Windows: AFSLocateNameEntry OutVolumeCB can be NULL
[openafs.git] / src / WINNT / afsrdr / kernel / lib / AFSCreate.cpp
index df0555e..87415b3 100644 (file)
@@ -56,7 +56,7 @@ NTSTATUS
 AFSCreate( IN PDEVICE_OBJECT LibDeviceObject,
            IN PIRP Irp)
 {
-
+    UNREFERENCED_PARAMETER(LibDeviceObject);
     NTSTATUS ntStatus = STATUS_SUCCESS;
     IO_STACK_LOCATION  *pIrpSp;
     FILE_OBJECT        *pFileObject = NULL;
@@ -73,7 +73,7 @@ AFSCreate( IN PDEVICE_OBJECT LibDeviceObject,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSCreate (%08lX) Processing control device open request\n",
+                          "AFSCreate (%p) Processing control device open request\n",
                           Irp);
 
             ntStatus = AFSControlDeviceCreate( Irp);
@@ -86,7 +86,7 @@ AFSCreate( IN PDEVICE_OBJECT LibDeviceObject,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSCreate (%08lX) Invalid request to open before library is initialized\n",
+                          "AFSCreate (%p) Invalid request to open before library is initialized\n",
                           Irp);
 
             try_return( ntStatus = STATUS_DEVICE_NOT_READY);
@@ -138,14 +138,19 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
     AFSDeviceExt       *pDeviceExt = NULL;
     BOOLEAN             bOpenTargetDirectory = FALSE, bReleaseVolume = FALSE;
     PACCESS_MASK        pDesiredAccess = NULL;
-    UNICODE_STRING      uniComponentName, uniPathName, uniRootFileName, uniParsedFileName;
+    UNICODE_STRING      uniComponentName, uniRootFileName, uniParsedFileName;
     UNICODE_STRING      uniSubstitutedPathName;
     UNICODE_STRING      uniRelativeName;
     AFSNameArrayHdr    *pNameArray = NULL;
     AFSVolumeCB        *pVolumeCB = NULL;
+    LONG                VolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
+    AFSVolumeCB        *pNewVolumeCB = NULL;
+    LONG                NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
     AFSDirectoryCB     *pParentDirectoryCB = NULL, *pDirectoryCB = NULL;
+    AFSDirectoryCB     *pNewParentDirectoryCB = NULL;
+    BOOLEAN             bReleaseParentDir = FALSE, bReleaseDir = FALSE;
     ULONG               ulParseFlags = 0;
-    GUID                stAuthGroup;
+    GUID                stAuthGroup = {0};
     ULONG               ulNameProcessingFlags = 0;
     BOOLEAN             bOpenedReparsePoint = FALSE;
     LONG                lCount;
@@ -198,7 +203,7 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_WARNING,
-                          "AFSCommonCreate (%08lX) Open request after shutdown\n",
+                          "AFSCommonCreate (%p) Open request after shutdown\n",
                           Irp);
 
             try_return( ntStatus = STATUS_TOO_LATE);
@@ -242,7 +247,7 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           uniFileName.Length > 0 ? AFS_TRACE_LEVEL_ERROR : AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSCommonCreate (%08lX) Failed to parse name \"%wZ\" Status %08lX\n",
+                          "AFSCommonCreate (%p) Failed to parse name \"%wZ\" Status %08lX\n",
                           Irp,
                           &uniFileName,
                           ntStatus);
@@ -266,6 +271,12 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
             try_return( ntStatus);
         }
 
+        if ( pParentDirectoryCB != NULL)
+        {
+
+            bReleaseParentDir = TRUE;
+        }
+
         //
         // If the returned volume cb is NULL then we are dealing with the \\Server\GlobalRoot
         // name
@@ -317,6 +328,11 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                                              TRUE) == 0)
                 {
 
+                    //
+                    // AFSOpenIOCtlFcb does not free a DirOpenReferenceCount for
+                    // AFSGlobalRoot->DirectoryCB.
+                    //
+
                     ntStatus = AFSOpenIOCtlFcb( Irp,
                                                 &stAuthGroup,
                                                 AFSGlobalRoot->DirectoryCB,
@@ -332,23 +348,26 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                                       ntStatus);
                     }
                 }
-                else if( pParentDirectoryCB != NULL &&
-                         pParentDirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_SPECIAL_SHARE_NAME)
+                else if( pParentDirectoryCB != NULL)
                 {
 
