From: dumas@centre-cired.fr (Patrice DUMAS - DOCT)
Subject: Re: lockd clients and server have the same rpc_clnt for each host
Date: Thu, 16 May 2002 10:30:46 +0200
Sender: nfs-admin@lists.sourceforge.net
Message-ID: <20020516103046.C28325@zeus.centre-cired.fr>
References: <20020515183511.E27252@zeus.centre-cired.fr> <shs7km5cfzq.fsf@charged.uio.no>
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In-Reply-To: <shs7km5cfzq.fsf@charged.uio.no>; from trond.myklebust@fys.uio.no on Wed, May 15, 2002 at 10:28:57PM +0200
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Hi,

> 
>      > It seems to me that the hosts structure is common to all the
>      > lockd clients and the lockd server. Is it true (because
>      > nlm_hosts is a static array) ?
> 
> The structure is common, but the entries shouldn't be.
> 
> Hmm... It looks like nlm_match_host() might want a small fix in order
> to take that into account...

;-)

To do that, there should be a way to differenciate between different clients
and the server. Have the different clients a different pid, also different from
the server (or the kernel equivalent of a pid), and how can I get that 
information ?


Also, I had another idea in order to fix it. Just keep the hosts common, but
add a chained list of clients differing by the softrtry, chatty,... to the 
host. Then change nlm_bind_host to add a support for different clients
matching. I prefer this solution because in the GRANT implementation I did,
there is a need to change the softrtry and this could interfere with other
calls from the server if there is just one client for a host.

What do you think about that ?

Pat

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