linux-kernel - Re: [PATCH 3/4] writeback: replace custom worker pool implementation with unbound workqueue

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Message-ID: <20130318223526.GH3042@htj.dyndns.org>
Date:	Mon, 18 Mar 2013 15:35:26 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Jan Kara <jack@...e.cz>
Cc:	axboe@...nel.dk, laijs@...fujitsu.com, fengguang.wu@...el.com,
	linux-kernel@...r.kernel.org, jmoyer@...hat.com
Subject: Re: [PATCH 3/4] writeback: replace custom worker pool implementation
 with unbound workqueue

Hello, Jan.

On Mon, Mar 18, 2013 at 11:32:44PM +0100, Jan Kara wrote:
>   I realized there may be one issue - so far we have a clear identification
> which thread works for which bdi in the thread name (flush-x:y naming).
> That was useful when debugging things. Now with your worker pool this is
> lost, am I right? Would it be possible to restore that?

Unfortunately not directly.  It shouldn't be difficult to tell who's
working on what from workqueue and writeback tracepoints tho.

Thanks.

-- 
tejun
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