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linux/fs/ocfs2
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Xue jiufei 53dc20b9a3 ocfs2: fix the wrong directory passed to ocfs2_lookup_ino_from_name() when link file 
In ocfs2_link(), the parent directory inode passed to function
ocfs2_lookup_ino_from_name() is wrong.  Parameter dir is the parent of
new_dentry not old_dentry.  We should get old_dir from old_dentry and
lookup old_dentry in old_dir in case another node remove the old dentry.

With this change, hard linking works again, when paths are relative with
at least one subdirectory.  This is how the problem was reproducable:

  # mkdir a
  # mkdir b
  # touch a/test
  # ln a/test b/test
  ln: failed to create hard link `b/test' => `a/test': No such file or  directory

However when creating links in the same dir, it worked well.

Now the link gets created.

Fixes: 0e048316ff ("ocfs2: check existence of old dentry in ocfs2_link()")
Signed-off-by: joyce.xue <xuejiufei@huawei.com>
Reported-by: Szabo Aron - UBIT <aron@ubit.hu>
Cc: Mark Fasheh <mfasheh@suse.com>
Cc: Joel Becker <jlbec@evilplan.org>
Tested-by: Aron Szabo <aron@ubit.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2015-01-08 15:10:51 -08:00
..
cluster ocfs2: o2net: fix connect expired 2014-12-10 17:41:03 -08:00
dlm ocfs2: remove bogus check in dlm_process_recovery_data 2015-01-08 15:10:51 -08:00
dlmfs assorted conversions to %p[dD] 2014-11-19 13:01:20 -05:00
acl.c ocfs2: call ocfs2_update_inode_fsync_trans when updating any inode 2014-04-03 16:20:56 -07:00
acl.h ocfs2: use generic posix ACL infrastructure 2014-01-25 23:58:21 -05:00
alloc.c ocfs2: reflink: fix slow unlink for refcounted file 2014-12-18 19:08:11 -08:00
alloc.h ocfs2: reflink: fix slow unlink for refcounted file 2014-12-18 19:08:11 -08:00
aops.c ocfs2: fix journal commit deadlock 2014-12-18 19:08:11 -08:00
aops.h ocfs2: change ip_unaligned_aio to of type mutex from atomit_t 2014-04-03 16:20:53 -07:00
blockcheck.c ocfs2: kill endianness abuses in blockcheck.c 2012-05-29 23:28:35 -04:00
blockcheck.h
buffer_head_io.c ocfs2: do not put bh when buffer_uptodate failed 2014-04-03 16:20:56 -07:00
buffer_head_io.h
dcache.c assorted conversions to %p[dD] 2014-11-19 13:01:20 -05:00
dcache.h ocfs2: revert iput deferring code in ocfs2_drop_dentry_lock 2014-04-03 16:20:55 -07:00
dir.c ocfs2: reflink: fix slow unlink for refcounted file 2014-12-18 19:08:11 -08:00
dir.h [readdir] convert ocfs2 2013-06-29 12:57:02 +04:00
dlmglue.c Merge branch 'akpm' (patchbomb from Andrew) 2014-12-10 18:34:42 -08:00
dlmglue.h ocfs2: avoid blocking in ocfs2_mark_lockres_freeing() in downconvert thread 2014-04-03 16:20:55 -07:00
export.c fs: encode_fh: return FILEID_INVALID if invalid fid_type 2013-02-26 02:46:10 -05:00
export.h
extent_map.c ocfs2: fix the end cluster offset of FIEMAP 2013-09-11 15:56:53 -07:00
extent_map.h ocfs2: Implement llseek() 2011-07-25 14:58:15 -07:00
file.c ocfs2: reflink: fix slow unlink for refcounted file 2014-12-18 19:08:11 -08:00
file.h ->permission() sanitizing: don't pass flags to ->permission() 2011-07-20 01:43:24 -04:00
heartbeat.c
heartbeat.h
inode.c ocfs2: remove bogus test from ocfs2_read_locked_inode() 2014-12-10 17:41:03 -08:00
inode.h ocfs2: Convert to private i_dquot field 2014-11-10 10:06:11 +01:00
