From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757547AbZFANCX (ORCPT ); Mon, 1 Jun 2009 09:02:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754220AbZFANCP (ORCPT ); Mon, 1 Jun 2009 09:02:15 -0400 Received: from an-out-0708.google.com ([209.85.132.244]:54044 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753157AbZFANCO (ORCPT ); Mon, 1 Jun 2009 09:02:14 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=p0rRpqWU18ENhiMtvmZls5xj2ci37EEDslbnQga+bqUca3tt7ZqgSgE3ysOfIx5XRE HULpxypAC1aWXFYtNuvxZYeKpTSGrQ1sIE3wW3uQDTwYkMYHTqz+uGmssxgIEyWMKCS+ QDkCkZPYl39hTWVAHjZK4OuJnWDt5IfTCm3c4= MIME-Version: 1.0 In-Reply-To: <200905311735.01244.bzolnier@gmail.com> References: <20090531143911.7164.26834.sendpatchset@localhost.localdomain> <20090531152403.GA26987@ub> <200905311735.01244.bzolnier@gmail.com> Date: Mon, 1 Jun 2009 09:02:11 -0400 Message-ID: <87f94c370906010602o2266c4a7s4fca46cf24cea004@mail.gmail.com> Subject: Re: [PATCH 0/4] partitions/ide: improve Host Protected Area handling From: Greg Freemyer To: Bartlomiej Zolnierkiewicz Cc: "Andries E. Brouwer" , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, Robert Hancock , Al Viro , Frans Pop Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, May 31, 2009 at 11:34 AM, Bartlomiej Zolnierkiewicz wrote: > On Sunday 31 May 2009 17:24:03 Andries E. Brouwer wrote: >> On Sun, May 31, 2009 at 04:39:11PM +0200, Bartlomiej Zolnierkiewicz wrote: >> >> [HPA stuff deleted] >> >> Hi Bartlomiej, >> >> Apart from HPA one also has DCO, which functions rather similarly. >> (I have not checked whether the current kernel knows anything about DCO.) >> Have you thought about DCO? >> Probably the kernel should by default not touch any such setting. >> Maybe it should be reported? >> A user space utility might change this setting - thus a disk can change size. > > We leave DCO handling entirely to user-space currently. And to the best of my knowledge user-space leaves it entirely to the kernel. ie. There is no opensource Linux solution I know of. Greg -- Greg Freemyer Head of EDD Tape Extraction and Processing team Litigation Triage Solutions Specialist http://www.linkedin.com/in/gregfreemyer First 99 Days Litigation White Paper - http://www.norcrossgroup.com/forms/whitepapers/99%20Days%20whitepaper.pdf The Norcross Group The Intersection of Evidence & Technology http://www.norcrossgroup.com