48 pub extern "C" fn vfs_init() -> i32 {  in vfs_init()
102 ) -> Result<(), i32> {  in do_migrate()  argument
120 fn migrate_virtual_filesystem(new_fs: Arc<dyn FileSystem>) -> Result<(), i32> {  in migrate_virtual_filesystem()  argument
153 pub extern "C" fn mount_root_fs() -> i32 {  in mount_root_fs()
163     let fatfs: Result<Arc<FATFileSystem>, i32> = FATFileSystem::new(partiton);  in mount_root_fs()
187 pub fn do_open(path: &str, mode: FileMode) -> Result<i32, i32> {  in do_open()  argument
190         return Err(-(ENAMETOOLONG as i32));  in do_open()
193     let inode: Result<Arc<dyn IndexNode>, i32> = ROOT_INODE().lookup(path);  in do_open()
200             && errno == -(ENOENT as i32)  in do_open()
220         return Err(-(ENOTDIR as i32));  in do_open()
250 pub fn do_read(fd: i32, buf: &mut [u8]) -> Result<usize, i32> {  in do_read()  argument
253         return Err(-(EBADF as i32));  in do_read()
267 pub fn do_write(fd: i32, buf: &[u8]) -> Result<usize, i32> {  in do_write()  argument
270         return Err(-(EBADF as i32));  in do_write()
284 pub fn do_lseek(fd: i32, seek: SeekFrom) -> Result<usize, i32> {  in do_lseek()  argument
287         return Err(-(EBADF as i32));  in do_lseek()
294 pub fn do_mkdir(path: &str, _mode: FileMode) -> Result<u64, i32> {  in do_mkdir()  argument
297         return Err(-(ENAMETOOLONG as i32));  in do_mkdir()
300     let inode: Result<Arc<dyn IndexNode>, i32> = ROOT_INODE().lookup(path);  in do_mkdir()
305         if errno == -(ENOENT as i32) {  in do_mkdir()
323 pub fn do_remove_dir(path: &str) -> Result<u64, i32> {  in do_remove_dir()  argument
326         return Err(-(ENAMETOOLONG as i32));  in do_remove_dir()
329     let inode: Result<Arc<dyn IndexNode>, i32> = ROOT_INODE().lookup(path);  in do_remove_dir()
334         if errno == -(ENOENT as i32) {  in do_remove_dir()
335             return Err(-(ENOENT as i32));  in do_remove_dir()
344         return Err(-(ENOTDIR as i32));  in do_remove_dir()
349         return Err(-(ENOTDIR as i32));  in do_remove_dir()
359 pub fn do_unlink_at(path: &str, _mode: FileMode) -> Result<u64, i32> {  in do_unlink_at()  argument
362         return Err(-(ENAMETOOLONG as i32));  in do_unlink_at()
365     let inode: Result<Arc<dyn IndexNode>, i32> = ROOT_INODE().lookup(path);  in do_unlink_at()
370         if errno == -(ENOENT as i32) {  in do_unlink_at()
371             return Err(-(ENOENT as i32));  in do_unlink_at()
376         return Err(-(EPERM as i32));  in do_unlink_at()
384         return Err(-(ENOTDIR as i32));  in do_unlink_at()