linux-kernel - Re: [PATCH 1/2] block: loop: convert to per-device workqueue

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Date:	Tue, 5 May 2015 10:00:34 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Ming Lei <ming.lei@...onical.com>
Cc:	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org,
	"Justin M. Forbes" <jforbes@...oraproject.org>,
	Jeff Moyer <jmoyer@...hat.com>,
	Christoph Hellwig <hch@...radead.org>,
	"v4.0" <stable@...r.kernel.org>
Subject: Re: [PATCH 1/2] block: loop: convert to per-device workqueue

On Tue, May 05, 2015 at 07:49:54PM +0800, Ming Lei wrote:
> Documentation/workqueue.txt:
> 	If there is dependency among multiple work items used
> 	during memory reclaim, they should be queued to separate
> 	wq each with WQ_MEM_RECLAIM.
> 
> Loop devices can be stacked, so we have to convert to per-device
> workqueue. One example is Fedora live CD.
> 
> Fixes: b5dd2f6047ca108001328aac0e8588edd15f1778
> Cc: stable@...r.kernel.org (v4.0)
> Cc: Justin M. Forbes <jforbes@...oraproject.org>
> Signed-off-by: Ming Lei <ming.lei@...onical.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun
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