struct btree_iter;
-extern const char * const bch2_btree_ids[];
-
void bch2_recalc_btree_reserve(struct bch_fs *);
void bch2_btree_node_hash_remove(struct btree_cache *, struct btree *);
struct btree *bch2_btree_node_get(struct bch_fs *, struct btree_iter *,
const struct bkey_i *, unsigned,
- enum six_lock_type);
+ enum six_lock_type, unsigned long);
+
+struct btree *bch2_btree_node_get_noiter(struct bch_fs *, const struct bkey_i *,
+ enum btree_id, unsigned, bool);
struct btree *bch2_btree_node_get_sibling(struct bch_fs *, struct btree_iter *,
struct btree *, enum btree_node_sibling);
void bch2_btree_node_prefetch(struct bch_fs *, struct btree_iter *,
- const struct bkey_i *, unsigned);
+ const struct bkey_i *, enum btree_id, unsigned);
void bch2_fs_btree_cache_exit(struct bch_fs *);
int bch2_fs_btree_cache_init(struct bch_fs *);
}
}
+static inline struct btree *btree_node_mem_ptr(const struct bkey_i *k)
+{
+ return k->k.type == KEY_TYPE_btree_ptr_v2
+ ? (void *)(unsigned long)bkey_i_to_btree_ptr_v2_c(k)->v.mem_ptr
+ : NULL;
+}
+
/* is btree node in hash table? */
static inline bool btree_node_hashed(struct btree *b)
{
return (btree_bytes(c) - sizeof(struct btree_node)) / sizeof(u64);
}
-static inline size_t btree_page_order(struct bch_fs *c)
-{
- return get_order(btree_bytes(c));
-}
-
static inline size_t btree_pages(struct bch_fs *c)
{
- return 1 << btree_page_order(c);
+ return btree_bytes(c) / PAGE_SIZE;
}
static inline unsigned btree_blocks(struct bch_fs *c)
return c->opts.btree_node_size >> c->block_bits;
}
-#define BTREE_SPLIT_THRESHOLD(c) (btree_max_u64s(c) * 3 / 4)
+#define BTREE_SPLIT_THRESHOLD(c) (btree_max_u64s(c) * 2 / 3)
#define BTREE_FOREGROUND_MERGE_THRESHOLD(c) (btree_max_u64s(c) * 1 / 3)
#define BTREE_FOREGROUND_MERGE_HYSTERESIS(c) \
(BTREE_FOREGROUND_MERGE_THRESHOLD(c) + \
(BTREE_FOREGROUND_MERGE_THRESHOLD(c) << 2))
-#define btree_node_root(_c, _b) ((_c)->btree_roots[(_b)->btree_id].b)
+#define btree_node_root(_c, _b) ((_c)->btree_roots[(_b)->c.btree_id].b)
void bch2_btree_node_to_text(struct printbuf *, struct bch_fs *,
struct btree *);
+void bch2_btree_cache_to_text(struct printbuf *, struct bch_fs *);
#endif /* _BCACHEFS_BTREE_CACHE_H */