From: NeilBrown <neilb@suse.de>
Date: Tue, 26 Jul 2011 01:20:35 +0000 (+1000)
Subject: md/raid5: Protect some more code with ->device_lock.
X-Git-Tag: v3.1-rc1~131^2~68
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cbe47ec559c33a68b5ee002051b848d1531a8adb;p=pandora-kernel.git

md/raid5: Protect some more code with ->device_lock.

Other places that change or follow dev->towrite and dev->written take
the device_lock as well as the sh->lock.
So it should really be held in these places too.
Also, doing so will allow sh->lock to be discarded.

with merged fixes by: Namhyung Kim <namhyung@gmail.com>


Signed-off-by: NeilBrown <neilb@suse.de>
Reviewed-by: Namhyung Kim <namhyung@gmail.com>
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