From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from cthulhu.engr.sgi.com (cthulhu.engr.sgi.com [192.26.80.2]) by neteng.engr.sgi.com (980427.SGI.8.8.8/970903.SGI.AUTOCF) via ESMTP id KAA85695 for ; Sat, 2 Jan 1999 10:34:46 -0800 (PST) Return-Path: Received: (from majordomo-owner@localhost) by cthulhu.engr.sgi.com (980427.SGI.8.8.8/970903.SGI.AUTOCF) id KAA99549 for linux-list; Sat, 2 Jan 1999 10:34:05 -0800 (PST) mail_from (owner-linux@relay.engr.sgi.com) Received: from sgi.sgi.com (sgi.engr.sgi.com [192.26.80.37]) by cthulhu.engr.sgi.com (980427.SGI.8.8.8/970903.SGI.AUTOCF) via ESMTP id KAA07986 for ; Sat, 2 Jan 1999 10:34:03 -0800 (PST) mail_from (shaver@netscape.com) Received: from netscape.com (h-205-217-237-47.netscape.com [205.217.237.47]) by sgi.sgi.com (980327.SGI.8.8.8-aspam/980304.SGI-aspam: SGI does not authorize the use of its proprietary systems or networks for unsolicited or bulk email from the Internet.) via ESMTP id KAA09849 for ; Sat, 2 Jan 1999 10:34:03 -0800 (PST) mail_from (shaver@netscape.com) Received: from tintin.mcom.com (tintin.mcom.com [205.217.233.42]) by netscape.com (8.8.5/8.8.5) with ESMTP id KAA02234 for ; Sat, 2 Jan 1999 10:33:51 -0800 (PST) Received: from netscape.com ([205.217.243.67]) by tintin.mcom.com (Netscape Messaging Server 4.0) with ESMTP id F4Y3KG00.VDN for ; Sat, 2 Jan 1999 10:33:52 -0800 Message-ID: <368E66DC.15C986F2@netscape.com> Date: Sat, 02 Jan 1999 13:35:08 -0500 From: Mike Shaver Organization: Just Another Snake Cult X-Mailer: Mozilla 4.51 [en] (X11; I; Linux 2.1.131 i686) X-Accept-Language: en MIME-Version: 1.0 To: linux@cthulhu.engr.sgi.com Subject: EFS volume descriptors Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-linux@cthulhu.engr.sgi.com Precedence: bulk On an EFS CDROM, there's a volume descriptor at block 0. On an EFS partition, there's a superblock at block 1. I'd like my all-new code to handle both cases, so I'm wondering what's at block 0 of an EFS partition. Is it something that I can reliably check to see if I'm mounting a partition or CD? Mike -- 7734.79 7103.32