trace_ocfs2_check_orphan_recovery_state(slot
, ret
);
689 static void ocfs2_signal_wipe_completion(struct ocfs2_super
*osb
,
692 spin_lock(&osb
->osb_lock
);
693 osb
->osb_orphan_wipes
[slot
]--;
694 spin_unlock(&osb
->osb_lock
);
696 wake_up(&osb
->osb_wipe_event
);
699 static int ocfs2_wipe_inode(struct inode
*inode
,
700 struct buffer_head
*di_bh
)
702 int status
, orphaned_slot
= -1;
703 struct inode
*orphan_dir_inode
= NULL
;
704 struct buffer_head
*orphan_dir_bh
= NULL
;
705 struct ocfs2_super
*osb
= OCFS2_SB(inode
->i_sb
);
706 struct ocfs2_dinode
*di
= (struct ocfs2_dinode
*) di_bh
->b_data
;
708 if (!(OCFS2_I(inode
)->ip_flags
& OCFS2_INODE_SKIP_ORPHAN_DIR
)) {
709 orphaned_slot
= le16_to_cpu(di
->i_orphaned_slot
);
711 status
= ocfs2_check_orphan_recovery_state(osb
, orphaned_slot
);
715 orphan_dir_inode
= ocfs2_get_system_file_inode(osb
,
716 ORPHAN_DIR_SYSTEM_INODE
,
718 if (!orphan_dir_inode
) {
724 /* Lock the orphan dir. The lock will be held for the entire
725 * delete_inode operation. We do this now to avoid races with
726 * recovery completion on other nodes. */
727 mutex_lock(&orphan_dir_inode
->i_mutex
);
728 status
= ocfs2_inode_lock(orphan_dir_inode
, &orphan_dir_bh
, 1);
730 mutex_unlock(&orphan_dir_inode
->i_mutex
);
737 /* we do this while holding the orphan dir lock because we
738 * don't want recovery being run from another node to try an
739 * inode delete underneath us -- this will result in two nodes
740 * truncating the same file! */
741 status
= ocfs2_truncate_for_delete(osb
, inode
, di_bh
);
744 goto bail_unlock_dir
;
747 /* Remove any dir index tree */
748 if (S_ISDIR(inode
->i_mode
)) {
749 status
= ocfs2_dx_dir_truncate(inode
, di_bh
);
752 goto bail_unlock_dir
;
756 /*Free extended attribute resources associated with this inode.*/
757 status
= ocfs2_xattr_remove(inode
, di_bh
);
760 goto bail_unlock_dir
;
763 status
= ocfs2_remove_refcount_tree(inode
, di_bh
);
766 goto bail_unlock_dir
;
769 status
= ocfs2_remove_inode(inode
, di_bh
, orphan_dir_inode
,
775 if (OCFS2_I(inode
)->ip_flags
& OCFS2_INODE_SKIP_ORPHAN_DIR
)
778 ocfs2_inode_unlock(orphan_dir_inode
, 1);
779 mutex_unlock(&orphan_dir_inode
->i_mutex
);
780 brelse(orphan_dir_bh
);
782 iput(orphan_dir_inode
);
783 ocfs2_signal_wipe_completion(osb
, orphaned_slot
);
788 /* There is a series of simple checks that should be done before a
789 * trylock is even considered. Encapsulate those in this function. */
790 static int ocfs2_inode_is_valid_to_delete(struct inode
*inode
)
793 struct ocfs2_inode_info
*oi
= OCFS2_I(inode
);
794 struct ocfs2_super
*osb
= OCFS2_SB(inode
->i_sb
);
796 trace_ocfs2_inode_is_valid_to_delete(current
, osb
->dc_task
,
797 (unsigned long long)oi
->ip_blkno
,
800 /* We shouldn't be getting here for the root directory
802 if (inode
== osb
->root_inode
) {
803 mlog(ML_ERROR
, "Skipping delete of root inode.\n");
807 /* If we're coming from downconvert_thread we can't go into our own
