From 715f1300802e6eaefa85f6cfc70ae99af3d5d497 Mon Sep 17 00:00:00 2001
From: Tejun Heo <tj@kernel.org>
Date: Fri, 3 Aug 2012 10:30:46 -0700
Subject: [PATCH] workqueue: fix zero @delay handling of
 queue_delayed_work_on()

If @delay is zero and the dealyed_work is idle, queue_delayed_work()
queues it for immediate execution; however, queue_delayed_work_on()
lacks this logic and always goes through timer regardless of @delay.

This patch moves 0 @delay handling logic from queue_delayed_work() to
queue_delayed_work_on() so that both functions behave the same.

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