Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264957AbTF3HiZ (ORCPT ); Mon, 30 Jun 2003 03:38:25 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S265079AbTF3HiZ (ORCPT ); Mon, 30 Jun 2003 03:38:25 -0400 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:51128 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S264957AbTF3HiW (ORCPT ); Mon, 30 Jun 2003 03:38:22 -0400 Date: Mon, 30 Jun 2003 08:52:42 +0100 From: viro@parcelfarce.linux.theplanet.co.uk To: "Frederick, Fabian" Cc: "'linux-kernel@vger.kernel.org'" Subject: Re: [PATCH] Trying to improve /proc/filesystems Message-ID: <20030630075242.GM27348@parcelfarce.linux.theplanet.co.uk> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 785 Lines: 24 On Mon, Jun 30, 2003 at 09:21:00AM +0200, Frederick, Fabian wrote: > Hi, > I'm trying to do > > nodev xxx 0 > yyy 2 > (or replace nodev by 0->x) > > with the following but Linux complains : VFS : unable to mount > root....Someone could help ? Yes. Layout of files in procfs should be treated as a part of ABI. IOW, you make incompatible change - things break. Folks, file in /proc is not different from a syscall in that respect - changing layout has the same effect as changes of layout in syscall arguments. IOW, don't do that. - 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/