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authorKent Overstreet <kent.overstreet@linux.dev>2022-12-19 18:31:44 -0500
committerKent Overstreet <kent.overstreet@linux.dev>2022-12-19 18:31:44 -0500
commit177f05106c0d1ac8d75eb8c27397fdd7924d168b (patch)
tree4e08a05be405b9cf9f439b3eeeec58dee5ecb97e /libbcachefs/lru.h
parentb6fca67693002848f21c2f27131c212debf8a396 (diff)
Update bcachefs sources to 2e8463c770 bcachefs: Rework lru btree
Diffstat (limited to 'libbcachefs/lru.h')
-rw-r--r--libbcachefs/lru.h26
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 *);