space_map_free_obj
space_map_free_obj(mos, sls->sls_sm_obj, tx);
space_map_free_obj(sm->sm_os, space_map_object(sm), tx);
void space_map_free_obj(objset_t *os, uint64_t smobj, dmu_tx_t *tx);
space_map_free_obj(mos, smobj, tx);
space_map_free_obj(mos, scip->scip_prev_obsolete_sm_object, tx);