SUNRPC: Introduce transport switch callout for pluggable rpcbind

Introduce a clean transport switch API for plugging in different types of
rpcbind mechanisms.  For instance, rpcbind can cleanly replace the
existing portmapper client, or a transport can choose to implement RPC
binding any way it likes.

Test plan:
Destructive testing (unplugging the network temporarily).  Connectathon
with UDP and TCP.  NFSv2/3 and NFSv4 mounting should be carefully checked.
Probably need to rig a server where certain services aren't running, or
that returns an error for some typical operation.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index 00e9dbaec9c5..2e68ac0aa022 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -106,7 +106,7 @@ struct rpc_clnt *rpc_clone_client(struct rpc_clnt *);
 int             rpc_shutdown_client(struct rpc_clnt *);
 int             rpc_destroy_client(struct rpc_clnt *);
 void            rpc_release_client(struct rpc_clnt *);
-void            rpc_getport(struct rpc_task *, struct rpc_clnt *);
+void            rpc_getport(struct rpc_task *);
 int             rpc_register(u32, u32, int, unsigned short, int *);
 
 void            rpc_call_setup(struct rpc_task *, struct rpc_message *, int);