808 * voting [hello, deadlock city!], so unforuntately we just
809 * have to skip deleting this guy. That's OK though because
810 * the node who's doing the actual deleting should handle it
812 if (current
== osb
->dc_task
)
815 spin_lock(&oi
->ip_lock
);
816 /* OCFS2 *never* deletes system files. This should technically
817 * never get here as system file inodes should always have a
818 * positive link count. */
819 if (oi
->ip_flags
& OCFS2_INODE_SYSTEM_FILE
) {
820 mlog(ML_ERROR
, "Skipping delete of system file %llu\n",
821 (unsigned long long)oi
->ip_blkno
);
825 /* If we have allowd wipe of this inode for another node, it
826 * will be marked here so we can safely skip it. Recovery will
827 * cleanup any inodes we might inadvertently skip here. */
828 if (oi
->ip_flags
& OCFS2_INODE_SKIP_DELETE
)
833 spin_unlock(&oi
->ip_lock
);
838 /* Query the cluster to determine whether we should wipe an inode from
841 * Requires the inode to have the cluster lock. */
842 static int ocfs2_query_inode_wipe(struct inode
*inode
,
843 struct buffer_head
*di_bh
,
846 int status
= 0, reason
= 0;
847 struct ocfs2_inode_info
*oi
= OCFS2_I(inode
);
848 struct ocfs2_dinode
*di
;
852 trace_ocfs2_query_inode_wipe_begin((unsigned long long)oi
->ip_blkno
,
855 /* While we were waiting for the cluster lock in
856 * ocfs2_delete_inode, another node might have asked to delete
857 * the inode. Recheck our flags to catch this. */
858 if (!ocfs2_inode_is_valid_to_delete(inode
)) {
863 /* Now that we have an up to date inode, we can double check
868 /* Do some basic inode verification... */
869 di
= (struct ocfs2_dinode
*) di_bh
->b_data
;
870 if (!(di
->i_flags
& cpu_to_le32(OCFS2_ORPHANED_FL
)) &&
871 !(oi
->ip_flags
& OCFS2_INODE_SKIP_ORPHAN_DIR
)) {
873 * Inodes in the orphan dir must have ORPHANED_FL. The only
874 * inodes that come back out of the orphan dir are reflink
875 * targets. A reflink target may be moved out of the orphan
876 * dir between the time we scan the directory and the time we
877 * process it. This would lead to HAS_REFCOUNT_FL being set but
880 if (di
->i_dyn_features
& cpu_to_le16(OCFS2_HAS_REFCOUNT_FL
)) {
885 /* for lack of a better error? */
888 "Inode %llu (on-disk %llu) not orphaned! "
889 "Disk flags 0x%x, inode flags 0x%x\n",
890 (unsigned long long)oi
->ip_blkno
,
891 (unsigned long long)le64_to_cpu(di
->i_blkno
),
892 le32_to_cpu(di
->i_flags
), oi
->ip_flags
);
896 /* has someone already deleted us?! baaad... */
904 * This is how ocfs2 determines whether an inode is still live
905 * within the cluster. Every node takes a shared read lock on
906 * the inode open lock in ocfs2_read_locked_inode(). When we
907 * get to ->delete_inode(), each node tries to convert it's
908 * lock to an exclusive. Trylocks are serialized by the inode
909 * meta data lock. If the upconvert succeeds, we know the inode
910 * is no longer live and can be deleted.
912 * Though we call this with the meta data lock held, the
913 * trylock keeps us from ABBA deadlock.
