From db07d85ef6395d4768c6cdceeb2ea4878bd2a3f4 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Thu, 11 Oct 2012 14:22:17 +1100
Subject: [PATCH] md: make sure manual changes to recovery checkpoint are
 saved.

If you make an array bigger but suppress resync of the new region with
  mdadm --grow /dev/mdX --size=max --assume-clean

then stop the array before anything is written to it, the effect of
the "--assume-clean" is lost and the array will resync the new space
when restarted.
So ensure that we update the metadata in the case.

Reported-by: Sebastian Riemer <sebastian.riemer@profitbricks.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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Reading git-format-patch failed