Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263234AbTEIMep (ORCPT ); Fri, 9 May 2003 08:34:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263235AbTEIMep (ORCPT ); Fri, 9 May 2003 08:34:45 -0400 Received: from phoenix.infradead.org ([195.224.96.167]:47885 "EHLO phoenix.infradead.org") by vger.kernel.org with ESMTP id S263234AbTEIMen (ORCPT ); Fri, 9 May 2003 08:34:43 -0400 Date: Fri, 9 May 2003 13:47:19 +0100 From: Christoph Hellwig To: Chuck Ebbert <76306.1226@compuserve.com> Cc: Christoph Hellwig , Alan Cox , linux-kernel Subject: Re: The disappearing sys_call_table export. Message-ID: <20030509134719.A22735@infradead.org> Mail-Followup-To: Christoph Hellwig , Chuck Ebbert <76306.1226@compuserve.com>, Alan Cox , linux-kernel References: <200305090843_MC3-1-381B-B2E9@compuserve.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: <200305090843_MC3-1-381B-B2E9@compuserve.com>; from 76306.1226@compuserve.com on Fri, May 09, 2003 at 08:41:13AM -0400 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 843 Lines: 22 On Fri, May 09, 2003 at 08:41:13AM -0400, Chuck Ebbert wrote: > Christoph Hellwig wrote: > > > You can have multiple mountspoints with the same path, only > > the topmost one will be seen by userland. > > What keeps users from opening files before the upper layer > filesystems get mounted? Nothing. Why would we want to do such silly things? > And how do you handle user-mountable > media like CD-ROMS? look at supermount for a stackable filesystem that does nothing but dealing with such media :) It also shows how the underlying fs can be mounted without ever exposing it to userspace.. - 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/