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From: Ryo Tsuruta <ryov@valinux.co.jp>
To: righi.andrea@gmail.com
Cc: vgoyal@redhat.com, guijianfeng@cn.fujitsu.com, nauman@google.com,
	dpshah@google.com, lizf@cn.fujitsu.com, mikew@google.com,
	fchecconi@gmail.com, paolo.valente@unimore.it,
	jens.axboe@oracle.com, fernando@oss.ntt.co.jp,
	s-uchida@ap.jp.nec.com, taka@valinux.co.jp, jmoyer@redhat.com,
	dhaval@linux.vnet.ibm.com, balbir@linux.vnet.ibm.com,
	linux-kernel@vger.kernel.org,
	containers@lists.linux-foundation.org, agk@redhat.com,
	dm-devel@redhat.com, snitzer@redhat.com, m-ikeda@ds.jp.nec.com,
	akpm@linux-foundation.org
Subject: Re: [PATCH] io-controller: Add io group reference handling for request
Date: Wed, 27 May 2009 20:53:29 +0900 (JST)	[thread overview]
Message-ID: <20090527.205329.189719252.ryov@valinux.co.jp> (raw)
In-Reply-To: <20090527081749.GA7237@linux>

Andrea Righi <righi.andrea@gmail.com> wrote:
> On Wed, May 27, 2009 at 03:56:31PM +0900, Ryo Tsuruta wrote:
> > > I think that only putting the hook in try_to_unmap() doesn't work
> > > correctly, because IOs will be charged to reclaiming processes or
> > > kswapd. These IOs should be charged to processes which cause memory
> > > pressure.
> > 
> > Consider the following case:
> > 
> >   (1) There are two processes Proc-A and Proc-B.
> >   (2) Proc-A maps a large file into many pages by mmap() and writes
> >       many data to the file.
> >   (3) After (2), Proc-B try to get a page, but there are no available
> >       pages because Proc-A has used them.
> >   (4) kernel starts to reclaim pages, call try_to_unmap() to unmap
> >       a page which is owned by Proc-A, then blkio_cgroup_set_owner()
> >       sets Proc-B's ID on the page because the task's context is Proc-B.
> >   (5) After (4), kernel writes the page out to a disk. This IO is
> >       charged to Proc-B.
> > 
> > In the above case, I think that the IO should be charged to a Proc-A,
> > because the IO is caused by Proc-A's memory pressure. 
> > I think we should consider in the case without memory and swap
> > isolation.
> 
> mmmh.. even if they're strictly related I think we're mixing two
> different problems in this way: memory pressure control and IO control.
> 
> It seems you're proposing something like the badness() for OOM
> conditions to charge swap IO depending on how bad is a cgroup in terms
> of memory consumption. I don't think this is the right way to proceed,
> also because we already have the memory and swap control.

cgroups support multiple hierarchy and it allows to have different
divisions of tasks among hierarchy like below:

                                 PIDs
   mem+swap /hier1/grp1/tasks <= 1, 2, 3, 4
   blkio    /hier2/grp2/tasks <= 1, 2
                   grp3/tasks <= 3, 4

Don't we need to consider this case?

