From: NeilBrown <neilb@suse.de>
Date: Mon, 31 Jan 2011 00:57:42 +0000 (+1100)
Subject: md: revert change to raid_disks on failure.
X-Git-Tag: v2.6.38-rc5~55^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=de171cb9a52598cc023adceafc6c166112401386;p=pandora-kernel.git

md: revert change to raid_disks on failure.

If we try to update_raid_disks and it fails, we should put
'delta_disks' back to zero.  This is important because some code,
such as slot_store, assumes that delta_disks has been validated.

Signed-off-by: NeilBrown <neilb@suse.de>
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