915 status
= ocfs2_try_open_lock(inode
, 1);
916 if (status
== -EAGAIN
) {
927 trace_ocfs2_query_inode_wipe_succ(le16_to_cpu(di
->i_orphaned_slot
));
930 trace_ocfs2_query_inode_wipe_end(status
, reason
);
934 /* Support function for ocfs2_delete_inode. Will help us keep the
935 * inode data in a consistent state for clear_inode. Always truncates
936 * pages, optionally sync's them first. */
937 static void ocfs2_cleanup_delete_inode(struct inode
*inode
,
940 trace_ocfs2_cleanup_delete_inode(
941 (unsigned long long)OCFS2_I(inode
)->ip_blkno
, sync_data
);
943 filemap_write_and_wait(inode
->i_mapping
);
944 truncate_inode_pages(&inode
->i_data
, 0);
947 static void ocfs2_delete_inode(struct inode
*inode
)
951 struct buffer_head
*di_bh
= NULL
;
953 trace_ocfs2_delete_inode(inode
->i_ino
,
954 (unsigned long long)OCFS2_I(inode
)->ip_blkno
,
955 is_bad_inode(inode
));
957 /* When we fail in read_inode() we mark inode as bad. The second test
958 * catches the case when inode allocation fails before allocating
959 * a block for inode. */
960 if (is_bad_inode(inode
) || !OCFS2_I(inode
)->ip_blkno
)
963 dquot_initialize(inode
);
965 if (!ocfs2_inode_is_valid_to_delete(inode
)) {
966 /* It's probably not necessary to truncate_inode_pages
967 * here but we do it for safety anyway (it will most
968 * likely be a no-op anyway) */
969 ocfs2_cleanup_delete_inode(inode
, 0);
973 /* We want to block signals in delete_inode as the lock and
974 * messaging paths may return us -ERESTARTSYS. Which would
975 * cause us to exit early, resulting in inodes being orphaned
977 ocfs2_block_signals(&oldset
);
980 * Synchronize us against ocfs2_get_dentry. We take this in
981 * shared mode so that all nodes can still concurrently
984 status
= ocfs2_nfs_sync_lock(OCFS2_SB(inode
->i_sb
), 0);
986 mlog(ML_ERROR
, "getting nfs sync lock(PR) failed %d\n", status
);
987 ocfs2_cleanup_delete_inode(inode
, 0);
990 /* Lock down the inode. This gives us an up to date view of
991 * it's metadata (for verification), and allows us to
992 * serialize delete_inode on multiple nodes.
994 * Even though we might be doing a truncate, we don't take the
995 * allocation lock here as it won't be needed - nobody will
996 * have the file open.
998 status
= ocfs2_inode_lock(inode
, &di_bh
, 1);
1000 if (status
!= -ENOENT
)
1002 ocfs2_cleanup_delete_inode(inode
, 0);
1003 goto bail_unlock_nfs_sync
;
1006 /* Query the cluster. This will be the final decision made
1007 * before we go ahead and wipe the inode. */
1008 status
= ocfs2_query_inode_wipe(inode
, di_bh
, &wipe
);
1009 if (!wipe
|| status
< 0) {
1010 /* Error and remote inode busy both mean we won't be
1011 * removing the inode, so they take almost the same
1016 /* Someone in the cluster has disallowed a wipe of
1017 * this inode, or it was never completely
1018 * orphaned. Write out the pages and exit now. */
1019 ocfs2_cleanup_delete_inode(inode
, 1);
1020 goto bail_unlock_inode
;
1023 ocfs2_cleanup_delete_inode(inode
, 0);
1025 status
= ocfs2_wipe_inode(inode
, di_bh
);
1027 if (status
!= -EDEADLK
)
1029 goto bail_unlock_inode
;
1033 * Mark the inode as successfully deleted.
1035 * This is important for ocfs2_clear_inode() as it will check
1036 * this flag and skip any checkpointing work
1038 * ocfs2_stuff_meta_lvb() also uses this flag to invalidate
1039 * the LVB for other nodes.