Thanks,
Ryo Tsuruta

  reply	other threads:[~2009-05-27 11:53 UTC|newest]

Thread overview: 295+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-05 19:58 IO scheduler based IO Controller V2 Vivek Goyal
2009-05-05 19:58 ` [PATCH 01/18] io-controller: Documentation Vivek Goyal
2009-05-06  3:16   ` Gui Jianfeng
     [not found]     ` <4A0100F4.4040400-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-06 13:31       ` Vivek Goyal
2009-05-06 13:31     ` Vivek Goyal
     [not found]   ` <1241553525-28095-2-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-06  3:16     ` Gui Jianfeng
2009-05-05 19:58 ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 02/18] io-controller: Common flat fair queuing code in elevaotor layer Vivek Goyal
2009-05-05 19:58 ` [PATCH 03/18] io-controller: Charge for time slice based on average disk rate Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 04/18] io-controller: Modify cfq to make use of flat elevator fair queuing Vivek Goyal
     [not found]   ` <1241553525-28095-5-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-22  8:54     ` Gui Jianfeng
2009-05-22  8:54   ` Gui Jianfeng
     [not found]     ` <4A166829.6070608-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-22 12:33       ` Vivek Goyal
2009-05-22 12:33     ` Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 05/18] io-controller: Common hierarchical fair queuing code in elevaotor layer Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-07  7:42   ` Gui Jianfeng
2009-05-07  8:05     ` Li Zefan
     [not found]     ` <4A0290ED.7080506-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-07  8:05       ` Li Zefan
2009-05-08 12:45       ` Vivek Goyal
2009-05-08 12:45     ` Vivek Goyal
     [not found]   ` <1241553525-28095-6-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-07  7:42     ` Gui Jianfeng
2009-05-08 21:09     ` Andrea Righi
2009-05-08 21:09   ` Andrea Righi
2009-05-08 21:17     ` Vivek Goyal
2009-05-08 21:17     ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 06/18] io-controller: cfq changes to use " Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 07/18] io-controller: Export disk time used and nr sectors dipatched through cgroups Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-13  2:39   ` Gui Jianfeng
     [not found]     ` <4A0A32CB.4020609-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-13 14:51       ` Vivek Goyal
2009-05-13 14:51     ` Vivek Goyal
2009-05-14  7:53       ` Gui Jianfeng
     [not found]       ` <20090513145127.GB7696-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-14  7:53         ` Gui Jianfeng
     [not found]   ` <1241553525-28095-8-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-13  2:39     ` Gui Jianfeng
2009-05-05 19:58 ` [PATCH 08/18] io-controller: idle for sometime on sync queue before expiring it Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-13 15:00   ` Vivek Goyal
2009-05-13 15:00   ` Vivek Goyal
2009-06-09  7:56   ` Gui Jianfeng
2009-06-09 17:51     ` Vivek Goyal
2009-06-09 17:51       ` Vivek Goyal
     [not found]       ` <20090609175131.GB13476-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-10  1:30         ` Gui Jianfeng
2009-06-10  1:30       ` Gui Jianfeng
2009-06-10  1:30         ` Gui Jianfeng
2009-06-10 13:26         ` Vivek Goyal
2009-06-10 13:26           ` Vivek Goyal
2009-06-11  1:22           ` Gui Jianfeng
2009-06-11  1:22             ` Gui Jianfeng
     [not found]           ` <20090610132638.GB19680-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-11  1:22             ` Gui Jianfeng
     [not found]         ` <4A2F0CBE.8030208-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-10 13:26           ` Vivek Goyal
     [not found]     ` <4A2E15B6.8030001-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-09 17:51       ` Vivek Goyal
     [not found]   ` <1241553525-28095-9-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-13 15:00     ` Vivek Goyal
2009-06-09  7:56     ` Gui Jianfeng
2009-05-05 19:58 ` [PATCH 09/18] io-controller: Separate out queue and data Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 10/18] io-conroller: Prepare elevator layer for single queue schedulers Vivek Goyal
