f2fs: replace test_and_set/clear_bit() with set/clear_bit()

Since set/clear_inode_flag() don't need to return value to show
if flag is set, we can just call set/clear_bit() here.
Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

fs/f2fs/f2fs.h

@@ -2656,7 +2656,7 @@ static inline void __mark_inode_dirty_flag(struct inode *inode,
 
 static inline void set_inode_flag(struct inode *inode, int flag)
 {
-	test_and_set_bit(flag, F2FS_I(inode)->flags);
+	set_bit(flag, F2FS_I(inode)->flags);
 	__mark_inode_dirty_flag(inode, flag, true);
 }
 
@@ -2667,7 +2667,7 @@ static inline int is_inode_flag_set(struct inode *inode, int flag)
 
 static inline void clear_inode_flag(struct inode *inode, int flag)
 {
-	test_and_clear_bit(flag, F2FS_I(inode)->flags);
+	clear_bit(flag, F2FS_I(inode)->flags);
 	__mark_inode_dirty_flag(inode, flag, false);
 }