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Date:      Sat, 27 May 1995 06:28:16 +1000
From:      Bruce Evans <bde@zeta.org.au>
To:        agl@redline.ru, freebsd-hackers@FreeBSD.org
Subject:   Re: mount "features"
Message-ID:  <199505262028.GAA12512@godzilla.zeta.org.au>

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>mount /dev/fd0 /mnt
>(on the write protected floppy) Well, getting tons of errors from the kernel,
>ok

Mount (rw) and open ([r]w) don't check for writability.  The mount succeeds
and you get errors later.

>mount -r /dev/fd0 /mnt
>/dev/fd0 on /mnt: Device busy
>:-0

The device is apparently still mounted.

>mount -r /dev/fd0.1440 /mnt
>ok :-0

In FreeBSD, you can mount multiple times at the same mount point.  Each
mount gives another layer that hides the previous layer if the default
mount options are used.  fd0.1440 is different from fd0 as far as mount
can tell, so the mount is permitted.

Bruce



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