removed decrementing refcount for cwd

Author: lind

src/safeposix/filesystem.rs

@@ -636,22 +636,3 @@ pub fn incref_root() {
         panic!("Root directory inode was not a directory");
     }
 }
-
-pub fn decref_dir(cwd_container: &interface::RustPathBuf) {
-    if let Some(cwdinodenum) = metawalk(&cwd_container) {
-        if let Inode::Dir(ref mut cwddir) = *(FS_METADATA.inodetable.get_mut(&cwdinodenum).unwrap())
-        {
-            cwddir.refcount -= 1;
-
-            //if the directory has been removed but this cwd was the last open handle to it
-            if cwddir.refcount == 0 && cwddir.linkcount == 0 {
-                FS_METADATA.inodetable.remove(&cwdinodenum);
-            }
-        } else {
-            panic!("Cage had a cwd that was not a directory!");
-        }
-    } else {
-        panic!("Cage had a cwd which did not exist!");
-    } //we probably want to handle this case, maybe cwd should be an inode
-      // number?? Not urgent
-}