39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _BCACHEFS_CLOCK_H
|
|
#define _BCACHEFS_CLOCK_H
|
|
|
|
void bch2_io_timer_add(struct io_clock *, struct io_timer *);
|
|
void bch2_io_timer_del(struct io_clock *, struct io_timer *);
|
|
void bch2_kthread_io_clock_wait(struct io_clock *, unsigned long,
|
|
unsigned long);
|
|
|
|
void __bch2_increment_clock(struct io_clock *, unsigned);
|
|
|
|
static inline void bch2_increment_clock(struct bch_fs *c, unsigned sectors,
|
|
int rw)
|
|
{
|
|
struct io_clock *clock = &c->io_clock[rw];
|
|
|
|
if (unlikely(this_cpu_add_return(*clock->pcpu_buf, sectors) >=
|
|
IO_CLOCK_PCPU_SECTORS))
|
|
__bch2_increment_clock(clock, this_cpu_xchg(*clock->pcpu_buf, 0));
|
|
}
|
|
|
|
void bch2_io_clock_schedule_timeout(struct io_clock *, unsigned long);
|
|
|
|
#define bch2_kthread_wait_event_ioclock_timeout(condition, clock, timeout)\
|
|
({ \
|
|
long __ret = timeout; \
|
|
might_sleep(); \
|
|
if (!___wait_cond_timeout(condition)) \
|
|
__ret = __wait_event_timeout(wq, condition, timeout); \
|
|
__ret; \
|
|
})
|
|
|
|
void bch2_io_timers_to_text(struct printbuf *, struct io_clock *);
|
|
|
|
void bch2_io_clock_exit(struct io_clock *);
|
|
int bch2_io_clock_init(struct io_clock *);
|
|
|
|
#endif /* _BCACHEFS_CLOCK_H */
|