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>
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index e921242..222ff5b 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -539,6 +539,21 @@
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 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 @@
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 @@
#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) \