2009-05-05 19:58 ` [PATCH 11/18] io-controller: noop changes for hierarchical fair queuing Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 12/18] io-controller: deadline " Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 13/18] io-controller: anticipatory " Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 14/18] blkio_cgroup patches from Ryo to track async bios Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 15/18] io-controller: map async requests to appropriate cgroup Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 16/18] io-controller: Per cgroup request descriptor support Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 17/18] io-controller: IO group refcounting support Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
     [not found]   ` <1241553525-28095-18-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-08  2:59     ` Gui Jianfeng
2009-05-08  2:59       ` Gui Jianfeng
2009-05-08 12:44       ` Vivek Goyal
     [not found]       ` <4A03A013.9000405-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-08 12:44         ` Vivek Goyal
2009-05-05 19:58 ` [PATCH 18/18] io-controller: Debug hierarchical IO scheduling Vivek Goyal
2009-05-05 19:58 ` Vivek Goyal
2009-05-06 21:40   ` IKEDA, Munehiro
     [not found]     ` <4A0203DB.1090809-MDRzhb/z0dd8UrSeD/g0lQ@public.gmane.org>
2009-05-06 21:58       ` Vivek Goyal
2009-05-06 21:58         ` Vivek Goyal
     [not found]         ` <20090506215833.GK8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-06 22:19           ` IKEDA, Munehiro
2009-05-06 22:19             ` IKEDA, Munehiro
     [not found]             ` <4A020CD5.2000308-MDRzhb/z0dd8UrSeD/g0lQ@public.gmane.org>
2009-05-06 22:24               ` Vivek Goyal
2009-05-06 22:24                 ` Vivek Goyal
     [not found]                 ` <20090506222458.GM8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-06 23:01                   ` IKEDA, Munehiro
2009-05-06 23:01                     ` IKEDA, Munehiro
     [not found]   ` <1241553525-28095-19-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-06 21:40     ` IKEDA, Munehiro
     [not found] ` <1241553525-28095-1-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-05 19:58   ` [PATCH 01/18] io-controller: Documentation Vivek Goyal
2009-05-05 19:58   ` [PATCH 02/18] io-controller: Common flat fair queuing code in elevaotor layer Vivek Goyal
2009-05-05 19:58     ` Vivek Goyal
2009-05-22  6:43     ` Gui Jianfeng
2009-05-22 12:32       ` Vivek Goyal
2009-05-23 20:04         ` Jens Axboe
     [not found]         ` <20090522123231.GA14972-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-23 20:04           ` Jens Axboe
     [not found]       ` <4A164978.1020604-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-22 12:32         ` Vivek Goyal
     [not found]     ` <1241553525-28095-3-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-22  6:43       ` Gui Jianfeng
2009-05-05 19:58   ` [PATCH 03/18] io-controller: Charge for time slice based on average disk rate Vivek Goyal
2009-05-05 19:58   ` [PATCH 04/18] io-controller: Modify cfq to make use of flat elevator fair queuing Vivek Goyal
2009-05-05 19:58   ` [PATCH 05/18] io-controller: Common hierarchical fair queuing code in elevaotor layer Vivek Goyal
2009-05-05 19:58   ` [PATCH 06/18] io-controller: cfq changes to use " Vivek Goyal
2009-05-05 19:58   ` [PATCH 07/18] io-controller: Export disk time used and nr sectors dipatched through cgroups Vivek Goyal
2009-05-05 19:58   ` [PATCH 08/18] io-controller: idle for sometime on sync queue before expiring it Vivek Goyal
2009-05-05 19:58   ` [PATCH 09/18] io-controller: Separate out queue and data Vivek Goyal
2009-05-05 19:58   ` [PATCH 10/18] io-conroller: Prepare elevator layer for single queue schedulers Vivek Goyal
2009-05-05 19:58     ` Vivek Goyal
2009-05-05 19:58   ` [PATCH 11/18] io-controller: noop changes for hierarchical fair queuing Vivek Goyal
2009-05-05 19:58   ` [PATCH 12/18] io-controller: deadline " Vivek Goyal
2009-05-05 19:58   ` [PATCH 13/18] io-controller: anticipatory " Vivek Goyal
2009-05-05 19:58   ` [PATCH 14/18] blkio_cgroup patches from Ryo to track async bios Vivek Goyal
2009-05-05 19:58   ` [PATCH 15/18] io-controller: map async requests to appropriate cgroup Vivek Goyal
2009-05-05 19:58   ` [PATCH 16/18] io-controller: Per cgroup request descriptor support Vivek Goyal
2009-05-05 19:58   ` [PATCH 17/18] io-controller: IO group refcounting support Vivek Goyal
