From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262175AbUENSxA (ORCPT ); Fri, 14 May 2004 14:53:00 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262194AbUENSv5 (ORCPT ); Fri, 14 May 2004 14:51:57 -0400 Received: from phoenix.infradead.org ([213.86.99.234]:59922 "EHLO phoenix.infradead.org") by vger.kernel.org with ESMTP id S262170AbUENSvY (ORCPT ); Fri, 14 May 2004 14:51:24 -0400 Date: Fri, 14 May 2004 19:51:21 +0100 From: Christoph Hellwig To: Greg KH Cc: Norberto Bensa , linux-kernel@vger.kernel.org Subject: Re: does udev support sw raid0? Message-ID: <20040514195121.A27504@infradead.org> Mail-Followup-To: Christoph Hellwig , Greg KH , Norberto Bensa , linux-kernel@vger.kernel.org References: <200405141442.38404.norberto+linux-kernel@bensa.ath.cx> <20040514183450.GA2345@kroah.com> <20040514193913.A27388@infradead.org> <20040514184659.GA2401@kroah.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <20040514184659.GA2401@kroah.com>; from greg@kroah.com on Fri, May 14, 2004 at 11:46:59AM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 14, 2004 at 11:46:59AM -0700, Greg KH wrote: > How did this work with devfs then? The device node would not be present > before the ioctl needed to be called, right? Or did it do the "magic > lookup" mess and just "know" about md devices? md uses blk_register_region to get a callback for it's dev_t region without a registered gendisk, and also creates devfs entries before the gendisk is registered. It's a single big mess.