Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751731AbaBZBVF (ORCPT ); Tue, 25 Feb 2014 20:21:05 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:39287 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750868AbaBZBVB (ORCPT ); Tue, 25 Feb 2014 20:21:01 -0500 To: "Nicholas A. Bellinger" Cc: Paolo Bonzini , "Nicholas A. Bellinger" , target-devel , linux-scsi , linux-kernel , kvm-devel , "Michael S. Tsirkin" , "Martin K. Petersen" , Christoph Hellwig , Hannes Reinecke , Sagi Grimberg Subject: Re: [RFC 0/6] vhost/scsi: Add T10 PI SGL passthrough support From: "Martin K. Petersen" Organization: Oracle Corporation References: <1393219950-18613-1-git-send-email-nab@daterainc.com> <530B1DAF.7010702@redhat.com> <1393308311.12334.14.camel@haakon3.risingtidesystems.com> Date: Tue, 25 Feb 2014 20:20:42 -0500 In-Reply-To: <1393308311.12334.14.camel@haakon3.risingtidesystems.com> (Nicholas A. Bellinger's message of "Mon, 24 Feb 2014 22:05:11 -0800") Message-ID: User-Agent: Gnus/5.130005 (Ma Gnus v0.5) Emacs/24.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >>>>> "nab" == Nicholas A Bellinger writes: nab> Mmm, at least for PI I don't think a residual field is necessary. nab> Any time the metadata is not fully read on outgoing WRITEs, or nab> written on incoming READs the next hop performing a VERIFY nab> operation will end up failing with a GUARD or REFERENCE TAG nab> failure. nab> MKP..? Yeah, that should be OK. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/