From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752288AbbIQRwk (ORCPT ); Thu, 17 Sep 2015 13:52:40 -0400 Received: from a.ns.miles-group.at ([95.130.255.143]:11949 "EHLO radon.swed.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751976AbbIQRwh (ORCPT ); Thu, 17 Sep 2015 13:52:37 -0400 Subject: Re: Failover root devices To: Drew DeVault , Richard Weinberger References: <55FAA6BB.3060008@odi.ch> <20150917114955.GA2600@homura> <55FAFD1D.8030305@cmpwn.com> Cc: =?UTF-8?Q?Ortwin_Gl=c3=bcck?= , "linux-kernel@vger.kernel.org" From: Richard Weinberger Message-ID: <55FAFDE1.2020707@nod.at> Date: Thu, 17 Sep 2015 19:52:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: <55FAFD1D.8030305@cmpwn.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Am 17.09.2015 um 19:49 schrieb Drew DeVault: >> I really don't see why we need this feature in-kernel as it can be >> done perfectly fine >> in userspace. Every non-trivial system needs an initramfs anyway these days. > > Most initramfs systems will parse the root= line of your kernel command line and use it to remount root. The kernel seems like the best place to establish this, since the various > initramfs solutions will implement the same format just to support parsing the kernel command line correctly. I mean, maybe that's not enough to justify putting it in the kernel, > but that's why I see the kernel as the appropriate place to implement this feature. Better send a patch to dracut folks. :-) Major distros use it and if the feature is nice other initramfs implementations will adopt it too. Thanks, //richard