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 unsigned long bch2_kthread_io_clock_wait_once(struct io_clock *, u64, unsigned long);
8 void bch2_kthread_io_clock_wait(struct io_clock *, u64, unsigned long);
9
10 void __bch2_increment_clock(struct io_clock *, u64);
11
bch2_increment_clock(struct bch_fs * c,u64 sectors,int rw)12 static inline void bch2_increment_clock(struct bch_fs *c, u64 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 *, u64);
23
24 void bch2_io_timers_to_text(struct printbuf *, struct io_clock *);
25
26 void bch2_io_clock_exit(struct io_clock *);
27 int bch2_io_clock_init(struct io_clock *);
28
29 #endif /* _BCACHEFS_CLOCK_H */
30