From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: Versioning file system Date: Tue, 19 Jun 2007 14:38:43 -0600 Message-ID: <20070619203843.GU8154@parisc-linux.org> References: <46731169.2090002@hawkeye.stone.uk.eu.org> <4673182B.4090800@redhat.com> <46739E89.1080003@hawkeye.stone.uk.eu.org> <46781A5B.9090104@redhat.com> <4678292B.6000804@hawkeye.stone.uk.eu.org> <4678369C.7070908@redhat.com> <467837AB.4030607@hawkeye.stone.uk.eu.org> <18040.15842.698982.608861@stoffel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Jack Stone , Chris Snook , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, akpm@linux-foundation.org, viro@zeniv.linux.org.uk, "H. Peter Anvin" , alan To: John Stoffel Return-path: Received: from palinux.external.hp.com ([192.25.206.14]:44276 "EHLO mail.parisc-linux.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752986AbXFSUip (ORCPT ); Tue, 19 Jun 2007 16:38:45 -0400 Content-Disposition: inline In-Reply-To: <18040.15842.698982.608861@stoffel.org> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Tue, Jun 19, 2007 at 04:34:42PM -0400, John Stoffel wrote: > >>>>> "Jack" == Jack Stone writes: > > Jack> The whole idea of the file system is that it wouldn't return the > Jack> file in the file listing. The user would have to know that the > Jack> file system was versioning to access the older versions as they > Jack> would explicitly have to request them. > > So tell me what happens when I do: > > touch foo:121212121212 You create a new file called 'foo:121212121212'. If you then modify it, you could access the old version as foo:121212121212:0. (The .snapshot directory makes more sense than magic names, since you can see what versions of a file are available without a special tool).