From: Fabio Checconi <fchecconi@gmail.com>
To: Balbir Singh <balbir@linux.vnet.ibm.com>
Cc: Vivek Goyal <vgoyal@redhat.com>,
linux-kernel@vger.kernel.org,
containers@lists.linux-foundation.org, dm-devel@redhat.com,
jens.axboe@oracle.com, nauman@google.com, dpshah@google.com,
lizf@cn.fujitsu.com, mikew@google.com, paolo.valente@unimore.it,
ryov@valinux.co.jp, fernando@oss.ntt.co.jp,
s-uchida@ap.jp.nec.com, taka@valinux.co.jp,
guijianfeng@cn.fujitsu.com, jmoyer@redhat.com,
dhaval@linux.vnet.ibm.com, righi.andrea@gmail.com,
m-ikeda@ds.jp.nec.com, jbaron@redhat.com, agk@redhat.com,
snitzer@redhat.com, akpm@linux-foundation.org,
peterz@infradead.org
Subject: Re: [PATCH 02/20] io-controller: Common flat fair queuing code in elevaotor layer
Date: Tue, 23 Jun 2009 15:42:40 +0200 [thread overview]
Message-ID: <20090623134240.GU28770@gandalf.sssup.it> (raw)
In-Reply-To: <20090623073252.GJ8642@balbir.in.ibm.com>
> From: Balbir Singh <balbir@linux.vnet.ibm.com>
> Date: Tue, Jun 23, 2009 01:02:52PM +0530
>
> * Fabio Checconi <fchecconi@gmail.com> [2009-06-23 06:10:52]:
>
> > > From: Vivek Goyal <vgoyal@redhat.com>
> > > Date: Mon, Jun 22, 2009 10:43:37PM -0400
> > >
> > > On Mon, Jun 22, 2009 at 02:43:13PM +0200, Fabio Checconi wrote:
> > >
> > ...
> > > > > Please help me understand this, we sort the tree by finish time, but
> > > > > search by vtime, start_time. The worst case could easily be O(N),
> > > > > right?
> > > > >
> > > >
> > > > no, (again, the full answer is in the paper); the nice property of
> > > > min_start is that it partitions the tree in two regions, one with
> > > > eligible entities and one without any of them. once we know that
> > > > there is one eligible entity (checking the min_start at the root)
> > > > we can find the node i with min(F_i) subject to S_i < V walking down
> > > > a single path from the root to the leftmost eligible entity. (we
> > > > need to go to the right only if the subtree on the left contains
> > > > no eligible entities at all.) since the RB tree is balanced this
> > > > can be done in O(log N).
> > > >
> > >
> > > Hi Fabio,
> > >
> > > When I go thorough the paper you mentioned above, they seem to have
> > > sorted the tree based on eligible time (looks like equivalent of start
> > > time) and then keep track of minimum deadline on each node (equivalnet of
> > > finish time).
> > >
> > > We seem to be doing reverse in BFQ where we sort tree on finish time
> > > and keep track of minimum start time on each node. Is there any specific
> > > reason behind that?
> > >
> >
> > Well... no specific reasons... I think that our implementation is easier
> > to understand than the one of the paper, because it actually uses finish
> > times as the ordering key, and min_start to quickly locate eligible
> > subtrees, following the definition of the algorithm.
> >
>
> Is it still O(log N)?
>
Yes, it goes along a single path from the root to a leaf of a balanced
tree (i.e., it starts from the root, and at the end of each iteration
it selects the left or the right child of the current node), thus it is
O(log N).