1041 OCFS2_I(inode
)->ip_flags
|= OCFS2_INODE_DELETED
;
1044 ocfs2_inode_unlock(inode
, 1);
1047 bail_unlock_nfs_sync
:
1048 ocfs2_nfs_sync_unlock(OCFS2_SB(inode
->i_sb
), 0);
1051 ocfs2_unblock_signals(&oldset
);
1056 static void ocfs2_clear_inode(struct inode
*inode
)
1059 struct ocfs2_inode_info
*oi
= OCFS2_I(inode
);
1062 trace_ocfs2_clear_inode((unsigned long long)oi
->ip_blkno
,
1065 mlog_bug_on_msg(OCFS2_SB(inode
->i_sb
) == NULL
,
1066 "Inode=%lu\n", inode
->i_ino
);
1070 /* To preven remote deletes we hold open lock before, now it
1071 * is time to unlock PR and EX open locks. */
1072 ocfs2_open_unlock(inode
);
1074 /* Do these before all the other work so that we don't bounce
1075 * the downconvert thread while waiting to destroy the locks. */
1076 ocfs2_mark_lockres_freeing(&oi
->ip_rw_lockres
);
1077 ocfs2_mark_lockres_freeing(&oi
->ip_inode_lockres
);
1078 ocfs2_mark_lockres_freeing(&oi
->ip_open_lockres
);
1080 ocfs2_resv_discard(&OCFS2_SB(inode
->i_sb
)->osb_la_resmap
,
1081 &oi
->ip_la_data_resv
);
1082 ocfs2_resv_init_once(&oi
->ip_la_data_resv
);
1084 /* We very well may get a clear_inode before all an inodes
1085 * metadata has hit disk. Of course, we can't drop any cluster
1086 * locks until the journal has finished with it. The only
1087 * exception here are successfully wiped inodes - their
1088 * metadata can now be considered to be part of the system
1089 * inodes from which it came. */
1090 if (!(OCFS2_I(inode
)->ip_flags
& OCFS2_INODE_DELETED
))
1091 ocfs2_checkpoint_inode(inode
);
1093 mlog_bug_on_msg(!list_empty(&oi
->ip_io_markers
),
1094 "Clear inode of %llu, inode has io markers\n",
1095 (unsigned long long)oi
->ip_blkno
);
1097 ocfs2_extent_map_trunc(inode
, 0);
1099 status
= ocfs2_drop_inode_locks(inode
);
1103 ocfs2_lock_res_free(&oi
->ip_rw_lockres
);
1104 ocfs2_lock_res_free(&oi
->ip_inode_lockres
);
1105 ocfs2_lock_res_free(&oi
->ip_open_lockres
);
1107 ocfs2_metadata_cache_exit(INODE_CACHE(inode
));
1109 mlog_bug_on_msg(INODE_CACHE(inode
)->ci_num_cached
,
1110 "Clear inode of %llu, inode has %u cache items\n",
1111 (unsigned long long)oi
->ip_blkno
,
1112 INODE_CACHE(inode
)->ci_num_cached
);
1114 mlog_bug_on_msg(!(INODE_CACHE(inode
)->ci_flags
& OCFS2_CACHE_FL_INLINE
),
1115 "Clear inode of %llu, inode has a bad flag\n",
1116 (unsigned long long)oi
->ip_blkno
);
1118 mlog_bug_on_msg(spin_is_locked(&oi
->ip_lock
),
1119 "Clear inode of %llu, inode is locked\n",
1120 (unsigned long long)oi
->ip_blkno
);
1122 mlog_bug_on_msg(!mutex_trylock(&oi
->ip_io_mutex
),
1123 "Clear inode of %llu, io_mutex is locked\n",
1124 (unsigned long long)oi
->ip_blkno
);
1125 mutex_unlock(&oi
->ip_io_mutex
);
1128 * down_trylock() returns 0, down_write_trylock() returns 1
1131 mlog_bug_on_msg(!down_write_trylock(&oi
->ip_alloc_sem
),
1132 "Clear inode of %llu, alloc_sem is locked\n",
1133 (unsigned long long)oi
->ip_blkno
);
1134 up_write(&oi
->ip_alloc_sem
);
1136 mlog_bug_on_msg(oi
->ip_open_count
,
1137 "Clear inode of %llu has open count %d\n",
1138 (unsigned long long)oi
->ip_blkno
, oi
->ip_open_count
);
1140 /* Clear all other flags. */
1142 oi
->ip_dir_start_lookup
= 0;
1143 oi
->ip_blkno
= 0ULL;
1146 * ip_jinode is used to track txns against this inode. We ensure that
1147 * the journal is flushed before journal shutdown. Thus it is safe to
1148 * have inodes get cleaned up after journal shutdown.
