From 5ed1df2eacc0ba92c8c7e2499c97594b5ef928a8 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.com>
Date: Fri, 24 Jul 2015 13:27:08 +1000
Subject: [PATCH] md: sync sync_completed has correct value as recovery
 finishes.

There can be a small window between the moment that recovery
actually writes the last block and the time when various sysfs
and /proc/mdstat attributes report that it has finished.
During this time, 'sync_completed' can have the wrong value.
This can confuse monitoring software.

So:
 - don't set curr_resync_completed beyond the end of the devices,
 - set it correctly when resync/recovery has completed.

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