148         return Ok(self.inner_inode.fs().root_inode().metadata()?.inode_id  in is_mountpoint_root()
149             == self.inner_inode.metadata()?.inode_id);  in is_mountpoint_root()
158         let inode_id = self.metadata().unwrap().inode_id;  in overlaid_inode()
208         if self.metadata()?.file_type != FileType::Dir {  in do_umount()
215             .remove(&self.inner_inode.metadata()?.inode_id)  in do_umount()
223         while current.metadata()?.inode_id != ROOT_INODE().metadata()?.inode_id {  in do_absolute_path()
310     fn metadata(&self) -> Result<super::Metadata, SystemError> {  in metadata()  method
311         return self.inner_inode.metadata();  in metadata()
315     fn set_metadata(&self, metadata: &super::Metadata) -> Result<(), SystemError> {  in set_metadata()
316         return self.inner_inode.set_metadata(metadata);  in set_metadata()
346         let inode_id = self.inner_inode.find(name)?.metadata()?.inode_id;  in unlink()
358         let inode_id = self.inner_inode.find(name)?.metadata()?.inode_id;  in rmdir()
435         let metadata = self.inner_inode.metadata()?;  in mount()  localVariable
436         if metadata.file_type != FileType::Dir {  in mount()
454             .insert(metadata.inode_id, new_mount_fs.clone());  in mount()
463         let metadata = self.metadata()?;  in mount_from()  localVariable
464         if from.metadata()?.file_type != FileType::Dir || metadata.file_type != FileType::Dir {  in mount_from()
475             .insert(metadata.inode_id, new_mount_fs.clone());  in mount_from()