f2fs: add missing version info in superblock
The mkfs.f2fs remains kernel version in superblock, but f2fs module has not
added that so far.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 591f8c3..8d345c2 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -50,6 +50,8 @@
#define MAX_ACTIVE_NODE_LOGS 8
#define MAX_ACTIVE_DATA_LOGS 8
+#define VERSION_LEN 256
+
/*
* For superblock
*/
@@ -86,6 +88,9 @@
__le32 extension_count; /* # of extensions below */
__u8 extension_list[F2FS_MAX_EXTENSION][8]; /* extension array */
__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 */
} __packed;
/*