linux/fs/bcachefs/clock.h
Kent Overstreet 7807e14384 bcachefs: Convert various code to printbuf
printbufs know how big the buffer is that was allocated, so we can get
rid of the random PAGE_SIZEs all over the place.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22 17:08:43 -04:00

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 */