Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751089AbWBJOpm (ORCPT ); Fri, 10 Feb 2006 09:45:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751264AbWBJOpm (ORCPT ); Fri, 10 Feb 2006 09:45:42 -0500 Received: from zcars04f.nortelnetworks.com ([47.129.242.57]:44031 "EHLO zcars04f.nortel.com") by vger.kernel.org with ESMTP id S1751089AbWBJOpl (ORCPT ); Fri, 10 Feb 2006 09:45:41 -0500 Message-ID: <43ECA70C.8050906@nortel.com> Date: Fri, 10 Feb 2006 08:45:32 -0600 From: "Christopher Friesen" User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.6) Gecko/20040115 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Joerg Schilling CC: tytso@mit.edu, peter.read@gmail.com, mj@ucw.cz, matthias.andree@gmx.de, linux-kernel@vger.kernel.org, jim@why.dont.jablowme.net, jengelh@linux01.gwdg.de Subject: Re: CD writing in future Linux (stirring up a hornets' nest) References: <43EB7BBA.nailIFG412CGY@burner> <43EC71FB.nailISD31LRCB@burner> <20060210114721.GB20093@merlin.emma.line.org> <43EC887B.nailISDGC9CP5@burner> <43EC8E18.nailISDJTQDBG@burner> <43EC93A2.nailJEB1AMIE6@burner> <20060210141651.GB18707@thunk.org> <43ECA3FC.nailJGC110XNX@burner> In-Reply-To: <43ECA3FC.nailJGC110XNX@burner> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 10 Feb 2006 14:45:34.0403 (UTC) FILETIME=[A601B930:01C62E50] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 928 Lines: 27 Joerg Schilling wrote: > "Theodore Ts'o" wrote: >>Can you please list the POSIX standard, section, and line number which >>states that a particular device must always have the same st_rdev >>across reboots, and hot plugs/unplugs? > > > A particular file on the system must not change st_dev while the system > is running. > > http://www.opengroup.org/onlinepubs/009695399/basedefs/sys/stat.h.html I don't actually see that requirement listed there. It says that st_dev must be unique, and that all files are uniquely identified by st_ino and st_dev. There's nothing there that says the mapping cannot change with time...just that it has to be unique. Chris - 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/