Re: [PATCH] nfsd: don't set SVC_SOCK_ANONYMOUS when creating nfsd sockets

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On Fri, 2024-07-19 at 15:03 -0400, Chuck Lever wrote:
> On Fri, Jul 19, 2024 at 02:55:53PM -0400, Jeff Layton wrote:
> > When creating nfsd sockets via the netlink interface, we do want to
> > register with the portmapper. Don't set SVC_SOCK_ANONYMOUS.
> 
> NFSD's RDMA transports don't register with rpcbind, for example.
> 

They still aren't registered with this patch either. After doing
nfsdctl autostart:

[kdevops@kdevops-nfsd ~]$ rpcinfo -p
   program vers proto   port  service
    100000    4   tcp    111  portmapper
    100000    3   tcp    111  portmapper
    100000    2   tcp    111  portmapper
    100000    4   udp    111  portmapper
    100000    3   udp    111  portmapper
    100000    2   udp    111  portmapper
    100024    1   udp  42104  status
    100024    1   tcp  40159  status
    100003    3   udp   2049  nfs
    100227    3   udp   2049  nfs_acl
    100003    3   tcp   2049  nfs
    100003    4   tcp   2049  nfs
    100227    3   tcp   2049  nfs_acl
    100021    1   udp  46387  nlockmgr
    100021    3   udp  46387  nlockmgr
    100021    4   udp  46387  nlockmgr
    100021    1   tcp  36565  nlockmgr
    100021    3   tcp  36565  nlockmgr
    100021    4   tcp  36565  nlockmgr

I don't see a need to do anything else here.

> 
> > Fixes: 16a471177496 NFSD: add listener-{set,get} netlink command
> > Reported-by: Steve Dickson <steved@xxxxxxxxxx>
> > Cc: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
> > Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
> > ---
> >  fs/nfsd/nfsctl.c | 3 +--
> >  1 file changed, 1 insertion(+), 2 deletions(-)
> > 
> > diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
> > index 9e0ea6fc2aa3..34eb2c2cbcde 100644
> > --- a/fs/nfsd/nfsctl.c
> > +++ b/fs/nfsd/nfsctl.c
> > @@ -2069,8 +2069,7 @@ int nfsd_nl_listener_set_doit(struct sk_buff *skb, struct genl_info *info)
> >  			continue;
> >  		}
> >  
> > -		ret = svc_xprt_create_from_sa(serv, xcl_name, net, sa,
> > -					      SVC_SOCK_ANONYMOUS,
> > +		ret = svc_xprt_create_from_sa(serv, xcl_name, net, sa, 0,
> >  					      get_current_cred());
> >  		/* always save the latest error */
> >  		if (ret < 0)
> > 
> > ---
> > base-commit: 769d20028f45a4f442cfe558a32faba357a7f5e2
> > change-id: 20240719-nfsd-next-d9582a2c50c2
> > 
> > Best regards,
> > -- 
> > Jeff Layton <jlayton@xxxxxxxxxx>
> > 
> 

-- 
Jeff Layton <jlayton@xxxxxxxxxx>





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