From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761458AbZE0Jsb (ORCPT ); Wed, 27 May 2009 05:48:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759281AbZE0JsV (ORCPT ); Wed, 27 May 2009 05:48:21 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:53272 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1759153AbZE0JsU (ORCPT ); Wed, 27 May 2009 05:48:20 -0400 Date: Wed, 27 May 2009 10:49:13 +0100 From: Alan Cox To: "Andries E. Brouwer" Cc: Frans Pop , Bartlomiej Zolnierkiewicz , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/3] ide: add "ignore_hpa" module parameter Message-ID: <20090527104913.644e6970@lxorguk.ukuu.org.uk> In-Reply-To: <20090526180821.GB13276@ub> References: <200905252344.11826.bzolnier@gmail.com> <200905260106.13705.elendil@planet.nl> <200905261423.40117.bzolnier@gmail.com> <200905261453.22428.elendil@planet.nl> <20090526140132.19e8bc13@lxorguk.ukuu.org.uk> <20090526180821.GB13276@ub> X-Mailer: Claws Mail 3.7.0 (GTK+ 2.14.7; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Probably I am missing some context, but the above seems to be > a false statement. The PC partition format does give you > start and size, and no filesystem knowledge is needed to > find out where a partition ends. I am indeed in error. The PC DOS format is indeed fine. I was remembering from the magneto-opticals and the problem there was you couldn't tell the size because there were two conflicting standards for partition encoding. So that means a distro can detect some of the cases which is even better and makes a sysfs interface even more useful. Alan