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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-09-03 02:31:18 +0400 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2014-09-04 04:37:13 +0400 |
| commit | 4081363fbe84a7ebac6d3339dd2775df45d856d0 (patch) | |
| tree | 1484b33d753ff03255077b77c3d8f1c45c67e6af /fs/f2fs/f2fs.h | |
| parent | 70c8038dd698b44daf7c8fc7e2eca142bec694c4 (diff) | |
| download | linux-4081363fbe84a7ebac6d3339dd2775df45d856d0.tar.xz | |
f2fs: introduce F2FS_I_SB, F2FS_M_SB, and F2FS_P_SB
This patch adds three inline functions to clean up dirty casting codes.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index e921242186f6..222ff5b4d1e1 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -539,6 +539,21 @@ static inline struct f2fs_sb_info *F2FS_SB(struct super_block *sb) return sb->s_fs_info; } +static inline struct f2fs_sb_info *F2FS_I_SB(struct inode *inode) +{ + return F2FS_SB(inode->i_sb); +} + +static inline struct f2fs_sb_info *F2FS_M_SB(struct address_space *mapping) +{ + return F2FS_I_SB(mapping->host); +} + +static inline struct f2fs_sb_info *F2FS_P_SB(struct page *page) +{ + return F2FS_M_SB(page->mapping); +} + static inline struct f2fs_super_block *F2FS_RAW_SUPER(struct f2fs_sb_info *sbi) { return (struct f2fs_super_block *)(sbi->raw_super); @@ -718,7 +733,7 @@ static inline void inc_page_count(struct f2fs_sb_info *sbi, int count_type) static inline void inode_inc_dirty_dents(struct inode *inode) { - inc_page_count(F2FS_SB(inode->i_sb), F2FS_DIRTY_DENTS); + inc_page_count(F2FS_I_SB(inode), F2FS_DIRTY_DENTS); atomic_inc(&F2FS_I(inode)->dirty_dents); } @@ -732,7 +747,7 @@ static inline void inode_dec_dirty_dents(struct inode *inode) if (!S_ISDIR(inode->i_mode)) return; - dec_page_count(F2FS_SB(inode->i_sb), F2FS_DIRTY_DENTS); + dec_page_count(F2FS_I_SB(inode), F2FS_DIRTY_DENTS); atomic_dec(&F2FS_I(inode)->dirty_dents); } @@ -1359,12 +1374,12 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) #define stat_inc_inline_inode(inode) \ do { \ if (f2fs_has_inline_data(inode)) \ - ((F2FS_SB(inode->i_sb))->inline_inode++); \ + ((F2FS_I_SB(inode))->inline_inode++); \ } while (0) #define stat_dec_inline_inode(inode) \ do { \ if (f2fs_has_inline_data(inode)) \ - ((F2FS_SB(inode->i_sb))->inline_inode--); \ + ((F2FS_I_SB(inode))->inline_inode--); \ } while (0) #define stat_inc_seg_type(sbi, curseg) \ |