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-rw-r--r--fs/bcachefs/clock.c65
1 files changed, 29 insertions, 36 deletions
diff --git a/fs/bcachefs/clock.c b/fs/bcachefs/clock.c
index 0f40b585ce2b..df3763c18c0e 100644
--- a/fs/bcachefs/clock.c
+++ b/fs/bcachefs/clock.c
@@ -15,18 +15,15 @@ static inline long io_timer_cmp(io_timer_heap *h,
void bch2_io_timer_add(struct io_clock *clock, struct io_timer *timer)
{
- size_t i;
-
spin_lock(&clock->timer_lock);
- if (time_after_eq((unsigned long) atomic64_read(&clock->now),
- timer->expire)) {
+ if (time_after_eq64((u64) atomic64_read(&clock->now), timer->expire)) {
spin_unlock(&clock->timer_lock);
timer->fn(timer);
return;
}
- for (i = 0; i < clock->timers.used; i++)
+ for (size_t i = 0; i < clock->timers.used; i++)
if (clock->timers.data[i] == timer)
goto out;
@@ -37,11 +34,9 @@ out:
void bch2_io_timer_del(struct io_clock *clock, struct io_timer *timer)
{
- size_t i;
-
spin_lock(&clock->timer_lock);
- for (i = 0; i < clock->timers.used; i++)
+ for (size_t i = 0; i < clock->timers.used; i++)
if (clock->timers.data[i] == timer) {
heap_del(&clock->timers, i, io_timer_cmp, NULL);
break;
@@ -75,33 +70,31 @@ static void io_clock_cpu_timeout(struct timer_list *timer)
wake_up_process(wait->task);
}
-void bch2_io_clock_schedule_timeout(struct io_clock *clock, unsigned long until)
+void bch2_io_clock_schedule_timeout(struct io_clock *clock, u64 until)
{
- struct io_clock_wait wait;
+ struct io_clock_wait wait = {
+ .io_timer.expire = until,
+ .io_timer.fn = io_clock_wait_fn,
+ .io_timer.fn2 = (void *) _RET_IP_,
+ .task = current,
+ };
- /* XXX: calculate sleep time rigorously */
- wait.io_timer.expire = until;
- wait.io_timer.fn = io_clock_wait_fn;
- wait.task = current;
- wait.expired = 0;
bch2_io_timer_add(clock, &wait.io_timer);
-
schedule();
-
bch2_io_timer_del(clock, &wait.io_timer);
}
void bch2_kthread_io_clock_wait(struct io_clock *clock,
- unsigned long io_until,
- unsigned long cpu_timeout)
+ u64 io_until, unsigned long cpu_timeout)
{
bool kthread = (current->flags & PF_KTHREAD) != 0;
- struct io_clock_wait wait;
+ struct io_clock_wait wait = {
+ .io_timer.expire = io_until,
+ .io_timer.fn = io_clock_wait_fn,
+ .io_timer.fn2 = (void *) _RET_IP_,
+ .task = current,
+ };
- wait.io_timer.expire = io_until;
- wait.io_timer.fn = io_clock_wait_fn;
- wait.task = current;
- wait.expired = 0;
bch2_io_timer_add(clock, &wait.io_timer);
timer_setup_on_stack(&wait.cpu_timer, io_clock_cpu_timeout, 0);
@@ -127,21 +120,20 @@ void bch2_kthread_io_clock_wait(struct io_clock *clock,
bch2_io_timer_del(clock, &wait.io_timer);
}
-static struct io_timer *get_expired_timer(struct io_clock *clock,
- unsigned long now)
+static struct io_timer *get_expired_timer(struct io_clock *clock, u64 now)
{
struct io_timer *ret = NULL;
if (clock->timers.used &&
- time_after_eq(now, clock->timers.data[0]->expire))
+ time_after_eq64(now, clock->timers.data[0]->expire))
heap_pop(&clock->timers, ret, io_timer_cmp, NULL);
return ret;
}
-void __bch2_increment_clock(struct io_clock *clock, unsigned sectors)
+void __bch2_increment_clock(struct io_clock *clock, u64 sectors)
{
struct io_timer *timer;
- unsigned long now = atomic64_add_return(sectors, &clock->now);
+ u64 now = atomic64_add_return(sectors, &clock->now);
spin_lock(&clock->timer_lock);
while ((timer = get_expired_timer(clock, now)))
@@ -151,17 +143,18 @@ void __bch2_increment_clock(struct io_clock *clock, unsigned sectors)
void bch2_io_timers_to_text(struct printbuf *out, struct io_clock *clock)
{
- unsigned long now;
- unsigned i;
-
out->atomic++;
spin_lock(&clock->timer_lock);
- now = atomic64_read(&clock->now);
+ u64 now = atomic64_read(&clock->now);
+
+ printbuf_tabstop_push(out, 40);
+ prt_printf(out, "current time:\t%llu\n", now);
- for (i = 0; i < clock->timers.used; i++)
- prt_printf(out, "%ps:\t%li\n",
+ for (unsigned i = 0; i < clock->timers.used; i++)
+ prt_printf(out, "%ps %ps:\t%llu\n",
clock->timers.data[i]->fn,
- clock->timers.data[i]->expire - now);
+ clock->timers.data[i]->fn2,
+ clock->timers.data[i]->expire);
spin_unlock(&clock->timer_lock);
--out->atomic;
}