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| author |   Jaegeuk Kim <jaegeuk@kernel.org> | 2016-05-13 12:47:11 -0700 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-05-18 13:57:28 -0700 |
| commit | 1beba1b3a953107c3ff5448ab4e4297db4619c76 (patch) | |
| tree | 1a9cf68ea317f704650a51c97b89746032014dfe /fs/f2fs/f2fs.h | |
| parent | f2fs: use percpu_counter for page counters (diff) | |
| download | linux-dev-1beba1b3a953107c3ff5448ab4e4297db4619c76.tar.xz linux-dev-1beba1b3a953107c3ff5448ab4e4297db4619c76.zip | |
f2fs: use percpu_counter for # of dirty pages in inode
This patch adds percpu_counter for # of dirty pages in inode.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index c2d0b24ba6b8..3f1c71092440 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -436,7 +436,7 @@ struct f2fs_inode_info { /* Use below internally in f2fs*/ unsigned long flags; /* use to pass per-file flags */ struct rw_semaphore i_sem; /* protect fi info */ - atomic_t dirty_pages; /* # of dirty pages */ + struct percpu_counter dirty_pages; /* # of dirty pages */ f2fs_hash_t chash; /* hash value of given file name */ unsigned int clevel; /* maximum level of given file name */ nid_t i_xattr_nid; /* node id that contains xattrs */ @@ -1166,7 +1166,7 @@ static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) static inline void inode_inc_dirty_pages(struct inode *inode) { - atomic_inc(&F2FS_I(inode)->dirty_pages); + percpu_counter_inc(&F2FS_I(inode)->dirty_pages); inc_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); } @@ -1182,7 +1182,7 @@ static inline void inode_dec_dirty_pages(struct inode *inode) !S_ISLNK(inode->i_mode)) return; - atomic_dec(&F2FS_I(inode)->dirty_pages); + percpu_counter_dec(&F2FS_I(inode)->dirty_pages); dec_page_count(F2FS_I_SB(inode), S_ISDIR(inode->i_mode) ? F2FS_DIRTY_DENTS : F2FS_DIRTY_DATA); } @@ -1192,9 +1192,9 @@ static inline s64 get_pages(struct f2fs_sb_info *sbi, int count_type) return percpu_counter_sum_positive(&sbi->nr_pages[count_type]); } -static inline int get_dirty_pages(struct inode *inode) +static inline s64 get_dirty_pages(struct inode *inode) { - return atomic_read(&F2FS_I(inode)->dirty_pages); + return percpu_counter_sum_positive(&F2FS_I(inode)->dirty_pages); } static inline int get_blocktype_secs(struct f2fs_sb_info *sbi, int block_type) |