linux-kernel - Re: [PATCH 3/5] writeback: dirty rate control

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Message-ID: <20110810141052.GC29724@localhost>
Date:	Wed, 10 Aug 2011 22:10:52 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Jan Kara <jack@...e.cz>, Christoph Hellwig <hch@....de>,
	Dave Chinner <david@...morbit.com>,
	Greg Thelen <gthelen@...gle.com>,
	Minchan Kim <minchan.kim@...il.com>,
	Vivek Goyal <vgoyal@...hat.com>,
	Andrea Righi <arighi@...eler.com>,
	linux-mm <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/5] writeback: dirty rate control

On Wed, Aug 10, 2011 at 12:56:56AM +0800, Peter Zijlstra wrote:
> On Sat, 2011-08-06 at 16:44 +0800, Wu Fengguang wrote:
> >              bdi->dirty_ratelimit = (bw * 3 + ref_bw) / 4;
> 
> I can't actually find this low-pass filter in the code.. could be I'm
> blind from staring at it too long though..

Sorry, it's implemented in another patch (attached). I've also removed
it from _this_ changelog.

Here you can find all the other patches in addition to the core bits.

http://git.kernel.org/?p=linux/kernel/git/wfg/writeback.git;a=shortlog;h=refs/heads/dirty-throttling-v8%2B

Thanks,
Fengguang

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