linux-kernel - Re: workqueue flush

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Date:	Fri, 27 Jun 2008 11:07:59 -0700
From:	Max Krasnyansky <maxk@...lcomm.com>
To:	Oleg Nesterov <oleg@...sign.ru>
CC:	Peter Zijlstra <a.p.zijlstra@...llo.nl>, jarkao2@...pl,
	linux-kernel@...r.kernel.org
Subject: Re: workqueue flush_work() patches

Oleg Nesterov wrote:
> On 06/27, Max Krasnyansky wrote:
>> I'm not sure if you guys saw my last email on this. So I'll restart the 
>> thread.
>> If you guys are ok with the summary I provided below I can put all 
>> Oleg's patches into some git tree, test them on my boxes and resend to 
>> Andrew.
> 
> I'll re-send these flush_work() patches to Andrew on Sunday,
Excellent. Feel free to include
Acked-By: Max Krasnyansky <maxk@...lcomm.com>

>> I was also going to go over the users of flush_queued_work() and 
>> convert them to cancel_work_sync() and/or flush_work().
> 
> I think this would be very nice in any case.
> 
> but I don't think flush_work() will find a lot of users...
Well, you've already found one (schedule_on_each_cpu()) there will 
probably be more. But I agree that flush is mostly used in cleanup 
procedures and therefor most users just need cancel_work_sync().

Max
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