2009-05-05 19:58   ` [PATCH 18/18] io-controller: Debug hierarchical IO scheduling Vivek Goyal
2009-05-05 20:24   ` IO scheduler based IO Controller V2 Andrew Morton
2009-05-05 20:24     ` Andrew Morton
2009-05-05 22:20     ` Peter Zijlstra
2009-05-06  3:42       ` Balbir Singh
2009-05-06  3:42       ` Balbir Singh
2009-05-06 10:20         ` Fabio Checconi
2009-05-06 17:10           ` Balbir Singh
2009-05-06 17:10             ` Balbir Singh
     [not found]           ` <20090506102030.GB20544-f9ZlEuEWxVeACYmtYXMKmw@public.gmane.org>
2009-05-06 17:10             ` Balbir Singh
2009-05-06 18:47         ` Divyesh Shah
     [not found]         ` <20090506034254.GD4416-SINUvgVNF2CyUtPGxGje5AC/G2K4zDHf@public.gmane.org>
2009-05-06 10:20           ` Fabio Checconi
2009-05-06 18:47           ` Divyesh Shah
2009-05-06 20:42           ` Andrea Righi
2009-05-06 20:42         ` Andrea Righi
2009-05-06  2:33     ` Vivek Goyal
2009-05-06 17:59       ` Nauman Rafique
2009-05-06 20:07       ` Andrea Righi
2009-05-06 21:21         ` Vivek Goyal
2009-05-06 21:21         ` Vivek Goyal
     [not found]           ` <20090506212121.GI8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-06 22:02             ` Andrea Righi
2009-05-06 22:02               ` Andrea Righi
2009-05-06 22:17               ` Vivek Goyal
2009-05-06 22:17                 ` Vivek Goyal
     [not found]       ` <20090506023332.GA1212-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-06 17:59         ` Nauman Rafique
2009-05-06 20:07         ` Andrea Righi
2009-05-06 20:32         ` Vivek Goyal
2009-05-07  0:18         ` Ryo Tsuruta
2009-05-06 20:32       ` Vivek Goyal
     [not found]         ` <20090506203228.GH8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-06 21:34           ` Andrea Righi
2009-05-06 21:34         ` Andrea Righi
2009-05-06 21:52           ` Vivek Goyal
2009-05-06 21:52             ` Vivek Goyal
2009-05-06 22:35             ` Andrea Righi
2009-05-07  1:48               ` Ryo Tsuruta
2009-05-07  1:48               ` Ryo Tsuruta
     [not found]             ` <20090506215235.GJ8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-06 22:35               ` Andrea Righi
2009-05-07  9:04               ` Andrea Righi
2009-05-07  9:04             ` Andrea Righi
2009-05-07 12:22               ` Andrea Righi
2009-05-07 12:22               ` Andrea Righi
2009-05-07 14:11               ` Vivek Goyal
2009-05-07 14:11               ` Vivek Goyal
     [not found]                 ` <20090507141126.GA9463-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-07 14:45                   ` Vivek Goyal
2009-05-07 14:45                     ` Vivek Goyal
     [not found]                     ` <20090507144501.GB9463-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-07 15:36                       ` Vivek Goyal
2009-05-07 15:36                         ` Vivek Goyal
     [not found]                         ` <20090507153642.GC9463-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-07 15:42                           ` Vivek Goyal
2009-05-07 15:42                             ` Vivek Goyal
2009-05-07 22:19                           ` Andrea Righi
2009-05-07 22:19                         ` Andrea Righi
2009-05-08 18:09                           ` Vivek Goyal
2009-05-08 20:05                             ` Andrea Righi
2009-05-08 21:56                               ` Vivek Goyal
2009-05-08 21:56                                 ` Vivek Goyal
2009-05-09  9:22                                 ` Peter Zijlstra
2009-05-14 10:31                                 ` Andrea Righi
     [not found]                                 ` <20090508215618.GJ7293-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-09  9:22                                   ` Peter Zijlstra
2009-05-14 10:31                                   ` Andrea Righi
2009-05-14 16:43                                   ` Dhaval Giani
2009-05-14 16:43                                     ` Dhaval Giani
     [not found]                             ` <20090508180951.GG7293-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-08 20:05                               ` Andrea Righi
2009-05-08 18:09                           ` Vivek Goyal
2009-05-07 22:40                       ` Andrea Righi
