f2fs: add symbol to avoid any confusion with tools

This patch adds MAX_VOLUME_NAME to sync with f2fs-tools.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 25c6324a0dd04a9be333fcd22e9b4ffdda9c0796..e59c3be921069635c90da255087b12978bf70c9a 100644 (file)
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -51,6 +51,7 @@
 #define MAX_ACTIVE_DATA_LOGS   8
 
 #define VERSION_LEN    256
+#define MAX_VOLUME_NAME                512
 
 /*
  * For superblock
@@ -84,7 +85,7 @@ struct f2fs_super_block {
        __le32 node_ino;                /* node inode number */
        __le32 meta_ino;                /* meta inode number */
        __u8 uuid[16];                  /* 128-bit uuid for volume */
-       __le16 volume_name[512];        /* volume name */
+       __le16 volume_name[MAX_VOLUME_NAME];    /* volume name */
        __le32 extension_count;         /* # of extensions below */
        __u8 extension_list[F2FS_MAX_EXTENSION][8];     /* extension array */
        __le32 cp_payload;