From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761280AbXGDNDR (ORCPT ); Wed, 4 Jul 2007 09:03:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759355AbXGDNDB (ORCPT ); Wed, 4 Jul 2007 09:03:01 -0400 Received: from one.firstfloor.org ([213.235.205.2]:32905 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759339AbXGDNDA (ORCPT ); Wed, 4 Jul 2007 09:03:00 -0400 Date: Wed, 4 Jul 2007 15:02:58 +0200 From: Andi Kleen To: Alan Cox Cc: Andi Kleen , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, jeff@garzik.org Subject: Re: Libata PATA status Message-ID: <20070704130258.GA10904@one.firstfloor.org> References: <20070703185116.59c8f5f5@the-village.bc.nu> <20070704131746.4bbe4d0e@the-village.bc.nu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070704131746.4bbe4d0e@the-village.bc.nu> User-Agent: Mutt/1.4.2.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 04, 2007 at 01:17:46PM +0100, Alan Cox wrote: > On 04 Jul 2007 15:00:26 +0200 > Andi Kleen wrote: > > > Alan Cox writes: > > > > > > Post SRST > > What is SRST? > > > > My personal wish list feature would be a little forwarder driver > > to forward /dev/hd* to /dev/sd* for this; then old IDE could be > > disabled without risking breaking old root file systems. > > That would be udevd for new systems or "ln -s" for old ones ? Then old kernels couldn't be booted anymore. > > I don't see a way to build that "simple" forwarder because the device > allocation is now dynamic rather than tied to specific device on specific > port - a concept with really no meaning any more. Sure for SATA. But surely for PATA it would be possible to fake the mapping of the old driver? Doing it simple minded (e.g. only for the builtin devices) would be probably sufficient. -Andi