diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index d0e746e965118f9dd6410f1b65396e5650cf483a..549219d44f1c1231db1215b092544bdfe7503fde 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -1543,7 +1543,7 @@ static struct file_system_type ext2_fs_type = {
 	.name		= "ext2",
 	.mount		= ext2_mount,
 	.kill_sb	= kill_block_super,
-	.fs_flags	= FS_REQUIRES_DEV,
+	.fs_flags	= FS_REQUIRES_DEV | FS_CGROUP_WRITEBACK,
 };
 MODULE_ALIAS_FS("ext2");