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net: sched: remove qdisc_watchdog->last_expires

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This field mirrors hrtimer softexpires, we can instead
use the existing helpers.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20230308182648.1150762-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Eric Dumazet 2023-03-08 18:26:48 +00:00 committed by Jakub Kicinski
parent 513bdd9473
commit 62423bd2d2
2 changed files with 4 additions and 3 deletions
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1
include/net/pkt_sched.h
View File

@ -64,7 +64,6 @@ static inline psched_time_t psched_get_time(void)
}
struct qdisc_watchdog {
u64 last_expires;
struct hrtimer timer;
struct Qdisc *qdisc;
};

6
net/sched/sch_api.c
View File

@ -639,14 +639,16 @@ void qdisc_watchdog_schedule_range_ns(struct qdisc_watchdog *wd, u64 expires,
return;
if (hrtimer_is_queued(&wd->timer)) {
u64 softexpires;
softexpires = ktime_to_ns(hrtimer_get_softexpires(&wd->timer));
/* If timer is already set in [expires, expires + delta_ns],
* do not reprogram it.
*/
if (wd->last_expires - expires <= delta_ns)
if (softexpires - expires <= delta_ns)
return;
}
wd->last_expires = expires;
hrtimer_start_range_ns(&wd->timer,
ns_to_ktime(expires),
delta_ns,