NFSv4.1 Use the mount point rpc_clnt for layoutreturn

Should not use the clientid maintenance rpc_clnt.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 1bf291f..c2fc5dd 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6876,7 +6876,7 @@
 		.rpc_cred = lrp->cred,
 	};
 	struct rpc_task_setup task_setup_data = {
-		.rpc_client = lrp->clp->cl_rpcclient,
+		.rpc_client = NFS_SERVER(lrp->args.inode)->client,
 		.rpc_message = &msg,
 		.callback_ops = &nfs4_layoutreturn_call_ops,
 		.callback_data = lrp,