- size_t BlockSize;
-
- int (*Read)(void *, Uint64, size_t, void *);
- int (*Write)(void *, Uint64, size_t, const void *);
+ int (*Read)(void *, Uint64, size_t, void *);
+ int (*Write)(void *, Uint64, size_t, const void *);
+ void (*Cleanup)(void *);