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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_BTREE_KEY_CACHE_TYPES_H
#define _BCACHEFS_BTREE_KEY_CACHE_TYPES_H
#include "rcu_pending.h"
struct btree_key_cache {
struct rhashtable table;
bool table_init_done;
struct shrinker *shrink;
unsigned shrink_iter;
/* 0: non pcpu reader locks, 1: pcpu reader locks */
struct rcu_pending pending[2];
size_t __percpu *nr_pending;
atomic_long_t nr_keys;
atomic_long_t nr_dirty;
/* shrinker stats */
unsigned long requested_to_free;
unsigned long freed;
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 */
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