Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263979AbTEGWti (ORCPT ); Wed, 7 May 2003 18:49:38 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264139AbTEGWti (ORCPT ); Wed, 7 May 2003 18:49:38 -0400 Received: from pc2-cwma1-4-cust86.swan.cable.ntl.com ([213.105.254.86]:32645 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S263979AbTEGWth (ORCPT ); Wed, 7 May 2003 18:49:37 -0400 Subject: Re: [PATCH] 2.5 ide 48-bit usage From: Alan Cox To: hps@intermeta.de Cc: Linux Kernel Mailing List In-Reply-To: References: <20030507084920.GA823@suse.de> <20030507164613.GN823@suse.de> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Message-Id: <1052345009.3060.54.camel@dhcp22.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.2 (1.2.2-5) Date: 07 May 2003 23:03:30 +0100 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 687 Lines: 17 On Mer, 2003-05-07 at 22:45, Henning P. Schmiedehausen wrote: > Jens Axboe writes: > > >I dunno what the purpose of that would be exactly, I guess to cater to > >some hardware odditites? > > Wild guess: You can use larger transfer sizes with the 48 bit > interface, even when adressing the lower 28 bit space? The ide-disk logic Jens did already switches to LBA48 for large requests as well as requests high up on the disk - 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/