atomic_dec(&inotify_watches);
static void remove_watch_no_event(struct inotify_watch *watch,				  struct inotify_device *dev){	list_del(&watch->i_list);	list_del(&watch->d_list);	atomic_dec(&dev->user->inotify_watches);	idr_remove(&dev->idr, watch->wd);	put_inotify_watch(watch);}