From mboxrd@z Thu Jan 1 00:00:00 1970 From: hooanon05@yahoo.co.jp Subject: Re: [fuse-devel] delta filesystem prototype Date: Tue, 10 Mar 2009 00:20:42 +0900 Message-ID: <10242.1236612042@jrobl> References: <87sklyh3wu.fsf@frosties.localdomain> <200903010138.39329.bs_lists@aakef.fastmail.fm> <87eixhfsyi.fsf@frosties.localdomain> <87y6vlcr6p.fsf@frosties.localdomain> <87mybzd9nn.fsf@frosties.localdomain> <639.1236388786@jrobl> <871vt9iu21.fsf@frosties.localdomain> <8773.1236417375@jrobl> <87y6vex4l2.fsf@frosties.localdomain> <7936.1236605770@jrobl> <87iqmivkmd.fsf@frosties.localdomain> Cc: Miklos Szeredi , bs_lists@aakef.fastmail.fm, fuse-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org To: Goswin von Brederlow Return-path: Received: from vsmtp04.dti.ne.jp ([202.216.231.139]:56609 "EHLO vsmtp04.dti.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751020AbZCIPVF (ORCPT ); Mon, 9 Mar 2009 11:21:05 -0400 In-Reply-To: <87iqmivkmd.fsf@frosties.localdomain> Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Goswin von Brederlow: > I can't think of anything that would break if hardlinks would have a > copy-on-write/copy-up semantic in delta-fs. What do you expect to the last "cat b"? (from my old mail) ---------------------------------------------------------------------- Since you don't care the inum, the hardlink will not work correctly. For instance, $ cd /base $ echo a > a $ ln a b $ cd /deltafs $ echo a >> a $ cat b ---------------------------------------------------------------------- J. R. Okajima