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| author |   David Howells <dhowells@redhat.com> | 2017-11-24 10:18:41 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2017-11-24 10:18:41 +0000 |
| commit | 3136ef49a14ccc148becf813074e08fc92fc9b23 (patch) | |
| tree | 0c451ba91732eaf41e1c86e64e7f92b1faf8647f /net/rxrpc/recvmsg.c | |
| parent | rxrpc: Provide a different lockdep key for call->user_mutex for kernel calls (diff) | |
| download | linux-dev-3136ef49a14ccc148becf813074e08fc92fc9b23.tar.xz linux-dev-3136ef49a14ccc148becf813074e08fc92fc9b23.zip | |
rxrpc: Delay terminal ACK transmission on a client call
Delay terminal ACK transmission on a client call by deferring it to the
connection processor. This allows it to be skipped if we can send the next
call instead, the first DATA packet of which will implicitly ack this call.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | net/rxrpc/recvmsg.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c index 8510a98b87e1..be0b9ae13893 100644 --- a/net/rxrpc/recvmsg.c +++ b/net/rxrpc/recvmsg.c @@ -144,11 +144,13 @@ static void rxrpc_end_rx_phase(struct rxrpc_call *call, rxrpc_serial_t serial) trace_rxrpc_receive(call, rxrpc_receive_end, 0, call->rx_top); ASSERTCMP(call->rx_hard_ack, ==, call->rx_top); +#if 0 // TODO: May want to transmit final ACK under some circumstances anyway if (call->state == RXRPC_CALL_CLIENT_RECV_REPLY) { rxrpc_propose_ACK(call, RXRPC_ACK_IDLE, 0, serial, true, false, rxrpc_propose_ack_terminal_ack); rxrpc_send_ack_packet(call, false); } +#endif write_lock_bh(&call->state_lock); |