From mboxrd@z Thu Jan  1 00:00:00 1970
From: erik quanstrom <quanstro@labs.coraid.com>
Date: Fri, 28 Jun 2013 14:13:00 -0400
To: 9fans@9fans.net
Message-ID: <1169972fe516c74092dc8c2df54394b3@coraid.com>
In-Reply-To: <CACm3i_hiJkfxL8dz9Zgjo=_SvvtUwpjCv+_TLv=P9TKOXgRR9Q@mail.gmail.com>
References: <CAD_JZapYKSxYNoRNj0ns9MJ3M8KA4C-mUDoXuSX8DFZeqvYzgw@mail.gmail.com>
	<e41f14091598cdba6ee2177833fd9ca6@ladd.quanstro.net>
	<99100159-30FB-4811-87FD-7F960CA7F948@gmail.com>
	<3505d2a562248941e6bb66dbf15c7c86@ladd.quanstro.net>
	<CACm3i_hiJkfxL8dz9Zgjo=_SvvtUwpjCv+_TLv=P9TKOXgRR9Q@mail.gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="US-ASCII"
Content-Transfer-Encoding: 7bit
Subject: Re: [9fans] plan9 iso image
Topicbox-Message-UUID: 688e1a72-ead8-11e9-9d60-3106f5b1d025

> generates an iso file.  This is cdfs check for the first writable
> block of the track, which has to do with burning it.  An iso is burnt
> inside a track and is mostly independent from the details of what
> tracks exist.  Terry downloaded the iso, and tried to burn it in
> linux.  If something is wrong it would be in the iso file generated,
> which does not have to do anything with cdfs.  G.

/sys/src/cmd/disk/9660/dump9660.c:316,326
	if(mk9660){
		/*
		 * Patch in root directories.
		 */
		setroot(cd, cd->iso9660pvd, iroot.block, iroot.length);
>>		setvolsize(cd, cd->iso9660pvd, (vlong)cd->nextblock * Blocksize);
		if(cd->flags & CDjoliet){
			setroot(cd, cd->jolietsvd, jroot.block, jroot.length);
			setvolsize(cd, cd->jolietsvd,
				(vlong)cd->nextblock * Blocksize);
		}

- erik