1470 	u16 clear_tail = req->clear_tail;  in hfi1_kern_exp_rcv_setup()  local
1479 	if (!CIRC_SPACE(req->setup_head, clear_tail, MAX_FLOWS) ||  in hfi1_kern_exp_rcv_setup()
1480 	    CIRC_CNT(req->setup_head, clear_tail, MAX_FLOWS) >=  in hfi1_kern_exp_rcv_setup()
1556 	struct tid_rdma_flow *flow = &req->flows[req->clear_tail];  in hfi1_kern_exp_rcv_clear()
1564 	if (!CIRC_CNT(req->setup_head, req->clear_tail, MAX_FLOWS))  in hfi1_kern_exp_rcv_clear()
1580 	req->clear_tail = (req->clear_tail + 1) & (MAX_FLOWS - 1);  in hfi1_kern_exp_rcv_clear()
1600 	while (CIRC_CNT(req->setup_head, req->clear_tail, MAX_FLOWS)) {  in hfi1_kern_exp_rcv_clear_all()
1688 	tail = req->clear_tail;  in find_flow_ib()
1936 	req->clear_tail = req->setup_head;  in tid_rdma_rcv_read_request()
2118 		if (req->clear_tail == req->setup_head)  in tid_rdma_rcv_error()
2126 		if (CIRC_CNT(req->flow_idx, req->clear_tail, MAX_FLOWS)) {  in tid_rdma_rcv_error()
2127 			fstate = &req->flows[req->clear_tail].flow_state;  in tid_rdma_rcv_error()
2129 				CIRC_CNT(req->flow_idx, req->clear_tail,  in tid_rdma_rcv_error()
2132 				CIRC_ADD(req->clear_tail,  in tid_rdma_rcv_error()
2174 					 req->clear_tail,  in tid_rdma_rcv_error()
2176 			req->flow_idx = req->clear_tail;  in tid_rdma_rcv_error()
2351 	struct tid_rdma_flow *flow = &req->flows[req->clear_tail];  in hfi1_build_tid_rdma_read_resp()
2366 	trace_hfi1_tid_flow_build_read_resp(qp, req->clear_tail, flow);  in hfi1_build_tid_rdma_read_resp()
2398 		req->clear_tail = (req->clear_tail + 1) &  in hfi1_build_tid_rdma_read_resp()
2474 	flow = &req->flows[req->clear_tail];  in hfi1_rc_rcv_tid_rdma_read_resp()
2531 	trace_hfi1_tid_flow_rcv_read_resp(qp, req->clear_tail, flow);  in hfi1_rc_rcv_tid_rdma_read_resp()
2638 	flow = &req->flows[req->clear_tail];  in restart_tid_rdma_read_req()
2756 			flow = &req->flows[req->clear_tail];  in handle_read_kdeth_eflags()
2758 							      req->clear_tail,  in handle_read_kdeth_eflags()
2945 	flow = &req->flows[req->clear_tail];  in hfi1_handle_kdeth_eflags()
2951 	trace_hfi1_tid_flow_handle_kdeth_eflags(qp, req->clear_tail, flow);  in hfi1_handle_kdeth_eflags()
3129 		req->clear_tail = fidx;  in hfi1_tid_rdma_restart_req()
3158 			req->clear_tail = fidx;  in hfi1_tid_rdma_restart_req()
3742 	    (req->setup_head != req->clear_tail ||  in hfi1_rc_rcv_tid_rdma_write_req()
3743 	     req->clear_tail != req->acked_tail))  in hfi1_rc_rcv_tid_rdma_write_req()
3772 	req->clear_tail = req->setup_head;  in hfi1_rc_rcv_tid_rdma_write_req()
4210 	struct tid_rdma_flow *flow = &req->flows[req->clear_tail];  in hfi1_build_tid_rdma_packet()
4231 	trace_hfi1_tid_flow_build_write_data(qp, req->clear_tail, flow);  in hfi1_build_tid_rdma_packet()
4295 	flow = &req->flows[req->clear_tail];  in hfi1_rc_rcv_tid_rdma_write_data()
4940 			for (flow_idx = req->clear_tail;  in hfi1_rc_rcv_tid_rdma_resync()
5115 			req->clear_tail = CIRC_NEXT(req->clear_tail,  in hfi1_make_tid_rdma_pkt()
5118 				if (!CIRC_CNT(req->setup_head, req->clear_tail,  in hfi1_make_tid_rdma_pkt()
5251 			CIRC_CNT(req->clear_tail, req->acked_tail,  in make_tid_rdma_ack()
5254 		req->acked_tail = req->clear_tail;  in make_tid_rdma_ack()