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| author | Joseph Qi <joseph.qi@huawei.com> | 2015-11-05 18:44:04 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-05 19:34:48 -0800 |
| commit | 93d911fcce259a3f950ee20592beee31b855cd96 (patch) | |
| tree | db5a232a287f08ae5eb1d750562b60986c81f1ab /fs/ocfs2/inode.h | |
| parent | 30edc43c7ff0760f6896c37c06a84533546588fa (diff) | |
| download | linux-93d911fcce259a3f950ee20592beee31b855cd96.tar.bz2 | |
ocfs2: only take lock if dio entry when recover orphans
We have no need to take inode mutex, rw and inode lock if it is not dio
entry when recover orphans. Optimize it by adding a flag
OCFS2_INODE_DIO_ORPHAN_ENTRY to ocfs2_inode_info to reduce contention.
Signed-off-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/ocfs2/inode.h')
| -rw-r--r-- | fs/ocfs2/inode.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ocfs2/inode.h b/fs/ocfs2/inode.h index ca3431ee7f24..aac8b86f312e 100644 --- a/fs/ocfs2/inode.h +++ b/fs/ocfs2/inode.h @@ -112,6 +112,8 @@ struct ocfs2_inode_info #define OCFS2_INODE_OPEN_DIRECT 0x00000020 /* Tell the inode wipe code it's not in orphan dir */ #define OCFS2_INODE_SKIP_ORPHAN_DIR 0x00000040 +/* Entry in orphan dir with 'dio-' prefix */ +#define OCFS2_INODE_DIO_ORPHAN_ENTRY 0x00000080 static inline struct ocfs2_inode_info *OCFS2_I(struct inode *inode) { |