Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760818AbXKAKxS (ORCPT ); Thu, 1 Nov 2007 06:53:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757063AbXKAKxF (ORCPT ); Thu, 1 Nov 2007 06:53:05 -0400 Received: from [81.2.110.250] ([81.2.110.250]:60776 "EHLO the-village.bc.nu" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1756473AbXKAKxC (ORCPT ); Thu, 1 Nov 2007 06:53:02 -0400 Date: Thu, 1 Nov 2007 10:53:35 +0000 From: Alan Cox To: Jeff Garzik Cc: Jens Axboe , Daniel Drake , linux list , linux-ide@vger.kernel.org, Tejun Heo , Albert Lee Subject: Re: "Fix ATAPI transfer lengths" causes CD writing regression Message-ID: <20071101105335.1f20bab3@the-village.bc.nu> In-Reply-To: <4729A0DF.20800@garzik.org> References: <47274A5F.6070409@gentoo.org> <20071030153417.59b9182c@the-village.bc.nu> <47276DCA.1000808@gentoo.org> <20071030190153.373c9347@the-village.bc.nu> <47278439.4030801@gentoo.org> <20071031114958.210bd7cc@the-village.bc.nu> <20071031115754.GK5059@kernel.dk> <4729A0DF.20800@garzik.org> X-Mailer: Claws Mail 2.10.0 (GTK+ 2.10.14; i386-redhat-linux-gnu) Organization: Red Hat UK Cyf., Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SL4 1TE, Y Deyrnas Gyfunol. Cofrestrwyd yng Nghymru a Lloegr o'r rhif cofrestru 3798903 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 610 Lines: 17 > demonstrated by (a) Alan's patch did not change DMA lbam/lbah > programming and (b) Daniel's report of the message "ata2.00: 66 bytes (a) did. Well the original did, dunno about your version. > I am not drawing any conclusions yet, but I'm thinking that blimit=8k > may be a better choice for SATA ATAPI. Only if your transfer is actually 8K or more. Alan - 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/