From: Philipp Reisner <philipp.reisner@linbit.com>
Date: Mon, 28 Apr 2014 16:43:33 +0000 (+0200)
Subject: drbd: Test cstate while holding req_lock
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~39^2~47^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=02df6fe145715f1d3858c0c65aed991f148b70b4;p=pandora-kernel.git

drbd: Test cstate while holding req_lock

In case a connection transitions into C_TIMEOUT within the timer
function (request_timer_fn()) we need to make sure that the receiver
thread (potentially running on a different CPU) sees the updated
cstate later on.

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

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