linux-kernel - Re: [patch 2/5] fs: improve scalability of bdi writeback work queues

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Message-ID: <20090915193119.GS23126@kernel.dk>
Date:	Tue, 15 Sep 2009 21:31:19 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	npiggin@...e.de
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [patch 2/5] fs: improve scalability of bdi writeback work
	queues

On Wed, Sep 16 2009, npiggin@...e.de wrote:
> If you're going to do an atomic RMW on each list entry, there's not much
> point in all the RCU complexities of the list walking. This is only going
> to help the multi-thread case I guess, but it doesn't hurt to do now.

Thanks Nick, good optimization.

-- 
Jens Axboe

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