disk_change
if (disk_change(current_drive)) {
disk_change(current_drive) && (raw_cmd->flags & FD_RAW_NEED_DISK)) {
disk_change(current_drive) && !drive_params[current_drive].select_delay)
disk_change(current_drive);
if (disk_change(current_drive))
disk_change(drive);
struct affs_date disk_change;
affs_secs_to_datestamp(ktime_get_real_seconds(), &tail->disk_change);