From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Allison Subject: Re: silent semantic changes with reiser4 Date: Thu, 26 Aug 2004 22:28:04 -0700 Message-ID: <20040827052804.GD2736@localhost.localdomain> References: <20040826173227.GB1570@legion.cup.hp.com> Reply-To: Jeremy Allison Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jeremy Allison , Andrew Morton , Spam , wichert@wiggy.net, torvalds@osdl.org, reiser@namesys.com, hch@lst.de, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, flx@namesys.com, reiserfs-list@namesys.com Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com To: Rik van Riel Content-Disposition: inline In-Reply-To: List-Id: linux-fsdevel.vger.kernel.org On Thu, Aug 26, 2004 at 02:17:04PM -0400, Rik van Riel wrote: > On Thu, 26 Aug 2004, Jeremy Allison wrote: > > > 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). > > So your backup software ignores it, and after a restore you've > lost your new metadata ? Yes, but then you fix your backup software and everyone lives happily ever after :-)...... It's a better solution than changing *every single application in existance* (the "userspace library" approach). IMHO of course. Jeremy.