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

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Message-ID: <1313142474.6576.10.camel@twins>
Date:	Fri, 12 Aug 2011 11:47:54 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Wu Fengguang <fengguang.wu@...el.com>
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 2/5] writeback: dirty position control

On Fri, 2011-08-12 at 10:43 +0800, Wu Fengguang wrote:
> >                s - x 3
> >  f(x) :=  1 + (-----)
> >                l - s
> 

> Looks very neat, much simpler than the three curves solution!

Glad you like it, there is of course the small matter of real-world
behaviour to consider, lets hope that works as well :-)
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