From bd8839e03b8e70fbbe08bbff70d8cba95273c823 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Wed, 28 May 2014 13:39:21 +1000
Subject: [PATCH] md: refuse to change shape of array if it is active but
 read-only

read-only arrays should not be changed.  This includes changing
the level, layout, size, or number of devices.

So reject those changes for readonly arrays.

Signed-off-by: NeilBrown <neilb@suse.de>
---
Reading git-format-patch failed