linux-kernel - Re: ext3: fix ext3_dx_readdir hash collision handling

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Message-ID: <20081023032832.GE10369@mit.edu>
Date:	Wed, 22 Oct 2008 23:28:32 -0400
From:	Theodore Tso <tytso@....edu>
To:	Markus Trippelsdorf <markus@...ppelsdorf.de>
Cc:	linux-kernel@...r.kernel.org, eugene@...ix.com, msnitzer@...ix.com,
	akpm@...ux-foundation.org, torvalds@...ux-foundation.org
Subject: Re: ext3: fix ext3_dx_readdir hash collision handling - Regression

On Wed, Oct 22, 2008 at 11:32:01AM +0200, Markus Trippelsdorf wrote:
> Commit 6a897cf447a83c9c3fd1b85a1e525c02d6eada7d 
> "ext3: fix ext3_dx_readdir hash collision handling" causes a regression
> when deleting big directories.
> 
> I'm using an ext3 filesystem in data=writeback mode as my root fs.
> When I untar a kernel tarball and then rm -r the files, this is what
> happens on my machine (latest git):
> 
> markus@...toox2 ~ % tar xjf  linux-2.6.27.2.tar.bz2
> markus@...toox2 ~ % rm -r linux-2.6.27.2
> rm: cannot remove `linux-2.6.27.2/arch/alpha/include/asm/statfs.h': No such file or directory...

I haven't been able to replicate this.  Does it matter which kernel
tarball you use?  And can you send me the output of "dumpe2fs -h
/dev/hdXX", where hdXX is the device of the filesystem where this was
failing?

Thanks,

						- Ted
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