ST_RING_WORKER_ONLY
soft_ring_type |= ST_RING_WORKER_ONLY;
ST_RING_WORKER_ONLY;
!(ringp->s_ring_state & ST_RING_WORKER_ONLY)) {
if (ringp->s_ring_state & ST_RING_WORKER_ONLY) {
ringp->s_ring_state |= ST_RING_WORKER_ONLY;