Re: [PATCH 10/11] NFSv4.1: Enable open-by-filehandle

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On Tue, Mar 19, 2013 at 02:45:00PM +0000, Myklebust, Trond wrote:
> On Tue, 2013-03-19 at 10:41 -0400, Trond Myklebust wrote:
> > On Tue, 2013-03-19 at 10:32 -0400, J. Bruce Fields wrote:
> > > (Sorry for the digression, I was just trying to decide whether I can get
> > > away with turning on 4.1 by default before implementing SP4_MACH_CRED or
> > > GSS on the backchannel....)
> > 
> > If you don't, could you please at least offer up a module parameter that
> > allows me to do that? The current thing is a PITA, since it isn't
> > supported by any distro scripts, and it requires you to switch off the
> > server in order to change the version pseudofile contents.
> > 
> BTW: you may recall that SPKM3 and UTF-8 support was mandatory in
> RFC3530,

Yes.

> as was RPCSEC_GSS support on the back channel.

I don't agree there--maybe the spec says it's mandatory, I don't
remember, but in practice 4.0 degrades gracefully without callbacks.  In
the 4.1 case the create_session's just going to fail with an unspecified
error.

> That didn't stop anybody from shipping clients and servers that didn't
> support them...

Yeah, I may just resign myself to erroring out in some more cases.

--b.
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