| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|
| 2 | #ifndef _BCACHEFS_CLOCK_H |
|---|
| 3 | #define _BCACHEFS_CLOCK_H |
|---|
| 4 | |
|---|
| 5 | void bch2_io_timer_add(struct io_clock *, struct io_timer *); |
|---|
| 6 | void bch2_io_timer_del(struct io_clock *, struct io_timer *); |
|---|
| 7 | void bch2_kthread_io_clock_wait(struct io_clock *, unsigned long, |
|---|
| 8 | unsigned long); |
|---|
| 9 | |
|---|
| 10 | void __bch2_increment_clock(struct io_clock *, unsigned); |
|---|
| 11 | |
|---|
| 12 | static inline void bch2_increment_clock(struct bch_fs *c, unsigned sectors, |
|---|
| 13 | int rw) |
|---|
| 14 | { |
|---|
| 15 | struct io_clock *clock = &c->io_clock[rw]; |
|---|
| 16 | |
|---|
| 17 | if (unlikely(this_cpu_add_return(*clock->pcpu_buf, sectors) >= |
|---|
| 18 | IO_CLOCK_PCPU_SECTORS)) |
|---|
| 19 | __bch2_increment_clock(clock, this_cpu_xchg(*clock->pcpu_buf, 0)); |
|---|
| 20 | } |
|---|
| 21 | |
|---|
| 22 | void bch2_io_clock_schedule_timeout(struct io_clock *, unsigned long); |
|---|
| 23 | |
|---|
| 24 | #define bch2_kthread_wait_event_ioclock_timeout(condition, clock, timeout)\ |
|---|
| 25 | ({ \ |
|---|
| 26 | long __ret = timeout; \ |
|---|
| 27 | might_sleep(); \ |
|---|
| 28 | if (!___wait_cond_timeout(condition)) \ |
|---|
| 29 | __ret = __wait_event_timeout(wq, condition, timeout); \ |
|---|
| 30 | __ret; \ |
|---|
| 31 | }) |
|---|
| 32 | |
|---|
| 33 | void bch2_io_timers_to_text(struct printbuf *, struct io_clock *); |
|---|
| 34 | |
|---|
| 35 | void bch2_io_clock_exit(struct io_clock *); |
|---|
| 36 | int bch2_io_clock_init(struct io_clock *); |
|---|
| 37 | |
|---|
| 38 | #endif /* _BCACHEFS_CLOCK_H */ |
|---|
| 39 | |
|---|
