Lines Matching refs:clearto

117 	ring->clearto = 0;
189 	if (ring->consume < ring->clearto &&
190 	    ring->clearto <= ring->consume + count)
191 		ring->clearto = 0;
193 	    ring->bottom <= ring->clearto &&
195 		ring->clearto = 0;
338 	if (ring_empty(ring) || ring->clearto == ring->supply)
341 	if ((c = ring->clearto) == NULL)
352 	ring->clearto = ring->supply;
360 	ring->clearto = ring->supply;
362 	ring->clearto = 0;