From 53a08cb9b8bccfe58f1228c7c27baf34a83da78b Mon Sep 17 00:00:00 2001
From: Miklos Szeredi <mszeredi@suse.cz>
Date: Sat, 13 Dec 2014 00:59:51 +0100
Subject: [PATCH] ovl: make upperdir optional

Make "upperdir=" mount option optional.  If "upperdir=" is not given, then
the "workdir=" option is also optional (and ignored if given).

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
---
Reading git-format-patch failed