From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267180AbUG1OjN (ORCPT ); Wed, 28 Jul 2004 10:39:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S267182AbUG1OjN (ORCPT ); Wed, 28 Jul 2004 10:39:13 -0400 Received: from jade.spiritone.com ([216.99.193.136]:10448 "EHLO jade.spiritone.com") by vger.kernel.org with ESMTP id S267180AbUG1OjJ (ORCPT ); Wed, 28 Jul 2004 10:39:09 -0400 Date: Wed, 28 Jul 2004 07:38:47 -0700 From: "Martin J. Bligh" To: Alan Cox , suparna@in.ibm.com cc: "Eric W. Biederman" , Andrew Morton , fastboot@osdl.org, Linux Kernel Mailing List Subject: Re: [Fastboot] Re: Announce: dumpfs v0.01 - common RAS output API Message-ID: <35040000.1091025526@[10.10.2.4]> In-Reply-To: <1091011565.30404.0.camel@localhost.localdomain> References: <16734.1090513167@ocs3.ocs.com.au> <20040725235705.57b804cc.akpm@osdl.org> <20040728105455.GA11282@in.ibm.com> <1091011565.30404.0.camel@localhost.localdomain> X-Mailer: Mulberry/2.2.1 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --Alan Cox wrote (on Wednesday, July 28, 2004 11:46:06 +0100): > On Mer, 2004-07-28 at 11:54, Suparna Bhattacharya wrote: >> On Tue, Jul 27, 2004 at 07:53:01PM -0600, Eric W. Biederman wrote: >> > Andrew Morton writes: >> > >> > > Keith Owens wrote: >> > > > >> > > > * How do we get a clean API to do polling mode I/O to disk? >> > > >> > > We hope to not have to. The current plan is to use kexec: at boot time, do > > If you are prepared to say "dump device is IDE" the driver ends up > pretty tiny - maybe 4K for PIO mode. After kexec, we shouldn't need such things, do we? Before it, Linus won't take the patch, as he said he doesn't like systems in unstable states doing crashdumps to disk ... M.