diff --git a/include/linux/ext4_fs_sb.h b/include/linux/ext4_fs_sb.h
index 1b2ffee..0a8e47d 100644
--- a/include/linux/ext4_fs_sb.h
+++ b/include/linux/ext4_fs_sb.h
@@ -45,6 +45,7 @@
 	struct ext4_super_block * s_es;	/* Pointer to the super block in the buffer */
 	struct buffer_head ** s_group_desc;
 	unsigned long  s_mount_opt;
+	ext4_fsblk_t s_sb_block;
 	uid_t s_resuid;
 	gid_t s_resgid;
 	unsigned short s_mount_state;