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[dm-devel] Re: [PATCH 18/23] io-controller: blkio_cgroup patches from Ryo to track async bios.

From: Rik van Riel <riel redhat com>
To: Vivek Goyal <vgoyal redhat com>
Cc: dhaval linux vnet ibm com, peterz infradead org, dm-devel redhat com, dpshah google com, jens axboe oracle com, agk redhat com, balbir linux vnet ibm com, paolo valente unimore it, jmarchan redhat com, guijianfeng cn fujitsu com, fernando oss ntt co jp, mikew google com, jmoyer redhat com, nauman google com, mingo elte hu, m-ikeda ds jp nec com, lizf cn fujitsu com, fchecconi gmail com, s-uchida ap jp nec com, containers lists linux-foundation org, linux-kernel vger kernel org, akpm linux-foundation org, righi andrea gmail com, torvalds linux-foundation org
Subject: [dm-devel] Re: [PATCH 18/23] io-controller: blkio_cgroup patches from Ryo to track async bios.
Date: Mon, 31 Aug 2009 13:34:54 -0400

Vivek Goyal wrote:

o blkio_cgroup patches from Ryo to track async bios.

o This functionality is used to determine the group of async IO from page
  instead of context of submitting task.

Signed-off-by: Hirokazu Takahashi <taka valinux co jp>
Signed-off-by: Ryo Tsuruta <ryov valinux co jp>
Signed-off-by: Vivek Goyal <vgoyal redhat com>


This seems to be the most complex part of the code so far,
but I see why this code is necessary.

Acked-by: Rik van Riel <riel redhat com>

Follow-Ups:
- [dm-devel] Re: [PATCH 18/23] io-controller: blkio_cgroup patches from Ryo to track async bios.
  - From: Vivek Goyal

References:
- [dm-devel] [RFC] IO scheduler based IO controller V9
  - From: Vivek Goyal
- [dm-devel] [PATCH 18/23] io-controller: blkio_cgroup patches from Ryo to track async bios.
  - From: Vivek Goyal

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