int tdb_unlockall_read(struct tdb_context *tdb);
int tdb_lockall_mark(struct tdb_context *tdb);
int tdb_lockall_unmark(struct tdb_context *tdb);
int tdb_unlockall_read(struct tdb_context *tdb);
int tdb_lockall_mark(struct tdb_context *tdb);
int tdb_lockall_unmark(struct tdb_context *tdb);