rhashtable_lookup_get_insert_key
*prev = rhashtable_lookup_get_insert_key(&fqdir->rhashtable, &q->key,
prev = rhashtable_lookup_get_insert_key(&priv->ht, &arg, &he->node,
prev = rhashtable_lookup_get_insert_key(&priv->ht, &arg, &he->node,
prev = rhashtable_lookup_get_insert_key(&xfrm_policy_inexact_table,