diff options
author | Kent Overstreet <kent.overstreet@linux.dev> | 2022-12-19 18:31:44 -0500 |
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committer | Kent Overstreet <kent.overstreet@linux.dev> | 2022-12-19 18:31:44 -0500 |
commit | 177f05106c0d1ac8d75eb8c27397fdd7924d168b (patch) | |
tree | 4e08a05be405b9cf9f439b3eeeec58dee5ecb97e /libbcachefs/lru.h | |
parent | b6fca67693002848f21c2f27131c212debf8a396 (diff) |
Update bcachefs sources to 2e8463c770 bcachefs: Rework lru btree
Diffstat (limited to 'libbcachefs/lru.h')
-rw-r--r-- | libbcachefs/lru.h | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/libbcachefs/lru.h b/libbcachefs/lru.h index 925c29b..2e22f13 100644 --- a/libbcachefs/lru.h +++ b/libbcachefs/lru.h @@ -2,6 +2,26 @@ #ifndef _BCACHEFS_LRU_H #define _BCACHEFS_LRU_H +#define LRU_TIME_BITS 48 +#define LRU_TIME_MAX ((1ULL << LRU_TIME_BITS) - 1) + +static inline struct bpos lru_pos(u16 lru_id, u64 dev_bucket, u64 time) +{ + EBUG_ON(time > LRU_TIME_MAX); + + return POS(((u64) lru_id << LRU_TIME_BITS)|time, dev_bucket); +} + +static inline u64 lru_pos_id(struct bpos pos) +{ + return pos.inode >> LRU_TIME_BITS; +} + +static inline u64 lru_pos_time(struct bpos pos) +{ + return pos.inode & ~(~0ULL << LRU_TIME_BITS); +} + int bch2_lru_invalid(const struct bch_fs *, struct bkey_s_c, int, struct printbuf *); void bch2_lru_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); @@ -10,9 +30,9 @@ void bch2_lru_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); .val_to_text = bch2_lru_to_text, \ }) -int bch2_lru_delete(struct btree_trans *, u64, u64, u64, struct bkey_s_c); -int bch2_lru_set(struct btree_trans *, u64, u64, u64 *); -int bch2_lru_change(struct btree_trans *, u64, u64, u64, u64 *, struct bkey_s_c); +int bch2_lru_del(struct btree_trans *, u16, u64, u64); +int bch2_lru_set(struct btree_trans *, u16, u64, u64); +int bch2_lru_change(struct btree_trans *, u16, u64, u64, u64); int bch2_check_lrus(struct bch_fs *); |