203 		int nr_pages)  in __blkdev_direct_IO_simple()  argument
218 	if (nr_pages <= DIO_INLINE_BIO_VECS)  in __blkdev_direct_IO_simple()
221 		vecs = kmalloc_array(nr_pages, sizeof(struct bio_vec),  in __blkdev_direct_IO_simple()
227 	bio_init(&bio, vecs, nr_pages);  in __blkdev_direct_IO_simple()
338 __blkdev_direct_IO(struct kiocb *iocb, struct iov_iter *iter, int nr_pages)  in __blkdev_direct_IO()  argument
356 	bio = bio_alloc_bioset(GFP_KERNEL, nr_pages, &blkdev_dio_pool);  in __blkdev_direct_IO()
405 		nr_pages = iov_iter_npages(iter, BIO_MAX_PAGES);  in __blkdev_direct_IO()
406 		if (!nr_pages) {  in __blkdev_direct_IO()
436 		bio = bio_alloc(GFP_KERNEL, nr_pages);  in __blkdev_direct_IO()
468 	int nr_pages;  in blkdev_direct_IO()  local
470 	nr_pages = iov_iter_npages(iter, BIO_MAX_PAGES + 1);  in blkdev_direct_IO()
471 	if (!nr_pages)  in blkdev_direct_IO()
473 	if (is_sync_kiocb(iocb) && nr_pages <= BIO_MAX_PAGES)  in blkdev_direct_IO()
474 		return __blkdev_direct_IO_simple(iocb, iter, nr_pages);  in blkdev_direct_IO()
476 	return __blkdev_direct_IO(iocb, iter, min(nr_pages, BIO_MAX_PAGES));  in blkdev_direct_IO()
618 			struct list_head *pages, unsigned nr_pages)  in blkdev_readpages()  argument
620 	return mpage_readpages(mapping, pages, nr_pages, blkdev_get_block);  in blkdev_readpages()