128     fn write_rollback_index(&mut self, rollback_index_location: usize, index: u64) -> IoResult<()>;  in write_rollback_index()
195     fn write_persistent_value(&mut self, name: &CStr, value: &[u8]) -> IoResult<()>;  in write_persistent_value()
213     fn erase_persistent_value(&mut self, name: &CStr) -> IoResult<()>;  in erase_persistent_value()
434 fn check_nonnull<T>(ptr: *const T) -> IoResult<()> {  in check_nonnull()
479 ) -> IoResult<()> {  in try_read_from_partition()
551 ) -> IoResult<()> {  in try_get_preloaded_partition()
639 ) -> IoResult<()> {  in try_validate_vbmeta_public_key()
705 ) -> IoResult<()> {  in try_read_rollback_index()
753 ) -> IoResult<()> {  in try_write_rollback_index()
780 ) -> IoResult<()> {  in try_read_is_device_unlocked()
836 ) -> IoResult<()> {  in try_get_unique_guid_for_partition()
928 ) -> IoResult<()> {  in try_get_size_of_partition()
992 ) -> IoResult<()> {  in try_read_persistent_value()
1062 ) -> IoResult<()> {  in try_write_persistent_value()
1135 ) -> IoResult<()> {  in try_validate_public_key_for_partition()
1212 ) -> IoResult<()> {  in try_read_permanent_attributes()
1245 ) -> IoResult<()> {  in try_read_permanent_attributes_hash()
1293 ) -> IoResult<()> {  in try_set_key_version()
1325 ) -> IoResult<()> {  in try_get_random()