Re: [v3.7 Regression] [SCSI] sd: Implement support for WRITE SAME

From: Martin K. Petersen
Date: Wed Dec 19 2012 - 15:45:22 EST

>>>>> "Mike" == Mike Snitzer <snitzer@xxxxxxxxxx> 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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