1150 jbd2_journal_release_jbd_inode(OCFS2_SB(inode
->i_sb
)->journal
->j_journal
,
1154 void ocfs2_evict_inode(struct inode
*inode
)
1156 if (!inode
->i_nlink
||
1157 (OCFS2_I(inode
)->ip_flags
& OCFS2_INODE_MAYBE_ORPHANED
)) {
1158 ocfs2_delete_inode(inode
);
1160 truncate_inode_pages(&inode
->i_data
, 0);
1162 ocfs2_clear_inode(inode
);
1165 /* Called under inode_lock, with no more references on the
1166 * struct inode, so it's safe here to check the flags field
1167 * and to manipulate i_nlink without any other locks. */
1168 int ocfs2_drop_inode(struct inode
*inode
)
1170 struct ocfs2_inode_info
*oi
= OCFS2_I(inode
);
1173 trace_ocfs2_drop_inode((unsigned long long)oi
->ip_blkno
,
1174 inode
->i_nlink
, oi
->ip_flags
);
1176 if (oi
->ip_flags
& OCFS2_INODE_MAYBE_ORPHANED
)
1179 res
= generic_drop_inode(inode
);
1185 * This is called from our getattr.
1187 int ocfs2_inode_revalidate(struct dentry
*dentry
)
1189 struct inode
*inode
= dentry
->d_inode
;
1192 trace_ocfs2_inode_revalidate(inode
,
1193 inode
? (unsigned long long)OCFS2_I(inode
)->ip_blkno
: 0ULL,
1194 inode
? (unsigned long long)OCFS2_I(inode
)->ip_flags
: 0);
1201 spin_lock(&OCFS2_I(inode
)->ip_lock
);
1202 if (OCFS2_I(inode
)->ip_flags
& OCFS2_INODE_DELETED
) {
1203 spin_unlock(&OCFS2_I(inode
)->ip_lock
);
1207 spin_unlock(&OCFS2_I(inode
)->ip_lock
);
1209 /* Let ocfs2_inode_lock do the work of updating our struct
1211 status
= ocfs2_inode_lock(inode
, NULL
, 0);
1213 if (status
!= -ENOENT
)
1217 ocfs2_inode_unlock(inode
, 0);
1223 * Updates a disk inode from a
1225 * Only takes ip_lock.
1227 int ocfs2_mark_inode_dirty(handle_t
*handle
,
1228 struct inode
*inode
,
1229 struct buffer_head
*bh
)
1232 struct ocfs2_dinode
*fe
= (struct ocfs2_dinode
*) bh
->b_data
;
1234 trace_ocfs2_mark_inode_dirty((unsigned long long)OCFS2_I(inode
)->ip_blkno
);
1236 status
= ocfs2_journal_access_di(handle
, INODE_CACHE(inode
), bh
,
1237 OCFS2_JOURNAL_ACCESS_WRITE
);
1243 spin_lock(&OCFS2_I(inode
)->ip_lock
);
1244 fe
->i_clusters
= cpu_to_le32(OCFS2_I(inode
)->ip_clusters
);
1245 ocfs2_get_inode_flags(OCFS2_I(inode
));
1246 fe
->i_attr
= cpu_to_le32(OCFS2_I(inode
)->ip_attr
);
1247 fe
->i_dyn_features
= cpu_to_le16(OCFS2_I(inode
)->ip_dyn_features
);
1248 spin_unlock(&OCFS2_I(inode
)->ip_lock
);
1250 fe
->i_size
= cpu_to_le64(i_size_read(inode
));
1251 ocfs2_set_links_count(fe
, inode
->i_nlink
);
1252 fe
->i_uid
= cpu_to_le32(i_uid_read(inode
));
1253 fe
->i_gid
= cpu_to_le32(i_gid_read(inode
));
1254 fe
->i_mode
= cpu_to_le16(inode
->i_mode
);
1255 fe
->i_atime
= cpu_to_le64(inode
->i_atime
.tv_sec
);
1256 fe
->i_atime_nsec
= cpu_to_le32(inode
->i_atime
.tv_nsec
);
1257 fe
->i_ctime
= cpu_to_le64(inode
->i_ctime
.tv_sec
);
1258 fe
->i_ctime_nsec
= cpu_to_le32(inode
->i_ctime
.tv_nsec
);
1259 fe
->i_mtime
= cpu_to_le64(inode
->i_mtime
.tv_sec
);
1260 fe
->i_mtime_nsec
= cpu_to_le32(inode
->i_mtime
.tv_nsec
);
1262 ocfs2_journal_dirty(handle
, bh
);
1269 * Updates a struct inode from a disk inode.
