From owner-freebsd-geom@FreeBSD.ORG  Thu Dec 30 19:34:59 2004
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To: Pawel Jakub Dawidek <pjd@FreeBSD.org>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
In-Reply-To: Your message of "Thu, 30 Dec 2004 18:38:26 +0100."
             <20041230173826.GD784@darkness.comp.waw.pl> 
Date: Thu, 30 Dec 2004 20:34:56 +0100
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cc: Dag-Erling Sm?rgrav <des@des.no>
cc: geom@FreeBSD.org
Subject: Re: GEOM_VOL panics when audio CD is present 
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In message <20041230173826.GD784@darkness.comp.waw.pl>, Pawel Jakub Dawidek wri
tes:
>
>--jCrbxBqMcLqd4mOl
>Content-Type: text/plain; charset=iso-8859-2
>Content-Disposition: inline
>Content-Transfer-Encoding: quoted-printable
>
>On Thu, Dec 30, 2004 at 05:56:06PM +0100, Dag-Erling Sm?rgrav wrote:
>+> Pawel Jakub Dawidek <pjd@FreeBSD.org> writes:
>+> > The problem exists not only in geom_vol_ffs, but also in geom_vfs, I t=
>hink.
>+>=20
>+> I'm not sure what you're referring to.  If you mean the code in
>+> geom_vfs.c, none of it is used during tasting; it is only used in
>+> situations where the file system type and the sector size of the
>+> underlying medium are already known.
>
>Code in geom_vfs.c can call g_io_request() with wrong offset/length.

Only if there are bugs in the filesystem.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.