114     pub fn umount(&self) -> Result<Arc<MountFS>, SystemError> {  in umount()
147     fn is_mountpoint_root(&self) -> Result<bool, SystemError> {  in is_mountpoint_root()
167     fn do_find(&self, name: &str) -> Result<Arc<MountFSInode>, SystemError> {  in do_find()
179     pub(super) fn do_parent(&self) -> Result<Arc<MountFSInode>, SystemError> {  in do_parent()
207     fn do_umount(&self) -> Result<Arc<MountFS>, SystemError> {  in do_umount()
219     fn do_absolute_path(&self) -> Result<String, SystemError> {  in do_absolute_path()
250     ) -> Result<(), SystemError> {  in open()  argument
254     fn close(&self, data: SpinLockGuard<FilePrivateData>) -> Result<(), SystemError> {  in close()  argument
264     ) -> Result<Arc<dyn IndexNode>, SystemError> {  in create_with_data()
275     fn truncate(&self, len: usize) -> Result<(), SystemError> {  in truncate()  argument
285     ) -> Result<usize, SystemError> {  in read_at()
295     ) -> Result<usize, SystemError> {  in write_at()
310     fn metadata(&self) -> Result<super::Metadata, SystemError> {  in metadata()
315     fn set_metadata(&self, metadata: &super::Metadata) -> Result<(), SystemError> {  in set_metadata()  argument
320     fn resize(&self, len: usize) -> Result<(), SystemError> {  in resize()  argument
330     ) -> Result<Arc<dyn IndexNode>, SystemError> {  in create()
339     fn link(&self, name: &str, other: &Arc<dyn IndexNode>) -> Result<(), SystemError> {  in link()  argument
345     fn unlink(&self, name: &str) -> Result<(), SystemError> {  in unlink()  argument
357     fn rmdir(&self, name: &str) -> Result<(), SystemError> {  in rmdir()  argument
376     ) -> Result<(), SystemError> {  in move_to()  argument
380     fn find(&self, name: &str) -> Result<Arc<dyn IndexNode>, SystemError> {  in find()
398     fn get_entry_name(&self, ino: InodeId) -> Result<alloc::string::String, SystemError> {  in get_entry_name()
406     ) -> Result<(alloc::string::String, super::Metadata), SystemError> {  in get_entry_name_and_metadata()
416     ) -> Result<usize, SystemError> {  in ioctl()
425     ) -> Result<usize, SystemError> {  in kernel_ioctl()
430     fn list(&self) -> Result<alloc::vec::Vec<alloc::string::String>, SystemError> {  in list()
434     fn mount(&self, fs: Arc<dyn FileSystem>) -> Result<Arc<MountFS>, SystemError> {  in mount()
462     fn mount_from(&self, from: Arc<dyn IndexNode>) -> Result<Arc<MountFS>, SystemError> {  in mount_from()
482     fn umount(&self) -> Result<Arc<MountFS>, SystemError> {  in umount()
489     fn absolute_path(&self) -> Result<String, SystemError> {  in absolute_path()
499     ) -> Result<Arc<dyn IndexNode>, SystemError> {  in mknod()
514     fn poll(&self, private_data: &FilePrivateData) -> Result<usize, SystemError> {  in poll()
522     fn dname(&self) -> Result<DName, SystemError> {  in dname()
531     fn parent(&self) -> Result<Arc<dyn IndexNode>, SystemError> {  in parent()
740     fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {  in fmt()  argument