int dm_open_count(struct mapped_device *md);
int dm_lock_for_deletion(struct mapped_device *md);
-void dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
- unsigned cookie);
+int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action,
+ unsigned cookie);
int dm_io_init(void);
void dm_io_exit(void);