1271 static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone);
1293 	struct bio *clone;  in crypt_alloc_buffer()  local
1303 	clone = bio_alloc_bioset(GFP_NOIO, nr_iovecs, &cc->bs);  in crypt_alloc_buffer()
1304 	if (!clone)  in crypt_alloc_buffer()
1307 	clone_init(io, clone);  in crypt_alloc_buffer()
1314 			crypt_free_buffer_pages(cc, clone);  in crypt_alloc_buffer()
1315 			bio_put(clone);  in crypt_alloc_buffer()
1322 		bio_add_page(clone, page, len, 0);  in crypt_alloc_buffer()
1328 	if (dm_crypt_integrity_io_alloc(io, clone)) {  in crypt_alloc_buffer()
1329 		crypt_free_buffer_pages(cc, clone);  in crypt_alloc_buffer()
1330 		bio_put(clone);  in crypt_alloc_buffer()
1331 		clone = NULL;  in crypt_alloc_buffer()
1337 	return clone;  in crypt_alloc_buffer()
1340 static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone)  in crypt_free_buffer_pages()  argument
1345 	bio_for_each_segment_all(bv, clone, iter_all) {  in crypt_free_buffer_pages()
1411 static void crypt_endio(struct bio *clone)  in crypt_endio()  argument
1413 	struct dm_crypt_io *io = clone->bi_private;  in crypt_endio()
1415 	unsigned rw = bio_data_dir(clone);  in crypt_endio()
1422 		crypt_free_buffer_pages(cc, clone);  in crypt_endio()
1424 	error = clone->bi_status;  in crypt_endio()
1425 	bio_put(clone);  in crypt_endio()
1438 static void clone_init(struct dm_crypt_io *io, struct bio *clone)  in clone_init()  argument
1442 	clone->bi_private = io;  in clone_init()
1443 	clone->bi_end_io  = crypt_endio;  in clone_init()
1444 	bio_set_dev(clone, cc->dev->bdev);  in clone_init()
1445 	clone->bi_opf	  = io->base_bio->bi_opf;  in clone_init()
1451 	struct bio *clone;  in kcryptd_io_read()  local
1459 	clone = bio_clone_fast(io->base_bio, gfp, &cc->bs);  in kcryptd_io_read()
1460 	if (!clone)  in kcryptd_io_read()
1465 	clone_init(io, clone);  in kcryptd_io_read()
1466 	clone->bi_iter.bi_sector = cc->start + io->sector;  in kcryptd_io_read()
1468 	if (dm_crypt_integrity_io_alloc(io, clone)) {  in kcryptd_io_read()
1470 		bio_put(clone);  in kcryptd_io_read()
1474 	generic_make_request(clone);  in kcryptd_io_read()
1498 	struct bio *clone = io->ctx.bio_out;  in kcryptd_io_write()  local
1500 	generic_make_request(clone);  in kcryptd_io_write()
1559 	struct bio *clone = io->ctx.bio_out;  in kcryptd_crypt_write_io_submit()  local
1566 		crypt_free_buffer_pages(cc, clone);  in kcryptd_crypt_write_io_submit()
1567 		bio_put(clone);  in kcryptd_crypt_write_io_submit()
1575 	clone->bi_iter.bi_sector = cc->start + io->sector;  in kcryptd_crypt_write_io_submit()
1578 		generic_make_request(clone);  in kcryptd_crypt_write_io_submit()
1603 	struct bio *clone;  in kcryptd_crypt_write_convert()  local
1614 	clone = crypt_alloc_buffer(io, io->base_bio->bi_iter.bi_size);  in kcryptd_crypt_write_convert()
1615 	if (unlikely(!clone)) {  in kcryptd_crypt_write_convert()
1620 	io->ctx.bio_out = clone;  in kcryptd_crypt_write_convert()
1621 	io->ctx.iter_out = clone->bi_iter;  in kcryptd_crypt_write_convert()
1623 	sector += bio_sectors(clone);  in kcryptd_crypt_write_convert()