blob: 237e8bb3ac407f1273ee781069b945fade71f0cb [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_BTREE_KEY_CACHE_TYPES_H
#define _BCACHEFS_BTREE_KEY_CACHE_TYPES_H
struct btree_key_cache_freelist {
struct bkey_cached *objs[16];
unsigned nr;
};
struct btree_key_cache {
struct mutex lock;
struct rhashtable table;
bool table_init_done;
struct list_head freed_pcpu;
size_t nr_freed_pcpu;
struct list_head freed_nonpcpu;
size_t nr_freed_nonpcpu;
struct shrinker *shrink;
unsigned shrink_iter;
struct btree_key_cache_freelist __percpu *pcpu_freed;
atomic_long_t nr_freed;
atomic_long_t nr_keys;
atomic_long_t nr_dirty;
/* shrinker stats */
unsigned long requested_to_free;
unsigned long freed;
unsigned long moved_to_freelist;
unsigned long skipped_dirty;
unsigned long skipped_accessed;
unsigned long skipped_lock_fail;
};
struct bkey_cached_key {
u32 btree_id;
struct bpos pos;
} __packed __aligned(4);
#endif /* _BCACHEFS_BTREE_KEY_CACHE_TYPES_H */