next prev parent reply other threads:[~2009-06-23 13:41 UTC|newest]
Thread overview: 209+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-19 20:37 [RFC] IO scheduler based io controller (V5) Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 01/20] io-controller: Documentation Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 02/20] io-controller: Common flat fair queuing code in elevaotor layer Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-22 8:46 ` Balbir Singh
2009-06-22 8:46 ` Balbir Singh
2009-06-22 12:43 ` Fabio Checconi
[not found] ` <20090622124313.GF28770-f9ZlEuEWxVeACYmtYXMKmw@public.gmane.org>
2009-06-23 2:43 ` Vivek Goyal
2009-06-23 2:43 ` Vivek Goyal
2009-06-23 2:43 ` Vivek Goyal
[not found] ` <20090623024337.GC3620-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-23 4:10 ` Fabio Checconi
2009-06-23 4:10 ` Fabio Checconi
2009-06-23 7:32 ` Balbir Singh
2009-06-23 7:32 ` Balbir Singh
[not found] ` <20090623073252.GJ8642-SINUvgVNF2CyUtPGxGje5AC/G2K4zDHf@public.gmane.org>
2009-06-23 13:42 ` Fabio Checconi
2009-06-23 13:42 ` Fabio Checconi [this message]
[not found] ` <20090623041052.GS28770-f9ZlEuEWxVeACYmtYXMKmw@public.gmane.org>
2009-06-23 7:32 ` Balbir Singh
2009-06-23 2:05 ` Vivek Goyal
2009-06-23 2:05 ` Vivek Goyal
[not found] ` <20090623020515.GA3620-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-23 2:20 ` Jeff Moyer
2009-06-23 2:20 ` Jeff Moyer
[not found] ` <20090622084612.GD3728-SINUvgVNF2CyUtPGxGje5AC/G2K4zDHf@public.gmane.org>
2009-06-22 12:43 ` Fabio Checconi
2009-06-23 2:05 ` Vivek Goyal
2009-06-30 6:40 ` Gui Jianfeng
2009-07-01 1:28 ` Vivek Goyal
2009-07-01 1:28 ` Vivek Goyal
[not found] ` <4A49B364.5000508-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-07-01 1:28 ` Vivek Goyal
2009-07-01 9:24 ` Gui Jianfeng
[not found] ` <1245443858-8487-3-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-22 8:46 ` Balbir Singh
2009-06-30 6:40 ` Gui Jianfeng
2009-07-01 9:24 ` Gui Jianfeng
2009-06-19 20:37 ` [PATCH 03/20] io-controller: Charge for time slice based on average disk rate Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 04/20] io-controller: Modify cfq to make use of flat elevator fair queuing Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 05/20] io-controller: Common hierarchical fair queuing code in elevaotor layer Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-29 5:27 ` [PATCH] io-controller: optimization for iog deletion when elevator exiting Gui Jianfeng
[not found] ` <4A4850D3.3000700-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-29 14:06 ` Vivek Goyal
2009-06-29 14:06 ` Vivek Goyal
2009-06-29 14:06 ` Vivek Goyal
2009-06-30 17:14 ` Nauman Rafique
2009-06-30 17:14 ` Nauman Rafique
2009-07-01 1:34 ` Vivek Goyal
2009-07-01 1:34 ` Vivek Goyal
[not found] ` <e98e18940906301014n146e7146vb5a73c2f33c9e819-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-07-01 1:34 ` Vivek Goyal
[not found] ` <20090629140631.GA4622-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-30 17:14 ` Nauman Rafique
[not found] ` <1245443858-8487-6-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-29 5:27 ` Gui Jianfeng
2009-06-19 20:37 ` [PATCH 06/20] io-controller: cfq changes to use hierarchical fair queuing code in elevaotor layer Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 07/20] io-controller: Export disk time used and nr sectors dipatched through cgroups Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-23 12:10 ` Gui Jianfeng
2009-06-23 12:10 ` Gui Jianfeng
[not found] ` <4A40C64E.8040305-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-23 14:38 ` Vivek Goyal
