diff options
Diffstat (limited to 'fs/bcachefs/lru.h')
-rw-r--r-- | fs/bcachefs/lru.h | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/fs/bcachefs/lru.h b/fs/bcachefs/lru.h deleted file mode 100644 index 8abd0aa2083a..000000000000 --- a/fs/bcachefs/lru.h +++ /dev/null @@ -1,70 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _BCACHEFS_LRU_H -#define _BCACHEFS_LRU_H - -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); -} - -static inline struct bpos lru_pos(u16 lru_id, u64 dev_bucket, u64 time) -{ - struct bpos pos = POS(((u64) lru_id << LRU_TIME_BITS)|time, dev_bucket); - - EBUG_ON(time > LRU_TIME_MAX); - EBUG_ON(lru_pos_id(pos) != lru_id); - EBUG_ON(lru_pos_time(pos) != time); - EBUG_ON(pos.offset != dev_bucket); - - return pos; -} - -static inline enum bch_lru_type lru_type(struct bkey_s_c l) -{ - u16 lru_id = l.k->p.inode >> 48; - - switch (lru_id) { - case BCH_LRU_BUCKET_FRAGMENTATION: - return BCH_LRU_fragmentation; - case BCH_LRU_STRIPE_FRAGMENTATION: - return BCH_LRU_stripes; - default: - return BCH_LRU_read; - } -} - -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_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); - -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 *); - -#endif /* _BCACHEFS_LRU_H */ |