Re: kern/48808: Enhance mount_cd9660 by option -s like in other BSDs

[Martin Husemann <martin%duskware.de@localhost>]

The following reply was made to PR kern/48808; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
        netbsd-bugs%netbsd.org@localhost
Subject: Re: kern/48808: Enhance mount_cd9660 by option -s like in other BSDs
Date: Wed, 14 May 2014 10:45:52 +0200

 On Wed, May 14, 2014 at 08:35:00AM +0000, scdbackup%gmx.net@localhost wrote:
 > If -s is enabled and gets used with a non-zero value, then
 > mount_cd9660 will check after successful mounting, whether the kernel
 > seems to have expected the old struct iso_args and thus must have
 > ignored ISOFSMNT_SSECTOR and iso_args.ssector.
 > It will then unmount(2) the freshly but wrongly mounted ISO.
 
 Forward binary compat like this is not needed - a new mount_cd9660 binary
 can expect a new kernel always.
 
 Martin