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