if (test_bit(QUEUE_FLAG_STOPPED, &q->queue_flags)) 
if (unlikely(test_bit(QUEUE_FLAG_STOPPED, &q->queue_flags))) 
void __generic_unplug_device(request_queue_t *q){	if (test_bit(QUEUE_FLAG_STOPPED, &q->queue_flags))		return;	if (!blk_remove_plug(q))		return;	/*	 * was plugged, fire request_fn if queue has stuff to do	 */	if (elv_next_request(q))		q->request_fn(q);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/fde6ad22480cdc2eaa102b805a3ed3ee1d36a376/ll_rw_blk.c/clean/drivers/block/ll_rw_blk.c