[btree] Implement btree::destroy() to delete the entire tree

Also decrease the reference count of the mapped values. (e.g., bitmap blocks of btree_index_store)
2020-06-02 11:47:38 +08:00
parent 4e1ec9326b
commit f803c44e93
2 changed files with 113 additions and 2 deletions
--- a/persistent-data/data-structures/btree.h
+++ b/persistent-data/data-structures/btree.h
@@ -124,6 +124,9 @@ namespace persistent_data {
 			template <typename RefCounter>
 			void inc_children(RefCounter &rc);

+			template <typename RefCounter>
+			void dec_children(RefCounter &rc);
+
 			disk_node *raw() {
 				return raw_;
 			}