linux-kernel - Re: [PATCH V4 1/4] workqueue: Add system wide system_freezable_unbound

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Message-ID: <CAKohponXTYSdmk71DNYsYtwU9GEYwnGcj-_wjLEZfxvEhzPWWQ@mail.gmail.com>
Date:	Mon, 1 Apr 2013 10:55:37 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Amit Kucheria <amit.kucheria@...aro.org>
Cc:	Tejun Heo <tj@...nel.org>, axboe@...nel.dk,
	Robin Randhawa <robin.randhawa@....com>,
	linux-rt-users@...r.kernel.org,
	Patch Tracking <patches@...aro.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Liviu Dudau <Liviu.Dudau@....com>,
	linux-kernel@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>,
	Lists linaro-kernel <linaro-kernel@...ts.linaro.org>,
	Steve Bannister <Steve.Bannister@....com>, airlied@...hat.com,
	Arvind Chauhan <arvind.chauhan@....com>, mingo@...hat.com,
	davem@...emloft.net,
	Charles Garcia-Tobin <charles.garcia-tobin@....com>
Subject: Re: [PATCH V4 1/4] workqueue: Add system wide system_freezable_unbound_wq

On 1 April 2013 10:50, Amit Kucheria <amit.kucheria@...aro.org> wrote:
> On Sun, Mar 31, 2013 at 8:01 PM, Viresh Kumar <viresh.kumar@...aro.org> wrote:
>> This patch adds system wide system_freezable_unbound_wq which will be used by
>> code that currently uses system_freezable_wq and can be moved to unbound
>> workqueues.
>
> _Why_ do i need this change?

Block layer uses system_freezable_wq for some work and to migrate them to a
UNBOUND wq it was required. Sorry if it is yet not clear.
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