-                    ntStatus = AFSOpenSpecialShareFcb( Irp,
-                                                       &stAuthGroup,
-                                                       pParentDirectoryCB,
-                                                       &pFcb,
-                                                       &pCcb);
-
-                    if( !NT_SUCCESS( ntStatus))
+                    if( pParentDirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_SPECIAL_SHARE_NAME)
                     {
 
-                        AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                                      AFS_TRACE_LEVEL_ERROR,
-                                      "AFSCommonCreate Failed to open special share Fcb Status %08lX\n",
-                                      ntStatus);
+                        ntStatus = AFSOpenSpecialShareFcb( Irp,
+                                                           &stAuthGroup,
+                                                           pParentDirectoryCB,
+                                                           &pFcb,
+                                                           &pCcb);
+
+                        if( !NT_SUCCESS( ntStatus))
+                        {
+
+                            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                                          AFS_TRACE_LEVEL_ERROR,
+                                          "AFSCommonCreate Failed to open special share Fcb Status %08lX\n",
+                                          ntStatus);
+                        }
                     }
                 }
 
@@ -366,16 +385,6 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                               AFS_TRACE_LEVEL_ERROR,
                               "AFSCommonCreate Failed to open root Status %08lX\n",
                               ntStatus);
-
-                lCount = InterlockedDecrement( &AFSGlobalRoot->DirectoryCB->OpenReferenceCount);
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate Decrement1 count on &wZ DE %p Ccb %p Cnt %d\n",
-                              &AFSGlobalRoot->DirectoryCB->NameInformation.FileName,
-                              AFSGlobalRoot->DirectoryCB,
-                              NULL,
-                              lCount);
             }
 
             try_return( ntStatus);
@@ -385,6 +394,8 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
         // We have a reference on the root volume
         //
 
+        VolumeReferenceReason = AFS_VOLUME_REFERENCE_PARSE_NAME;
+
         bReleaseVolume = TRUE;
 
         //
@@ -406,7 +417,7 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate (%08lX) Invalid name %wZ Status %08lX\n",
+                              "AFSCommonCreate (%p) Invalid name %wZ Status %08lX\n",
                               Irp,
                               &uniFileName,
                               ntStatus);
@@ -435,11 +446,78 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                                            &uniParsedFileName,
                                            pNameArray,
                                            ulNameProcessingFlags,
-                                           &pVolumeCB,
-                                           &pParentDirectoryCB,
+                                           pVolumeCB,
+                                           pParentDirectoryCB,
+                                           &pNewVolumeCB,
+                                           &NewVolumeReferenceReason,
+                                           &pNewParentDirectoryCB,
                                            &pDirectoryCB,
                                            &uniComponentName);
 
