From db53b597d4289286b92276e60dfac0dbe8a2261a Mon Sep 17 00:00:00 2001
From: Sebastian Messmer <messmer@cryfs.org>
Date: Wed, 23 Mar 2016 16:07:08 +0000
Subject: [PATCH] Handle renaming root directory correctly

---
 src/cryfs/filesystem/CryNode.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/cryfs/filesystem/CryNode.cpp b/src/cryfs/filesystem/CryNode.cpp
index 98115864..4a0be4f1 100644
--- a/src/cryfs/filesystem/CryNode.cpp
+++ b/src/cryfs/filesystem/CryNode.cpp
@@ -55,8 +55,7 @@ void CryNode::rename(const bf::path &to) {
   device()->callFsActionCallbacks();
   if (_parent == none) {
     //We are the root direcory.
-    //TODO What should we do?
-    throw FuseErrnoException(EIO);
+    throw FuseErrnoException(EBUSY);
   }
   //TODO More efficient implementation possible: directly rename when it's actually not moved to a different directory
   //     It's also quite ugly code because in the parent==targetDir case, it depends on _parent not overriding the changes made by targetDir.