125     fn find(&mut self, name: &str) -> Result<Arc<LockedFATInode>, i32> {  in find()  argument
155                 return Err(-(ENOTDIR as i32));  in find()
246     pub fn new(partition: Arc<Partition>) -> Result<Arc<FATFileSystem>, i32> {  in new()  argument
276                     return Err(-(EINVAL as i32));  in new()
345     pub fn get_fat_entry(&self, cluster: Cluster) -> Result<FATEntry, i32> {  in get_fat_entry()  argument
440     pub fn get_fat_entry_raw(&self, cluster: Cluster) -> Result<u64, i32> {  in get_fat_entry_raw()  argument
541     pub fn allocate_cluster(&self, prev_cluster: Option<Cluster>) -> Result<Cluster, i32> {  in allocate_cluster()  argument
589     pub fn deallocate_cluster_chain(&self, start_cluster: Cluster) -> Result<(), i32> {  in deallocate_cluster_chain()  argument
600     pub fn deallocate_cluster(&self, cluster: Cluster) -> Result<(), i32> {  in deallocate_cluster()  argument
613             return Err(-(EFAULT as i32));  in deallocate_cluster()
767     pub fn is_shut_bit_ok(&mut self) -> Result<bool, i32> {  in is_shut_bit_ok()  argument
790     pub fn is_hard_error_bit_ok(&mut self) -> Result<bool, i32> {  in is_hard_error_bit_ok()  argument
809     pub fn set_shut_bit_ok(&mut self) -> Result<(), i32> {  in set_shut_bit_ok()  argument
832     pub fn set_hard_error_bit_ok(&mut self) -> Result<(), i32> {  in set_hard_error_bit_ok()  argument
850     pub fn umount(&mut self) -> Result<(), i32> {  in umount()  argument
908     ) -> Result<Cluster, i32> {  in get_free_cluster()  argument
948                         return Err(-(ENOSPC as i32));  in get_free_cluster()
990                 return Err(-(ENOSPC as i32));  in get_free_cluster()
1022                 return Err(-(ENOSPC as i32));  in get_free_cluster()
1031     pub fn set_entry(&self, cluster: Cluster, fat_entry: FATEntry) -> Result<(), i32> {  in set_entry()  argument
1131                         return Err(-(EPERM as i32));  in set_entry()
1161     pub fn zero_cluster(&self, cluster: Cluster) -> Result<(), i32> {  in zero_cluster()  argument
1200     ) -> Result<Self, i32> {  in new()  argument
1228             return Err(-(EINVAL as i32));  in new()
1267     pub fn update_free_count_delta(&mut self, delta: i32) {  in update_free_count_delta()  argument
1268         self.free_count = (self.free_count as i32 + delta) as u32;  in update_free_count_delta()
1291     pub fn flush(&self, partition: &Arc<Partition>) -> Result<(), i32> {  in flush()  argument
1320     pub fn update(&mut self, partition: Arc<Partition>) -> Result<(), i32> {  in update()  argument
1351     ) -> Result<usize, i32> {  in read_at()  argument
1364                 return Err(-(EISDIR as i32));  in read_at()
1368                 return Err(-(EROFS as i32));  in read_at()
1379     ) -> Result<usize, i32> {  in write_at()  argument
1390                 return Err(-(EISDIR as i32));  in write_at()
1394                 return Err(-(EROFS as i32));  in write_at()
1399     fn poll(&self) -> Result<PollStatus, i32> {  in poll()  argument
1405             return Err(-(EISDIR as i32));  in poll()
1418     ) -> Result<Arc<dyn IndexNode>, i32> {  in create()  argument
1426                 return Err(-(ENOTDIR as i32));  in create()
1438                 FileType::SymLink => return Err(-(ENOTSUP as i32)),  in create()
1439                 _ => return Err(-(EINVAL as i32)),  in create()
1443                 return Err(-(EROFS as i32));  in create()
1456     fn metadata(&self) -> Result<Metadata, i32> {  in metadata()  argument
1460     fn list(&self) -> Result<Vec<String>, i32> {  in list()  argument
1465                 return Err(-(ENOTDIR as i32));  in list()
1498                 return Err(-(EROFS as i32));  in list()
1503     fn find(&self, name: &str) -> Result<Arc<dyn IndexNode>, i32> {  in find()  argument
1509     fn open(&self, _data: &mut FilePrivateData) -> Result<(), i32> {  in open()  argument
1513     fn close(&self, _data: &mut FilePrivateData) -> Result<(), i32> {  in close()  argument
1517     fn unlink(&self, name: &str) -> Result<(), i32> {  in unlink()  argument
1527                 return Err(-(ENOTDIR as i32));  in unlink()
1532                 return Err(-(EROFS as i32));  in unlink()
1545     fn rmdir(&self, name: &str) -> Result<(), i32> {  in rmdir()  argument
1555                 return Err(-(ENOTDIR as i32));  in rmdir()
1560                 return Err(-(EROFS as i32));  in rmdir()
1567         let r: Result<(), i32> = dir.remove(guard.fs.upgrade().unwrap().clone(), name, true);  in rmdir()
1572             if r == -(ENOTEMPTY as i32) {  in rmdir()
1581     fn get_entry_name(&self, ino: InodeId) -> Result<String, i32> {  in get_entry_name()  argument
1584             return Err(-(ENOTDIR as i32));  in get_entry_name()
1604                     0=>{return Err(-(ENOENT as i32));}  in get_entry_name()