/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHEFS_CLOCK_TYPES_H #define _BCACHEFS_CLOCK_TYPES_H #include "util.h" #define NR_IO_TIMERS (BCH_SB_MEMBERS_MAX * 3) /* * Clocks/timers in units of sectors of IO: * * Note - they use percpu batching, so they're only approximate. */ struct io_timer; typedef void (*io_timer_fn)(struct io_timer *); struct io_timer { io_timer_fn fn; void *fn2; u64 expire; }; /* Amount to buffer up on a percpu counter */ #define IO_CLOCK_PCPU_SECTORS 128 typedef DEFINE_MIN_HEAP(struct io_timer *, io_timer_heap) io_timer_heap; struct io_clock { atomic64_t now; u16 __percpu *pcpu_buf; unsigned max_slop; spinlock_t timer_lock; io_timer_heap timers; }; #endif /* _BCACHEFS_CLOCK_TYPES_H */