From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NDc9H-0007TJ-MP for qemu-devel@nongnu.org; Thu, 26 Nov 2009 06:04:31 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NDc9C-0007Pb-HP for qemu-devel@nongnu.org; Thu, 26 Nov 2009 06:04:30 -0500 Received: from [199.232.76.173] (port=38796 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NDc9B-0007P5-Rp for qemu-devel@nongnu.org; Thu, 26 Nov 2009 06:04:25 -0500 Received: from mx1.redhat.com ([209.132.183.28]:37274) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NDc9B-0005fi-5Q for qemu-devel@nongnu.org; Thu, 26 Nov 2009 06:04:25 -0500 Message-ID: <4B0E60AF.9000508@redhat.com> Date: Thu, 26 Nov 2009 12:04:15 +0100 From: Gerd Hoffmann MIME-Version: 1.0 Subject: Re: [Qemu-devel] [sneak preview] major scsi overhaul References: <4AF4ACA5.2090701@redhat.com> <200911161853.34668.paul@codesourcery.com> <4B0BCAA1.3090400@redhat.com> <200911241351.03650.paul@codesourcery.com> <4B0D5D36.6080100@redhat.com> <4B0E2EC8.7040309@suse.de> <4B0E3B90.5080001@redhat.com> <4B0E5EFD.6060701@suse.de> In-Reply-To: <4B0E5EFD.6060701@suse.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Hannes Reinecke Cc: Paul Brook , qemu-devel@nongnu.org On 11/26/09 11:57, Hannes Reinecke wrote: > Then the guest would see a partial request and retry the > remainder of the request, which (possibly after some iterations) > would result in all data transferred, albeit at a lower speed. Except they don't. /me looks at drivers/scsi/sd.c:sd_done() I can't see any sane way to tell linux that the request was too big. cheers, Gerd