1377 static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone);
1399 	struct bio *clone;  in crypt_alloc_buffer()  local
1409 	clone = bio_alloc_bioset(GFP_NOIO, nr_iovecs, &cc->bs);  in crypt_alloc_buffer()
1410 	if (!clone)  in crypt_alloc_buffer()
1413 	clone_init(io, clone);  in crypt_alloc_buffer()
1420 			crypt_free_buffer_pages(cc, clone);  in crypt_alloc_buffer()
1421 			bio_put(clone);  in crypt_alloc_buffer()
1428 		bio_add_page(clone, page, len, 0);  in crypt_alloc_buffer()
1434 	if (dm_crypt_integrity_io_alloc(io, clone)) {  in crypt_alloc_buffer()
1435 		crypt_free_buffer_pages(cc, clone);  in crypt_alloc_buffer()
1436 		bio_put(clone);  in crypt_alloc_buffer()
1437 		clone = NULL;  in crypt_alloc_buffer()
1443 	return clone;  in crypt_alloc_buffer()
1446 static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone)  in crypt_free_buffer_pages()  argument
1451 	bio_for_each_segment_all(bv, clone, i) {  in crypt_free_buffer_pages()
1517 static void crypt_endio(struct bio *clone)  in crypt_endio()  argument
1519 	struct dm_crypt_io *io = clone->bi_private;  in crypt_endio()
1521 	unsigned rw = bio_data_dir(clone);  in crypt_endio()
1528 		crypt_free_buffer_pages(cc, clone);  in crypt_endio()
1530 	error = clone->bi_status;  in crypt_endio()
1531 	bio_put(clone);  in crypt_endio()
1544 static void clone_init(struct dm_crypt_io *io, struct bio *clone)  in clone_init()  argument
1548 	clone->bi_private = io;  in clone_init()
1549 	clone->bi_end_io  = crypt_endio;  in clone_init()
1550 	bio_set_dev(clone, cc->dev->bdev);  in clone_init()
1551 	clone->bi_opf	  = io->base_bio->bi_opf;  in clone_init()
1557 	struct bio *clone;  in kcryptd_io_read()  local
1565 	clone = bio_clone_fast(io->base_bio, gfp, &cc->bs);  in kcryptd_io_read()
1566 	if (!clone)  in kcryptd_io_read()
1571 	clone_init(io, clone);  in kcryptd_io_read()
1572 	clone->bi_iter.bi_sector = cc->start + io->sector;  in kcryptd_io_read()
1574 	if (dm_crypt_integrity_io_alloc(io, clone)) {  in kcryptd_io_read()
1576 		bio_put(clone);  in kcryptd_io_read()
1580 	generic_make_request(clone);  in kcryptd_io_read()
1604 	struct bio *clone = io->ctx.bio_out;  in kcryptd_io_write()  local
1606 	generic_make_request(clone);  in kcryptd_io_write()
1665 	struct bio *clone = io->ctx.bio_out;  in kcryptd_crypt_write_io_submit()  local
1672 		crypt_free_buffer_pages(cc, clone);  in kcryptd_crypt_write_io_submit()
1673 		bio_put(clone);  in kcryptd_crypt_write_io_submit()
1681 	clone->bi_iter.bi_sector = cc->start + io->sector;  in kcryptd_crypt_write_io_submit()
1684 		generic_make_request(clone);  in kcryptd_crypt_write_io_submit()
1709 	struct bio *clone;  in kcryptd_crypt_write_convert()  local
1720 	clone = crypt_alloc_buffer(io, io->base_bio->bi_iter.bi_size);  in kcryptd_crypt_write_convert()
1721 	if (unlikely(!clone)) {  in kcryptd_crypt_write_convert()
1726 	io->ctx.bio_out = clone;  in kcryptd_crypt_write_convert()
1727 	io->ctx.iter_out = clone->bi_iter;  in kcryptd_crypt_write_convert()
1729 	sector += bio_sectors(clone);  in kcryptd_crypt_write_convert()