+            if ( pNewVolumeCB != NULL)
+            {
+
+                //
+                // AFSLocateNameEntry returns pNewVolumeCB with a reference held
+                // even if pVolumeCB == pNewVolumeCB.  It is always safe to release
+                // the reference on pVolumeCB that was held prior to the call.
+                // If pVolumeCB == pNewVolumeCB, the reference from AFSLocateNameEntry
+                // will be released second.
+                //
+
+                lCount = AFSVolumeDecrement( pVolumeCB,
+                                             VolumeReferenceReason);
+
+                AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
+                              AFS_TRACE_LEVEL_VERBOSE,
+                              "AFSCommonCreate Decrement count on volume %p Reason %u Cnt %d\n",
+                              pVolumeCB,
+                              VolumeReferenceReason,
+                              lCount);
+
+                pVolumeCB = pNewVolumeCB;
+
+                pNewVolumeCB = NULL;
+
+                VolumeReferenceReason = NewVolumeReferenceReason;
+
+                NewVolumeReferenceReason = AFS_VOLUME_REFERENCE_INVALID;
+
+                bReleaseVolume = (pVolumeCB != NULL);
+            }
+
+            //
+            // AFSLocateNameEntry does not alter the reference count of
+            // pParentDirectoryCB and it returns pNewParentDirectoryCB with
+            // a reference held.
+            //
+
+            if ( bReleaseParentDir)
+            {
+
+                lCount = InterlockedDecrement( &pParentDirectoryCB->DirOpenReferenceCount);
+
+                AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
+                              AFS_TRACE_LEVEL_VERBOSE,
+                              "AFSCommonCreate DecrementX count on %wZ DE %p Ccb %p Cnt %d\n",
+                              &pParentDirectoryCB->NameInformation.FileName,
+                              pParentDirectoryCB,
+                              pCcb,
+                              lCount);
+            }
+
+            pParentDirectoryCB = pNewParentDirectoryCB;
+
+            pNewParentDirectoryCB = NULL;
+
+            bReleaseParentDir = (pParentDirectoryCB != NULL);
+
+            if ( pDirectoryCB)
+            {
+
+                bReleaseDir = TRUE;
+            }
+
             if( !NT_SUCCESS( ntStatus) &&
                 ntStatus != STATUS_OBJECT_NAME_NOT_FOUND)
             {
@@ -450,23 +528,17 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                 }
 
                 //
-                // The routine above released the root while walking the
+                // AFSLocateNameEntry released the Parent while walking the
                 // branch
                 //
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate (%08lX) Failed to locate name entry for %wZ Status %08lX\n",
+                              "AFSCommonCreate (%p) Failed to locate name entry for %wZ Status %08lX\n",
                               Irp,
                               &uniFileName,
                               ntStatus);
 
-                //
-                // We released any root volume locks in the above on failure
-                //
-
-                bReleaseVolume = FALSE;
-
                 try_return( ntStatus);
             }
 
@@ -485,12 +557,6 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
 
                 Irp->IoStatus.Information = IO_REPARSE;
 
-                //
-                // We released the volume lock above
-                //
-
-                bReleaseVolume = FALSE;
-
                 try_return( ntStatus);
             }
 
@@ -517,6 +583,10 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                 pParentDirectoryCB != NULL)
             {
 
+                //
+                // pParentDirectoryCB DirOpenReferenceCount is still held
+                //
+
                 UNICODE_STRING uniFinalComponent;
 
                 uniFinalComponent.Length = 0;
@@ -535,7 +605,7 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                                   AFS_TRACE_LEVEL_VERBOSE,
-                                  "AFSCommonCreate (%08lX) Failing access to symlink %wZ Status %08lX\n",
+                                  "AFSCommonCreate (%p) Failing access to symlink %wZ Status %08lX\n",
                                   Irp,
                                   &uniFileName,
                                   ntStatus);
@@ -555,6 +625,18 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
         {
 
             pDirectoryCB = pVolumeCB->DirectoryCB;
+
+            lCount = InterlockedIncrement( &pDirectoryCB->DirOpenReferenceCount);
+
+            AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
+                          AFS_TRACE_LEVEL_VERBOSE,
+                          "AFSCommonCreate Increment0 count on %wZ DE %p Ccb %p Cnt %d\n",
+                          &pDirectoryCB->NameInformation.FileName,
+                          pDirectoryCB,
+                          pCcb,
+                          lCount);
+
+            bReleaseDir = TRUE;
         }
 
         if( bOpenTargetDirectory)
@@ -567,19 +649,25 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
             if( pDirectoryCB != NULL)
             {
 
-                //
-                // Perform in this order to prevent thrashing
-                //
+                if ( !bReleaseParentDir)
+                {
 
-                lCount = InterlockedIncrement( &pParentDirectoryCB->OpenReferenceCount);
+                    //
+                    // Perform in this order to prevent thrashing
+                    //
 
-                AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate Increment1 count on %wZ DE %p Ccb %p Cnt %d\n",
-                              &pParentDirectoryCB->NameInformation.FileName,
-                              pParentDirectoryCB,
-                              NULL,
-                              lCount);
+                    lCount = InterlockedIncrement( &pParentDirectoryCB->DirOpenReferenceCount);
+
+                    AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
+                                  AFS_TRACE_LEVEL_VERBOSE,
+                                  "AFSCommonCreate Increment1 count on %wZ DE %p Ccb %p Cnt %d\n",
+                                  &pParentDirectoryCB->NameInformation.FileName,
+                                  pParentDirectoryCB,
+                                  pCcb,
+                                  lCount);
+
+                    bReleaseParentDir = TRUE;
+                }
 