2009-06-23 14:38 ` Vivek Goyal
2009-06-23 14:38 ` Vivek Goyal
[not found] ` <1245443858-8487-8-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-23 12:10 ` Gui Jianfeng
2009-06-19 20:37 ` [PATCH 08/20] io-controller: idle for sometime on sync queue before expiring it Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-30 7:49 ` [PATCH] io-controller: Don't expire an idle ioq if it's the only ioq in hierarchy Gui Jianfeng
[not found] ` <4A49C381.3040302-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-07-01 1:32 ` Vivek Goyal
2009-07-01 1:32 ` Vivek Goyal
2009-07-01 1:32 ` Vivek Goyal
[not found] ` <20090701013239.GB13958-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-07-01 1:40 ` Gui Jianfeng
2009-07-01 1:40 ` Gui Jianfeng
2009-07-01 1:40 ` Gui Jianfeng
[not found] ` <1245443858-8487-9-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-30 7:49 ` Gui Jianfeng
2009-06-19 20:37 ` [PATCH 09/20] io-controller: Separate out queue and data Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 10/20] io-conroller: Prepare elevator layer for single queue schedulers Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 11/20] io-controller: noop changes for hierarchical fair queuing Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 12/20] io-controller: deadline " Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 13/20] io-controller: anticipatory " Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
[not found] ` <1245443858-8487-1-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-19 20:37 ` [PATCH 01/20] io-controller: Documentation Vivek Goyal
2009-06-19 20:37 ` [PATCH 02/20] io-controller: Common flat fair queuing code in elevaotor layer Vivek Goyal
2009-06-19 20:37 ` [PATCH 03/20] io-controller: Charge for time slice based on average disk rate Vivek Goyal
2009-06-19 20:37 ` [PATCH 04/20] io-controller: Modify cfq to make use of flat elevator fair queuing Vivek Goyal
2009-06-19 20:37 ` [PATCH 05/20] io-controller: Common hierarchical fair queuing code in elevaotor layer Vivek Goyal
2009-06-19 20:37 ` [PATCH 06/20] io-controller: cfq changes to use " Vivek Goyal
2009-06-19 20:37 ` [PATCH 07/20] io-controller: Export disk time used and nr sectors dipatched through cgroups Vivek Goyal
2009-06-19 20:37 ` [PATCH 08/20] io-controller: idle for sometime on sync queue before expiring it Vivek Goyal
2009-06-19 20:37 ` [PATCH 09/20] io-controller: Separate out queue and data Vivek Goyal
2009-06-19 20:37 ` [PATCH 10/20] io-conroller: Prepare elevator layer for single queue schedulers Vivek Goyal
2009-06-19 20:37 ` [PATCH 11/20] io-controller: noop changes for hierarchical fair queuing Vivek Goyal
2009-06-19 20:37 ` [PATCH 12/20] io-controller: deadline " Vivek Goyal
2009-06-19 20:37 ` [PATCH 13/20] io-controller: anticipatory " Vivek Goyal
2009-06-19 20:37 ` [PATCH 14/20] blkio_cgroup patches from Ryo to track async bios Vivek Goyal
2009-06-19 20:37 ` [PATCH 15/20] io-controller: map async requests to appropriate cgroup Vivek Goyal
2009-06-19 20:37 ` [PATCH 16/20] io-controller: Per cgroup request descriptor support Vivek Goyal
2009-06-19 20:37 ` [PATCH 17/20] io-controller: Per io group bdi congestion interface Vivek Goyal
2009-06-19 20:37 ` [PATCH 18/20] io-controller: Support per cgroup per device weights and io class Vivek Goyal
2009-06-19 20:37 ` [PATCH 19/20] io-controller: Debug hierarchical IO scheduling Vivek Goyal
2009-06-19 20:37 ` [PATCH 20/20] io-controller: experimental debug patch for async queue wait before expiry Vivek Goyal
2009-06-21 15:21 ` [RFC] IO scheduler based io controller (V5) Balbir Singh
2009-06-29 16:04 ` Vladislav Bolkhovitin
