Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759776AbXK2GJG (ORCPT ); Thu, 29 Nov 2007 01:09:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752286AbXK2GIy (ORCPT ); Thu, 29 Nov 2007 01:08:54 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:59854 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752747AbXK2GIx (ORCPT ); Thu, 29 Nov 2007 01:08:53 -0500 Date: Wed, 28 Nov 2007 22:02:09 -0800 From: Greg KH To: Kay Sievers Cc: Cornelia Huck , linux-kernel@vger.kernel.org, Alan Stern , Jonathan Corbet , Randy Dunlap Subject: Re: [RFC] New kobject/kset/ktype documentation and example code Message-ID: <20071129060209.GD26327@kroah.com> References: <20071127230252.GB10038@kroah.com> <20071128124545.39ae8070@gondolin.boeblingen.de.ibm.com> <1196252582.3242.28.camel@lov.site> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1196252582.3242.28.camel@lov.site> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1586 Lines: 36 On Wed, Nov 28, 2007 at 01:23:02PM +0100, Kay Sievers wrote: > On Wed, 2007-11-28 at 12:45 +0100, Cornelia Huck wrote: > > On Tue, 27 Nov 2007 15:02:52 -0800, Greg KH wrote: > > > > A kset serves these functions: > > > > > > - It serves as a bag containing a group of objects. A kset can be used by > > > the kernel to track "all block devices" or "all PCI device drivers." > > > > > > - A kset is also a subdirectory in sysfs, where the associated kobjects > > > with the kset can show up. > > > > Perhaps better wording: > > > > A kset is also represented via a subdirectory in sysfs, under which the > > kobjects associated with the kset can show up. > > This draws a misleading picture. A member of a kset shows up where the > "parent" pointer points to. Like /sys/block is a kset, the kset contains > disks and partitions, but partitions do not live at the kset, and tons > of other kset directories where this is the case. > > "If the kobject belonging to a kset has no parent kobject set, it will > be added to the kset's directory. Not all members of a kset do > necessarily live in the kset directory. If an explicit parent kobject is > assigned before the kobject is added, the kobject is registered with the > kset, but added below the parent kobject." Nice, thanks, I've added this :) greg k-h - 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/