linux-kernel - Re: [PATCH 21/23] io-controller: Per io group bdi congestion interface

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Message-ID: <4A9C2946.4070006@redhat.com>
Date:	Mon, 31 Aug 2009 15:49:26 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Vivek Goyal <vgoyal@...hat.com>
CC:	linux-kernel@...r.kernel.org, jens.axboe@...cle.com,
	containers@...ts.linux-foundation.org, dm-devel@...hat.com,
	nauman@...gle.com, dpshah@...gle.com, lizf@...fujitsu.com,
	mikew@...gle.com, fchecconi@...il.com, paolo.valente@...more.it,
	ryov@...inux.co.jp, fernando@....ntt.co.jp, s-uchida@...jp.nec.com,
	taka@...inux.co.jp, guijianfeng@...fujitsu.com, jmoyer@...hat.com,
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	akpm@...ux-foundation.org, peterz@...radead.org,
	jmarchan@...hat.com, torvalds@...ux-foundation.org, mingo@...e.hu
Subject: Re: [PATCH 21/23] io-controller: Per io group bdi congestion interface

Vivek Goyal wrote:
> o So far there used to be only one pair or queue  of request descriptors
>   (one for sync and one for async) per device and number of requests allocated
>   used to decide whether associated bdi is congested or not.

Acked-by: Rik van Riel <riel@...hat.com>
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