linux-kernel - Re: [RFC 1/7] cpuset write dirty map

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Message-ID: <Pine.LNX.4.64.0707111311040.18429@schroedinger.engr.sgi.com>
Date:	Wed, 11 Jul 2007 13:11:48 -0700 (PDT)
From:	Christoph Lameter <clameter@....com>
To:	Ethan Solomita <solo@...gle.com>
cc:	Andrew Morton <akpm@...gle.com>, linux-mm@...ck.org,
	LKML <linux-kernel@...r.kernel.org>, a.p.zijlstra@...llo.nl
Subject: Re: [RFC 1/7] cpuset write dirty map

On Wed, 11 Jul 2007, Ethan Solomita wrote:

> 	Christoph -- I have a question about one part of the patches. In
> throttle_vm_writeout() you added a clause that checks for __GFP_FS |
> __GFP_IO and if they're not both set it calls blk_congestion_wait()
> immediately and then returns, no change for looping. Two questions:
> 
> 1. This seems like an unrelated bug fix. Should you submit it as a
> standalone patch?

This may be a leftover from earlier times when the logic was different in 
throttle vm writeout? 
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