From 35b248b06ac82fd911b3901e2afb0507fb866d1c Mon Sep 17 00:00:00 2001
From: Jeffrey Altman <jaltman@your-file-system.com>
Date: Fri, 22 Mar 2013 21:14:48 -0400
Subject: [PATCH] Windows: Create Symlinks in Volume Roots

Permit the CreateSymbolicLink API to create symlinks in volume
root directories.

Change-Id: I779f127f9a7e4ddfee41fe7a9398f20175843be0
Reviewed-on: http://gerrit.openafs.org/9656
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Tested-by: Jeffrey Altman <jaltman@your-file-system.com>
---
 src/WINNT/afsrdr/kernel/lib/AFSFSControl.cpp | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/WINNT/afsrdr/kernel/lib/AFSFSControl.cpp b/src/WINNT/afsrdr/kernel/lib/AFSFSControl.cpp
index 322b94b6f..92e8b3aa9 100644
--- a/src/WINNT/afsrdr/kernel/lib/AFSFSControl.cpp
+++ b/src/WINNT/afsrdr/kernel/lib/AFSFSControl.cpp
@@ -998,11 +998,19 @@ AFSProcessUserFsRequest( IN PIRP Irp)
                 AFSAcquireExcl( pCcb->DirectoryCB->ObjectInformation->VolumeCB->ObjectInfoTree.TreeLock,
                                 TRUE);
 
-                ullIndex = AFSCreateLowIndex( &pCcb->DirectoryCB->ObjectInformation->ParentFileId);
+                if ( AFSIsVolumeFID( &pCcb->DirectoryCB->ObjectInformation->ParentFileId))
+                {
+
+                    pParentObjectInfo = &pCcb->DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation;
+                }
+                else
+                {
+                    ullIndex = AFSCreateLowIndex( &pCcb->DirectoryCB->ObjectInformation->ParentFileId);
 
-                ntStatus = AFSLocateHashEntry( pCcb->DirectoryCB->ObjectInformation->VolumeCB->ObjectInfoTree.TreeHead,
-                                               ullIndex,
-                                               (AFSBTreeEntry **)&pParentObjectInfo);
+                    ntStatus = AFSLocateHashEntry( pCcb->DirectoryCB->ObjectInformation->VolumeCB->ObjectInfoTree.TreeHead,
+                                                   ullIndex,
+                                                   (AFSBTreeEntry **)&pParentObjectInfo);
+                }
 
                 if ( NT_SUCCESS( ntStatus))
                 {
-- 
2.39.5