Change request for mount_null manpage

[Kris Kennaway]

On Mon, May 26, 2003 at 01:50:24AM -0400, Andrew J Caines wrote:
> Marc,
> 
> > I'm using mount_null now for some months - and i never had a problem with this.
> 
> Are you using it for rw mounts and if so, then what kind or write volume
> and sizes do you handle?
> 
> Usually when this comes up, folks are using null ro mounts and the rare
> (and sometime unintentional) rw mounts do little or no writing. If anyone
> is doing significant volume or size writes, then I've not heared mention
> of it.

nullfs may well work for some r/o workloads, but it is definitely
broken for rw mounts.  If anyone is seriously interested in fixing it,
I can describe the usage pattern that causes a reliable deadlock on my
machine (I've reported it before).

Kris
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