Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751423Ab3JTK2i (ORCPT ); Sun, 20 Oct 2013 06:28:38 -0400 Received: from venus.codepro.be ([5.9.86.228]:13173 "EHLO venus.codepro.be" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751011Ab3JTK2h (ORCPT ); Sun, 20 Oct 2013 06:28:37 -0400 X-Greylist: delayed 390 seconds by postgrey-1.27 at vger.kernel.org; Sun, 20 Oct 2013 06:28:37 EDT Date: Sun, 20 Oct 2013 12:22:03 +0200 From: Kristof Provost To: jiaweiwei Cc: "linux-kernel@vger.kernel.org" , Harry Wei Subject: Re: [RFC] Rollback FS Message-ID: <20131020102203.GB77546@vega.codepro.be> References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-PGP-Fingerprint: E114 D9EA 909E D469 8F57 17A5 7D15 91C6 9EFA F286 User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 829 Lines: 20 On 2013-10-20 15:06:33 (+0800), jiaweiwei wrote: > We could implement a File System to record all the operations which > send to VFS. Then when you think you have done a mistake command, you > could rollback from this File System. > > This is just a RFC, I would give detail implementations. Would anyone > please give me some suggestions? Thanks very much. I think it needs to be fleshed out a lot more. For example, how would you tell it to roll back without a functional libc? How does it differ from the snapshot feature in btrfs? Regards, Kristof -- 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/