From: Eric Sandeen <sandeen@redhat.com>
To: Bernd Schubert <bs_lists@aakef.fastmail.fm>
Cc: linux-ext4@vger.kernel.org, Bernd Schubert <bschubert@ddn.com>,
Andreas Dilger <andreas.dilger@oracle.com>
Subject: Re: [PATCH] make ext4_valid_block_bitmap() more verbose
Date: Mon, 15 Nov 2010 10:21:12 -0600 [thread overview]
Message-ID: <4CE15DF8.4030600@redhat.com> (raw)
In-Reply-To: <201011130026.51268.bs_lists@aakef.fastmail.fm>
On 11/12/10 5:26 PM, Bernd Schubert wrote:
> The real issue we want to debug with the patch below actually came up while
> stress testing Lustre using the RHEL5.5 kernel (so 2.6.32'ish ext4), but a
> more verbose error function should not hurt for vanilla ext4 either.
>
> make ext4_valid_block_bitmap() more verbose
>
> While running our stress test suite, ext4_valid_block_bitmap()
> frequently complains about an invalid block bitmap.
> However, e2fsck does not find anything. So in oder to be able
> to better debug this issue, make the function more verbose and
> let it complain about the two possible invalid bitmaps.
Making a raw e2image of the problematic filesystem would let us take a
look at why e2fsck isn't finding problems; unless you plan to fix that
yourself as well, which is just fine of course. :)
-Eric
> Signed-off-by: Bernd Schubert <bschubert@ddn.com>
next prev parent reply other threads:[~2010-11-15 16:21 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-12 23:26 [PATCH] make ext4_valid_block_bitmap() more verbose Bernd Schubert
2010-11-12 23:56 ` Andreas Dilger
2010-11-15 19:15 ` Bernd Schubert
2010-11-15 16:21 ` Eric Sandeen [this message]
2010-11-15 19:22 ` Bernd Schubert
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