1553                 let sub_slice = slice.get_slice(already_read, count).unwrap();  in read()  localVariable
1555                     Some(f) => f.read_exact_at_volatile(sub_slice, offset),  in read()
1557                         sub_slice.write_bytes(0);  in read()
1623                 let sub_slice = slice.get_slice(read, count).unwrap();  in read_volatile()  localVariable
1625                     Some(f) => f.read_exact_at_volatile(sub_slice, offset),  in read_volatile()
1627                         sub_slice.write_bytes(0);  in read_volatile()
1640                 let sub_slice = slice.get_slice(offset, count).unwrap();  in write_volatile()  localVariable
1641                 file.write_all_volatile(sub_slice)  in write_volatile()
1651             let sub_slice = slice.get_slice(read, count).unwrap();  in read_at_volatile()  localVariable
1653                 Some(f) => f.read_exact_at_volatile(sub_slice, offset),  in read_at_volatile()
1655                     sub_slice.write_bytes(0);  in read_at_volatile()
1664             let sub_slice = slice.get_slice(offset, count).unwrap();  in write_at_volatile()  localVariable
1665             file.write_all_volatile(sub_slice)  in write_at_volatile()