2009-05-07 22:40                     ` Andrea Righi
2009-05-07  0:18       ` Ryo Tsuruta
     [not found]         ` <20090507.091858.226775723.ryov-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org>
2009-05-07  1:25           ` Vivek Goyal
2009-05-07  1:25             ` Vivek Goyal
     [not found]             ` <20090507012559.GC4187-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-11 11:23               ` Ryo Tsuruta
2009-05-11 11:23             ` Ryo Tsuruta
     [not found]               ` <20090511.202309.112614168.ryov-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org>
2009-05-11 12:49                 ` Vivek Goyal
2009-05-11 12:49                   ` Vivek Goyal
2009-05-08 14:24           ` Rik van Riel
2009-05-08 14:24         ` Rik van Riel
     [not found]           ` <4A0440B2.7040300-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-11 10:11             ` Ryo Tsuruta
2009-05-11 10:11           ` Ryo Tsuruta
     [not found]     ` <20090505132441.1705bfad.akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
2009-05-05 22:20       ` Peter Zijlstra
2009-05-06  2:33       ` Vivek Goyal
2009-05-06  3:41       ` Balbir Singh
2009-05-06  3:41     ` Balbir Singh
2009-05-06 13:28       ` Vivek Goyal
2009-05-06 13:28         ` Vivek Goyal
     [not found]       ` <20090506034118.GC4416-SINUvgVNF2CyUtPGxGje5AC/G2K4zDHf@public.gmane.org>
2009-05-06 13:28         ` Vivek Goyal
2009-05-06  8:11   ` Gui Jianfeng
2009-05-08  9:45   ` [PATCH] io-controller: Add io group reference handling for request Gui Jianfeng
2009-05-13  2:00   ` [PATCH] IO Controller: Add per-device weight and ioprio_class handling Gui Jianfeng
2009-05-06  8:11 ` IO scheduler based IO Controller V2 Gui Jianfeng
     [not found]   ` <4A014619.1040000-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-06 16:10     ` Vivek Goyal
2009-05-06 16:10       ` Vivek Goyal
2009-05-07  5:36       ` Li Zefan
     [not found]         ` <4A027348.6000808-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-08 13:37           ` Vivek Goyal
2009-05-08 13:37             ` Vivek Goyal
2009-05-11  2:59             ` Gui Jianfeng
     [not found]             ` <20090508133740.GD7293-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-11  2:59               ` Gui Jianfeng
2009-05-07  5:47       ` Gui Jianfeng
     [not found]       ` <20090506161012.GC8180-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-07  5:36         ` Li Zefan
2009-05-07  5:47         ` Gui Jianfeng
2009-05-08  9:45 ` [PATCH] io-controller: Add io group reference handling for request Gui Jianfeng
     [not found]   ` <4A03FF3C.4020506-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-08 13:57     ` Vivek Goyal
2009-05-08 13:57       ` Vivek Goyal
     [not found]       ` <20090508135724.GE7293-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-08 17:41         ` Nauman Rafique
2009-05-08 17:41       ` Nauman Rafique
2009-05-08 17:41         ` Nauman Rafique
2009-05-08 18:56         ` Vivek Goyal
     [not found]           ` <20090508185644.GH7293-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-08 19:06             ` Nauman Rafique
2009-05-08 19:06           ` Nauman Rafique
2009-05-08 19:06             ` Nauman Rafique
2009-05-11  1:33         ` Gui Jianfeng
2009-05-11 15:41           ` Vivek Goyal
     [not found]             ` <20090511154127.GD6036-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-15  5:15               ` Gui Jianfeng
2009-05-15  5:15                 ` Gui Jianfeng
2009-05-15  7:48                 ` Andrea Righi
2009-05-15  8:16                   ` Gui Jianfeng
2009-05-15  8:16                   ` Gui Jianfeng
     [not found]                     ` <4A0D24E6.6010807-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-15 14:09                       ` Vivek Goyal
2009-05-15 14:09                         ` Vivek Goyal
2009-05-15 14:06                   ` Vivek Goyal
2009-05-15 14:06                   ` Vivek Goyal
2009-05-17 10:26                     ` Andrea Righi
2009-05-18 14:01                       ` Vivek Goyal
2009-05-18 14:01                         ` Vivek Goyal
2009-05-18 14:39                         ` Andrea Righi
2009-05-26 11:34                           ` Ryo Tsuruta
2009-05-26 11:34                           ` Ryo Tsuruta
2009-05-27  6:56                             ` Ryo Tsuruta
