On Thu, 10 Aug 1995, Trevor Blackwell wrote:

> 
> > I would have expected that trying to mount something on a directory
> > already in use as a mount point would have given an error.  It doesn't
> > on either 1.0/i386 or -current/i386.
> 
> This is a 4.4 feature -- stackable mounts. There was a paper about it
> in the Winter 1995 Usenix.
> 
> It's annoying, though, when I edit fstab and do mount -a, in which
> case it remounts multiple instances of some of the file systems. It
> perhaps should avoid mounting the _same_ file system twice on the same
> mount point.
> 
	mount -a has been modified to not do this anymore.
	mount -A now performs the old (quirky) behaviour :)

		abs

 D.K.Brownlee@city.ac.uk (MIME) +44 171 477 8186  {post,host}master  (abs)
Network Analyst, UCS, City University, Northampton Square, London EC1V 0HB.
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