linux-kernel - Re: [PATCH 2/5] writeback: dirty position control

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Message-ID: <20110826132445.GA8219@localhost>
Date:	Fri, 26 Aug 2011 21:24:45 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Vivek Goyal <vgoyal@...hat.com>,
	"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>,
	Andrea Righi <arighi@...eler.com>,
	linux-mm <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/5] writeback: dirty position control

On Fri, Aug 26, 2011 at 09:18:21PM +0800, Peter Zijlstra wrote:
> On Fri, 2011-08-26 at 21:13 +0800, Wu Fengguang wrote:
> > We got similar result as in the read disturber case, even though one
> > disturbs N and the other impacts writeout bandwith.  The original
> > patchset is consistently performing much better :) 
> 
> It does indeed, and I figure on these timescales it makes sense to
> assumes N is a constant. Fair enough, thanks!

Thank you! Glad that we finally reaches some consensus :)

Thanks,
Fengguang
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