From 16d9cfab930bb6f4946cff8ba7429701fd15b414 Mon Sep 17 00:00:00 2001
From: Eric Mei <eric.mei@seagate.com>
Date: Tue, 6 Jan 2015 09:35:02 -0800
Subject: [PATCH] raid5: check faulty flag for array status during recovery.

When we have more than 1 drive failure, it's possible we start
rebuild one drive while leaving another faulty drive in array.
To determine whether array will be optimal after building, current
code only check whether a drive is missing, which could potentially
lead to data corruption. This patch is to add checking Faulty flag.

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