From: NeilBrown <neilb@suse.de>
Date: Thu, 22 Dec 2011 22:57:00 +0000 (+1100)
Subject: md/raid5: ensure correct assessment of drives during degraded reshape.
X-Git-Tag: v3.2-rc7~8^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30d7a4836847bdb10b32c78a4879d4aebe0f193b;p=pandora-kernel.git

md/raid5: ensure correct assessment of drives during degraded reshape.

While reshaping a degraded array (as when reshaping a RAID0 by first
converting it to a degraded RAID4) we currently get confused about
which devices are in_sync.  In most cases we get it right, but in the
region that is being reshaped we need to treat non-failed devices as
in-sync when we have the data but haven't actually written it out yet.

Reported-by: Adam Kwolek <adam.kwolek@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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