81     fn register_bultinin_device(&self) {  in register_bultinin_device()
97     pub fn register_device<T: DeviceINode>(&self, name: &str, device: Arc<T>) -> Result<(), i32> {  in register_device()
138     pub fn unregister_device<T: DeviceINode>(&self, name: &str, device: Arc<T>) -> Result<(), i32> {  in unregister_device()
233     pub fn add_dir(&self, name: &str) -> Result<(), i32> {  in add_dir()
250     pub fn add_dev(&self, name: &str, dev: Arc<dyn IndexNode>) -> Result<(), i32> {  in add_dev()
261     pub fn remove(&self, name: &str) -> Result<(), i32> {  in remove()
273     fn do_create_with_data(&self, mut guard: SpinLockGuard<DevFSInode>,_name: &str,  in do_create_with_data()
325     fn open(&self, _data: &mut super::vfs::FilePrivateData) -> Result<(), i32> {  in open()
329     fn close(&self, _data: &mut super::vfs::FilePrivateData) -> Result<(), i32> {  in close()
334         &self,  in create_with_data()
346     fn find(&self, name: &str) -> Result<Arc<dyn IndexNode>, i32> {  in find()
371     fn get_entry_name(&self, ino: super::vfs::InodeId) -> Result<String, i32> {  in get_entry_name()
403     fn ioctl(&self, _cmd: u32, _data: usize) -> Result<usize, i32> {  in ioctl()
425     fn set_metadata(&self, metadata: &Metadata) -> Result<(), i32> {  in set_metadata()
453         &self,  in read_at()
464         &self,  in write_at()
476     fn set_fs(&self, fs: Weak<DevFS>);  in set_fs()