                 //
                 // Do NOT decrement the reference count on the pDirectoryCB yet.
@@ -608,21 +696,6 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                                                &uniComponentName,
                                                &pFcb,
                                                &pCcb);
-            if( pDirectoryCB != NULL)
-            {
-                //
-                // It is now safe to drop the Reference Count
-                //
-                lCount = InterlockedDecrement( &pDirectoryCB->OpenReferenceCount);
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
-                              &pDirectoryCB->NameInformation.FileName,
-                              pDirectoryCB,
-                              NULL,
-                              lCount);
-            }
 
             if( !NT_SUCCESS( ntStatus))
             {
@@ -632,20 +705,6 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                               "AFSCommonCreate Failed to open target directory %wZ Status %08lX\n",
                               &pParentDirectoryCB->NameInformation.FileName,
                               ntStatus);
-
-                //
-                // Decrement the reference on the parent
-                //
-
-                lCount = InterlockedDecrement( &pParentDirectoryCB->OpenReferenceCount);
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate Decrement3 count on %wZ DE %p Ccb %p Cnt %d\n",
-                              &pParentDirectoryCB->NameInformation.FileName,
-                              pParentDirectoryCB,
-                              NULL,
-                              lCount);
             }
 
             try_return( ntStatus);
@@ -659,7 +718,7 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
             {
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate (%08lX) Reparse open request but attribute not set for %wZ DirCB %p Type %08lX\n",
+                              "AFSCommonCreate (%p) Reparse open request but attribute not set for %wZ DirCB %p Type %08lX\n",
                               Irp,
                               &uniFileName,
                               pDirectoryCB,
@@ -669,7 +728,7 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
             {
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate (%08lX) Opening as reparse point %wZ Type %08lX\n",
+                              "AFSCommonCreate (%p) Opening as reparse point %wZ Type %08lX\n",
                               Irp,
                               &uniFileName,
                               pDirectoryCB->ObjectInformation->FileType);
@@ -688,28 +747,6 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
               pDirectoryCB == NULL))
         {
 
-            if ( pVolumeCB &&
-                 BooleanFlagOn( pVolumeCB->VolumeInformation.Characteristics, FILE_READ_ONLY_DEVICE))
-            {
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate ReadOnly Device on create Status %08lX\n",
-                              ntStatus);
-
-                InterlockedDecrement( &pParentDirectoryCB->OpenReferenceCount);
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate Decrement13 count on %wZ DE %p Ccb %p Cnt %d\n",
-                              &pParentDirectoryCB->NameInformation.FileName,
-                              pParentDirectoryCB,
-                              NULL,
-                              pParentDirectoryCB->OpenReferenceCount);
-
-                try_return( ntStatus = STATUS_MEDIA_WRITE_PROTECTED);
-            }
-
             if( uniComponentName.Length == 0 ||
                 pDirectoryCB != NULL)
             {
@@ -727,16 +764,6 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                                   "AFSCommonCreate Object name collision on create of %wZ Status %08lX\n",
                                   &pDirectoryCB->NameInformation.FileName,
                                   ntStatus);
-
-                    lCount = InterlockedDecrement( &pDirectoryCB->OpenReferenceCount);
-
-                    AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                                  AFS_TRACE_LEVEL_VERBOSE,
-                                  "AFSCommonCreate Decrement4 count on %wZ DE %p Ccb %p Cnt %d\n",
-                                  &pDirectoryCB->NameInformation.FileName,
-                                  pDirectoryCB,
-                                  NULL,
-                                  lCount);
                 }
                 else
                 {
@@ -745,16 +772,6 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                                   AFS_TRACE_LEVEL_VERBOSE,
                                   "AFSCommonCreate Object name collision on create Status %08lX\n",
                                   ntStatus);
-
-                    InterlockedDecrement( &pParentDirectoryCB->OpenReferenceCount);
-
-                    AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                                  AFS_TRACE_LEVEL_VERBOSE,
-                                  "AFSCommonCreate Decrement5 count on %wZ DE %p Ccb %p Cnt %d\n",
-                                  &pParentDirectoryCB->NameInformation.FileName,
-                                  pParentDirectoryCB,
-                                  NULL,
-                                  pParentDirectoryCB->OpenReferenceCount);
                 }
 
                 try_return( ntStatus = STATUS_OBJECT_NAME_COLLISION);
@@ -785,20 +802,6 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                               ntStatus);
             }
 
