From 7e83ccbecd608b971f340e951c9e84cd0343002f Mon Sep 17 00:00:00 2001
From: Martin Wilck <mwilck@arcor.de>
Date: Wed, 24 Apr 2013 11:42:42 +1000
Subject: [PATCH] md/raid10: Allow skipping recovery when clean arrays are
 assembled

When an array is assembled incrementally with mdadm -I -R
and the array switches to "active" mode, md starts a recovery.

If the array was clean, the "fullsync" flag will be 0. Skip
the full recovery in this case, as RAID1 does (the code was
actually copied from the sync_request() method of RAID1).

Signed-off-by: Martin Wilck <mwilck@arcor.de>
Signed-off-by: NeilBrown <neilb@suse.de>
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