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| author | Gu Zheng <guz.fnst@cn.fujitsu.com> | 2014-01-10 18:09:14 +0800 |
|---|---|---|
| committer | rogersb11 <brettrogers11@gmail.com> | 2016-02-13 21:24:30 -0500 |
| commit | aa8ad5b19ec0e09a1238b537fbf49b59d8770cfd (patch) | |
| tree | 21505ad4eba822b2b872e0a0edf95aef070798bf /fs/f2fs/f2fs.h | |
| parent | b9065b59218718f4cf77e67143a59264b4466b08 (diff) | |
| download | kernel_samsung_smdk4412-aa8ad5b19ec0e09a1238b537fbf49b59d8770cfd.zip kernel_samsung_smdk4412-aa8ad5b19ec0e09a1238b537fbf49b59d8770cfd.tar.gz kernel_samsung_smdk4412-aa8ad5b19ec0e09a1238b537fbf49b59d8770cfd.tar.bz2 | |
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.
Change-Id: Iafe2320add741da9e119de9f30b0f90799d68b27
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 5334202..932be9f 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -413,7 +413,7 @@ 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 */ |