/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHE_STATS_H_ #define _BCACHE_STATS_H_ struct cache_stat_collector { atomic_t cache_hits; atomic_t cache_misses; atomic_t cache_bypass_hits; atomic_t cache_bypass_misses; atomic_t cache_readaheads; atomic_t cache_miss_collisions; atomic_t sectors_bypassed; }; struct cache_stats { struct kobject kobj; unsigned long cache_hits; unsigned long cache_misses; unsigned long cache_bypass_hits; unsigned long cache_bypass_misses; unsigned long cache_readaheads; unsigned long cache_miss_collisions; unsigned long sectors_bypassed; unsigned int rescale; }; struct cache_accounting { struct closure cl; struct timer_list timer; atomic_t closing; struct cache_stat_collector collector; struct cache_stats total; struct cache_stats five_minute; struct cache_stats hour; struct cache_stats day; }; struct cache_set; struct cached_dev; struct bcache_device; void bch_cache_accounting_init(struct cache_accounting *acc, struct closure *parent); int bch_cache_accounting_add_kobjs(struct cache_accounting *acc, struct kobject *parent); void bch_cache_accounting_clear(struct cache_accounting *acc); void bch_cache_accounting_destroy(struct cache_accounting *acc); void bch_mark_cache_accounting(struct cache_set *c, struct bcache_device *d, bool hit, bool bypass); void bch_mark_cache_readahead(struct cache_set *c, struct bcache_device *d); void bch_mark_cache_miss_collision(struct cache_set *c, struct bcache_device *d); void bch_mark_sectors_bypassed(struct cache_set *c, struct cached_dev *dc, int sectors); #endif /* _BCACHE_STATS_H_ */