From: Alasdair G Kergon <agk@redhat.com>
To: Martin Knoblauch <spamtrap@knobisoft.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>,
Mel Gorman <mel@csn.ul.ie>, Fengguang Wu <wfg@mail.ustc.edu.cn>,
Mike Snitzer <snitzer@gmail.com>,
Peter Zijlstra <peterz@infradead.org>,
jplatte@naasa.net, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org,
"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>,
James.Bottomley@steeleye.com, Jens Axboe <jens.axboe@oracle.com>,
Milan Broz <mbroz@redhat.com>, Neil Brown <neilb@suse.de>
Subject: Re: regression: 100% io-wait with 2.6.24-rcX
Date: Tue, 22 Jan 2008 23:40:52 +0000 [thread overview]
Message-ID: <20080122234051.GP8075@agk.fab.redhat.com> (raw)
In-Reply-To: <87924.1242.qm@web32614.mail.mud.yahoo.com>
On Tue, Jan 22, 2008 at 07:25:15AM -0800, Martin Knoblauch wrote:
> [root@lpsdm52 ~]# dmsetup table
> VolGroup00-LogVol02: 0 350945280 linear 104:2 67109248
> VolGroup00-LogVol01: 0 8388608 linear 104:2 418054528
> VolGroup00-LogVol00: 0 67108864 linear 104:2 384
The IO should pass straight through simple linear targets like that without
needing to get broken up, so I wouldn't expect those patches to make any
difference in this particular case.
Alasdair
--
agk@redhat.com
next prev parent reply other threads:[~2008-01-22 23:42 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-22 15:25 regression: 100% io-wait with 2.6.24-rcX Martin Knoblauch
2008-01-22 23:40 ` Alasdair G Kergon [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-01-23 11:12 Martin Knoblauch
2008-01-22 18:51 Martin Knoblauch
2008-01-19 10:24 Martin Knoblauch
2008-01-18 8:19 Martin Knoblauch
2008-01-18 16:01 ` Mel Gorman
2008-01-18 17:46 ` Linus Torvalds
2008-01-18 19:01 ` Martin Knoblauch
2008-01-18 19:23 ` Linus Torvalds
2008-01-22 14:39 ` Alasdair G Kergon
2008-01-18 20:00 ` Mike Snitzer
2008-01-18 22:47 ` Mike Snitzer
2008-01-17 21:50 Martin Knoblauch
2008-01-17 22:12 ` Mel Gorman
2008-01-17 17:51 Martin Knoblauch
2008-01-17 17:44 Martin Knoblauch
2008-01-17 20:23 ` Mel Gorman
2008-01-17 13:52 Martin Knoblauch
2008-01-17 16:11 ` Mike Snitzer
2008-01-16 14:15 Martin Knoblauch
2008-01-16 16:27 ` Mike Snitzer
2008-01-16 9:26 Martin Knoblauch
2008-01-16 12:00 ` Fengguang Wu
2008-01-16 12:00 ` Fengguang Wu
2008-01-07 10:51 Joerg Platte
2008-01-07 11:19 ` Ingo Molnar
2008-01-07 13:24 ` Joerg Platte
2008-01-07 13:32 ` Peter Zijlstra
2008-01-07 13:40 ` Joerg Platte
2008-01-09 3:27 ` Fengguang Wu
2008-01-09 3:27 ` Fengguang Wu
2008-01-09 6:13 ` Joerg Platte
2008-01-09 12:04 ` Fengguang Wu
2008-01-09 12:04 ` Fengguang Wu
2008-01-09 12:22 ` Joerg Platte
2008-01-09 12:57 ` Fengguang Wu
2008-01-09 12:57 ` Fengguang Wu
2008-01-09 13:04 ` Joerg Platte
2008-01-10 6:58 ` Fengguang Wu
2008-01-10 6:58 ` Fengguang Wu
2008-01-10 7:30 ` Fengguang Wu
2008-01-10 7:30 ` Fengguang Wu
[not found] ` <20080110073046.GA3432@mail.ustc.edu.cn>
2008-01-10 7:53 ` Fengguang Wu
2008-01-10 7:53 ` Fengguang Wu
2008-01-10 8:37 ` Joerg Platte
2008-01-10 8:43 ` Fengguang Wu
2008-01-10 8:43 ` Fengguang Wu
2008-01-10 10:03 ` Joerg Platte
2008-01-11 4:43 ` Fengguang Wu
2008-01-11 4:43 ` Fengguang Wu
2008-01-11 5:29 ` Joerg Platte
2008-01-11 6:41 ` Joerg Platte
2008-01-12 23:32 ` Joerg Platte
2008-01-13 6:44 ` Fengguang Wu
2008-01-13 6:44 ` Fengguang Wu
2008-01-13 8:05 ` Joerg Platte
2008-01-13 8:21 ` Fengguang Wu
2008-01-13 8:21 ` Fengguang Wu
2008-01-13 9:49 ` Joerg Platte
2008-01-13 11:59 ` Fengguang Wu
2008-01-13 11:59 ` Fengguang Wu
[not found] ` <20080113115933.GA11045@mail.ustc.edu.cn>
2008-01-14 3:54 ` Fengguang Wu
2008-01-14 3:54 ` Fengguang Wu
[not found] ` <20080114035439.GA7330@mail.ustc.edu.cn>
2008-01-14 9:55 ` Fengguang Wu
2008-01-14 9:55 ` Fengguang Wu
2008-01-14 11:30 ` Joerg Platte
2008-01-14 11:30 ` Joerg Platte
2008-01-14 11:41 ` Peter Zijlstra
2008-01-14 12:50 ` Fengguang Wu
2008-01-14 12:50 ` Fengguang Wu
2008-01-15 21:13 ` Mike Snitzer
2008-01-16 5:25 ` Fengguang Wu
2008-01-16 5:25 ` Fengguang Wu
2008-01-15 21:42 ` Ingo Molnar
2008-01-16 5:14 ` Fengguang Wu
2008-01-16 5:14 ` Fengguang Wu
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