POOL_E_CHANGE
if (mpa->mpa_what == POOL_E_CHANGE) {
if ((mpa->mpa_what == POOL_E_CHANGE) &&
case POOL_E_CHANGE:
pool_event_dispatch(POOL_E_CHANGE, poolid);
pool_event_dispatch(POOL_E_CHANGE, poolid);
pool_event_dispatch(POOL_E_CHANGE, src_pool);
pool_event_dispatch(POOL_E_CHANGE, dst_pool);