-            //
-            // Dereference the parent entry
-            //
-
-            lCount = InterlockedDecrement( &pParentDirectoryCB->OpenReferenceCount);
-
-            AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                          AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSCreate Decrement6 count on %wZ DE %p Ccb %p Cnt %d\n",
-                          &pParentDirectoryCB->NameInformation.FileName,
-                          pParentDirectoryCB,
-                          NULL,
-                          lCount);
-
             try_return( ntStatus);
         }
 
@@ -818,6 +821,11 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                                          TRUE) == 0)
             {
 
+                //
+                // AFSOpenIOCtlFcb does not free a DirOpenReferenceCount for
+                // pParentDirectoryCB.
+                //
+
                 ntStatus = AFSOpenIOCtlFcb( Irp,
                                             &stAuthGroup,
                                             pParentDirectoryCB,
@@ -839,48 +847,13 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate (%08lX) File %wZ name not found\n",
+                              "AFSCommonCreate (%p) File %wZ name not found\n",
                               Irp,
                               &uniFileName);
 
                 ntStatus = STATUS_OBJECT_NAME_NOT_FOUND;
             }
 
-            if( !NT_SUCCESS( ntStatus))
-            {
-
-                //
-                // Dereference the parent entry
-                //
-
-                if( pDirectoryCB != NULL)
-                {
-
-                    lCount = InterlockedDecrement( &pDirectoryCB->OpenReferenceCount);
-
-                    AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                                  AFS_TRACE_LEVEL_VERBOSE,
-                                  "AFSCommonCreate Decrement7a count on %wZ DE %p Ccb %p Cnt %d\n",
-                                  &pDirectoryCB->NameInformation.FileName,
-                                  pDirectoryCB,
-                                  NULL,
-                                  lCount);
-                }
-                else
-                {
-
-                    lCount = InterlockedDecrement( &pParentDirectoryCB->OpenReferenceCount);
-
-                    AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                                  AFS_TRACE_LEVEL_VERBOSE,
-                                  "AFSCommonCreate Decrement7b count on %wZ DE %p Ccb %p Cnt %d\n",
-                                  &pParentDirectoryCB->NameInformation.FileName,
-                                  pParentDirectoryCB,
-                                  NULL,
-                                  lCount);
-                }
-            }
-
             try_return( ntStatus);
         }
 
@@ -900,19 +873,9 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSCommonCreate (%08lX) Attempt to open root as delete on close\n",
+                              "AFSCommonCreate (%p) Attempt to open root as delete on close\n",
                               Irp);
 
-                lCount = InterlockedDecrement( &pDirectoryCB->OpenReferenceCount);
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate Decrement8 count on %wZ DE %p Ccb %p Cnt %d\n",
-                              &pDirectoryCB->NameInformation.FileName,
-                              pDirectoryCB,
-                              NULL,
-                              lCount);
-
                 try_return( ntStatus = STATUS_CANNOT_DELETE);
             }
 
@@ -925,19 +888,9 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSCommonCreate (%08lX) Attempt to open root as target directory\n",
+                              "AFSCommonCreate (%p) Attempt to open root as target directory\n",
                               Irp);
 
-                lCount = InterlockedDecrement( &pDirectoryCB->OpenReferenceCount);
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate Decrement9 count on %wZ DE %p Ccb %p Cnt %d\n",
-                              &pDirectoryCB->NameInformation.FileName,
-                              pDirectoryCB,
-                              NULL,
-                              lCount);
-
                 try_return( ntStatus = STATUS_INVALID_PARAMETER);
             }
 
