From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759234AbZFQJDG (ORCPT ); Wed, 17 Jun 2009 05:03:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756224AbZFQJCy (ORCPT ); Wed, 17 Jun 2009 05:02:54 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:44668 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755229AbZFQJCx (ORCPT ); Wed, 17 Jun 2009 05:02:53 -0400 Date: Wed, 17 Jun 2009 10:02:40 +0100 From: Alan Cox To: David Howells Cc: Christoph Hellwig , dhowells@redhat.com, torvalds@osdl.org, akpm@linux-foundation.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Jacob Thebault-Spieker , linux-afs@lists.infradead.org Subject: Re: [PATCH 01/17] VFS: Implement the pioctl() system call Message-ID: <20090617100240.55c85e23@lxorguk.ukuu.org.uk> In-Reply-To: <11610.1245197984@redhat.com> References: <20090616205454.GA2181@infradead.org> <20090616203845.4526.60013.stgit@warthog.procyon.org.uk> <20090616203850.4526.83585.stgit@warthog.procyon.org.uk> <11610.1245197984@redhat.com> X-Mailer: Claws Mail 3.7.0 (GTK+ 2.14.7; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Now, assuming I do produce such a userspace library - that does not address > the other requirement: that of using a common set of binaries to manipulate > both OpenAFS and kAFS without the need for recompilation. I presume you > advocate making OpenAFS change to suit your requirements? If you have a library providing pioctl() it can speak brain damage to the OpenAFS module and sensible interfaces otherwise. The problem you are attempting to introduce simply doesn't exist.