From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S267934AbUH0IQR (ORCPT ); Fri, 27 Aug 2004 04:16:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268215AbUH0IOF (ORCPT ); Fri, 27 Aug 2004 04:14:05 -0400 Received: from rwcrmhc12.comcast.net ([216.148.227.85]:5850 "EHLO rwcrmhc12.comcast.net") by vger.kernel.org with ESMTP id S267934AbUH0INl (ORCPT ); Fri, 27 Aug 2004 04:13:41 -0400 Message-ID: <412EED36.3080802@namesys.com> Date: Fri, 27 Aug 2004 01:13:42 -0700 From: Hans Reiser User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040803 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jeremy Allison CC: Andrew Morton , Spam , wichert@wiggy.net, torvalds@osdl.org, hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, flx@namesys.com, reiserfs-list@namesys.com Subject: Re: silent semantic changes with reiser4 References: <412CEE38.1080707@namesys.com> <20040825152805.45a1ce64.akpm@osdl.org> <112698263.20040826005146@tnonline.net> <1453698131.20040826011935@tnonline.net> <20040825163225.4441cfdd.akpm@osdl.org> <20040825233739.GP10907@legion.cup.hp.com> <20040825234629.GF2612@wiggy.net> <1939276887.20040826114028@tnonline.net> <20040826024956.08b66b46.akpm@osdl.org> <20040826173227.GB1570@legion.cup.hp.com> In-Reply-To: <20040826173227.GB1570@legion.cup.hp.com> X-Enigmail-Version: 0.85.0.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I think Jeremy is accurate in saying the below. Jeremy Allison wrote: >>What compelling reason is there for doing this in the kernel? >> >> > > >Because without kernel support there is no way someone can >publish a new metadata type and have it automatically supported >by all application data files (ie. most apps ignore it, and only >apps that are aware of it can see it). Without kernel support >you have to have all apps agree on a data format. And >that's harder to do than getting linux kernel VFS engineers >to agree on things :-). > >Jeremy. > > > >