From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vladislav Bolkhovitin Subject: Re: [Scst-devel] Fwd: Re: linuxcon 2010... Date: Fri, 27 Aug 2010 00:11:03 +0400 Message-ID: <4C76CA57.3050405@vlnb.net> References: <594039.74663.qm@web111905.mail.gq1.yahoo.com> <1282144271.3035.31.camel@mulgrave.site> <1282148296.3035.49.camel@mulgrave.site> <4C6C1D70.7020502@vlnb.net> <41A1E2691BBB412BADCDE5F515CD8EDA@usish.com.cn> <8A96806D-6CD7-44AD-8A9D-143C098C95A4@uni-paderborn.de> <1282256949.30453.278.camel@haakon2.linux-iscsi.org> <4C701E08.2020005@vlnb.net> <1282423398.3015.39.camel@mulgrave.site> <4C73DA15.2010207@vlnb.net> <1282661876.2993.20.camel@mulgrave.site> <4C7421FB.2060007@vlnb.net> <1282685014.32007.51.camel@haakon2.linux-iscsi.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from moutng.kundenserver.de ([212.227.126.187]:55193 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751931Ab0HZULI (ORCPT ); Thu, 26 Aug 2010 16:11:08 -0400 In-Reply-To: <1282685014.32007.51.camel@haakon2.linux-iscsi.org> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "Nicholas A. Bellinger" Cc: James Bottomley , Dirk Meister , linux-scsi@vger.kernel.org, Chetan Loke , Chetan Loke , scst-devel , linux-kernel@vger.kernel.org, Mike Christie , FUJITA Tomonori Nicholas A. Bellinger, on 08/25/2010 01:23 AM wrote: > As mentioned explictly earlier in this thread, my WIP code for the > kernel level subsystem backstore using STGT kernel<-> user CDB > passthrough logic in drivers/target/target_core_stgt.c is a item on > my TODO list, but I will repeat, is NOT being tagged as a mainline > .37 item. Hmm, I can't understand, if target_core_stgt.c is "NOT being tagged as a mainline .37 item", then the STGT ABI compatibility for being a drop in replacement for STGT isn't a requirement? Or am I missing something? > Tomo-san, mnc, and other storage folks have been briefed on the > remaining issues that would be involved to get a prototype > functioning with drivers/target/target_core_stgt.c, and rough idea of > what it would take in existing mainline drivers/scsi/scsi_tgt_*.c > code. With the current WIP code this will allow the userspace CDB -> > LUN passthrough to function transparently with all TCM SPC-4 > compliant logic as a standalone struct se_subsystem_api > tcm_core_stgt.ko backstore. This is exactly what we are discussing. Thanks, Vlad