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Message-ID: <581071.24701.qm@web32603.mail.mud.yahoo.com> Date: Tue, 22 Jan 2008 10:51:33 -0800 (PST) From: Martin Knoblauch <spamtrap@...bisoft.de> To: Alasdair G Kergon <agk@...hat.com> Cc: Linus Torvalds <torvalds@...ux-foundation.org>, Mel Gorman <mel@....ul.ie>, Fengguang Wu <wfg@...l.ustc.edu.cn>, Mike Snitzer <snitzer@...il.com>, Peter Zijlstra <peterz@...radead.org>, jplatte@...sa.net, Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org, "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>, James.Bottomley@...eleye.com, Jens Axboe <jens.axboe@...cle.com>, Milan Broz <mbroz@...hat.com>, Neil Brown <neilb@...e.de> Subject: Re: regression: 100% io-wait with 2.6.24-rcX ----- Original Message ---- > From: Alasdair G Kergon <agk@...hat.com> > To: Martin Knoblauch <spamtrap@...bisoft.de> > Cc: Linus Torvalds <torvalds@...ux-foundation.org>; Mel Gorman <mel@....ul.ie>; Fengguang Wu <wfg@...l.ustc.edu.cn>; Mike Snitzer <snitzer@...il.com>; Peter Zijlstra <peterz@...radead.org>; jplatte@...sa.net; Ingo Molnar <mingo@...e.hu>; linux-kernel@...r.kernel.org; "linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>; James.Bottomley@...eleye.com; Jens Axboe <jens.axboe@...cle.com>; Milan Broz <mbroz@...hat.com>; Neil Brown <neilb@...e.de> > Sent: Tuesday, January 22, 2008 3:39:33 PM > Subject: Re: regression: 100% io-wait with 2.6.24-rcX > > > See if these patches make any difference: > http://www.kernel.org/pub/linux/kernel/people/agk/patches/2.6/editing/ > > dm-md-merge_bvec_fn-with-separate-bdev-and-sector.patch > dm-introduce-merge_bvec_fn.patch > dm-linear-add-merge.patch > dm-table-remove-merge_bvec-sector-restriction.patch > nope. Exactely the same poor results. To rule out LVM/DM I really have to see what happens if I setup a system with filesystems directly on partitions. Might take some time though. Cheers Martin - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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