On Mon, 2013-04-29 at 13:04 -0400, Chuck Lever wrote:
> On Apr 29, 2013, at 12:21 PM, Trond Myklebust <trond.myklebust@xxxxxxxxxx> wrote:
>
> > On Mon, 2013-04-29 at 12:05 -0400, Chuck Lever wrote:
> >> On Apr 29, 2013, at 11:45 AM, "J. Bruce Fields" <bfields@xxxxxxxxxxxx> wrote:
> >>
> >>> On Mon, Apr 29, 2013 at 10:53:37AM -0400, Chuck Lever wrote:
> >>>>
> >>>> On Apr 28, 2013, at 9:24 PM, Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> >>>>
> >>>>> Hi J.,
> >>>>>
> >>>>> After merging the nfsd tree, today's linux-next build (powerpc
> >>>>> ppc64_defconfig) failed like this:
> >>>>>
> >>>>> net/sunrpc/auth_gss/svcauth_gss.c: In function 'gss_proxy_save_rsc':
> >>>>> net/sunrpc/auth_gss/svcauth_gss.c:1182:3: error: implicit declaration of function 'gss_mech_get_by_OID' [-Werror=implicit-function-declaration]
> >>>>>
> >>>>> Caused byc ommit 030d794bf498 ("SUNRPC: Use gssproxy upcall for server
> >>>>> RPCGSS authentication"). gss_mech_get_by_OID() made static to
> >>>>> net/sunrpc/auth_gss/gss_mech_switch.c by commit 9568c5e9a61d ("SUNRPC:
> >>>>> Introduce rpcauth_get_pseudoflavor()") in the nfs tree (part of the nfs
> >>>>> tree that you did not merge).
> >>>>>
> >>>>> I don't know how to fix this, so I have used the nfsd tree from
> >>>>> next-20130426 for today.
> >>>>
> >>>> Bruce, it might make sense for me to submit the three server-side RPC GSS patches, and then you can rebase the gssproxy work on top of those. Let me know how you would like to proceed.
> >>>
> >>> I'm happy to take those patches whenever you consider them ready. Would
> >>> that fix the problem?
> >>
> >> Someone would need to modify the gssproxy patches to use the new interfaces.
> >>
> >>> Also: it looks like 030d794bf498 "SUNRPC: Introduce
> >>> rpcauth_get_pseudoflavor()" is in Trond's linux-next, but not his
> >>> nfs-for-next. I'm not sure what that means--is it safe to rebase on top
> >>> of *that*?
> >>
> >> That doesn't seem right to me.
> >
> > I've now pulled the rpcsec_gss changes into the nfs-for-next. The main
> > reason why they were not pulled in earlier was due to uncertainty what
> > to do about the increase in "AUTH_GSS upcall timed out." syslog
> > warnings.
>
> Trond's nfs-for-next now has the new rpcauth_get_gssinfo() and
> rpcauth_get_pseudoflavor() APIs, which are replacements for direct
> calls into the GSS mech switch. These APIs are a little more generic,
> and more robust in the face of unloaded GSS kernel modules.
>
> Instead of gss_mech_get_by_OID(), I suspect you want
> rpcauth_get_pseudoflavor(), but I haven't looked at the gssproxy code.
The simplest way would be to make it not static again.
In my code we are using gss_mech_get_by_OID() instead of
gss_mech_get_by_name() because we have a OID passed down from gssproxy.
Simo.
--
Simo Sorce * Red Hat, Inc * New York
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