diff options
Diffstat (limited to 'fs/bcachefs/lru.h')
-rw-r--r-- | fs/bcachefs/lru.h | 43 |
1 files changed, 22 insertions, 21 deletions
diff --git a/fs/bcachefs/lru.h b/fs/bcachefs/lru.h index 429dca816df5..8abd0aa2083a 100644 --- a/fs/bcachefs/lru.h +++ b/fs/bcachefs/lru.h @@ -2,9 +2,6 @@ #ifndef _BCACHEFS_LRU_H #define _BCACHEFS_LRU_H -#define LRU_TIME_BITS 48 -#define LRU_TIME_MAX ((1ULL << LRU_TIME_BITS) - 1) - static inline u64 lru_pos_id(struct bpos pos) { return pos.inode >> LRU_TIME_BITS; @@ -27,42 +24,46 @@ static inline struct bpos lru_pos(u16 lru_id, u64 dev_bucket, u64 time) return pos; } -#define BCH_LRU_TYPES() \ - x(read) \ - x(fragmentation) - -enum bch_lru_type { -#define x(n) BCH_LRU_##n, - BCH_LRU_TYPES() -#undef x -}; - -#define BCH_LRU_FRAGMENTATION_START ((1U << 16) - 1) - static inline enum bch_lru_type lru_type(struct bkey_s_c l) { u16 lru_id = l.k->p.inode >> 48; - if (lru_id == BCH_LRU_FRAGMENTATION_START) + switch (lru_id) { + case BCH_LRU_BUCKET_FRAGMENTATION: return BCH_LRU_fragmentation; - return BCH_LRU_read; + case BCH_LRU_STRIPE_FRAGMENTATION: + return BCH_LRU_stripes; + default: + return BCH_LRU_read; + } } -int bch2_lru_invalid(struct bch_fs *, struct bkey_s_c, - enum bkey_invalid_flags, struct printbuf *); +int bch2_lru_validate(struct bch_fs *, struct bkey_s_c, struct bkey_validate_context); void bch2_lru_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c); void bch2_lru_pos_to_text(struct printbuf *, struct bpos); #define bch2_bkey_ops_lru ((struct bkey_ops) { \ - .key_invalid = bch2_lru_invalid, \ + .key_validate = bch2_lru_validate, \ .val_to_text = bch2_lru_to_text, \ .min_val_size = 8, \ }) 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_lru_change(struct btree_trans *, u16, u64, u64, u64); + +static inline int bch2_lru_change(struct btree_trans *trans, + u16 lru_id, u64 dev_bucket, + u64 old_time, u64 new_time) +{ + return old_time != new_time + ? __bch2_lru_change(trans, lru_id, dev_bucket, old_time, new_time) + : 0; +} + +struct bkey_buf; +int bch2_lru_check_set(struct btree_trans *, u16, u64, u64, struct bkey_s_c, struct bkey_buf *); int bch2_check_lrus(struct bch_fs *); |