+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_BTREE_CACHE_H
#define _BCACHEFS_BTREE_CACHE_H
#include "bcachefs.h"
#include "btree_types.h"
-#include "extents.h"
struct btree_iter;
struct btree *bch2_btree_node_get(struct bch_fs *, struct btree_iter *,
const struct bkey_i *, unsigned,
- enum six_lock_type, bool);
+ enum six_lock_type);
+
+struct btree *bch2_btree_node_get_noiter(struct bch_fs *, const struct bkey_i *,
+ enum btree_id, unsigned);
struct btree *bch2_btree_node_get_sibling(struct bch_fs *, struct btree_iter *,
- struct btree *, bool,
- enum btree_node_sibling);
+ struct btree *, enum btree_node_sibling);
void bch2_btree_node_prefetch(struct bch_fs *, struct btree_iter *,
const struct bkey_i *, unsigned);
int bch2_fs_btree_cache_init(struct bch_fs *);
void bch2_fs_btree_cache_init_early(struct btree_cache *);
-#define PTR_HASH(_k) (bkey_i_to_extent_c(_k)->v._data[0])
+static inline u64 btree_ptr_hash_val(const struct bkey_i *k)
+{
+ switch (k->k.type) {
+ case KEY_TYPE_btree_ptr:
+ return *((u64 *) bkey_i_to_btree_ptr_c(k)->v.start);
+ case KEY_TYPE_btree_ptr_v2:
+ return bkey_i_to_btree_ptr_v2_c(k)->v.seq;
+ default:
+ return 0;
+ }
+}
+
+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 bkey_extent_is_data(&b->key.k) && PTR_HASH(&b->key);
+ return b->hash_val != 0;
}
#define for_each_cached_btree(_b, _c, _tbl, _iter, _pos) \
return c->opts.btree_node_size >> c->block_bits;
}
-#define BTREE_SPLIT_THRESHOLD(c) (btree_blocks(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 *);