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From: "J. Bruce Fields" <bfields@fieldses.org>
To: "William A. (Andy) Adamson" <androsadamson@gmail.com>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>,
	NFS list <linux-nfs@vger.kernel.org>
Subject: Re: NFSv4.1 callback service and UDP
Date: Thu, 16 Dec 2010 12:24:47 -0500	[thread overview]
Message-ID: <20101216172447.GA20246@fieldses.org> (raw)
In-Reply-To: <AANLkTi=8YmRfJ9w_QL1WBqQZPe9HeTA+fEm2MmAa-5Ja@mail.gmail.com>

On Thu, Dec 16, 2010 at 11:19:50AM -0500, William A. (Andy) Adamson wrote:
> I note that the current NFSv4.1 back channel supports UDP. Why? Should
> we continue with UDP support?

Have you tested it?

Looks to me like in that case setup_callback_client() will pass
rpc_create() a UDP svc_xprt while requesting protocol
XPRT_TRANSPORT_BC_TCP.  Looking down through the code I'm not sure
what's going to happen.  I doubt it's good....

So, agreed, making sure we error out in the UDP case (if we don't
already) would be a good idea.

--b.

  reply	other threads:[~2010-12-16 17:24 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-12-16 16:19 NFSv4.1 callback service and UDP William A. (Andy) Adamson
2010-12-16 17:24 ` J. Bruce Fields [this message]
2010-12-17 11:21   ` J. Bruce Fields

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