From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758514AbYDALQx (ORCPT ); Tue, 1 Apr 2008 07:16:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756596AbYDALQp (ORCPT ); Tue, 1 Apr 2008 07:16:45 -0400 Received: from lazybastard.de ([212.112.238.170]:58346 "EHLO longford.logfs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753253AbYDALQp (ORCPT ); Tue, 1 Apr 2008 07:16:45 -0400 Date: Tue, 1 Apr 2008 13:16:28 +0200 From: =?utf-8?B?SsO2cm4=?= Engel To: Artem Bityutskiy Cc: Adrian Hunter , Jan Engelhardt , Artem Bityutskiy , LKML , joern@lazybastard.org Subject: Re: UBIFS vs Logfs (was [RFC PATCH] UBIFS - new flash file system) Message-ID: <20080401111627.GF7465@logfs.org> References: <1206629746-4298-1-git-send-email-Artem.Bityutskiy@nokia.com> <47F0DD49.7010302@nokia.com> <20080331132047.GA31660@logfs.org> <47F1C78D.2050300@yandex.ru> <20080401091945.GB7465@logfs.org> <47F20464.4070202@yandex.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <47F20464.4070202@yandex.ru> User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 1 April 2008 12:46:12 +0300, Artem Bityutskiy wrote: > Jörn Engel wrote: > >Write-back of data: currently not. > > Taking into account this, bad block handling and other stuff I kindly ask > you > not to do these "tricky" things like comparing amount of code lines. > I believe if you implement all the things, you'll have _way_ more code. I > believe you'll even have to re-design many things because write-back really > affects the design a lot. Let's be fair. Take those numbers with as much salt as you like. Implementing write-back caching for metadata actually reduced the line count by 100 or so. And it did affect the design a lot, I agree. Jörn -- The wise man seeks everything in himself; the ignorant man tries to get everything from somebody else. -- unknown