From owner-cvs-all  Fri Jun 22  3:13:39 2001
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To: Matt Dillon <dillon@earth.backplane.com>
Cc: Poul-Henning Kamp <phk@critter.freebsd.dk>,
	cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject: Re: cvs commit: src/sbin/mount_nfs mount_nfs.8 
In-Reply-To: Your message of "Fri, 22 Jun 2001 00:34:42 PDT."
             <200106220734.f5M7YgU41786@earth.backplane.com> 
Date: Fri, 22 Jun 2001 11:13:31 +0100
From: Ian Dowse <iedowse@maths.tcd.ie>
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In message <200106220734.f5M7YgU41786@earth.backplane.com>, Matt Dillon writes:
>:Well, are there any reasons _not_ to remove it ?
>
>    There are a few people using it, but I don't know to what degree.
>    It shouldn't be removed gratuitously.

I suspect many of these people read the line

	Use the leasing extensions to the NFS Version 3 protocol to main-
	tain cache consistency.

and decided that NQNFS was a useful extension to NFSv3 when in fact
it is a different protocol that is based on v2.

I think NQNFS might offer a stronger cache coherency than is provided
by NFSv3 - I'm not sure of the details, but I guess it's possible
that people are also using it for this reason. 

Ian

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