rxrpc: Remove call->tx_phase

Remove call->tx_phase as it's only ever set.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org

net/rxrpc/ar-internal.h

@@ -678,7 +678,6 @@ struct rxrpc_call {
 	rxrpc_serial_t		rx_serial;	/* Highest serial received for this call */
 	u8			rx_winsize;	/* Size of Rx window */
 	u8			tx_winsize;	/* Maximum size of Tx window */
-	bool			tx_phase;	/* T if transmission phase, F if receive phase */
 	u8			nr_jumbo_bad;	/* Number of jumbo dups/exceeds-windows */
 
 	spinlock_t		input_lock;	/* Lock for packet input to this call */

net/rxrpc/call_object.c

@@ -206,7 +206,6 @@ static struct rxrpc_call *rxrpc_alloc_client_call(struct rxrpc_sock *rx,
 		return ERR_PTR(-ENOMEM);
 	call->state = RXRPC_CALL_CLIENT_AWAIT_CONN;
 	call->service_id = srx->srx_service;
-	call->tx_phase = true;
 	now = ktime_get_real();
 	call->acks_latest_ts = now;
 	call->cong_tstamp = now;

net/rxrpc/input.c

@@ -309,10 +309,7 @@ static bool rxrpc_receiving_reply(struct rxrpc_call *call)
 			return false;
 		}
 	}
-	if (!rxrpc_end_tx_phase(call, true, "ETD"))
-		return false;
-	call->tx_phase = false;
-	return true;
+	return rxrpc_end_tx_phase(call, true, "ETD");
 }
 
 /*

net/rxrpc/recvmsg.c

@@ -203,7 +203,6 @@ static void rxrpc_end_rx_phase(struct rxrpc_call *call, rxrpc_serial_t serial)
 		break;
 
 	case RXRPC_CALL_SERVER_RECV_REQUEST:
-		call->tx_phase = true;
 		call->state = RXRPC_CALL_SERVER_ACK_REQUEST;
 		call->expect_req_by = jiffies + MAX_JIFFY_OFFSET;
 		write_unlock_bh(&call->state_lock);