From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Dharm Subject: Re: [usb-storage] Re: [PATCH] fix Sony USB mass storage - pass larger receive buffer Date: Thu, 13 Nov 2003 17:06:28 -0800 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <20031113170628.E30194@one-eyed-alien.net> References: <1068767049.2851.166.camel@patrh9> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-md5; protocol="application/pgp-signature"; boundary="so9zsI5B81VjUb/o" Return-path: Received: from ziggy.one-eyed-alien.net ([64.169.228.100]:31493 "EHLO ziggy.one-eyed-alien.net") by vger.kernel.org with ESMTP id S261947AbTKNBGf (ORCPT ); Thu, 13 Nov 2003 20:06:35 -0500 Content-Disposition: inline In-Reply-To: <1068767049.2851.166.camel@patrh9>; from p.lavarre@ieee.org on Thu, Nov 13, 2003 at 04:44:09PM -0700 List-Id: linux-scsi@vger.kernel.org To: Pat LaVarre Cc: stern@rowland.harvard.edu, patmans@us.ibm.com, james.bottomley@steeleye.com, linux-scsi@vger.kernel.org, usb-storage@one-eyed-alien.net, ronald@kuetemeier.com, dmitrik@users.sourceforge.net, idan@idanso.dyndns.org --so9zsI5B81VjUb/o Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Nov 13, 2003 at 04:44:09PM -0700, Pat LaVarre wrote: > Alan S: > > Those sound like different issues from the one we've been discussing in= =20 > > this thread, namely: how should sd.c try to determine the read/write=20 > > status and cache-type of a disk device? >=20 > I mean to be saying sd.c should by default send the CDB's associated > with buffer lengths that produce the same BBB CBW's as Windows XP/2K, > and then determine the read/write status and cache-type from that info > alone. I would go for this approach, but nobody has been able to figure out what that CDB is. There is even some suggestion that Win doesn't send any such CDBs at all. > I haven't yet seen a trace of Win XP/2K. To my knowledge, nobody has. Matt --=20 Matthew Dharm Home: mdharm-usb@one-eyed-alien.= net=20 Maintainer, Linux USB Mass Storage Driver Sir, for the hundreth time, we do NOT carry 600-round boxes of belt-fed=20 suction darts! -- Salesperson to Greg User Friendly, 12/30/1997 --so9zsI5B81VjUb/o Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.6 (GNU/Linux) Comment: For info see http://www.gnupg.org iD8DBQE/tCqUIjReC7bSPZARArW7AKCmQFs+EnIuOUE5qYrH40Xmavxy7gCfTKcl fpwX1Y99IjnmL05LFXM2lX8= =QjQW -----END PGP SIGNATURE----- --so9zsI5B81VjUb/o--