linux-ext4 - Re: [REGRESSION] allocated N with only M reserved metadata blocks

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Date:	Tue, 12 Mar 2013 08:58:53 +0100 (CET)
From:	Lukáš Czerner <lczerner@...hat.com>
To:	"Theodore Ts'o" <tytso@....edu>
cc:	Eric Whitney <enwlinux@...il.com>, linux-ext4@...r.kernel.org
Subject: Re: [REGRESSION] allocated N with only M reserved metadata blocks

On Mon, 11 Mar 2013, Theodore Ts'o wrote:

> Date: Mon, 11 Mar 2013 17:22:39 -0400
> From: Theodore Ts'o <tytso@....edu>
> To: Eric Whitney <enwlinux@...il.com>
> Cc: linux-ext4@...r.kernel.org
> Subject: Re: [REGRESSION] allocated N with only M reserved metadata blocks
> 
> On Mon, Mar 11, 2013 at 05:02:01PM -0400, Eric Whitney wrote:
> > 
> > FWIW, this might not be a regression.  I believe I've got this warning in my
> > testing logs from both 3.8 and 3.8-rc7 (commit 01a523eb51 in 3.9-rc1 affects
> > message format and line numbering) on both x86 and ARM.  I didn't run xfstest
> > 127 prior to 3.8-rc7, so I don't know how far back the warning may have
> > occurred for that particular test.
> > 
> > The 3.8-rc7 results are a little different with respect to number of warnings
> > and test cases, so I'm thinking this one isn't completely deterministic,
> > testing-wise.  Multiple test runs may be required to see it.
> 
> Thanks for the extra data; this saved be a whole bunch of time, since
> I probably would have started doing a series git bisects tonight.   :-)
> 
>   	   	      	      	      - Ted

I found that the problem is present even in 3.7.0, however it is not
present in 3.6.0. I guess we need to bisect now :)

-Lukas

> 
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