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rxrpc: Keep the call timeouts as ktimes rather than jiffies

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Keep that call timeouts as ktimes rather than jiffies so that they can be
expressed as functions of RTT.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2016-09-26 22:12:49 +01:00
parent c31410ea00
commit df0adc788a
8 changed files with 82 additions and 74 deletions
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16
net/rxrpc/call_object.c
View file

@ -19,11 +19,6 @@
#include <net/af_rxrpc.h>
#include "ar-internal.h"
/*
* Maximum lifetime of a call (in jiffies).
*/
unsigned int rxrpc_max_call_lifetime = 60 * HZ;
const char *const rxrpc_call_states[NR__RXRPC_CALL_STATES] = {
[RXRPC_CALL_UNINITIALISED] = "Uninit ",
[RXRPC_CALL_CLIENT_AWAIT_CONN] = "ClWtConn",
@ -77,7 +72,8 @@ static void rxrpc_call_timer_expired(unsigned long _call)
_enter("%d", call->debug_id);
if (call->state < RXRPC_CALL_COMPLETE) {
trace_rxrpc_timer(call, rxrpc_timer_expired, jiffies);
trace_rxrpc_timer(call, rxrpc_timer_expired,
ktime_get_real(), jiffies);
rxrpc_queue_call(call);
}
}
@ -207,14 +203,14 @@ static struct rxrpc_call *rxrpc_alloc_client_call(struct sockaddr_rxrpc *srx,
*/
static void rxrpc_start_call_timer(struct rxrpc_call *call)
{
unsigned long expire_at;
ktime_t now = ktime_get_real(), expire_at;
expire_at = jiffies + rxrpc_max_call_lifetime;
expire_at = ktime_add_ms(now, rxrpc_max_call_lifetime);
call->expire_at = expire_at;
call->ack_at = expire_at;
call->resend_at = expire_at;
call->timer.expires = expire_at + 1;
rxrpc_set_timer(call, rxrpc_timer_begin);
call->timer.expires = jiffies + LONG_MAX / 2;
rxrpc_set_timer(call, rxrpc_timer_begin, now);
}
/*