__u32);
__u64 (*store)(const struct lu_env *, const struct dt_it *);
int (*load)(const struct lu_env *, const struct dt_it *, __u64);
-int (*key_rec)(const struct lu_env *, const struct dt_it *, void *);
init
is called to allocate and initialize an instance of "iterator" which
cookie ->store() method returns. these two methods allow to implement
functionality like POSIX readdir where current position is stored as an
integer.
-key_rec
- is not used currently
3. Transactions
===============