From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261711AbUFERBZ (ORCPT ); Sat, 5 Jun 2004 13:01:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261723AbUFERBZ (ORCPT ); Sat, 5 Jun 2004 13:01:25 -0400 Received: from imladris.demon.co.uk ([193.237.130.41]:58570 "EHLO baythorne.infradead.org") by vger.kernel.org with ESMTP id S261711AbUFERBY (ORCPT ); Sat, 5 Jun 2004 13:01:24 -0400 Subject: Re: jff2 filesystem in vanilla From: David Woodhouse To: Daniel Egger Cc: cijoml@volny.cz, linux-kernel@vger.kernel.org In-Reply-To: <97F190B4-B6F5-11D8-B781-000A958E35DC@axiros.com> 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> Content-Type: text/plain Message-Id: <1086454880.4588.594.camel@imladris.demon.co.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 (1.4.6-2.dwmw2.1) Date: Sat, 05 Jun 2004 18:01:21 +0100 Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by baythorne.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org 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. The other thing that'll benefit you is checkpointing, which I keep threatening to implement but haven't yet got round to. -- dwmw2