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linux-next/drivers/md/bcache/stats.h
Kent Overstreet 220bb38c21 bcache: Break up struct search
With all the recent refactoring around struct btree op struct search has
gotten rather large.

But we can now easily break it up in a different way - we break out
struct btree_insert_op which is for inserting data into the cache, and
that's now what the copying gc code uses - struct search is now specific
to request.c

Signed-off-by: Kent Overstreet <kmo@daterainc.com>
2013-11-10 21:56:32 -08:00

62 lines
1.5 KiB
C

#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 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 *, struct bcache_device *,
bool, bool);
void bch_mark_cache_readahead(struct cache_set *, struct bcache_device *);
void bch_mark_cache_miss_collision(struct cache_set *, struct bcache_device *);
void bch_mark_sectors_bypassed(struct cache_set *, struct cached_dev *, int);
#endif /* _BCACHE_STATS_H_ */