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-rw-r--r--drivers/md/bcache/stats.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/md/bcache/stats.h b/drivers/md/bcache/stats.h
new file mode 100644
index 000000000..bd3afc856
--- /dev/null
+++ b/drivers/md/bcache/stats.h
@@ -0,0 +1,63 @@
+/* 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_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_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_ */