628 	if (STp->buffer->do_dio) {  in st_do_scsi()
1559 			STbp->do_dio = i;  in setup_buffering()
1563 			STbp->do_dio = 0;  /* fall back to buffering with any error */  in setup_buffering()
1564 		STbp->sg_segs = STbp->do_dio;  in setup_buffering()
1566 		     if (STbp->do_dio) {  in setup_buffering()
1568 			STp->nbr_pages += STbp->do_dio;  in setup_buffering()
1572 		STbp->do_dio = 0;  in setup_buffering()
1575 	if (!STbp->do_dio) {  in setup_buffering()
1610 	if (STbp->do_dio) {  in release_buffering()
1611 		sgl_unmap_user_pages(STbp, STbp->do_dio, is_read);  in release_buffering()
1612 		STbp->do_dio = 0;  in release_buffering()
1703 	    !STbp->do_dio &&  in st_write()
1725 		if (STbp->do_dio) {  in st_write()
1747 		async_write = STp->block_size == 0 && !STbp->do_dio &&  in st_write()
1763 			if (!STbp->do_dio)  in st_write()
1927 			if (!STbp->do_dio && bytes > (STp->buffer)->buffer_size)  in read_tape()
2100 	int special, do_dio = 0;  in st_read()  local
2140 	do_dio = STbp->do_dio;  in st_read()
2153 	if (do_dio) {  in st_read()
2191 			if (!do_dio) {  in st_read()
2231 	if (do_dio) {  in st_read()
2708 	WARN_ON(STp->buffer->do_dio != 0);  in st_int_ioctl()