162                 Some(upper_inode),  in make_overlayfs()
176                     mnt: Arc::new(OvlInode::new(dir.clone(), None, Some(lower_inode))),  in make_overlayfs()
212             Some(&self.redirect)  in ovl_lower_redirect()
221         if let Some(ref upper_inode) = *upper_inode {  in create_whiteout()
230             *upper_inode = Some(new_inode);  in create_whiteout()
244         if let Some(ref upper_inode) = *upper_inode {  in has_whiteout()
246                 if let Some(ovl_inode) = inode.as_any_ref().downcast_ref::<OvlInode>() {  in has_whiteout()
263         if let Some(ref upper_inode) = *self.upper_inode.lock() {  in read_at()
267         if let Some(lower_inode) = &self.lower_inode {  in read_at()
284         if let Some(ref upper_inode) = *self.upper_inode.lock() {  in write_at()
296         if let Some(ref upper_inode) = *self.upper_inode.lock() {  in metadata()
300         if let Some(ref lower_inode) = self.lower_inode {  in metadata()
313         if let Some(ref upper_inode) = *upper_inode {  in list()
317         if let Some(lower_inode) = &self.lower_inode {  in list()
334         if let Some(ref upper_inode) = *self.upper_inode.lock() {  in mkdir()
343         if let Some(ref upper_inode) = *upper_inode {  in rmdir()
345         } else if let Some(lower_inode) = &self.lower_inode {  in rmdir()
360         if let Some(ref upper_inode) = *upper_inode {  in unlink()
362         } else if let Some(lower_inode) = &self.lower_inode {  in unlink()
380         if let Some(ref upper_inode) = *self.upper_inode.lock() {  in link()
393         if let Some(ref upper_inode) = *self.upper_inode.lock() {  in create()
402         if let Some(ref upper) = *upper_inode {  in find()
411         if let Some(lower) = &self.lower_inode {  in find()
427         if let Some(ref inode) = *upper_inode {  in mknod()