request_queue_t *q = kmem_cache_alloc(requestq_cachep, gfp_mask);  if (!q) return NULL;  memset(q, 0, sizeof(*q)); init_timer(&q->unplug_timer); atomic_set(&q->refcnt, 1);  q->backing_dev_info.unplug_io_fn = blk_backing_dev_unplug; q->backing_dev_info.unplug_io_data = q;  return q; 
return blk_alloc_queue_node(gfp_mask, -1); 
request_queue_t *blk_alloc_queue(int gfp_mask){	request_queue_t *q = kmem_cache_alloc(requestq_cachep, gfp_mask);	if (!q)		return NULL;	memset(q, 0, sizeof(*q));	init_timer(&q->unplug_timer);	atomic_set(&q->refcnt, 1);	q->backing_dev_info.unplug_io_fn = blk_backing_dev_unplug;	q->backing_dev_info.unplug_io_data = q;	return q;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/1946089a109251655c5438d92c539bd2930e71ea/ll_rw_blk.c/clean/drivers/block/ll_rw_blk.c