192 		struct dm_target *tgt = t->targets + i;  in dm_table_destroy()  local
194 		if (tgt->type->dtr)  in dm_table_destroy()
195 			tgt->type->dtr(tgt);  in dm_table_destroy()
197 		dm_put_target_type(tgt->type);  in dm_table_destroy()
646 	struct dm_target *tgt;  in dm_table_add_target()  local
656 	tgt = t->targets + t->num_targets;  in dm_table_add_target()
657 	memset(tgt, 0, sizeof(*tgt));  in dm_table_add_target()
664 	tgt->type = dm_get_target_type(type);  in dm_table_add_target()
665 	if (!tgt->type) {  in dm_table_add_target()
670 	if (dm_target_needs_singleton(tgt->type)) {  in dm_table_add_target()
672 			tgt->error = "singleton target type must appear alone in table";  in dm_table_add_target()
678 	if (dm_target_always_writeable(tgt->type) && !(t->mode & FMODE_WRITE)) {  in dm_table_add_target()
679 		tgt->error = "target type may not be included in a read-only table";  in dm_table_add_target()
684 		if (t->immutable_target_type != tgt->type) {  in dm_table_add_target()
685 			tgt->error = "immutable target type cannot be mixed with other target types";  in dm_table_add_target()
688 	} else if (dm_target_is_immutable(tgt->type)) {  in dm_table_add_target()
690 			tgt->error = "immutable target type cannot be mixed with other target types";  in dm_table_add_target()
693 		t->immutable_target_type = tgt->type;  in dm_table_add_target()
696 	if (dm_target_has_integrity(tgt->type))  in dm_table_add_target()
699 	tgt->table = t;  in dm_table_add_target()
700 	tgt->begin = start;  in dm_table_add_target()
701 	tgt->len = len;  in dm_table_add_target()
702 	tgt->error = "Unknown error";  in dm_table_add_target()
707 	if (!adjoin(t, tgt)) {  in dm_table_add_target()
708 		tgt->error = "Gap in table";  in dm_table_add_target()
714 		tgt->error = "couldn't split parameters (insufficient memory)";  in dm_table_add_target()
718 	r = tgt->type->ctr(tgt, argc, argv);  in dm_table_add_target()
723 	t->highs[t->num_targets++] = tgt->begin + tgt->len - 1;  in dm_table_add_target()
725 	if (!tgt->num_discard_bios && tgt->discards_supported)  in dm_table_add_target()
732 	DMERR("%s: %s: %s", dm_device_name(t->md), type, tgt->error);  in dm_table_add_target()
733 	dm_put_target_type(tgt->type);  in dm_table_add_target()
867 	struct dm_target *tgt;  in dm_table_determine_type()  local
883 		tgt = t->targets + i;  in dm_table_determine_type()
884 		if (dm_target_hybrid(tgt))  in dm_table_determine_type()
886 		else if (dm_target_request_based(tgt))  in dm_table_determine_type()
948 	tgt = dm_table_get_immutable_target(t);  in dm_table_determine_type()
949 	if (!tgt) {  in dm_table_determine_type()
952 	} else if (tgt->max_io_len) {  in dm_table_determine_type()
958 	if (!tgt->type->iterate_devices ||  in dm_table_determine_type()
959 	    !tgt->type->iterate_devices(tgt, device_is_rq_stackable, NULL)) {  in dm_table_determine_type()