From: "J. Bruce Fields" <bfields@fieldses.org>
Subject: Re: [RFC PATCH 0/1] nfsd: Improve NFS server performance
Date: Mon, 9 Feb 2009 16:04:27 -0500
Message-ID: <20090209210427.GJ13636@fieldses.org>
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Cc: Krishna Kumar2 <krkumar2@in.ibm.com>, linux-nfs@vger.kernel.org
To: Chuck Lever <chuck.lever@oracle.com>
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On Mon, Feb 09, 2009 at 03:56:16PM -0500, Chuck Lever wrote:
> On Feb 9, 2009, at 2:06 PM, J. Bruce Fields wrote:
>>
>> No.  People have talked about doing that, but it hasn't happened.
>
> It should be noted that mountd's UMNT and UMNT_ALL requests (used by  
> NFSv2/v3) are advisory, and that our NFSv4 client doesn't contact the  
> server at unmount time.

We're not talking about a client unmounting a server, but about a server
unmounting an exported filesystem.

--b.