BUG_ON(list_empty(&req->queuelist));  list_del_init(&req->queuelist);  if (req->rl) elv_remove_request(req->q, req); 
elv_dequeue_request(req->q, req); 
static inline void blkdev_dequeue_request(struct request *req){	BUG_ON(list_empty(&req->queuelist));	list_del_init(&req->queuelist);	if (req->rl)		elv_remove_request(req->q, req);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/8922e16cf6269e668123acb1ae1fdc62b7a3a4fc/blkdev.h/clean/include/linux/blkdev.h