Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756237Ab1FHOlq (ORCPT ); Wed, 8 Jun 2011 10:41:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:5595 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756084Ab1FHOlp (ORCPT ); Wed, 8 Jun 2011 10:41:45 -0400 Message-ID: <4DEF8A1D.2080707@redhat.com> Date: Wed, 08 Jun 2011 09:41:33 -0500 From: Eric Sandeen User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.6; en-US; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10 MIME-Version: 1.0 To: "Amir G." CC: Lukas Czerner , linux-ext4@vger.kernel.org, tytso@mit.edu, linux-kernel@vger.kernel.org Subject: Re: [PATCH v1 00/30] Ext4 snapshots References: <1307459283-22130-1-git-send-email-amir73il@users.sourceforge.net> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1226 Lines: 25 On 6/8/11 9:04 AM, Amir G. wrote: >> And one last note, I also think that the snapshot format change in the >> > future, when we'll have snpashots with 64bit feature compatible seems >> > just wrong to me. Adding some features or changing the implementation a >> > bit is ok, but format change is different. When the code is upstream and >> > stable it is just wrong. > What can I say, I understand why it looks bad, but is 64bit code > upstream and stable? Hell no! e2fsprogs 64bit is not out yet! > There is no reason to call it 'format change'. > It's going to be a new format used only for 64bit fs, which are not > even out there yet. And when they are finally out there, they won't > have > snapshots until the new format is implemented. Well, the on-disk format for 64-bit (48-bit?) ext4 is there & fixed; it's just that there is no released userspace which can properly handle it, right? I don't anticipate ext4 format changes for >16T, or am I missing something? -Eric -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/