From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 14 Sep 2001 21:45:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 14 Sep 2001 21:45:13 -0400 Received: from neon-gw-l3.transmeta.com ([63.209.4.196]:3090 "EHLO neon-gw.transmeta.com") by vger.kernel.org with ESMTP id ; Fri, 14 Sep 2001 21:45:02 -0400 Message-ID: <3BA2B2A8.2010402@zytor.com> Date: Fri, 14 Sep 2001 18:45:12 -0700 From: "H. Peter Anvin" Organization: Zytor Communications User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.3) Gecko/20010801 X-Accept-Language: en, sv MIME-Version: 1.0 To: Alan Cox CC: linux-kernel@vger.kernel.org Subject: Re: ISOFS corrupt filesizes In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Alan Cox wrote: >>1 GB comes from the fact that some old CD's actually put garbage in >>the upper byte of the file size, so the test triggers if the size is >>larger than any CD can be. Unfortunately, DVDs are a lot bigger than >>CDs and that assumption is no longer correct. >> > > DVD is supposed to be using 1Gb files. I don't think its a > big issue as we support UDF too > Well, it's not all about DVDs used for video. I think there are legitimate reasons to have very large files on a DVD-ROM, and they're likely to be encoded in iso9660 format (for maximum compatibility) as long as we don't have individual files > 4 GB. -hpa