diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h
index 3dd2090..66c3499 100644
--- a/include/linux/jbd2.h
+++ b/include/linux/jbd2.h
@@ -850,7 +850,8 @@
 	 */
 	struct block_device	*j_dev;
 	int			j_blocksize;
-	unsigned long long		j_blk_offset;
+	unsigned long long	j_blk_offset;
+	char			j_devname[BDEVNAME_SIZE+24];
 
 	/*
 	 * Device which holds the client fs.  For internal journal this will be