f2fs: add feature facility in superblock
This patch introduces a feature in superblock, which will indicate any new
features for f2fs.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 8d345c2..d44e97f 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -90,7 +90,8 @@
__le32 cp_payload;
__u8 version[VERSION_LEN]; /* the kernel version */
__u8 init_version[VERSION_LEN]; /* the initial kernel version */
- __u8 reserved[892]; /* valid reserved region */
+ __le32 feature; /* defined features */
+ __u8 reserved[888]; /* valid reserved region */
} __packed;
/*