int (*direct_access) (struct block_device *, sector_t, void **,
unsigned long *);
void (*unlock_native_capacity) (struct gendisk *);
- int (*revalidate_disk) (struct gendisk *);
int (*getgeo)(struct block_device *, struct hd_geometry *);
void (*swap_slot_free_notify) (struct block_device *, unsigned long);
compat_ioctl: no
direct_access: no
unlock_native_capacity: no
-revalidate_disk: no
getgeo: no
swap_slot_free_notify: no (see below)
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