From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: [PATCH] sd: dif sector calculation Date: Fri, 20 Sep 2013 18:31:43 -0400 Message-ID: References: <1379475143-2792-1-git-send-email-keith.busch@intel.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:48833 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754035Ab3ITWbu (ORCPT ); Fri, 20 Sep 2013 18:31:50 -0400 In-Reply-To: <1379475143-2792-1-git-send-email-keith.busch@intel.com> (Keith Busch's message of "Tue, 17 Sep 2013 21:32:23 -0600") Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Keith Busch Cc: linux-scsi@vger.kernel.org, "Martin K. Petersen" , "James E.J. Bottomley" , Ric Wheeler >>>>> "Keith" == Keith Busch writes: Keith> The ref tag should be the device's physical LBA rather than the Keith> 512 byte bio sector. The bip sector is just a seed value set by the application. It is not correct to scale it based on sector size or PI interval. -- Martin K. Petersen Oracle Linux Engineering