return 0; 
return -EIO; 
queue_attr_show(struct kobject *kobj, struct attribute *attr, char *page){	struct queue_sysfs_entry *entry = to_queue(attr);	struct request_queue *q;	q = container_of(kobj, struct request_queue, kobj);	if (!entry->show)		return 0;	return entry->show(q, page);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/6c1852a08e444a2e66367352a99c0e93c8bf3e97/ll_rw_blk.c/clean/drivers/block/ll_rw_blk.c