linux-ext4 - Re: inline_data,metadata_csum a lot of bad csum for directories

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Message-Id: <32FC5424-8CFB-4D12-A201-1BFDD1552460@dilger.ca>
Date:	Mon, 1 Dec 2014 16:32:02 -0700
From:	Andreas Dilger <adilger@...ger.ca>
To:	Dmitry Monakhov <dmonakhov@...nvz.org>
Cc:	ext4 development <linux-ext4@...r.kernel.org>,
	Theodore Ts'o <tytso@....edu>
Subject: Re: inline_data,metadata_csum  a lot of bad csum for directories

On Dec 1, 2014, at 7:09 AM, Dmitry Monakhov <dmonakhov@...nvz.org> wrote:
> 
> Ted can you please clarify what is status of inline_data patchset.
> I've enabled inline_data testing in my test environment

I suspect that since inline_data and metadata_csum were developed
in isolation, they don't work well together yet.  I believe that
Darrick is working on fixing some issues in this area.

> I use xfstest-bld for this purpose, but most test generates a lot of incorrect
> inode's csum for directories(almost any test which makes/rm
> directories). What I'm doing wrong? Are where any important fix I'm missing? 
> Please post your test matrix
> 
> My config:
> e2fsprogs git commit: g210baa5
> ext4.git commit: recent tytso/dev ca83cc75a16f67
> ./kvm-xfstests -c inline generic/011  generic/013
> generic/013       [13:51:44]
> [  368.507266] EXT4-fs error (device vdd): ext4_iget:3918: inode #294: comm rm: checksum invalid
> [  368.511098] EXT4-fs error (device vdd): ext4_iget:3918: inode #294: comm rm: checksum invalid
> [  369.098863] EXT4-fs error (device vdd): ext4_iget:3918: inode #2108:comm rm: checksum invalid


Cheers, Andreas





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