Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 4 Jul 2001 02:51:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 4 Jul 2001 02:51:00 -0400 Received: from humbolt.nl.linux.org ([131.211.28.48]:20236 "EHLO humbolt.nl.linux.org") by vger.kernel.org with ESMTP id ; Wed, 4 Jul 2001 02:50:55 -0400 Content-Type: text/plain; charset=US-ASCII From: Daniel Phillips To: "Ph. Marek" , Rik van Riel Subject: Re: Ideas for TUX2 Date: Wed, 4 Jul 2001 08:54:24 +0200 X-Mailer: KMail [version 1.2] Cc: In-Reply-To: <3.0.6.32.20010703082513.0091f900@pop3.bmlv.gv.at> <3.0.6.32.20010704081621.00921a60@pop3.bmlv.gv.at> In-Reply-To: <3.0.6.32.20010704081621.00921a60@pop3.bmlv.gv.at> MIME-Version: 1.0 Message-Id: <01070408542401.03760@starship> Content-Transfer-Encoding: 7BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 04 July 2001 08:16, Ph. Marek wrote: > >> If a file's data has been changed, it suffices to update the inode and > >> the of free blocks bitmap (fbb). > >> But updating them in one go is not possible > > > >You seem to have missed some fundamental understanding of > >exactly how phase tree works; the wohle point of phase > >tree is to make atomic updates like this possible! > > Well, my point was, that with several thousand inodes spread over the disk > it won't always be possible to update the inode AND the fbb in one go. > So I proposed the 2nd inode with generation counter! The cool thing is, it *is* possible, read how here: http://nl.linux.org/~phillips/tux2/phase.tree.tutorial.html -- Daniel - 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/