void *private_data);
int (*get_seqnum)(struct db_context *db);
int (*transaction_start)(struct db_context *db);
+ NTSTATUS (*transaction_start_nonblock)(struct db_context *db);
int (*transaction_commit)(struct db_context *db);
int (*transaction_cancel)(struct db_context *db);
NTSTATUS (*parse_record)(struct db_context *db, TDB_DATA key,