diff --git a/[refs] b/[refs]
index e304fd26b6fd..05f37ec3462b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2201c590dd6e802795e21e69e3c152c519f1568e
+refs/heads/master: 856cbcf9a971b43a83e78ac708ed6459ab1d0c89
diff --git a/trunk/fs/ext4/ext4.h b/trunk/fs/ext4/ext4.h
index 315f01be73e6..c2314dcbe4fb 100644
--- a/trunk/fs/ext4/ext4.h
+++ b/trunk/fs/ext4/ext4.h
@@ -1420,8 +1420,9 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei)
 #define EXT4_FEATURE_INCOMPAT_FLEX_BG		0x0200
 #define EXT4_FEATURE_INCOMPAT_EA_INODE		0x0400 /* EA in inode */
 #define EXT4_FEATURE_INCOMPAT_DIRDATA		0x1000 /* data in dirent */
-#define EXT4_FEATURE_INCOMPAT_INLINEDATA	0x2000 /* data in inode */
+#define EXT4_FEATURE_INCOMPAT_BG_USE_META_CSUM	0x2000 /* use crc32c for bg */
 #define EXT4_FEATURE_INCOMPAT_LARGEDIR		0x4000 /* >2GB or 3-lvl htree */
+#define EXT4_FEATURE_INCOMPAT_INLINEDATA	0x8000 /* data in inode */
 
 #define EXT2_FEATURE_COMPAT_SUPP	EXT4_FEATURE_COMPAT_EXT_ATTR
 #define EXT2_FEATURE_INCOMPAT_SUPP	(EXT4_FEATURE_INCOMPAT_FILETYPE| \