Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764001AbXFKCD2 (ORCPT ); Sun, 10 Jun 2007 22:03:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762209AbXFKCDW (ORCPT ); Sun, 10 Jun 2007 22:03:22 -0400 Received: from terminus.zytor.com ([192.83.249.54]:45039 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758585AbXFKCDV (ORCPT ); Sun, 10 Jun 2007 22:03:21 -0400 Message-ID: <466CAD2D.3070607@zytor.com> Date: Sun, 10 Jun 2007 19:02:21 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.0 (X11/20070419) MIME-Version: 1.0 To: Matthew Garrett CC: Pavel Machek , Jeremy Maitin-Shepard , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, Linus Torvalds , Nigel Cunningham Subject: Re: A kexec approach to hibernation References: <878xb3l888.fsf@jbms.ath.cx> <200706020114.37245.rjw@sisk.pl> <87odjz9qo9.fsf@jbms.ath.cx> <200706020233.44509.rjw@sisk.pl> <87k5un9l4n.fsf@jbms.ath.cx> <20070604104621.GB4405@elf.ucw.cz> <20070604122054.GB26615@srcf.ucam.org> <20070604131000.GD1971@elf.ucw.cz> <20070604131624.GA27565@srcf.ucam.org> In-Reply-To: <20070604131624.GA27565@srcf.ucam.org> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 684 Lines: 16 Matthew Garrett wrote: > No, it only supports ext2 (and reading ext3 as if it's ext2). Right now, > the assumption that syncing during suspend will cause data to hit > something grub can read isn't a safe one. I brought this issue up quite a few years ago at an OLS BOF. We pretty much need a "supersync" system call; you can do this by bmapping any file on ext3, but having something supported across filesystems would be good. -hpa - 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/