112     children: HashMap<String, Arc<LockedFATInode>>,  field
154                 if let Some(entry) = self.children.get(&search_name) {  in find()
170                 self.children.insert(search_name, entry_inode.clone());  in find()
202             children: HashMap::new(),  in new()
353             children: HashMap::new(),  in new()
1568                     if !guard.children.contains_key(&search_name)  in list()
1581                         guard.children.insert(search_name, entry_inode.clone());  in list()
1617         let nod = guard.children.remove(&to_search_name(name));  in unlink()
1652         guard.children.remove(&to_search_name(name));  in rmdir()
1675                     guard.children.insert(to_search_name(name), target.clone());  in rmdir()
1713             let _nod = guard.children.remove(&to_search_name(old_name));  in move_to()
1750             let _nod = old_guard.children.remove(&to_search_name(old_name));  in move_to()
1772                     .children  in get_entry_name()
1833         inode.children.insert(to_search_name(filename), nod.clone());  in mknod()