linux-kernel - Re: [PATCHSET] backing-dev: replace private thread pool with workqueue

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Message-ID: <4C862DDC.6010702@kernel.org>
Date:	Tue, 07 Sep 2010 14:19:40 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Christoph Hellwig <hch@....de>
CC:	jaxboe@...ionio.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCHSET] backing-dev: replace private thread pool with workqueue

Hello,

On 09/07/2010 02:16 PM, Christoph Hellwig wrote:
> What does this conversion buy us?
> 
> Having explicit per-bdi threads makes the model very simple and safe,
> while I don't quite trust the now extremly complex work queues yet.

Well, the whole idea behind the new workqueue is unifying all those
dedicated pools of threads.  If the conversion is too early given the
new workqueue implementation, we can postpone bdi conversion by one
more release cycle, but in the long run there is no point in keeping
these private thread pools.

Thanks.

-- 
tejun
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