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 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 #define bch2_kthread_wait_event_ioclock_timeout(condition, clock, timeout)\ 24 ({ \ 25 long __ret = timeout; \ 26 might_sleep(); \ 27 if (!___wait_cond_timeout(condition)) \ 28 __ret = __wait_event_timeout(wq, condition, timeout); \ 29 __ret; \ 30 }) 31 32 void bch2_io_timers_to_text(struct printbuf *, struct io_clock *); 33 34 void bch2_io_clock_exit(struct io_clock *); 35 int bch2_io_clock_init(struct io_clock *); 36 37 #endif /* _BCACHEFS_CLOCK_H */ 38