2009-06-19 20:37 ` [PATCH 14/20] blkio_cgroup patches from Ryo to track async bios Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 15/20] io-controller: map async requests to appropriate cgroup Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
[not found] ` <1245443858-8487-16-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-22 1:45 ` Gui Jianfeng
2009-06-22 1:45 ` Gui Jianfeng
[not found] ` <4A3EE245.7030409-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-22 15:39 ` Vivek Goyal
2009-06-22 15:39 ` Vivek Goyal
2009-06-22 15:39 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 16/20] io-controller: Per cgroup request descriptor support Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 17/20] io-controller: Per io group bdi congestion interface Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 18/20] io-controller: Support per cgroup per device weights and io class Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-24 21:52 ` Paul Menage
2009-06-24 21:52 ` Paul Menage
2009-06-25 10:23 ` [PATCH] io-controller: do some changes of io.policy interface Gui Jianfeng
2009-06-25 10:23 ` Gui Jianfeng
[not found] ` <4A435038.60406-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-25 12:55 ` Vivek Goyal
2009-06-25 12:55 ` Vivek Goyal
2009-06-25 12:55 ` Vivek Goyal
2009-06-26 0:27 ` Gui Jianfeng
2009-06-26 0:27 ` Gui Jianfeng
[not found] ` <20090625125513.GA25439-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-26 0:27 ` Gui Jianfeng
2009-06-26 0:59 ` Gui Jianfeng
2009-06-26 0:59 ` Gui Jianfeng
[not found] ` <6599ad830906241452t76e64815s7d68a22a6e746a59-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-06-25 10:23 ` Gui Jianfeng
[not found] ` <1245443858-8487-19-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-24 21:52 ` [PATCH 18/20] io-controller: Support per cgroup per device weights and io class Paul Menage
2009-06-19 20:37 ` [PATCH 19/20] io-controller: Debug hierarchical IO scheduling Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
2009-06-19 20:37 ` [PATCH 20/20] io-controller: experimental debug patch for async queue wait before expiry Vivek Goyal
2009-06-19 20:37 ` Vivek Goyal
[not found] ` <1245443858-8487-21-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-22 7:44 ` [PATCH] io-controller: Preempt a non-rt queue if a rt ioq is present in ancestor or sibling groups Gui Jianfeng
2009-06-22 7:44 ` Gui Jianfeng
2009-06-22 17:21 ` Vivek Goyal
2009-06-22 17:21 ` Vivek Goyal
2009-06-23 6:44 ` Gui Jianfeng
2009-06-23 14:02 ` Vivek Goyal
2009-06-23 14:02 ` Vivek Goyal
2009-06-24 9:20 ` Gui Jianfeng
2009-06-26 8:13 ` [PATCH 1/2] io-controller: Prepare a rt ioq list in efqd to keep track of busy rt ioqs Gui Jianfeng
2009-06-26 8:13 ` Gui Jianfeng
[not found] ` <4A41EFE1.5050101-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-26 8:13 ` Gui Jianfeng
2009-06-26 8:13 ` [PATCH 2/2] io-controller: make rt preemption happen in the whole hierarchy Gui Jianfeng
2009-06-26 8:13 ` Gui Jianfeng
[not found] ` <4A44833F.8040308-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-26 12:39 ` Vivek Goyal
2009-06-26 12:39 ` Vivek Goyal
2009-06-26 12:39 ` Vivek Goyal
[not found] ` <20090623140250.GA4262-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-24 9:20 ` [PATCH] io-controller: Preempt a non-rt queue if a rt ioq is present in ancestor or sibling groups Gui Jianfeng
[not found] ` <4A4079B8.4020402-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-23 14:02 ` Vivek Goyal
[not found] ` <20090622172123.GE15600-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-23 6:44 ` Gui Jianfeng
