ret = blk_execute_rq(q, disk, rq); 
ret = blk_execute_rq(q, disk, rq, 0); 
int blkdev_scsi_issue_flush_fn(request_queue_t *q, struct gendisk *disk,			       sector_t *error_sector){	struct request *rq = blk_get_request(q, WRITE, __GFP_WAIT);	int ret;	rq->flags |= REQ_BLOCK_PC | REQ_SOFTBARRIER;	rq->sector = 0;	memset(rq->cmd, 0, sizeof(rq->cmd));	rq->cmd[0] = 0x35;	rq->cmd_len = 12;	rq->data = NULL;	rq->data_len = 0;	rq->timeout = 60 * HZ;	ret = blk_execute_rq(q, disk, rq);	if (ret && error_sector)		*error_sector = rq->sector;	blk_put_request(rq);	return ret;}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/994ca9a19616f0d4161a9e825f0835925d522426/ll_rw_blk.c/clean/drivers/block/ll_rw_blk.c