This is the first version of the SR speedup feature for MariaDB 10.7.

include/wsrep/client_service.hpp

@@ -217,6 +217,20 @@ namespace wsrep
          * been enabled.
          */
         virtual void debug_crash(const char* crash_point) = 0;
+
+        /**
+         * Return the binlog cache for the currently executing
+         * transaction or a NULL pointer if no such cache exists.
+         */
+        virtual void *get_binlog_cache() = 0;
+
+        /**
+         * Remove the given transaction from the fragment cache.
+         */
+        virtual int fragment_cache_remove_transaction(
+            const wsrep::id& server_id,
+            wsrep::transaction_id transaction_id) = 0;
+
     };
 }