From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752443AbXCLTbf (ORCPT ); Mon, 12 Mar 2007 15:31:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752707AbXCLTbf (ORCPT ); Mon, 12 Mar 2007 15:31:35 -0400 Received: from iolanthe.rowland.org ([192.131.102.54]:40590 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752443AbXCLTbe (ORCPT ); Mon, 12 Mar 2007 15:31:34 -0400 Date: Mon, 12 Mar 2007 15:31:32 -0400 (EDT) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Oliver Neukum cc: Dmitry Torokhov , Maneesh Soni , , Subject: Re: refcounting drivers' data structures used in sysfs buffers In-Reply-To: <200703121925.01771.oneukum@suse.de> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 12 Mar 2007, Oliver Neukum wrote: > > I'm with Dmitry; the whole thing becomes much, much simpler if we put back > > your patch and prevent sysfs access after unregistering an attribute > > file. No API changes are needed, no driver changes are needed, no radical > > core changes are needed,... All we would have to do is fix the one SCSI > > method to make it use a workqueue. > > Try. I did. Didn't you see this message from Saturday: http://marc.theaimsgroup.com/?l=linux-kernel&m=117355959020831&w=2 I sent it to Linus as well as to all of you. No replies received so far from anybody. > I don't like reverting my own code. But I predict he'll tell you that a > driver's bond with a device should be represented in a data structure > that is to be refcounted. :-) Alan Stern