247 		struct dm_target *tgt = t->targets + i;  in dm_table_destroy()  local
249 		if (tgt->type->dtr)  in dm_table_destroy()
250 			tgt->type->dtr(tgt);  in dm_table_destroy()
252 		dm_put_target_type(tgt->type);  in dm_table_destroy()
716 	struct dm_target *tgt;  in dm_table_add_target()  local
726 	tgt = t->targets + t->num_targets;  in dm_table_add_target()
727 	memset(tgt, 0, sizeof(*tgt));  in dm_table_add_target()
734 	tgt->type = dm_get_target_type(type);  in dm_table_add_target()
735 	if (!tgt->type) {  in dm_table_add_target()
740 	if (dm_target_needs_singleton(tgt->type)) {  in dm_table_add_target()
742 			tgt->error = "singleton target type must appear alone in table";  in dm_table_add_target()
748 	if (dm_target_always_writeable(tgt->type) && !(t->mode & FMODE_WRITE)) {  in dm_table_add_target()
749 		tgt->error = "target type may not be included in a read-only table";  in dm_table_add_target()
754 		if (t->immutable_target_type != tgt->type) {  in dm_table_add_target()
755 			tgt->error = "immutable target type cannot be mixed with other target types";  in dm_table_add_target()
758 	} else if (dm_target_is_immutable(tgt->type)) {  in dm_table_add_target()
760 			tgt->error = "immutable target type cannot be mixed with other target types";  in dm_table_add_target()
763 		t->immutable_target_type = tgt->type;  in dm_table_add_target()
766 	if (dm_target_has_integrity(tgt->type))  in dm_table_add_target()
769 	tgt->table = t;  in dm_table_add_target()
770 	tgt->begin = start;  in dm_table_add_target()
771 	tgt->len = len;  in dm_table_add_target()
772 	tgt->error = "Unknown error";  in dm_table_add_target()
777 	if (!adjoin(t, tgt)) {  in dm_table_add_target()
778 		tgt->error = "Gap in table";  in dm_table_add_target()
784 		tgt->error = "couldn't split parameters (insufficient memory)";  in dm_table_add_target()
788 	r = tgt->type->ctr(tgt, argc, argv);  in dm_table_add_target()
793 	t->highs[t->num_targets++] = tgt->begin + tgt->len - 1;  in dm_table_add_target()
795 	if (!tgt->num_discard_bios && tgt->discards_supported)  in dm_table_add_target()
802 	DMERR("%s: %s: %s", dm_device_name(t->md), type, tgt->error);  in dm_table_add_target()
803 	dm_put_target_type(tgt->type);  in dm_table_add_target()
937 	struct dm_target *tgt;  in dm_table_determine_type()  local
953 		tgt = t->targets + i;  in dm_table_determine_type()
954 		if (dm_target_hybrid(tgt))  in dm_table_determine_type()
956 		else if (dm_target_request_based(tgt))  in dm_table_determine_type()
989 			tgt = dm_table_get_immutable_target(t);  in dm_table_determine_type()
990 			if (tgt && !tgt->max_io_len && dm_table_does_not_support_partial_completion(t)) {  in dm_table_determine_type()
1034 	tgt = dm_table_get_immutable_target(t);  in dm_table_determine_type()
1035 	if (!tgt) {  in dm_table_determine_type()
1038 	} else if (tgt->max_io_len) {  in dm_table_determine_type()
1044 	if (!tgt->type->iterate_devices ||  in dm_table_determine_type()
1045 	    !tgt->type->iterate_devices(tgt, device_is_rq_based, &v)) {  in dm_table_determine_type()