@@ -960,16 +913,6 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                               pVolumeCB->ObjectInformation.FileId.Cell,
                               pVolumeCB->ObjectInformation.FileId.Volume,
                               ntStatus);
-
-                lCount = InterlockedDecrement( &pDirectoryCB->OpenReferenceCount);
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate Decrement10 count on %wZ DE %p Ccb %p Cnt %d\n",
-                              &pDirectoryCB->NameInformation.FileName,
-                              pDirectoryCB,
-                              NULL,
-                              lCount);
             }
 
             try_return( ntStatus);
@@ -984,7 +927,7 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSCommonCreate Failing access to %wZ\n",
+                          "AFSCommonCreate Failing access to %wZ Name not found\n",
                           &uniFileName);
 
             try_return( ntStatus = STATUS_OBJECT_NAME_NOT_FOUND);
@@ -1016,16 +959,6 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                               "AFSCommonCreate Failed overwrite/supersede on %wZ Status %08lX\n",
                               &pDirectoryCB->NameInformation.FileName,
                               ntStatus);
-
-                lCount = InterlockedDecrement( &pDirectoryCB->OpenReferenceCount);
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSCommonCreate Decrement11 count on %wZ DE %p Ccb %p Cnt %d\n",
-                              &pDirectoryCB->NameInformation.FileName,
-                              pDirectoryCB,
-                              NULL,
-                              lCount);
             }
 
             try_return( ntStatus);
@@ -1051,16 +984,6 @@ AFSCommonCreate( IN PDEVICE_OBJECT DeviceObject,
                           "AFSCommonCreate Failed open on %wZ Status %08lX\n",
                           &pDirectoryCB->NameInformation.FileName,
                           ntStatus);
-
-            lCount = InterlockedDecrement( &pDirectoryCB->OpenReferenceCount);
-
-            AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                          AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSCommonCreate Decrement12 count on %wZ DE %p Ccb %p Cnt %d\n",
-                          &pDirectoryCB->NameInformation.FileName,
-                          pDirectoryCB,
-                          NULL,
-                          lCount);
         }
 
 try_exit:
@@ -1111,15 +1034,17 @@ try_exit:
                     SetFlag( pCcb->Flags, CCB_FLAG_MASK_OPENED_REPARSE_POINT);
                 }
 
+                lCount = pCcb->DirectoryCB->DirOpenReferenceCount;
+
                 AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
                               "AFSCommonCreate Count on %wZ DE %p Ccb %p Cnt %d\n",
                               &pCcb->DirectoryCB->NameInformation.FileName,
                               pCcb->DirectoryCB,
                               pCcb,
-                              pCcb->DirectoryCB->OpenReferenceCount);
+                              lCount);
 
-                ASSERT( pCcb->DirectoryCB->OpenReferenceCount > 0);
+                ASSERT( lCount >= 0);
 
                 pCcb->CurrentDirIndex = 0;
 
@@ -1146,7 +1071,7 @@ try_exit:
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_VERBOSE_2,
-                          "AFSCommonCreate (%08lX) FileObject %08lX FsContext %08lX FsContext2 %08lX\n",
+                          "AFSCommonCreate (%p) FileObject %p FsContext %p FsContext2 %p\n",
                           Irp,
                           pFileObject,
                           pFcb,
@@ -1221,7 +1146,7 @@ try_exit:
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSCommonCreate (%08lX) Returning with NULL Fcb FileObject %08lX FsContext %08lX FsContext2 %08lX\n",
+                              "AFSCommonCreate (%p) Returning with NULL Fcb FileObject %p FsContext %p FsContext2 %p\n",
                               Irp,
                               pFileObject,
                               pFcb,
@@ -1236,7 +1161,7 @@ try_exit:
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSCommonCreate (%08lX) STATUS_REPARSE FileObject %08lX FsContext %08lX FsContext2 %08lX\n",
+                              "AFSCommonCreate (%p) STATUS_REPARSE FileObject %p FsContext %p FsContext2 %p\n",
                               Irp,
                               pFileObject,
                               pFcb,
@@ -1250,7 +1175,7 @@ try_exit:
             if( uniSubstitutedPathName.Buffer != NULL)
             {
 
