Lines Matching defs:ring_head
130 unsigned int ring_head;
289 __func__, dev->ring_head, dev->ring_tail);
291 next_ring_head = (dev->ring_head + 1) % ring_buffer_size;
294 memcpy(&((*dev->ring_buffer)[dev->ring_head]),
296 dev->ring_head = next_ring_head;
383 dev->ring_head = 0;
481 if (dev->ring_head != dev->ring_tail)
526 while (dev->ring_head == dev->ring_tail) {
555 while ((c < count) && (dev->ring_tail != dev->ring_head)) {
561 while (dev->ring_head != next_tail && cancompress == 1) {
639 __func__, dev->ring_head, dev->ring_tail);
651 __func__, dev->ring_head, dev->ring_tail);