Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760664AbZADTvk (ORCPT ); Sun, 4 Jan 2009 14:51:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758709AbZADTvc (ORCPT ); Sun, 4 Jan 2009 14:51:32 -0500 Received: from ug-out-1314.google.com ([66.249.92.174]:22635 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758697AbZADTvb (ORCPT ); Sun, 4 Jan 2009 14:51:31 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references:x-google-sender-auth; b=Txx+A212MOZK3+N6tlnQJNZKJH24mcS5N1Ax72w+z4m9NYBBrc3lJ9BrKRxY+CrEVi 8/beMT0kHUFtHKsNY3L8iMCCd1+QQmsls0j3WFauV2yGNOVUc9tGVp8EF533XRbDz11U Ut6nEA96z11cbxYWpiuU2gLXh/BeaEMf+Pj44= Message-ID: Date: Sun, 4 Jan 2009 19:51:27 +0000 From: "Duane Griffin" To: "Theodore Tso" , "Geert Uytterhoeven" , "Duane Griffin" , Valdis.Kletnieks@vt.edu, "=?WINDOWS-1252?Q?Martin_MOKREJ=8A?=" , "Pavel Machek" , "kernel list" , "Andrew Morton" , mtk.manpages@gmail.com, rdunlap@xenotime.net, linux-doc@vger.kernel.org Subject: Re: document ext3 requirements In-Reply-To: <20090104193637.GB22958@mit.edu> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <495FEE66.9080903@ribosome.natur.cuni.cz> <495FF9CE.2020908@ribosome.natur.cuni.cz> <495FFECB.5040001@ribosome.natur.cuni.cz> <15786.1231041158@turing-police.cc.vt.edu> <20090104184040.GC17558@mit.edu> <20090104193637.GB22958@mit.edu> X-Google-Sender-Auth: 63b2b15c1ab0800a Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1242 Lines: 29 2009/1/4 Theodore Tso : > On Sun, Jan 04, 2009 at 08:21:06PM +0100, Geert Uytterhoeven wrote: >> As for mounting the root file system read-only during early boot up, and >> remounting it read-write later, I guess it's quite complicated to replay the >> journal (in RAM) on read-only mount, and deferring the replay writeback until >> remounting read-write? > > It's not *that* hard; if someone would like to cons up a patch, please > feel free.... but it's certainly not a high priority for me or most > of the other ext3 filesystem developers. If anyone is interested I'd be happy to dust off and send them my old patches to implement this. There are a couple of issues with it. First, I never got around to implementing remount R/W support. Second, I had to introduce a rather nasty hack in order to handle un-escaping JFS magic numbers. > - Ted Cheers, Duane. -- "I never could learn to drink that blood and call it wine" - Bob Dylan -- 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/