968 static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone);
990 	struct bio *clone;  in crypt_alloc_buffer()  local
1001 	clone = bio_alloc_bioset(GFP_NOIO, nr_iovecs, cc->bs);  in crypt_alloc_buffer()
1002 	if (!clone)  in crypt_alloc_buffer()
1005 	clone_init(io, clone);  in crypt_alloc_buffer()
1012 			crypt_free_buffer_pages(cc, clone);  in crypt_alloc_buffer()
1013 			bio_put(clone);  in crypt_alloc_buffer()
1020 		bvec = &clone->bi_io_vec[clone->bi_vcnt++];  in crypt_alloc_buffer()
1025 		clone->bi_iter.bi_size += len;  in crypt_alloc_buffer()
1034 	return clone;  in crypt_alloc_buffer()
1037 static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone)  in crypt_free_buffer_pages()  argument
1042 	bio_for_each_segment_all(bv, clone, i) {  in crypt_free_buffer_pages()
1102 static void crypt_endio(struct bio *clone)  in crypt_endio()  argument
1104 	struct dm_crypt_io *io = clone->bi_private;  in crypt_endio()
1106 	unsigned rw = bio_data_dir(clone);  in crypt_endio()
1113 		crypt_free_buffer_pages(cc, clone);  in crypt_endio()
1115 	error = clone->bi_error;  in crypt_endio()
1116 	bio_put(clone);  in crypt_endio()
1129 static void clone_init(struct dm_crypt_io *io, struct bio *clone)  in clone_init()  argument
1133 	clone->bi_private = io;  in clone_init()
1134 	clone->bi_end_io  = crypt_endio;  in clone_init()
1135 	clone->bi_bdev    = cc->dev->bdev;  in clone_init()
1136 	clone->bi_rw      = io->base_bio->bi_rw;  in clone_init()
1142 	struct bio *clone;  in kcryptd_io_read()  local
1150 	clone = bio_clone_fast(io->base_bio, gfp, cc->bs);  in kcryptd_io_read()
1151 	if (!clone)  in kcryptd_io_read()
1156 	clone_init(io, clone);  in kcryptd_io_read()
1157 	clone->bi_iter.bi_sector = cc->start + io->sector;  in kcryptd_io_read()
1159 	generic_make_request(clone);  in kcryptd_io_read()
1183 	struct bio *clone = io->ctx.bio_out;  in kcryptd_io_write()  local
1185 	generic_make_request(clone);  in kcryptd_io_write()
1247 	struct bio *clone = io->ctx.bio_out;  in kcryptd_crypt_write_io_submit()  local
1254 		crypt_free_buffer_pages(cc, clone);  in kcryptd_crypt_write_io_submit()
1255 		bio_put(clone);  in kcryptd_crypt_write_io_submit()
1263 	clone->bi_iter.bi_sector = cc->start + io->sector;  in kcryptd_crypt_write_io_submit()
1266 		generic_make_request(clone);  in kcryptd_crypt_write_io_submit()
1291 	struct bio *clone;  in kcryptd_crypt_write_convert()  local
1302 	clone = crypt_alloc_buffer(io, io->base_bio->bi_iter.bi_size);  in kcryptd_crypt_write_convert()
1303 	if (unlikely(!clone)) {  in kcryptd_crypt_write_convert()
1308 	io->ctx.bio_out = clone;  in kcryptd_crypt_write_convert()
1309 	io->ctx.iter_out = clone->bi_iter;  in kcryptd_crypt_write_convert()
1311 	sector += bio_sectors(clone);  in kcryptd_crypt_write_convert()