linux-ext4 - Re: EXT4 ENOSPC Bug

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Message-ID: <20090219032244.GW3600@mini-me.lan>
Date:	Wed, 18 Feb 2009 22:22:44 -0500
From:	Theodore Tso <tytso@....edu>
To:	Andres Freund <andres@...razel.de>
Cc:	Alex Buell <alex.buell@...ted.org.uk>, adilger@....com,
	LKML <linux-kernel@...r.kernel.org>, linux-ext4@...r.kernel.org,
	Jonathan Bastien-Filiatrault <joe@....org>,
	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
Subject: Re: EXT4 ENOSPC Bug

On Thu, Feb 19, 2009 at 03:18:45AM +0100, Andres Freund wrote:
> On 02/18/2009 10:29 PM, Theodore Tso wrote:
>> Ok, that's good.  Good to know the workaround works.
>> Can you send me a dumpe2fs of the filesystem in question?  I'm curious
>> what was going on...
> Will do as soon as I am at the same place as the machine. I guess thats  
> only interesting to you privately (size and so on)?
>
>> Thanks for the report.  I'll push the workaround patch to Linus for
>> 2.6.29 to avoid this problem for now.  I recently sent to linux-ext4
>> for comment a patch to revamp the Orlov allocator for flex_bg and to
>> use that instead of find_group_flex(), but no way that's going into
>> 2.6.29 at this point....
> Would it be helpfull if I test that patch?
>

Sure, I'll take all of the testing I can get.  :-)

The patch is in the ext4 patch queue, and I sent them to the ext4
patch queue.  The patch is also in patch work:

http://patchwork.ozlabs.org/patch/23343/

The patch which I sent you earlier (available below) is a prequisite:

http://patchwork.ozlabs.org/patch/23228/


							- Ted

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