linux-kernel - Re: todays git regression (2.6.32-04008.g3ff6a46): lot of device mapper warnings

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Date:	Wed, 09 Dec 2009 20:14:03 -0500
From:	"Martin K. Petersen" <martin.petersen@...cle.com>
To:	Mike Snitzer <snitzer@...il.com>
Cc:	Jens Axboe <jens.axboe@...cle.com>,
	Heinz Diehl <htd@...cy-poultry.org>,
	linux-kernel@...r.kernel.org, martin.petersen@...cle.com,
	Christian Borntraeger <borntraeger@...ibm.com>,
	dm-devel@...hat.com
Subject: Re: todays git regression (2.6.32-04008.g3ff6a46): lot of device  mapper warnings

>>>>> "Mike" == Mike Snitzer <snitzer@...il.com> writes:

Mike> On the surface I thought this might be the reason for the
Mike> warnings, but Martin's lcm() looks perfectly fine; can't see why
Mike> it would cause these warnings to appear all of a sudden... but I
Mike> figured I'd share.

The warning is caused by an error in stacking discard granularity.  I
have a fix but I'd like to run verify all my oddball alignment combos
before submitting.

-- 
Martin K. Petersen	Oracle Linux Engineering
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