linux-kernel - Re: [RFC][PATCH 01/16] writeback: do not self-wakeup

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Date:	Sun, 18 Jul 2010 12:43:09 +0300
From:	Artem Bityutskiy <dedekind1@...il.com>
To:	Christoph Hellwig <hch@...radead.org>
Cc:	Jens Axboe <axboe@...nel.dk>, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC][PATCH 01/16] writeback: do not self-wakeup

On Sun, 2010-07-18 at 02:44 -0400, Christoph Hellwig wrote:
> On Fri, Jul 16, 2010 at 03:44:57PM +0300, Artem Bityutskiy wrote:
> > From: Artem Bityutskiy <Artem.Bityutskiy@...ia.com>
> > 
> > The bdi forker thread wakes up itself via 'bdi_add_to_pending()'.
> > And the thread is the only user of 'bdi_add_to_pending()'. Thus,
> > we can safely zap the unneeded 'wake_up_process()' call.
> 
> At least right now it's called using call_rcu, which offloads the function
> to a RCU thread of some sorts.

Christoph, thanks for your review. I'll amend my series and re-send. And
I also have to think about some of your suggestions.

I did not CC you to spam your mailbox less, since I'm sure you would not
miss the series in the fsdevel ML. But if you prefer being CCed, let me
know.

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)

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