linux-kernel - Re: Error mounting FC8 NFS server with 2.6.31-rc3 NFSv4 client.

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Message-Id: <1248299236.9202.3.camel@heimdal.trondhjem.org>
Date:	Wed, 22 Jul 2009 17:47:16 -0400
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Andy Adamson <andros@...app.com>
Cc:	Ben Greear <greearb@...delatech.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-nfs@...r.kernel.org
Subject: Re: Error mounting FC8 NFS server with 2.6.31-rc3 NFSv4 client.

On Wed, 2009-07-22 at 17:32 -0400, Andy Adamson wrote:
> nfs4_init_session should simply return if the nfs_client cl_cons_state  
> is not NFS_CS_SESSION_INITING.
> I shouldn't be trying to set the session max_resp_sz/max_rqst_sz to  
> the rsize/wsize, but rather to the maximum rsize/wsize supported by  
> the client.
> If the server accepts or increases the max_resp_sz/max_rqst_sz then  
> all is well.
> If the server reduces the max_resp_sz/max_rqst_sz, the maximum rsize/ 
> wsize available for NFSv4.1 partition mounts to the server needs to be  
> reduced accordingly. So the nfs_server rsize/wsize needs to be bound  
> by the session max_resp_sz/max_rqst_sz as well as by the maximum  
> supported size.

Well.... The rsize/wsize is one thing, but how about acls? We simply
don't know how big they may become.

An alternative would be to let the server choose the
max_rqst_sz/max_resp_sz by always requesting the maximum allowed value.

Trond

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