leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

rxrpc: Don't bother generating maxSkew in the ACK packet

Browse Source 
Don't bother generating maxSkew in the ACK packet as it has been obsolete
since AFS 3.1.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeffrey Altman <jaltman@auristor.com>
This commit is contained in:
David Howells
2019-08-09 15:20:41 +01:00
parent 730c5fd42c
commit e8c3af6bb3
6 changed files with 28 additions and 44 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
net/rxrpc/call_event.c
View File

@@ -43,8 +43,7 @@ static void rxrpc_propose_ping(struct rxrpc_call *call,
* propose an ACK be sent
*/
static void __rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason,
u16 skew, u32 serial, bool immediate,
bool background,
u32 serial, bool immediate, bool background,
enum rxrpc_propose_ack_trace why)
{
enum rxrpc_propose_ack_outcome outcome = rxrpc_propose_ack_use;
@@ -69,14 +68,12 @@ static void __rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason,
if (RXRPC_ACK_UPDATEABLE & (1 << ack_reason)) {
outcome = rxrpc_propose_ack_update;
call->ackr_serial = serial;
call->ackr_skew = skew;
}
if (!immediate)
goto trace;
} else if (prior > rxrpc_ack_priority[call->ackr_reason]) {
call->ackr_reason = ack_reason;
call->ackr_serial = serial;
call->ackr_skew = skew;
} else {
outcome = rxrpc_propose_ack_subsume;
}
@@ -137,11 +134,11 @@ trace:
* propose an ACK be sent, locking the call structure
*/
void rxrpc_propose_ACK(struct rxrpc_call *call, u8 ack_reason,
u16 skew, u32 serial, bool immediate, bool background,
u32 serial, bool immediate, bool background,
enum rxrpc_propose_ack_trace why)
{
spin_lock_bh(&call->lock);
__rxrpc_propose_ACK(call, ack_reason, skew, serial,
__rxrpc_propose_ACK(call, ack_reason, serial,
immediate, background, why);
spin_unlock_bh(&call->lock);
}
@@ -239,7 +236,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)
ack_ts = ktime_sub(now, call->acks_latest_ts);
if (ktime_to_ns(ack_ts) < call->peer->rtt)
goto out;
rxrpc_propose_ACK(call, RXRPC_ACK_PING, 0, 0, true, false,
rxrpc_propose_ACK(call, RXRPC_ACK_PING, 0, true, false,
rxrpc_propose_ack_ping_for_lost_ack);
rxrpc_send_ack_packet(call, true, NULL);
goto out;
@@ -372,7 +369,7 @@ recheck_state:
if (time_after_eq(now, t)) {
trace_rxrpc_timer(call, rxrpc_timer_exp_keepalive, now);
cmpxchg(&call->keepalive_at, t, now + MAX_JIFFY_OFFSET);
rxrpc_propose_ACK(call, RXRPC_ACK_PING, 0, 0, true, true,
rxrpc_propose_ACK(call, RXRPC_ACK_PING, 0, true, true,
rxrpc_propose_ack_ping_for_keepalive);
set_bit(RXRPC_CALL_EV_PING, &call->events);
}
@@ -407,7 +404,7 @@ recheck_state:
send_ack = NULL;
if (test_and_clear_bit(RXRPC_CALL_EV_ACK_LOST, &call->events)) {
call->acks_lost_top = call->tx_top;
rxrpc_propose_ACK(call, RXRPC_ACK_PING, 0, 0, true, false,
rxrpc_propose_ACK(call, RXRPC_ACK_PING, 0, true, false,
rxrpc_propose_ack_ping_for_lost_ack);
send_ack = &call->acks_lost_ping;
}