1378 		size_t this_len = min(total_len, SZ_1M);  in bio_iov_iter_bounce_write()  local
1382 		if (this_len > minsize * 2)  in bio_iov_iter_bounce_write()
1383 			this_len = rounddown_pow_of_two(this_len);  in bio_iov_iter_bounce_write()
1385 		if (bio->bi_iter.bi_size > BIO_MAX_SIZE - this_len)  in bio_iov_iter_bounce_write()
1388 		folio = folio_alloc_greedy(GFP_KERNEL, &this_len, minsize);  in bio_iov_iter_bounce_write()
1391 		bio_add_folio_nofail(bio, folio, this_len, 0);  in bio_iov_iter_bounce_write()
1394 			copied = copy_folio_from_iter_atomic(folio, 0, this_len,  in bio_iov_iter_bounce_write()
1397 			copied = copy_folio_from_iter(folio, 0, this_len, iter);  in bio_iov_iter_bounce_write()
1398 		if (copied < this_len) {  in bio_iov_iter_bounce_write()
1408 			iov_iter_revert(iter, bio->bi_iter.bi_size - this_len +  in bio_iov_iter_bounce_write()
1413 		total_len -= this_len;  in bio_iov_iter_bounce_write()