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Date: Sun, 31 Dec 2006 11:45:10 -0800
From: Tim Kientzle <kientzle@freebsd.org>
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To: Robert Watson <rwatson@freebsd.org>
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Cc: freebsd-hackers@freebsd.org, Oliver Fromme <olli@lurza.secnetix.de>
Subject: Re: Init.c, making it chroot
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Robert Watson wrote:
> ... It used to be that only certain file systems could be used as a 
> root file system, because only they knew how to bypass the lookup 
> procedure to find their device node, short-circuiting to the in-kernel 
> device list.

So why are the MD_ROOT and NFS_ROOT options still around?
It sounds like there must still be something special about
root-capable file systems.

Tim Kientzle