1635 static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone);
1657 	struct bio *clone;  in crypt_alloc_buffer()  local
1667 	clone = bio_alloc_bioset(GFP_NOIO, nr_iovecs, &cc->bs);  in crypt_alloc_buffer()
1668 	if (!clone)  in crypt_alloc_buffer()
1671 	clone_init(io, clone);  in crypt_alloc_buffer()
1678 			crypt_free_buffer_pages(cc, clone);  in crypt_alloc_buffer()
1679 			bio_put(clone);  in crypt_alloc_buffer()
1686 		bio_add_page(clone, page, len, 0);  in crypt_alloc_buffer()
1692 	if (dm_crypt_integrity_io_alloc(io, clone)) {  in crypt_alloc_buffer()
1693 		crypt_free_buffer_pages(cc, clone);  in crypt_alloc_buffer()
1694 		bio_put(clone);  in crypt_alloc_buffer()
1695 		clone = NULL;  in crypt_alloc_buffer()
1701 	return clone;  in crypt_alloc_buffer()
1704 static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone)  in crypt_free_buffer_pages()  argument
1709 	bio_for_each_segment_all(bv, clone, iter_all) {  in crypt_free_buffer_pages()
1797 static void crypt_endio(struct bio *clone)  in crypt_endio()  argument
1799 	struct dm_crypt_io *io = clone->bi_private;  in crypt_endio()
1801 	unsigned rw = bio_data_dir(clone);  in crypt_endio()
1808 		crypt_free_buffer_pages(cc, clone);  in crypt_endio()
1810 	error = clone->bi_status;  in crypt_endio()
1811 	bio_put(clone);  in crypt_endio()
1824 static void clone_init(struct dm_crypt_io *io, struct bio *clone)  in clone_init()  argument
1828 	clone->bi_private = io;  in clone_init()
1829 	clone->bi_end_io  = crypt_endio;  in clone_init()
1830 	bio_set_dev(clone, cc->dev->bdev);  in clone_init()
1831 	clone->bi_opf	  = io->base_bio->bi_opf;  in clone_init()
1837 	struct bio *clone;  in kcryptd_io_read()  local
1845 	clone = bio_clone_fast(io->base_bio, gfp, &cc->bs);  in kcryptd_io_read()
1846 	if (!clone)  in kcryptd_io_read()
1851 	clone_init(io, clone);  in kcryptd_io_read()
1852 	clone->bi_iter.bi_sector = cc->start + io->sector;  in kcryptd_io_read()
1854 	if (dm_crypt_integrity_io_alloc(io, clone)) {  in kcryptd_io_read()
1856 		bio_put(clone);  in kcryptd_io_read()
1860 	submit_bio_noacct(clone);  in kcryptd_io_read()
1884 	struct bio *clone = io->ctx.bio_out;  in kcryptd_io_write()  local
1886 	submit_bio_noacct(clone);  in kcryptd_io_write()
1945 	struct bio *clone = io->ctx.bio_out;  in kcryptd_crypt_write_io_submit()  local
1952 		crypt_free_buffer_pages(cc, clone);  in kcryptd_crypt_write_io_submit()
1953 		bio_put(clone);  in kcryptd_crypt_write_io_submit()
1961 	clone->bi_iter.bi_sector = cc->start + io->sector;  in kcryptd_crypt_write_io_submit()
1965 		submit_bio_noacct(clone);  in kcryptd_crypt_write_io_submit()
2044 	struct bio *clone;  in kcryptd_crypt_write_convert()  local
2055 	clone = crypt_alloc_buffer(io, io->base_bio->bi_iter.bi_size);  in kcryptd_crypt_write_convert()
2056 	if (unlikely(!clone)) {  in kcryptd_crypt_write_convert()
2061 	io->ctx.bio_out = clone;  in kcryptd_crypt_write_convert()
2062 	io->ctx.iter_out = clone->bi_iter;  in kcryptd_crypt_write_convert()
2064 	sector += bio_sectors(clone);  in kcryptd_crypt_write_convert()