if (devmap->device) devmap->device->features = devmap->features; 
dasd_set_feature(struct ccw_device *cdev, int feature, int flag){	struct dasd_devmap *devmap;	devmap = dasd_find_busid(cdev->dev.bus_id);	if (IS_ERR(devmap))		return (int) PTR_ERR(devmap);	spin_lock(&dasd_devmap_lock);	if (flag)		devmap->features |= feature;	else		devmap->features &= ~feature;	spin_unlock(&dasd_devmap_lock);	return 0;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/c6eb7b7703ac4b3401b74f411c8c51ded214bf19/dasd_devmap.c/clean/drivers/s390/block/dasd_devmap.c