1270 * does no i/o, only takes ip_lock.
1272 void ocfs2_refresh_inode(struct inode
*inode
,
1273 struct ocfs2_dinode
*fe
)
1275 spin_lock(&OCFS2_I(inode
)->ip_lock
);
1277 OCFS2_I(inode
)->ip_clusters
= le32_to_cpu(fe
->i_clusters
);
1278 OCFS2_I(inode
)->ip_attr
= le32_to_cpu(fe
->i_attr
);
1279 OCFS2_I(inode
)->ip_dyn_features
= le16_to_cpu(fe
->i_dyn_features
);
1280 ocfs2_set_inode_flags(inode
);
1281 i_size_write(inode
, le64_to_cpu(fe
->i_size
));
1282 set_nlink(inode
, ocfs2_read_links_count(fe
));
1283 i_uid_write(inode
, le32_to_cpu(fe
->i_uid
));
1284 i_gid_write(inode
, le32_to_cpu(fe
->i_gid
));
1285 inode
->i_mode
= le16_to_cpu(fe
->i_mode
);
1286 if (S_ISLNK(inode
->i_mode
) && le32_to_cpu(fe
->i_clusters
) == 0)
1287 inode
->i_blocks
= 0;
1289 inode
->i_blocks
= ocfs2_inode_sector_count(inode
);
1290 inode
->i_atime
.tv_sec
= le64_to_cpu(fe
->i_atime
);
1291 inode
->i_atime
.tv_nsec
= le32_to_cpu(fe
->i_atime_nsec
);
1292 inode
->i_mtime
.tv_sec
= le64_to_cpu(fe
->i_mtime
);
1293 inode
->i_mtime
.tv_nsec
= le32_to_cpu(fe
->i_mtime_nsec
);
1294 inode
->i_ctime
.tv_sec
= le64_to_cpu(fe
->i_ctime
);
1295 inode
->i_ctime
.tv_nsec
= le32_to_cpu(fe
->i_ctime_nsec
);
1297 spin_unlock(&OCFS2_I(inode
)->ip_lock
);
1300 int ocfs2_validate_inode_block(struct super_block
*sb
,
1301 struct buffer_head
*bh
)
1304 struct ocfs2_dinode
*di
= (struct ocfs2_dinode
*)bh
->b_data
;
1306 trace_ocfs2_validate_inode_block((unsigned long long)bh
->b_blocknr
);
1308 BUG_ON(!buffer_uptodate(bh
));
1311 * If the ecc fails, we return the error but otherwise
1312 * leave the filesystem running. We know any error is
1313 * local to this block.
1315 rc
= ocfs2_validate_meta_ecc(sb
, bh
->b_data
, &di
->i_check
);
1317 mlog(ML_ERROR
, "Checksum failed for dinode %llu\n",
1318 (unsigned long long)bh
->b_blocknr
);
1323 * Errors after here are fatal.
