nfs4_find_ds_client(struct nfs_client *ds_clp, rpc_authflavor_t flavor)
{
	struct nfs4_ds_server *dss;

	rcu_read_lock();
	list_for_each_entry_rcu(dss, &ds_clp->cl_ds_clients, list) {
		if (dss->rpc_clnt->cl_auth->au_flavor != flavor)
			continue;
		goto out;
	}
	dss = NULL;
out:
	rcu_read_unlock();
	return dss;
}
nfs4_find_ds_client(struct nfs_client *ds_clp, rpc_authflavor_t flavor)
{
	struct nfs4_ds_server *dss;

	rcu_read_lock();
	list_for_each_entry_rcu(dss, &ds_clp->cl_ds_clients, list) {
		if (dss->rpc_clnt->cl_auth->au_flavor != flavor)
			continue;
		goto out;
	}
	dss = NULL;
out:
	rcu_read_unlock();
	return dss;
}