From: Lars Ellenberg <lars.ellenberg@linbit.com>
Date: Wed, 22 Aug 2012 09:47:14 +0000 (+0200)
Subject: drbd: dequeue single work items in wait_for_work()
X-Git-Tag: v3.8-rc1~78^2~18^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bc317a9ecd641b78a4b237cb22b30ecf11443c77;p=pandora-kernel.git

drbd: dequeue single work items in wait_for_work()

As long as we still use drbd_queue_work_front(),
we must only dequeue the single first item during normal operation.

The comment in drbd_worker() even says so,
but bc8a5a1 drbd: remove struct drbd_tl_epoch objects (barrier works)
introduced the batch dequeueing again via list_splice_init() in
wait_for_work().

Change back to list_move() of the first item, if any.

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