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 | |