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Message-ID: <20080612013509.GS8397@mit.edu> Date: Wed, 11 Jun 2008 21:35:09 -0400 From: Theodore Tso <tytso@....edu> To: Holger Kiehl <Holger.Kiehl@....de> Cc: linux-ext4@...r.kernel.org, linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: Performance of ext4 On Wed, Jun 11, 2008 at 08:21:50PM +0000, Holger Kiehl wrote: > I think you mean 'small files'? Yes, sorry, I meant "small files". > The test where done with a plain 2.6.25.4, > does that already have barriers enabled? While I did some test I hit this > bug: No, 2.6.25.4 does not have barriers enabled. It's in the latest post-2.6.25.5 git repository (which also has the fix so that barriers=1 doesn't cause an OOPS if you are doing the test on a LVM device which doesn't support barriers). Sorry, I wasnt sure if you were using any of the ext4 patches, and I didn't know whether you were testing on a raw device or an LVM device. - Ted -- 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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