bcache in userspace; userspace fsck

1 files changed, 52 insertions, 0 deletions

diff --git a/libbcache/stats.h b/libbcache/stats.h
new file mode 100644
index 0000000..39877f9
--- /dev/null
+++ b/libbcache/stats.h
@@ -0,0 +1,52 @@
+#ifndef _BCACHE_STATS_H_
+#define _BCACHE_STATS_H_
+
+#include "stats_types.h"
+
+struct cache_set;
+struct cached_dev;
+struct bcache_device;
+
+void bch_cache_accounting_init(struct cache_accounting *, struct closure *);
+int bch_cache_accounting_add_kobjs(struct cache_accounting *, struct kobject *);
+void bch_cache_accounting_clear(struct cache_accounting *);
+void bch_cache_accounting_destroy(struct cache_accounting *);
+
+static inline void mark_cache_stats(struct cache_stat_collector *stats,
+				    bool hit, bool bypass)
+{
+	atomic_inc(&stats->cache_hit_array[!bypass][!hit]);
+}
+
+static inline void bch_mark_cache_accounting(struct cache_set *c,
+					     struct cached_dev *dc,
+					     bool hit, bool bypass)
+{
+	mark_cache_stats(&dc->accounting.collector, hit, bypass);
+	mark_cache_stats(&c->accounting.collector, hit, bypass);
+}
+
+static inline void bch_mark_sectors_bypassed(struct cache_set *c,
+					     struct cached_dev *dc,
+					     unsigned sectors)
+{
+	atomic_add(sectors, &dc->accounting.collector.sectors_bypassed);
+	atomic_add(sectors, &c->accounting.collector.sectors_bypassed);
+}
+
+static inline void bch_mark_gc_write(struct cache_set *c, int sectors)
+{
+	atomic_add(sectors, &c->accounting.collector.gc_write_sectors);
+}
+
+static inline void bch_mark_foreground_write(struct cache_set *c, int sectors)
+{
+	atomic_add(sectors, &c->accounting.collector.foreground_write_sectors);
+}
+
+static inline void bch_mark_discard(struct cache_set *c, int sectors)
+{
+	atomic_add(sectors, &c->accounting.collector.discard_sectors);
+}
+
+#endif /* _BCACHE_STATS_H_ */