237 __blkdev_direct_IO_simple(struct kiocb *iocb, struct iov_iter *iter,  in __blkdev_direct_IO_simple()  argument
249 	if ((pos | iov_iter_alignment(iter)) &  in __blkdev_direct_IO_simple()
270 	ret = bio_iov_iter_get_pages(&bio, iter);  in __blkdev_direct_IO_simple()
275 	if (iov_iter_rw(iter) == READ) {  in __blkdev_direct_IO_simple()
277 		if (iter_is_iovec(iter))  in __blkdev_direct_IO_simple()
375 __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)  in __blkdev_direct_IO()  argument
384 	bool is_read = (iov_iter_rw(iter) == READ), is_sync;  in __blkdev_direct_IO()
389 	if ((pos | iov_iter_alignment(iter)) &  in __blkdev_direct_IO()
406 	dio->should_dirty = is_read && iter_is_iovec(iter);  in __blkdev_direct_IO()
423 		ret = bio_iov_iter_get_pages(bio, iter);  in __blkdev_direct_IO()
444 		nr_pages = iov_iter_npages(iter, BIO_MAX_PAGES);  in __blkdev_direct_IO()
505 blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter)  in blkdev_direct_IO()  argument
509 	nr_pages = iov_iter_npages(iter, BIO_MAX_PAGES + 1);  in blkdev_direct_IO()
513 		return __blkdev_direct_IO_simple(iocb, iter, nr_pages);  in blkdev_direct_IO()
515 	return __blkdev_direct_IO(iocb, iter, min(nr_pages, BIO_MAX_PAGES));  in blkdev_direct_IO()