Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759296AbXFPBlT (ORCPT ); Fri, 15 Jun 2007 21:41:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757689AbXFPBlH (ORCPT ); Fri, 15 Jun 2007 21:41:07 -0400 Received: from mail4.sea5.speakeasy.net ([69.17.117.6]:55041 "EHLO mail4.sea5.speakeasy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757360AbXFPBlG (ORCPT ); Fri, 15 Jun 2007 21:41:06 -0400 Date: Fri, 15 Jun 2007 21:41:01 -0400 (EDT) From: James Morris X-X-Sender: jmorris@localhost.localdomain To: david@lang.hm cc: Greg KH , Crispin Cowan , Pavel Machek , Andreas Gruenbacher , Stephen Smalley , jjohansen@suse.de, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [AppArmor 39/45] AppArmor: Profile loading and manipulation, pathname matching In-Reply-To: Message-ID: References: <20070514110607.549397248@suse.de> <200706090003.57722.agruen@suse.de> <20070609001703.GA17644@kroah.com> <466C303E.5010304@novell.com> <20070615165054.GA11345@kroah.com> <20070615200623.GA2616@elf.ucw.cz> <20070615211157.GB7337@kroah.com> <46732124.80509@novell.com> <20070615234925.GB15056@kroah.com> 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 Content-Length: 764 Lines: 24 On Fri, 15 Jun 2007, david@lang.hm wrote: > on the contrary, useing 'mv' is by far the cleanest way to do this. > > mv htdocs htdocs.old;mv htdocs.new htdocs > > this makes two atomic changes to the filesystem, but can generate thousands to > millions of permission changes as a result. OTOH, you've performed your labeling up front, and don't have to effectively relabel each file each time on each access, which is what you're really doing with pathname labeling. - James -- James Morris - 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/