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f2fs: introduce F2FS_I_SB, F2FS_M_SB, and F2FS_P_SB

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This patch adds three inline functions to clean up dirty casting codes.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim
2014-09-02 15:31:18 -07:00
parent 70c8038dd6
commit 4081363fbe
14 changed files with 103 additions and 114 deletions
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fs/f2fs/f2fs.h
+19 -4
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@@ -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) \