| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | #ifndef _BCACHEFS_BTREE_KEY_CACHE_TYPES_H |
| 3 | #define _BCACHEFS_BTREE_KEY_CACHE_TYPES_H |
| 4 | |
| 5 | struct btree_key_cache_freelist { |
| 6 | struct bkey_cached *objs[16]; |
| 7 | unsigned nr; |
| 8 | }; |
| 9 | |
| 10 | struct btree_key_cache { |
| 11 | struct mutex lock; |
| 12 | struct rhashtable table; |
| 13 | bool table_init_done; |
| 14 | |
| 15 | struct list_head freed_pcpu; |
| 16 | size_t nr_freed_pcpu; |
| 17 | struct list_head freed_nonpcpu; |
| 18 | size_t nr_freed_nonpcpu; |
| 19 | |
| 20 | struct shrinker *shrink; |
| 21 | unsigned shrink_iter; |
| 22 | struct btree_key_cache_freelist __percpu *pcpu_freed; |
| 23 | |
| 24 | atomic_long_t nr_freed; |
| 25 | atomic_long_t nr_keys; |
| 26 | atomic_long_t nr_dirty; |
| 27 | }; |
| 28 | |
| 29 | struct bkey_cached_key { |
| 30 | u32 btree_id; |
| 31 | struct bpos pos; |
| 32 | } __packed __aligned(4); |
| 33 | |
| 34 | #endif /* _BCACHEFS_BTREE_KEY_CACHE_TYPES_H */ |
| 35 |