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Re: [nfsv4] draft-haynes-nfsv4-versioning-01

Benny Halevy <bhalevy@primarydata.com> Thu, 23 October 2014 06:18 UTC

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From: Benny Halevy <bhalevy@primarydata.com>
Date: Thu, 23 Oct 2014 09:18:26 +0300
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To: Tom Haynes <thomas.haynes@primarydata.com>
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Subject: Re: [nfsv4] draft-haynes-nfsv4-versioning-01
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On Thu, Oct 23, 2014 at 7:08 AM, Tom Haynes
<thomas.haynes@primarydata.com> wrote:
>
> So this looks good to go with only two open items for me:
>
> 1) Are new operations assigned by IANA or by publishing a draft?
>
> Actually Christoph’s observation, but there seems to be controversy here. :-)
>
> 2) With respect to callbacks:
>
>    o  New callbacks will only be sent to clients that have used the new
>       features associated with them, allowing existing clients to be
>       unaware of their existence.
>
> What if the new feature is only implemented with callbacks?
>
> I.e., clients have to be able to respond with not supported as well.

Why wouldn't they be able to respond with "not supported"?
Even today some callbacks are (feature) optional, e.g. CB_NOTIFY_DEVICEID

Benny


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