2009-05-27  6:56                               ` Ryo Tsuruta
2009-05-27  8:17                               ` Andrea Righi
2009-05-27  8:17                                 ` Andrea Righi
2009-05-27 11:53                                 ` Ryo Tsuruta [this message]
2009-05-27 11:53                                 ` Ryo Tsuruta
2009-05-27 17:32                               ` Vivek Goyal
2009-05-27 17:32                                 ` Vivek Goyal
     [not found]                               ` <20090527.155631.226800550.ryov-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org>
2009-05-27  8:17                                 ` Andrea Righi
2009-05-27 17:32                                 ` Vivek Goyal
     [not found]                             ` <20090526.203424.39179999.ryov-jCdQPDEk3idL9jVzuh4AOg@public.gmane.org>
2009-05-27  6:56                               ` Ryo Tsuruta
2009-05-19 12:18                         ` Ryo Tsuruta
     [not found]                         ` <20090518140114.GB27080-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-18 14:39                           ` Andrea Righi
2009-05-19 12:18                           ` Ryo Tsuruta
     [not found]                     ` <20090515140643.GB19350-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-17 10:26                       ` Andrea Righi
     [not found]                 ` <4A0CFA6C.3080609-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-15  7:48                   ` Andrea Righi
2009-05-15  7:40               ` Gui Jianfeng
2009-05-15  7:40                 ` Gui Jianfeng
2009-05-15 14:01                 ` Vivek Goyal
     [not found]                 ` <4A0D1C55.9040700-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-15 14:01                   ` Vivek Goyal
     [not found]           ` <4A078051.5060702-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-11 15:41             ` Vivek Goyal
     [not found]         ` <e98e18940905081041r386e52a5q5a2b1f13f1e8c634-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-05-08 18:56           ` Vivek Goyal
2009-05-11  1:33           ` Gui Jianfeng
2009-05-13  2:00 ` [PATCH] IO Controller: Add per-device weight and ioprio_class handling Gui Jianfeng
2009-05-13 14:44   ` Vivek Goyal
     [not found]     ` <20090513144432.GA7696-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-14  0:59       ` Gui Jianfeng
2009-05-14  0:59     ` Gui Jianfeng
2009-05-13 15:29   ` Vivek Goyal
2009-05-14  1:02     ` Gui Jianfeng
     [not found]     ` <20090513152909.GD7696-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-14  1:02       ` Gui Jianfeng
2009-05-13 15:59   ` Vivek Goyal
2009-05-14  1:51     ` Gui Jianfeng
     [not found]     ` <20090513155900.GA15623-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-14  1:51       ` Gui Jianfeng
2009-05-14  2:25       ` Gui Jianfeng
2009-05-14  2:25     ` Gui Jianfeng
     [not found]   ` <4A0A29B5.7030109-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-13 14:44     ` Vivek Goyal
2009-05-13 15:29     ` Vivek Goyal
2009-05-13 15:59     ` Vivek Goyal
2009-05-13 17:17     ` Vivek Goyal
2009-05-13 19:09     ` Vivek Goyal
2009-05-13 17:17   ` Vivek Goyal
     [not found]     ` <20090513171734.GA18371-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-14  1:24       ` Gui Jianfeng
2009-05-14  1:24     ` Gui Jianfeng
2009-05-13 19:09   ` Vivek Goyal
2009-05-14  1:35     ` Gui Jianfeng
     [not found]     ` <20090513190929.GB18371-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-14  1:35       ` Gui Jianfeng
2009-05-14  7:26       ` Gui Jianfeng
2009-05-14  7:26     ` Gui Jianfeng
2009-05-14 15:15       ` Vivek Goyal
2009-05-18 22:33       ` IKEDA, Munehiro
2009-05-20  1:44         ` Gui Jianfeng
     [not found]           ` <4A136090.5090705-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-20 15:41             ` IKEDA, Munehiro
2009-05-20 15:41               ` IKEDA, Munehiro
     [not found]         ` <4A11E244.2000305-MDRzhb/z0dd8UrSeD/g0lQ@public.gmane.org>
2009-05-20  1:44           ` Gui Jianfeng
     [not found]       ` <4A0BC7AB.8030703-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-05-14 15:15         ` Vivek Goyal
2009-05-18 22:33         ` IKEDA, Munehiro

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