int tdb1_nest_lock(struct tdb1_context *tdb, uint32_t offset, int ltype,
enum tdb1_lock_flags flags);
int tdb1_nest_unlock(struct tdb1_context *tdb, uint32_t offset, int ltype,
int tdb1_nest_lock(struct tdb1_context *tdb, uint32_t offset, int ltype,
enum tdb1_lock_flags flags);
int tdb1_nest_unlock(struct tdb1_context *tdb, uint32_t offset, int ltype,