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 *, u64, unsigned long);
8
9 void __bch2_increment_clock(struct io_clock *, u64);
10
bch2_increment_clock(struct bch_fs * c,u64 sectors,int rw)11 static inline void bch2_increment_clock(struct bch_fs *c, u64 sectors,
12 int rw)
13 {
14 struct io_clock *clock = &c->io_clock[rw];
15
16 if (unlikely(this_cpu_add_return(*clock->pcpu_buf, sectors) >=
17 IO_CLOCK_PCPU_SECTORS))
18 __bch2_increment_clock(clock, this_cpu_xchg(*clock->pcpu_buf, 0));
19 }
20
21 void bch2_io_clock_schedule_timeout(struct io_clock *, u64);
22
23 void bch2_io_timers_to_text(struct printbuf *, struct io_clock *);
24
25 void bch2_io_clock_exit(struct io_clock *);
26 int bch2_io_clock_init(struct io_clock *);
27
28 #endif /* _BCACHEFS_CLOCK_H */
29