102     ) -> Result<(), SystemError> {  in register_device()  argument
153     ) -> Result<(), SystemError> {  in unregister_device()  argument
248     pub fn add_dir(&self, name: &str) -> Result<(), SystemError> {  in add_dir()  argument
265     pub fn add_dev(&self, name: &str, dev: Arc<dyn IndexNode>) -> Result<(), SystemError> {  in add_dev()  argument
276     pub fn remove(&self, name: &str) -> Result<(), SystemError> {  in remove()  argument
295     ) -> Result<Arc<dyn IndexNode>, SystemError> {  in do_create_with_data()
347     ) -> Result<(), SystemError> {  in open()  argument
351     fn close(&self, _data: &mut super::vfs::FilePrivateData) -> Result<(), SystemError> {  in close()  argument
361     ) -> Result<Arc<dyn IndexNode>, SystemError> {  in create_with_data()
368     fn find(&self, name: &str) -> Result<Arc<dyn IndexNode>, SystemError> {  in find()
393     fn get_entry_name(&self, ino: super::vfs::InodeId) -> Result<String, SystemError> {  in get_entry_name()
425     fn ioctl(&self, _cmd: u32, _data: usize) -> Result<usize, SystemError> {  in ioctl()
429     fn list(&self) -> Result<Vec<String>, SystemError> {  in list()
443     fn metadata(&self) -> Result<Metadata, SystemError> {  in metadata()
447     fn set_metadata(&self, metadata: &Metadata) -> Result<(), SystemError> {  in set_metadata()  argument
459     fn poll(&self) -> Result<super::vfs::PollStatus, SystemError> {  in poll()
478     ) -> Result<usize, SystemError> {  in read_at()
490     ) -> Result<usize, SystemError> {  in write_at()
504         let devfs_inode: Result<Arc<dyn IndexNode>, SystemError> = ROOT_INODE().find("dev");
523 pub fn devfs_register<T: DeviceINode>(name: &str, device: Arc<T>) -> Result<(), SystemError> {  in devfs_register()  argument
529 pub fn devfs_unregister<T: DeviceINode>(name: &str, device: Arc<T>) -> Result<(), SystemError> {  in devfs_unregister()  argument