1328 if (!OCFS2_IS_VALID_DINODE(di
)) {
1329 ocfs2_error(sb
, "Invalid dinode #%llu: signature = %.*s\n",
1330 (unsigned long long)bh
->b_blocknr
, 7,
1335 if (le64_to_cpu(di
->i_blkno
) != bh
->b_blocknr
) {
1336 ocfs2_error(sb
, "Invalid dinode #%llu: i_blkno is %llu\n",
1337 (unsigned long long)bh
->b_blocknr
,
1338 (unsigned long long)le64_to_cpu(di
->i_blkno
));
1342 if (!(di
->i_flags
& cpu_to_le32(OCFS2_VALID_FL
))) {
1344 "Invalid dinode #%llu: OCFS2_VALID_FL not set\n",
1345 (unsigned long long)bh
->b_blocknr
);
1349 if (le32_to_cpu(di
->i_fs_generation
) !=
1350 OCFS2_SB(sb
)->fs_generation
) {
1352 "Invalid dinode #%llu: fs_generation is %u\n",
1353 (unsigned long long)bh
->b_blocknr
,
1354 le32_to_cpu(di
->i_fs_generation
));
1364 int ocfs2_read_inode_block_full(struct inode
*inode
, struct buffer_head
**bh
,
1368 struct buffer_head
*tmp
= *bh
;
1370 rc
= ocfs2_read_blocks(INODE_CACHE(inode
), OCFS2_I(inode
)->ip_blkno
,
1371 1, &tmp
, flags
, ocfs2_validate_inode_block
);
1373 /* If ocfs2_read_blocks() got us a new bh, pass it up. */
1380 int ocfs2_read_inode_block(struct inode
*inode
, struct buffer_head
**bh
)
1382 return ocfs2_read_inode_block_full(inode
, bh
, 0);
1386 static u64
ocfs2_inode_cache_owner(struct ocfs2_caching_info
*ci
)
1388 struct ocfs2_inode_info
*oi
= cache_info_to_inode(ci
);
1390 return oi
->ip_blkno
;
1393 static struct super_block
*ocfs2_inode_cache_get_super(struct ocfs2_caching_info
*ci
)
1395 struct ocfs2_inode_info
*oi
= cache_info_to_inode(ci
);
1397 return oi
->vfs_inode
.i_sb
;
1400 static void ocfs2_inode_cache_lock(struct ocfs2_caching_info
*ci
)
1402 struct ocfs2_inode_info
*oi
= cache_info_to_inode(ci
);
1404 spin_lock(&oi
->ip_lock
);
1407 static void ocfs2_inode_cache_unlock(struct ocfs2_caching_info
*ci
)
1409 struct ocfs2_inode_info
*oi
= cache_info_to_inode(ci
);
1411 spin_unlock(&oi
->ip_lock
);
1414 static void ocfs2_inode_cache_io_lock(struct ocfs2_caching_info
*ci
)
1416 struct ocfs2_inode_info
*oi
= cache_info_to_inode(ci
);
1418 mutex_lock(&oi
->ip_io_mutex
);
1421 static void ocfs2_inode_cache_io_unlock(struct ocfs2_caching_info
*ci
)
1423 struct ocfs2_inode_info
*oi
= cache_info_to_inode(ci
);
1425 mutex_unlock(&oi
->ip_io_mutex
);
1428 const struct ocfs2_caching_operations ocfs2_inode_caching_ops
= {
1429 .co_owner
= ocfs2_inode_cache_owner
,
1430 .co_get_super
= ocfs2_inode_cache_get_super
,
1431 .co_cache_lock
= ocfs2_inode_cache_lock
,
1432 .co_cache_unlock
= ocfs2_inode_cache_unlock
,
1433 .co_io_lock
= ocfs2_inode_cache_io_lock
,
1434 .co_io_unlock
= ocfs2_inode_cache_io_unlock
,