From mboxrd@z Thu Jan  1 00:00:00 1970
From: Wu Fengguang <fengguang.wu@intel.com>
Subject: Re: [PATCH 2/5] writeback: dirty position control
Date: Wed, 10 Aug 2011 20:28:04 +0800
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Cc: "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Jan Kara <jack@suse.cz>, Christoph Hellwig <hch@lst.de>,
	Dave Chinner <david@fromorbit.com>,
	Greg Thelen <gthelen@google.com>,
	Minchan Kim <minchan.kim@gmail.com>,
	Vivek Goyal <vgoyal@redhat.com>,
	Andrea Righi <arighi@develer.com>,
	linux-mm <linux-mm@kvack.org>,
	LKML <linux-kernel@vger.kernel.org>
To: Peter Zijlstra <peterz@infradead.org>
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On Tue, Aug 09, 2011 at 05:31:44PM +0800, Peter Zijlstra wrote:
> On Tue, 2011-08-09 at 06:47 +0800, Wu Fengguang wrote:
> > origin is where the control line crosses the X axis (in both the
> > global/bdi setpoint cases). 
> 
> Ah, that's normally called zero, root or or x-intercept:
> 
> http://en.wikipedia.org/wiki/X-intercept

Yes indeed! I'll change the name to x_intercept.

Thanks,
Fengguang