From 4081363fbe84a7ebac6d3339dd2775df45d856d0 Mon Sep 17 00:00:00 2001 From: Jaegeuk Kim Date: Tue, 2 Sep 2014 15:31:18 -0700 Subject: 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 --- fs/f2fs/f2fs.h | 23 +++++++++++++++++++---- 1 file changed, 19 insertions(+), 4 deletions(-) (limited to 'fs/f2fs/f2fs.h') 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) \ -- cgit v1.2.3-70-g09d2