From 6a092dfd51e5af9b321d683d4b4eddc79e2606ed Mon Sep 17 00:00:00 2001
From: Lai Jiangshan <laijs@cn.fujitsu.com>
Date: Wed, 20 Mar 2013 03:28:03 +0800
Subject: [PATCH] workqueue: simplify current_is_workqueue_rescuer()

We can test worker->recue_wq instead of reaching into
current_pwq->wq->rescuer and then comparing it to self.

tj: Commit message.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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