From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hubert Chan Subject: Re: silent semantic changes in reiser4 (brief attempt to document the idea of what reiser4 wants to do with metafiles and why Date: Tue, 31 Aug 2004 16:22:19 -0400 Sender: news Message-ID: <874qmjm51g.fsf@uhoreg.ca> References: <41323AD8.7040103@namesys.com> <200408312055.56335.v13@priest.com> <36793180.20040831201736@tnonline.net> <200408312235.35733.v13@priest.com> Mime-Version: 1.0 Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: reiserfs-list@namesys.com Cc: linux-kernel@vger.kernel.org >>>>> "V13" == V13 writes: V13> On Tuesday 31 August 2004 21:17, Spam wrote: >> It is a good thought. However I think they are trying to figure out a >> way to have the metadata and streams to be accesible with legacy >> applications. V13> They will be since after chdir_meta() the user will be able to look V13> at the metadata just like Hans described it. Uh, no. Legacy means no changes made. It shouldn't need to be modified to use chdir_meta. >From what I can see, your proposal isn't much different from the openat proposal. V13> The only thing that changes (from the userland POV) is the way V13> someone can enter the 'metadata directory'. This way you don't have V13> to have a special name, just a special function and no existing V13> application (like tar) can possibly break because it will not know V13> how to enter this 'metadata directory'. tar won't be able to backup the metadata. That's the major breakage of tar that we're worried about. -- Hubert Chan - http://www.uhoreg.ca/ PGP/GnuPG key: 1024D/124B61FA Fingerprint: 96C5 012F 5F74 A5F7 1FF7 5291 AF29 C719 124B 61FA Key available at wwwkeys.pgp.net. Encrypted e-mail preferred.