From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S265466AbUBPIl0 (ORCPT ); Mon, 16 Feb 2004 03:41:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265468AbUBPIl0 (ORCPT ); Mon, 16 Feb 2004 03:41:26 -0500 Received: from ns.suse.de ([195.135.220.2]:47748 "EHLO Cantor.suse.de") by vger.kernel.org with ESMTP id S265466AbUBPIlY (ORCPT ); Mon, 16 Feb 2004 03:41:24 -0500 To: Christophe Saout Cc: kangur@polcom.net, linux-kernel@vger.kernel.org Subject: Re: dm-crypt using kthread References: <1o4ML-V4-5@gated-at.bofh.it> <1pypu-2eR-25@gated-at.bofh.it> <1pySs-2Hu-13@gated-at.bofh.it> <1pzve-3a8-21@gated-at.bofh.it> <1pzEW-3hA-11@gated-at.bofh.it> <1pAhG-3RJ-29@gated-at.bofh.it> <1pArj-3ZE-31@gated-at.bofh.it> <1pG3C-kZ-9@gated-at.bofh.it> <1pGdl-qX-11@gated-at.bofh.it> <1pGn1-E8-23@gated-at.bofh.it> <1pHj1-1q2-11@gated-at.bofh.it> From: Andi Kleen In-Reply-To: <1pHj1-1q2-11@gated-at.bofh.it> (Christophe Saout's message of "Mon, 16 Feb 2004 04:10:07 +0100") User-Agent: Gnus/5.110002 (No Gnus v0.2) Emacs/21.2 (gnu/linux) Date: Mon, 16 Feb 2004 04:58:48 +0100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Christophe Saout writes: > Am Mo, den 16.02.2004 schrieb Grzegorz Kulewski um 03:07: > >> > Is there more documentation that this? I'd imagine a lot of crypto-loop >> > users wouldn't have a clue how to get started on dm-crypt, especially if >> > they have not used device mapper before. >> > >> > And how do they migrate existing encrypted filesytems? >> >> And is the format considered "stable"? >> (= if I will create fs on it, will I have problems with future kernels?) > > Yes. The cryptoloop compatible format will stay this way. The format > (basically the cipher used and the iv generation mode) can be specified. "Can be specified" = not stable, and likely means you cannot use old file systems. -Andi