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Date:	Tue, 3 Jul 2007 07:37:44 +0200
From:	Jarek Poplawski <>
To:	Oleg Nesterov <>
Cc:	Andrew Morton <>,
	David Howells <>,
	Ingo Molnar <>,
	Steven Rostedt <>,
	Tejun Heo <>,
Subject: Re: [PATCH 2/3] make cancel_xxx_work_sync() return a boolean

On Sun, Jul 01, 2007 at 07:37:10PM +0400, Oleg Nesterov wrote:
> Change cancel_work_sync() and cancel_delayed_work_sync() to return a boolean
> indicating whether the work was actually cancelled. A zero return value means
> that the work was not pending/queued.
> Without that kind of change it is not possible to avoid flush_workqueue()
> sometimes, see the next patch as an example.
> Also, this patch unifies both functions and kills the (unlikely) busy-wait loop.
> Signed-off-by: Oleg Nesterov <>

Acked-by: Jarek Poplawski <>

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