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Date: Mon, 08 Aug 2011 16:31:49 +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 Mon, 2011-08-08 at 22:11 +0800, Wu Fengguang wrote:
> It's actually dead code because (origin < limit) should never happen.
> I feel so good being able to drop 5 more lines of code :)
OK, but that leaves me trying to figure out what origin is, and why its
4 * thresh.
I'm having a horrible time understanding this stuff.
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