259 static struct request *pf_req;	/* current request */  variable
796 			pf_req = blk_fetch_request(q);  in set_next_request()
797 			if (pf_req)  in set_next_request()
802 	return pf_req != NULL;  in set_next_request()
807 	if (pf_req && !__blk_end_request_cur(pf_req, err))  in pf_end_request()
808 		pf_req = NULL;  in pf_end_request()
816 	if (!pf_req && !set_next_request())  in pf_request()
819 	pf_current = pf_req->rq_disk->private_data;  in pf_request()
820 	pf_block = blk_rq_pos(pf_req);  in pf_request()
821 	pf_run = blk_rq_sectors(pf_req);  in pf_request()
822 	pf_count = blk_rq_cur_sectors(pf_req);  in pf_request()
824 	if (pf_block + pf_count > get_capacity(pf_req->rq_disk)) {  in pf_request()
829 	pf_cmd = rq_data_dir(pf_req);  in pf_request()
830 	pf_buf = bio_data(pf_req->bio);  in pf_request()
864 		if (!pf_req)  in pf_next_buf()
866 		pf_count = blk_rq_cur_sectors(pf_req);  in pf_next_buf()
867 		pf_buf = bio_data(pf_req->bio);  in pf_next_buf()