113     pub fn umount(&self) -> Result<Arc<MountFS>, SystemError> {  in umount()  argument
146     fn is_mountpoint_root(&self) -> Result<bool, SystemError> {  in is_mountpoint_root()  argument
166     fn do_find(&self, name: &str) -> Result<Arc<MountFSInode>, SystemError> {  in do_find()  argument
178     pub(super) fn do_parent(&self) -> Result<Arc<MountFSInode>, SystemError> {  in do_parent()  argument
206     fn do_umount(&self) -> Result<Arc<MountFS>, SystemError> {  in do_umount()  argument
218     fn do_absolute_path(&self, len: usize) -> Result<String, SystemError> {  in do_absolute_path()  argument
232     ) -> Result<(), SystemError> {  in open()  argument
236     fn close(&self, data: SpinLockGuard<FilePrivateData>) -> Result<(), SystemError> {  in close()  argument
246     ) -> Result<Arc<dyn IndexNode>, SystemError> {  in create_with_data()  argument
257     fn truncate(&self, len: usize) -> Result<(), SystemError> {  in truncate()  argument
267     ) -> Result<usize, SystemError> {  in read_at()  argument
277     ) -> Result<usize, SystemError> {  in write_at()  argument
292     fn metadata(&self) -> Result<super::Metadata, SystemError> {  in metadata()  argument
297     fn set_metadata(&self, metadata: &super::Metadata) -> Result<(), SystemError> {  in set_metadata()  argument
302     fn resize(&self, len: usize) -> Result<(), SystemError> {  in resize()  argument
312     ) -> Result<Arc<dyn IndexNode>, SystemError> {  in create()  argument
321     fn link(&self, name: &str, other: &Arc<dyn IndexNode>) -> Result<(), SystemError> {  in link()  argument
327     fn unlink(&self, name: &str) -> Result<(), SystemError> {  in unlink()  argument
339     fn rmdir(&self, name: &str) -> Result<(), SystemError> {  in rmdir()  argument
358     ) -> Result<(), SystemError> {  in move_to()  argument
362     fn find(&self, name: &str) -> Result<Arc<dyn IndexNode>, SystemError> {  in find()  argument
380     fn get_entry_name(&self, ino: InodeId) -> Result<alloc::string::String, SystemError> {  in get_entry_name()  argument
388     ) -> Result<(alloc::string::String, super::Metadata), SystemError> {  in get_entry_name_and_metadata()  argument
398     ) -> Result<usize, SystemError> {  in ioctl()  argument
403     fn list(&self) -> Result<alloc::vec::Vec<alloc::string::String>, SystemError> {  in list()  argument
407     fn mount(&self, fs: Arc<dyn FileSystem>) -> Result<Arc<MountFS>, SystemError> {  in mount()  argument
435     fn mount_from(&self, from: Arc<dyn IndexNode>) -> Result<Arc<MountFS>, SystemError> {  in mount_from()  argument
455     fn umount(&self) -> Result<Arc<MountFS>, SystemError> {  in umount()  argument
462     fn absolute_path(&self) -> Result<String, SystemError> {  in absolute_path()  argument
472     ) -> Result<Arc<dyn IndexNode>, SystemError> {  in mknod()  argument
487     fn poll(&self, private_data: &FilePrivateData) -> Result<usize, SystemError> {  in poll()  argument
495     fn dname(&self) -> Result<DName, SystemError> {  in dname()  argument
504     fn parent(&self) -> Result<Arc<dyn IndexNode>, SystemError> {  in parent()  argument