Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S266871AbUFYV5w (ORCPT ); Fri, 25 Jun 2004 17:57:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266873AbUFYV5w (ORCPT ); Fri, 25 Jun 2004 17:57:52 -0400 Received: from fw.osdl.org ([65.172.181.6]:55949 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S266871AbUFYV5p (ORCPT ); Fri, 25 Jun 2004 17:57:45 -0400 Date: Fri, 25 Jun 2004 15:00:21 -0700 From: Andrew Morton To: Sean Neakums Cc: linux-kernel@vger.kernel.org Subject: Re: Collapse ext2 and 3 please Message-Id: <20040625150021.3f50350b.akpm@osdl.org> In-Reply-To: <6uhdsz3jud.fsf@zork.zork.net> References: <40DB605D.6000409@comcast.net> <6uhdsz3jud.fsf@zork.zork.net> X-Mailer: Sylpheed version 0.9.7 (GTK+ 1.2.10; i586-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 782 Lines: 18 Sean Neakums wrote: > > I seem to remember somebody, I think maybe Andrew Morton, suggesting > that a no-journal mode be added to ext3 so that ext2 could be removed. > I can't find the message in question right now, though. I think it could be done, mainly as a kernel-space-saving exercise. But the two filesystems are quite different nowadays. ext2 uses per-inode pagecache for directories, ext3 uses blockdev pagecache. The truncate algorithms are significantly different. Other stuff. Much pain, little gain. - 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/