linux-kernel - RE: [PATCH] NLM program ID for user space NLM server

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Message-ID: <A6FDE6B975803043804A49F12F49028E0F59CC@hawk.exanet-il.co.il>
Date:	Thu, 10 May 2007 13:59:57 +0300
From:	"Menny Hamburger" <menny@...net.com>
To:	"Neil Brown" <neilb@...e.de>
Cc:	<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] NLM program ID for user space NLM server

Hi,

We have a our own userland NFSD and NLM service running that implement
all the NLM/NFS functionality.
We do not want to modify the way the client does his mounts.

M.

-----Original Message-----
From: Neil Brown [mailto:neilb@...e.de] 
Sent: Thursday, May 10, 2007 12:03 PM
To: Menny Hamburger
Cc: linux-kernel@...r.kernel.org
Subject: Re: [PATCH] NLM program ID for user space NLM server

On Thursday May 10, menny@...net.com wrote:
> Hi,
> 
> Since the current kernel cannot be compiled with NFS client and 
> without lockd, it is not possible to register a user space NLM server 
> Without colliding with the kernel service registered in 
> .../fs/lockd/lockd.c.

This doesn't make any sense to me at all.
You can certainly have the NFS client compiled and even running without
lockd running (if you mount with "-o nolock") and in that case you are
free you register your owner user-space NLM server (though I'm not sure
what good it would do you).

And if you want to mount an NFS filesystem without "-o nolock", then you
really need the kernel lockd running, or locking will not work.

Can you explain what you are trying to do - I'm curious.

>  
> +#ifndef
>  #define NLM_PROGRAM		100021
> +#endif

Uhm...  Do you mean

  +#ifndef NLM_PROGRAM

??  Still not sure how that helps.

NeilBrown
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