[not found] ` <4A3F3648.7080007-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-22 17:21 ` Vivek Goyal
2009-06-21 15:21 ` [RFC] IO scheduler based io controller (V5) Balbir Singh
2009-06-22 15:30 ` Vivek Goyal
2009-06-22 15:30 ` Vivek Goyal
2009-06-22 15:40 ` Jeff Moyer
2009-06-22 16:02 ` Vivek Goyal
2009-06-22 16:02 ` Vivek Goyal
[not found] ` <20090622160207.GC15600-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-22 16:06 ` Jeff Moyer
2009-06-22 16:06 ` Jeff Moyer
[not found] ` <x493a9sl0bx.fsf-RRHT56Q3PSP4kTEheFKJxxDDeQx5vsVwAInAS/Ez/D0@public.gmane.org>
2009-06-22 17:08 ` Vivek Goyal
2009-06-22 17:08 ` Vivek Goyal
2009-06-22 17:08 ` Vivek Goyal
[not found] ` <20090622170812.GD15600-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-23 6:52 ` Balbir Singh
2009-06-23 6:52 ` Balbir Singh
[not found] ` <x497hz4l1j9.fsf-RRHT56Q3PSP4kTEheFKJxxDDeQx5vsVwAInAS/Ez/D0@public.gmane.org>
2009-06-22 16:02 ` Vivek Goyal
[not found] ` <20090622153030.GA15600-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-06-22 15:40 ` Jeff Moyer
[not found] ` <20090621152116.GC3728-SINUvgVNF2CyUtPGxGje5AC/G2K4zDHf@public.gmane.org>
2009-06-22 15:30 ` Vivek Goyal
2009-06-29 16:04 ` Vladislav Bolkhovitin
2009-06-29 17:23 ` Vivek Goyal
2009-06-29 17:23 ` Vivek Goyal
[not found] ` <4A48E601.2050203-d+Crzxg7Rs0@public.gmane.org>
2009-06-29 17:23 ` Vivek Goyal
-- strict thread matches above, loose matches on Subject: below --
2009-05-26 22:41 [RFC] IO scheduler based IO controller V3 Vivek Goyal
[not found] ` <1243377729-2176-1-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-26 22:41 ` [PATCH 02/20] io-controller: Common flat fair queuing code in elevaotor layer Vivek Goyal
2009-05-26 22:41 ` Vivek Goyal
2009-05-27 20:53 ` Nauman Rafique
2009-05-27 20:53 ` Nauman Rafique
2009-05-28 8:52 ` Fabio Checconi
2009-05-28 16:00 ` Vivek Goyal
2009-05-28 16:00 ` Vivek Goyal
[not found] ` <20090528160003.GA4335-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-28 19:41 ` Nauman Rafique
2009-05-28 19:41 ` Nauman Rafique
2009-05-28 19:41 ` Nauman Rafique
2009-05-29 16:06 ` Vivek Goyal
2009-05-29 16:06 ` Vivek Goyal
2009-05-29 16:57 ` Fabio Checconi
2009-05-29 19:06 ` Nauman Rafique
2009-05-29 19:06 ` Nauman Rafique
[not found] ` <e98e18940905291206p2e05bc5cxf499479270e34074-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-05-29 19:16 ` Vivek Goyal
2009-05-29 19:16 ` Vivek Goyal
2009-05-29 19:16 ` Vivek Goyal
[not found] ` <20090529165716.GB18141-f9ZlEuEWxVeACYmtYXMKmw@public.gmane.org>
2009-05-29 19:06 ` Nauman Rafique
[not found] ` <20090529160610.GC26962-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-29 16:57 ` Fabio Checconi
[not found] ` <e98e18940905281241v4aa24716j91f351a828af604a-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-05-29 16:06 ` Vivek Goyal
[not found] ` <e98e18940905271353kc6890dbxa1ea63026c8faec1-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-05-28 8:52 ` Fabio Checconi
2009-05-28 16:00 ` Vivek Goyal
[not found] ` <1243377729-2176-3-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2009-05-27 20:53 ` Nauman Rafique
2009-06-08 1:08 ` Gui Jianfeng
2009-06-08 7:44 ` Gui Jianfeng
2009-06-08 7:44 ` Gui Jianfeng
2009-06-08 13:56 ` Vivek Goyal
2009-06-08 13:56 ` Vivek Goyal
[not found] ` <4A2CC15F.2010708-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-08 13:56 ` Vivek Goyal
2009-06-08 1:08 ` Gui Jianfeng
2009-06-08 12:58 ` Vivek Goyal
2009-06-08 12:58 ` Vivek Goyal
[not found] ` <4A2C649C.8070806-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-06-08 12:58 ` Vivek Goyal
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