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| author | Gu Zheng <guz.fnst@cn.fujitsu.com> | 2014-01-10 18:09:14 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-01-14 18:12:05 +0900 |
| commit | 17b692f60e93f5d417fcdbfd681b0f20f9f31ec8 (patch) | |
| tree | cbc5410c54767f86ac07eae945851cc5ee782765 /fs/f2fs/f2fs.h | |
| parent | c1ef37257229dc8903615eaf1d1abaa5da3f0686 (diff) | |
| download | op-kernel-dev-17b692f60e93f5d417fcdbfd681b0f20f9f31ec8.zip op-kernel-dev-17b692f60e93f5d417fcdbfd681b0f20f9f31ec8.tar.gz | |
f2fs: use spinlock rather than mutex for better speed
With the 2 previous changes, all the long time operations are moved out
of the protection region, so here we can use spinlock rather than mutex
(orphan_inode_mutex) for lower overhead.
Signed-off-by: Gu Zheng <guz.fnst@cn.fujitsu.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 8466b5e..ee304fb 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -412,7 +412,7 @@ struct f2fs_sb_info { /* for orphan inode management */ struct list_head orphan_inode_list; /* orphan inode list */ - struct mutex orphan_inode_mutex; /* for orphan inode list */ + spinlock_t orphan_inode_lock; /* for orphan inode list */ unsigned int n_orphans; /* # of orphan inodes */ unsigned int max_orphans; /* max orphan inodes */ |