ioctl.c ocfs2: do not write error flag to user structure we cannot copy from/to 2014-08-29 16:28:16 -07:00
ioctl.h
journal.c vfs: make first argument of dir_context.actor typed 2014-10-31 17:48:54 -04:00
journal.h ocfs2: improve fsync efficiency and fix deadlock between aio_write and sync_file 2014-04-03 16:20:53 -07:00
Kconfig
localalloc.c ocfs2: free allocated clusters if error occurs after ocfs2_claim_clusters 2014-02-06 13:48:51 -08:00
localalloc.h ocfs2: free allocated clusters if error occurs after ocfs2_claim_clusters 2014-02-06 13:48:51 -08:00
locks.c ocfs2: flock: drop cross-node lock when failed locally 2014-04-03 16:20:56 -07:00
locks.h
Makefile ocfs2: remove versioning information 2014-01-21 16:19:41 -08:00
mmap.c kill f_vfsmnt 2013-02-26 02:46:10 -05:00
mmap.h
move_extents.c ocfs2: remove bogus NULL check in ocfs2_move_extents() 2014-12-10 17:41:04 -08:00
move_extents.h Ocfs2/move_extents: move/defrag extents within a certain range. 2011-05-25 15:17:12 +08:00
namei.c ocfs2: fix the wrong directory passed to ocfs2_lookup_ino_from_name() when link file 2015-01-08 15:10:51 -08:00
namei.h
ocfs1_fs_compat.h
ocfs2_fs.h
ocfs2_ioctl.h
ocfs2_lockid.h
ocfs2_lockingver.h
ocfs2_trace.h ocfs2: fix a tiny race when running dirop_fileop_racer 2014-06-23 16:47:45 -07:00
ocfs2.h ocfs2: do not set OCFS2_LOCK_UPCONVERT_FINISHING if nonblocking lock can not be granted at once 2014-12-10 17:41:03 -08:00
quota_global.c ocfs2: Don't use MAXQUOTAS value 2014-09-17 11:59:12 +02:00
quota_local.c ocfs2: Don't use MAXQUOTAS value 2014-09-17 11:59:12 +02:00
quota.h ocfs2: Don't use MAXQUOTAS value 2014-09-17 11:59:12 +02:00
refcounttree.c ocfs2: correctly check the return value of ocfs2_search_extent_list 2014-08-06 18:01:13 -07:00
refcounttree.h ocfs2: fix NULL pointer dereference in ocfs2_duplicate_clusters_by_page 2013-08-13 17:57:49 -07:00
reservations.c
reservations.h
resize.c ocfs2: fix incorrect i_size of global bitmap inode after resize 2014-06-04 16:53:54 -07:00
resize.h
slot_map.c ocfs2: fix an off-by-one BUG_ON() statement 2014-12-10 17:41:03 -08:00
slot_map.h
stack_o2cb.c ocfs2: pass ocfs2_cluster_connection to ocfs2_this_node 2014-01-21 16:19:41 -08:00
stack_user.c fs/ocfs2/stack_user.c: fix typo in ocfs2_control_release() 2014-10-09 22:25:46 -04:00
stackglue.c ocfs2: remove NULL assignments on static 2014-06-04 16:53:53 -07:00
stackglue.h ocfs2: pass ocfs2_cluster_connection to ocfs2_this_node 2014-01-21 16:19:41 -08:00
suballoc.c ocfs2: iput inode alloc when failed locally 2014-04-03 16:20:57 -07:00
suballoc.h ocfs2: rollback alloc_dinode counts when ocfs2_block_group_set_bits() failed 2014-04-03 16:20:56 -07:00
super.c Merge branch 'akpm' (patchbomb from Andrew) 2014-12-10 18:34:42 -08:00
super.h treewide: use __printf not __attribute__((format(printf,...))) 2011-10-31 17:30:54 -07:00
symlink.c ocfs2: Fix oops in ocfs2_fast_symlink_readpage() code path 2013-02-26 02:46:12 -05:00
symlink.h ocfs: simplify symlink handling 2012-05-29 23:28:40 -04:00
sysfile.c ocfs2: avoid system inode ref confusion by adding mutex lock 2014-04-03 16:20:57 -07:00
sysfile.h
uptodate.c ocfs2: remove NULL assignments on static 2014-06-04 16:53:53 -07:00
uptodate.h
xattr.c ocfs2: Fix xattr check in ocfs2_get_xattr_nolock() 2014-12-10 17:41:03 -08:00
xattr.h ocfs2: use generic posix ACL infrastructure 2014-01-25 23:58:21 -05:00