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Date:	Wed, 19 Dec 2012 15:45:25 -0500
From:	"Martin K. Petersen" <>
To:	Mike Snitzer <>
Cc:	"Martin K. Petersen" <>,
	Joseph Salisbury <>,
	Kernel Team <>,,,, Milan Broz <>
Subject: Re: [v3.7 Regression]  [SCSI] sd: Implement support for WRITE SAME

>>>>> "Mike" == Mike Snitzer <> writes:

Mike> But do we know mount to somwhow be issuing WRITE SAME requests?

I'm assuming that ext4 is somehow calling sb_issue_zeroout().

Mike> Martin, why is it you weren't able to reproduce (I haven't
Mike> attempted yet)?


But regardless of any bugs, WRITE SAME will still need some special
attention in the context of dm-crypt.

Martin K. Petersen	Oracle Linux Engineering
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