1463 	u16 clear_tail = req->clear_tail;  in hfi1_kern_exp_rcv_setup()  local
1472 	if (!CIRC_SPACE(req->setup_head, clear_tail, MAX_FLOWS) ||  in hfi1_kern_exp_rcv_setup()
1473 	    CIRC_CNT(req->setup_head, clear_tail, MAX_FLOWS) >=  in hfi1_kern_exp_rcv_setup()
1549 	struct tid_rdma_flow *flow = &req->flows[req->clear_tail];  in hfi1_kern_exp_rcv_clear()
1557 	if (!CIRC_CNT(req->setup_head, req->clear_tail, MAX_FLOWS))  in hfi1_kern_exp_rcv_clear()
1573 	req->clear_tail = (req->clear_tail + 1) & (MAX_FLOWS - 1);  in hfi1_kern_exp_rcv_clear()
1593 	while (CIRC_CNT(req->setup_head, req->clear_tail, MAX_FLOWS)) {  in hfi1_kern_exp_rcv_clear_all()
1681 	tail = req->clear_tail;  in find_flow_ib()
1929 	req->clear_tail = req->setup_head;  in tid_rdma_rcv_read_request()
2111 		if (req->clear_tail == req->setup_head)  in tid_rdma_rcv_error()
2119 		if (CIRC_CNT(req->flow_idx, req->clear_tail, MAX_FLOWS)) {  in tid_rdma_rcv_error()
2120 			fstate = &req->flows[req->clear_tail].flow_state;  in tid_rdma_rcv_error()
2122 				CIRC_CNT(req->flow_idx, req->clear_tail,  in tid_rdma_rcv_error()
2125 				CIRC_ADD(req->clear_tail,  in tid_rdma_rcv_error()
2167 					 req->clear_tail,  in tid_rdma_rcv_error()
2169 			req->flow_idx = req->clear_tail;  in tid_rdma_rcv_error()
2344 	struct tid_rdma_flow *flow = &req->flows[req->clear_tail];  in hfi1_build_tid_rdma_read_resp()
2359 	trace_hfi1_tid_flow_build_read_resp(qp, req->clear_tail, flow);  in hfi1_build_tid_rdma_read_resp()
2391 		req->clear_tail = (req->clear_tail + 1) &  in hfi1_build_tid_rdma_read_resp()
2467 	flow = &req->flows[req->clear_tail];  in hfi1_rc_rcv_tid_rdma_read_resp()
2524 	trace_hfi1_tid_flow_rcv_read_resp(qp, req->clear_tail, flow);  in hfi1_rc_rcv_tid_rdma_read_resp()
2631 	flow = &req->flows[req->clear_tail];  in restart_tid_rdma_read_req()
2749 			flow = &req->flows[req->clear_tail];  in handle_read_kdeth_eflags()
2751 							      req->clear_tail,  in handle_read_kdeth_eflags()
2937 	flow = &req->flows[req->clear_tail];  in hfi1_handle_kdeth_eflags()
2943 	trace_hfi1_tid_flow_handle_kdeth_eflags(qp, req->clear_tail, flow);  in hfi1_handle_kdeth_eflags()
3120 		req->clear_tail = fidx;  in hfi1_tid_rdma_restart_req()
3149 			req->clear_tail = fidx;  in hfi1_tid_rdma_restart_req()
3729 	    (req->setup_head != req->clear_tail ||  in hfi1_rc_rcv_tid_rdma_write_req()
3730 	     req->clear_tail != req->acked_tail))  in hfi1_rc_rcv_tid_rdma_write_req()
3759 	req->clear_tail = req->setup_head;  in hfi1_rc_rcv_tid_rdma_write_req()
4197 	struct tid_rdma_flow *flow = &req->flows[req->clear_tail];  in hfi1_build_tid_rdma_packet()
4218 	trace_hfi1_tid_flow_build_write_data(qp, req->clear_tail, flow);  in hfi1_build_tid_rdma_packet()
4282 	flow = &req->flows[req->clear_tail];  in hfi1_rc_rcv_tid_rdma_write_data()
4918 			for (flow_idx = req->clear_tail;  in hfi1_rc_rcv_tid_rdma_resync()
5093 			req->clear_tail = CIRC_NEXT(req->clear_tail,  in hfi1_make_tid_rdma_pkt()
5096 				if (!CIRC_CNT(req->setup_head, req->clear_tail,  in hfi1_make_tid_rdma_pkt()
5229 			CIRC_CNT(req->clear_tail, req->acked_tail,  in make_tid_rdma_ack()
5232 		req->acked_tail = req->clear_tail;  in make_tid_rdma_ack()