-                AFSExFreePool( uniSubstitutedPathName.Buffer);
+                AFSExFreePoolWithTag( uniSubstitutedPathName.Buffer, 0);
 
                 ClearFlag( ulParseFlags, AFS_PARSE_FLAG_FREE_FILE_BUFFER);
             }
@@ -1269,19 +1194,61 @@ try_exit:
         if( BooleanFlagOn( ulParseFlags, AFS_PARSE_FLAG_FREE_FILE_BUFFER))
         {
 
-            AFSExFreePool( uniRootFileName.Buffer);
+            AFSExFreePoolWithTag( uniRootFileName.Buffer, 0);
         }
 
         if( bReleaseVolume)
         {
 
-            lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+            lCount = AFSVolumeDecrement( pVolumeCB,
+                                         VolumeReferenceReason);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSCommonCreate Decrement count on Volume %08lX Cnt %d\n",
+                          "AFSCommonCreate Decrement count on Volume %08lX Reason %u Cnt %d\n",
                           pVolumeCB,
+                          VolumeReferenceReason,
+                          lCount);
+        }
+
+        if ( bReleaseDir)
+        {
+
+            //
+            // Release the reference from AFSLocateNameEntry
+            //
+
+            lCount = InterlockedDecrement( &pDirectoryCB->DirOpenReferenceCount);
+
+            AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
+                          AFS_TRACE_LEVEL_VERBOSE,
+                          "AFSCommonCreate Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
+                          &pDirectoryCB->NameInformation.FileName,
+                          pDirectoryCB,
+                          pCcb,
+                          lCount);
+
+            ASSERT( lCount >= 0);
+        }
+
+        if ( bReleaseParentDir)
+        {
+
+            //
+            // Release the reference from AFSLocateNameEntry
+            //
+
+            lCount = InterlockedDecrement( &pParentDirectoryCB->DirOpenReferenceCount);
+
+            AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
+                          AFS_TRACE_LEVEL_VERBOSE,
+                          "AFSCommonCreate Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
+                          &pParentDirectoryCB->NameInformation.FileName,
+                          pParentDirectoryCB,
+                          pCcb,
                           lCount);
+
+            ASSERT( lCount >= 0);
         }
 
         //
@@ -1310,26 +1277,23 @@ AFSOpenAFSRoot( IN PIRP Irp,
         // Initialize the Ccb for the file.
         //
 
-        ntStatus = AFSInitCcb( Ccb);
+        ntStatus = AFSInitCcb( Ccb,
+                               AFSGlobalRoot->DirectoryCB,
+                               0,
+                               0);
 
         if( !NT_SUCCESS( ntStatus))
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSOpenAFSRoot (%08lX) Failed to allocate Ccb\n",
+                          "AFSOpenAFSRoot (%p) Failed to allocate Ccb\n",
                           Irp);
 
             try_return( ntStatus);
         }
 
         //
-        // Setup the Ccb
-        //
-
-        (*Ccb)->DirectoryCB = AFSGlobalRoot->DirectoryCB;
-
-        //
         // Increment the open count on this Fcb
         //
 
@@ -1337,7 +1301,7 @@ AFSOpenAFSRoot( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenAFSRoot Increment count on Fcb %08lX Cnt %d\n",
+                      "AFSOpenAFSRoot Increment count on Fcb %p Cnt %d\n",
                       AFSGlobalRoot->RootFcb,
                       lCount);
 
@@ -1345,7 +1309,7 @@ AFSOpenAFSRoot( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenAFSRoot Increment handle count on Fcb %08lX Cnt %d\n",
+                      "AFSOpenAFSRoot Increment handle count on Fcb %p Cnt %d\n",
                       AFSGlobalRoot->RootFcb,
                       lCount);
 
@@ -1402,7 +1366,7 @@ AFSOpenRoot( IN PIRP Irp,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSOpenRoot (%08lX) Attempt to open root as file Status %08lX\n",
+                          "AFSOpenRoot (%p) Attempt to open root as file Status %08lX\n",
                           Irp,
                           ntStatus);
 
