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| author | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-02-24 13:00:13 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-02-24 16:00:41 +0900 |
| commit | 8b8343fa9d503894ece57acbe46cb36883646685 (patch) | |
| tree | a8650f40e45644e91aad8298038aee3c024a80d8 /fs/f2fs/f2fs.h | |
| parent | 8a7ed66aaf8ee56b0a6beee4d02e10af5a9e38b2 (diff) | |
| download | linux-8b8343fa9d503894ece57acbe46cb36883646685.tar.bz2 | |
f2fs: implement a lock-free stat_show
The stat_show is just to show the current status of f2fs.
So, we can remove all the there-in locks.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 18 |
1 files changed, 3 insertions, 15 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 11fd8bec670b..4beedccc28a0 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -704,11 +704,7 @@ static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) static inline block_t valid_user_blocks(struct f2fs_sb_info *sbi) { - block_t ret; - spin_lock(&sbi->stat_lock); - ret = sbi->total_valid_block_count; - spin_unlock(&sbi->stat_lock); - return ret; + return sbi->total_valid_block_count; } static inline unsigned long __bitmap_size(struct f2fs_sb_info *sbi, int flag) @@ -804,11 +800,7 @@ static inline void dec_valid_node_count(struct f2fs_sb_info *sbi, static inline unsigned int valid_node_count(struct f2fs_sb_info *sbi) { - unsigned int ret; - spin_lock(&sbi->stat_lock); - ret = sbi->total_valid_node_count; - spin_unlock(&sbi->stat_lock); - return ret; + return sbi->total_valid_node_count; } static inline void inc_valid_inode_count(struct f2fs_sb_info *sbi) @@ -829,11 +821,7 @@ static inline void dec_valid_inode_count(struct f2fs_sb_info *sbi) static inline unsigned int valid_inode_count(struct f2fs_sb_info *sbi) { - unsigned int ret; - spin_lock(&sbi->stat_lock); - ret = sbi->total_valid_inode_count; - spin_unlock(&sbi->stat_lock); - return ret; + return sbi->total_valid_inode_count; } static inline void f2fs_put_page(struct page *page, int unlock) |