57 	struct dm_target *ti;  member
165 	return v->data_start + dm_target_offset(v->ti, bi_sector);  in verity_map_sector()
207 	struct mapped_device *md = dm_table_get_md(v->ti->table);  in verity_handle_err()
355 						   v->ti->per_bio_data_size);  in verity_verify_io()
457 	struct bio *bio = dm_bio_from_per_bio_data(io, v->ti->per_bio_data_size);  in verity_finish_io()
546 static int verity_map(struct dm_target *ti, struct bio *bio)  in verity_map()  argument
548 	struct dm_verity *v = ti->private;  in verity_map()
569 	io = dm_per_bio_data(bio, ti->per_bio_data_size);  in verity_map()
590 static void verity_status(struct dm_target *ti, status_type_t type,  in verity_status()  argument
593 	struct dm_verity *v = ti->private;  in verity_status()
637 static int verity_ioctl(struct dm_target *ti, unsigned cmd,  in verity_ioctl()  argument
640 	struct dm_verity *v = ti->private;  in verity_ioctl()
644 	    ti->len != i_size_read(v->data_dev->bdev->bd_inode) >> SECTOR_SHIFT)  in verity_ioctl()
651 static int verity_merge(struct dm_target *ti, struct bvec_merge_data *bvm,  in verity_merge()  argument
654 	struct dm_verity *v = ti->private;  in verity_merge()
666 static int verity_iterate_devices(struct dm_target *ti,  in verity_iterate_devices()  argument
669 	struct dm_verity *v = ti->private;  in verity_iterate_devices()
671 	return fn(ti, v->data_dev, v->data_start, ti->len, data);  in verity_iterate_devices()
674 static void verity_io_hints(struct dm_target *ti, struct queue_limits *limits)  in verity_io_hints()  argument
676 	struct dm_verity *v = ti->private;  in verity_io_hints()
687 static void verity_dtr(struct dm_target *ti)  in verity_dtr()  argument
689 	struct dm_verity *v = ti->private;  in verity_dtr()
709 		dm_put_device(ti, v->hash_dev);  in verity_dtr()
712 		dm_put_device(ti, v->data_dev);  in verity_dtr()
731 static int verity_ctr(struct dm_target *ti, unsigned argc, char **argv)  in verity_ctr()  argument
749 		ti->error = "Cannot allocate verity structure";  in verity_ctr()
752 	ti->private = v;  in verity_ctr()
753 	v->ti = ti;  in verity_ctr()
755 	if ((dm_table_get_mode(ti->table) & ~FMODE_READ)) {  in verity_ctr()
756 		ti->error = "Device must be readonly";  in verity_ctr()
762 		ti->error = "Not enough arguments";  in verity_ctr()
769 		ti->error = "Invalid version";  in verity_ctr()
775 	r = dm_get_device(ti, argv[1], FMODE_READ, &v->data_dev);  in verity_ctr()
777 		ti->error = "Data device lookup failed";  in verity_ctr()
781 	r = dm_get_device(ti, argv[2], FMODE_READ, &v->hash_dev);  in verity_ctr()
783 		ti->error = "Data device lookup failed";  in verity_ctr()
791 		ti->error = "Invalid data device block size";  in verity_ctr()
801 		ti->error = "Invalid hash device block size";  in verity_ctr()
810 		ti->error = "Invalid data blocks";  in verity_ctr()
816 	if (ti->len > (v->data_blocks << (v->data_dev_block_bits - SECTOR_SHIFT))) {  in verity_ctr()
817 		ti->error = "Data device is too small";  in verity_ctr()
825 		ti->error = "Invalid hash start";  in verity_ctr()
833 		ti->error = "Cannot allocate algorithm name";  in verity_ctr()
840 		ti->error = "Cannot initialize hash function";  in verity_ctr()
847 		ti->error = "Digest size too big";  in verity_ctr()
856 		ti->error = "Cannot allocate root digest";  in verity_ctr()
862 		ti->error = "Invalid root digest";  in verity_ctr()
871 			ti->error = "Cannot allocate salt";  in verity_ctr()
877 			ti->error = "Invalid salt";  in verity_ctr()
891 		r = dm_read_arg_group(_args, &as, &opt_params, &ti->error);  in verity_ctr()
899 				ti->error = "Not enough feature arguments";  in verity_ctr()
909 				ti->error = "Invalid feature arguments";  in verity_ctr()
927 		ti->error = "Too many tree levels";  in verity_ctr()
939 			ti->error = "Hash device offset overflow";  in verity_ctr()
951 		ti->error = "Cannot initialize dm-bufio";  in verity_ctr()
958 		ti->error = "Hash device is too small";  in verity_ctr()
963 …ti->per_bio_data_size = roundup(sizeof(struct dm_verity_io) + v->shash_descsize + v->digest_size *…  in verity_ctr()
968 		ti->error = "Cannot allocate vector mempool";  in verity_ctr()
976 		ti->error = "Cannot allocate workqueue";  in verity_ctr()
984 	verity_dtr(ti);  in verity_ctr()