From: NeilBrown <neilb@suse.de>
Date: Thu, 11 Oct 2012 02:50:12 +0000 (+1100)
Subject: md/raid5: add some missing locking in handle_failed_stripe.
X-Git-Tag: v3.7-rc1~10^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=143c4d0573caebe0ae017097614349697e2280eb;p=pandora-kernel.git

md/raid5: add some missing locking in handle_failed_stripe.

We really should hold the stripe_lock while accessing
'toread' else we could race with add_stripe_bio and corrupt
a list.

Reported-by: "Jianpeng Ma" <majianpeng@gmail.com>
Signed-off-by: NeilBrown <neilb@suse.de>
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