Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264874AbUFGQTl (ORCPT ); Mon, 7 Jun 2004 12:19:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264920AbUFGQTl (ORCPT ); Mon, 7 Jun 2004 12:19:41 -0400 Received: from mail.fh-wedel.de ([213.39.232.194]:50390 "EHLO mail.fh-wedel.de") by vger.kernel.org with ESMTP id S264874AbUFGQTi (ORCPT ); Mon, 7 Jun 2004 12:19:38 -0400 Date: Mon, 7 Jun 2004 18:19:31 +0200 From: =?iso-8859-1?Q?J=F6rn?= Engel To: David Woodhouse Cc: Daniel Egger , cijoml@volny.cz, linux-kernel@vger.kernel.org Subject: Re: jff2 filesystem in vanilla Message-ID: <20040607161931.GB3521@wohnheim.fh-wedel.de> References: <200406041000.41147.cijoml@volny.cz> <1086390590.4588.70.camel@imladris.demon.co.uk> <3F4B6D09-B6CA-11D8-B781-000A958E35DC@axiros.com> <1086425211.4588.88.camel@imladris.demon.co.uk> <97F190B4-B6F5-11D8-B781-000A958E35DC@axiros.com> <1086454880.4588.594.camel@imladris.demon.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1086454880.4588.594.camel@imladris.demon.co.uk> User-Agent: Mutt/1.3.28i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1309 Lines: 32 On Sat, 5 June 2004 18:01:21 +0100, David Woodhouse wrote: > On Sat, 2004-06-05 at 15:38 +0200, Daniel Egger wrote: > > On 05.06.2004, at 10:46, David Woodhouse wrote: > > > If you're going to use JFFS2 on CF, you should really investigate using > > > the write-buffer we implemented for NAND flash, but without the ECC > > > parts. > > > However, do you have any specific pointers where to look? > > fs/jffs2/wbuf.c has most of the magic for buffering writes on NAND > flash. We want to use that, but we want to avoid the ECC handling which > we also do on NAND flash. It's relatively simple to adjust. Took me two weeks to tweak it for some "interesting" piece of NOR-Flash: http://mhonarc.axis.se/jffs-dev/msg01402.html The above Works For Me (tm), but is really ugly. Someone should clean it up and merge it into cvs someday. Maybe it's useful for you. J?rn -- To recognize individual spam features you have to try to get into the mind of the spammer, and frankly I want to spend as little time inside the minds of spammers as possible. -- Paul Graham - 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/