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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); | |
6baf2730 | 9 | |
5873efbf | 10 | void __bch2_increment_clock(struct io_clock *, unsigned); |
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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)) | |
5873efbf | 19 | __bch2_increment_clock(clock, this_cpu_xchg(*clock->pcpu_buf, 0)); |
6baf2730 | 20 | } |
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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 | ||
7807e143 | 33 | void bch2_io_timers_to_text(struct printbuf *, struct io_clock *); |
5873efbf | 34 | |
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35 | void bch2_io_clock_exit(struct io_clock *); |
36 | int bch2_io_clock_init(struct io_clock *); | |
37 | ||
38 | #endif /* _BCACHEFS_CLOCK_H */ |