Lines Matching refs:p_head
336 unsigned int p_head = pipe->head;
339 unsigned int p_occupancy = pipe_occupancy(p_head, p_tail);
347 if (unlikely(i_head != p_head - 1))
354 if (i_head != p_head)
361 p_head, p_tail, pipe->ring_size);
1013 unsigned int p_head = pipe->head;
1016 if (!pipe_empty(p_head, p_tail)) {
1026 while (p_head != i_head) {
1027 p_head--;
1028 pipe_buf_release(pipe, &pipe->bufs[p_head & p_mask]);
1031 pipe->head = p_head;