rem: return B_ENTRY_NOT_FOUND;
add: if (!error) user_memcpy(_info, &info, sizeof(info)); return error;
context: _kern_get_disk_device_job_progress_info(disk_job_id id,										disk_device_job_progress_info *info){	if (!info)		return B_BAD_VALUE;	KDiskDeviceManager *manager = KDiskDeviceManager::Default();	if (ManagerLocker locker = manager) {		// find the job and get the info		if (KDiskDeviceJob *job = manager->FindJob(id))			return job->GetProgressInfo(info);	}	return B_ENTRY_NOT_FOUND;}