From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: READ CAPACITY 16 Date: Wed, 17 Dec 2008 12:49:06 -0700 Message-ID: <20081217194906.GH19967@parisc-linux.org> References: <20081217164210.GC19967@parisc-linux.org> <20081217180640.GE19967@parisc-linux.org> <1229540692.3508.18.camel@localhost.localdomain> <20081217191135.GF19967@parisc-linux.org> <1229541249.3508.24.camel@localhost.localdomain> <20081217193237.GG19967@parisc-linux.org> <1229542617.3508.32.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from palinux.external.hp.com ([192.25.206.14]:47929 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750760AbYLQTtH (ORCPT ); Wed, 17 Dec 2008 14:49:07 -0500 Content-Disposition: inline In-Reply-To: <1229542617.3508.32.camel@localhost.localdomain> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: James Bottomley Cc: Grant Grundler , linux-scsi@vger.kernel.org On Wed, Dec 17, 2008 at 02:36:57PM -0500, James Bottomley wrote: > On Wed, 2008-12-17 at 12:32 -0700, Matthew Wilcox wrote: > > Are you willing to take a patch that sends RC16 for devices claiming > > SCSI_2, and falls back to RC10 if that doesn't work? Or shall I try to > > implement algorithm D and talk to T10? > > Not really ... SCSI_2 is where the problems are. SCSI 3 would be much > more acceptable. Then you can add an inquiry passthrough to USB > mangling for devices you need to work. That works for me. Best of all, I don't care about any USB devices today, so I won't even have to do the second part! -- Matthew Wilcox Intel Open Source Technology Centre "Bill, look, we understand that you're interested in selling us this operating system, but compare it to ours. We can't possibly take such a retrograde step."