From: Tejun Heo <tj@kernel.org>
Date: Thu, 16 Sep 2010 08:48:29 +0000 (+0200)
Subject: workqueue: implement flush[_delayed]_work_sync()
X-Git-Tag: v2.6.37-rc1~164^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=09383498c5d35262e643bfdbae84826177a3c624;p=pandora-kernel.git

workqueue: implement flush[_delayed]_work_sync()

Implement flush[_delayed]_work_sync().  These are flush functions
which also make sure no CPU is still executing the target work from
earlier queueing instances.  These are similar to
cancel[_delayed]_work_sync() except that the target work item is
flushed instead of cancelled.

Signed-off-by: Tejun Heo <tj@kernel.org>
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