[thin_pool] Support creating metadadata snapshot

2020-06-02 19:07:13 +08:00
parent e33c60c7e2
commit 524de134a4
2 changed files with 49 additions and 0 deletions
--- a/thin-provisioning/thin_pool.h
+++ b/thin-provisioning/thin_pool.h
@@ -82,6 +82,9 @@ namespace thin_provisioning {
 		void set_transaction_id(uint64_t id);
 		uint64_t get_transaction_id() const;

+		// handling metadata snapshot
+		void reserve_metadata_snap();
+		void release_metadata_snap();
 		block_address get_metadata_snap() const;

 		block_address alloc_data_block();