bool tdb_needs_recovery(struct tdb_context *tdb);
int tdb_rec_read(struct tdb_context *tdb, tdb_off_t offset, struct tdb_record *rec);
int tdb_rec_write(struct tdb_context *tdb, tdb_off_t offset, struct tdb_record *rec);
-int tdb_do_delete(struct tdb_context *tdb, tdb_off_t rec_ptr, struct tdb_record *rec);
unsigned char *tdb_alloc_read(struct tdb_context *tdb, tdb_off_t offset, tdb_len_t len);
int tdb_parse_data(struct tdb_context *tdb, TDB_DATA key,
tdb_off_t offset, tdb_len_t len,
tdb_off_t tdb_find_dead(struct tdb_context *tdb, uint32_t hash,
struct tdb_record *r, tdb_len_t length,
tdb_off_t *p_last_ptr);
-int tdb_purge_dead(struct tdb_context *tdb, uint32_t hash);
+int tdb_trim_dead(struct tdb_context *tdb, uint32_t hash);
void tdb_io_init(struct tdb_context *tdb);
int tdb_expand(struct tdb_context *tdb, tdb_off_t size);
tdb_off_t tdb_expand_adjust(tdb_off_t map_size, tdb_off_t size, int page_size);