@@ -1415,14 +1379,15 @@ AFSOpenRoot( IN PIRP Irp,
 
         ntStatus = AFSValidateEntry( VolumeCB->DirectoryCB,
                                      AuthGroup,
-                                     FALSE);
+                                     FALSE,
+                                     TRUE);
 
         if( !NT_SUCCESS( ntStatus))
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSOpenRoot (%08lX) Failed to validate root entry Status %08lX\n",
+                          "AFSOpenRoot (%p) Failed to validate root entry Status %08lX\n",
                           Irp,
                           ntStatus);
 
@@ -1449,6 +1414,8 @@ AFSOpenRoot( IN PIRP Irp,
                                       AuthGroup,
                                       NULL,
                                       &VolumeCB->ObjectInformation.FileId,
+                                      VolumeCB->VolumeInformation.Cell,
+                                      VolumeCB->VolumeInformation.CellLength,
                                       (void *)&stOpenCB,
                                       sizeof( AFSFileOpenCB),
                                       (void *)&stOpenResultCB,
@@ -1471,7 +1438,7 @@ AFSOpenRoot( IN PIRP Irp,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSOpenRoot (%08lX) Failed open in service volume %08lX-%08lX AuthGroup %wZ Status %08lX\n",
+                          "AFSOpenRoot (%p) Failed open in service volume %08lX-%08lX AuthGroup %wZ Status %08lX\n",
                           Irp,
                           VolumeCB->ObjectInformation.FileId.Cell,
                           VolumeCB->ObjectInformation.FileId.Volume,
@@ -1496,28 +1463,22 @@ AFSOpenRoot( IN PIRP Irp,
             AFSAcquireExcl( VolumeCB->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock,
                             TRUE);
 
-            if( !BooleanFlagOn( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
-            {
-
-                ntStatus = AFSEnumerateDirectory( AuthGroup,
-                                                  &VolumeCB->ObjectInformation,
-                                                  TRUE);
+            ntStatus = AFSEnumerateDirectory( AuthGroup,
+                                              &VolumeCB->ObjectInformation,
+                                              TRUE);
 
-                if( !NT_SUCCESS( ntStatus))
-                {
+            if( !NT_SUCCESS( ntStatus))
+            {
 
-                    AFSReleaseResource( VolumeCB->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
+                AFSReleaseResource( VolumeCB->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
 
-                    AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                                  AFS_TRACE_LEVEL_ERROR,
-                                  "AFSOpenRoot (%08lX) Failed to enumerate directory Status %08lX\n",
-                                  Irp,
-                                  ntStatus);
-
-                    try_return( ntStatus);
-                }
+                AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                              AFS_TRACE_LEVEL_ERROR,
+                              "AFSOpenRoot (%p) Failed to enumerate directory Status %08lX\n",
+                              Irp,
+                              ntStatus);
 
-                SetFlag( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED);
+                try_return( ntStatus);
             }
 
             AFSReleaseResource( VolumeCB->ObjectInformation.Specific.Directory.DirectoryNodeHdr.TreeLock);
@@ -1528,25 +1489,23 @@ AFSOpenRoot( IN PIRP Irp,
         // init the volume fcb
         //
 
-        if( VolumeCB->RootFcb == NULL)
-        {
-
-            ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
-                                       VolumeCB);
+        ntStatus = AFSInitRootFcb( (ULONGLONG)PsGetCurrentProcessId(),
+                                   VolumeCB);
 
-            if( !NT_SUCCESS( ntStatus))
-            {
-
-                try_return( ntStatus);
-            }
-        }
-        else
+        if( !NT_SUCCESS( ntStatus))
         {
 
-            AFSAcquireExcl( VolumeCB->RootFcb->Header.Resource,
-                            TRUE);
+            try_return( ntStatus);
         }
 
+        lCount = InterlockedIncrement( &VolumeCB->RootFcb->OpenReferenceCount);
+
+        AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSOpenRoot Increment count on Fcb %p Cnt %d\n",
+                      VolumeCB->RootFcb,
+                      lCount);
+
         bReleaseFcb = TRUE;
 
         //
@@ -1567,7 +1526,7 @@ AFSOpenRoot( IN PIRP Irp,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSOpenRoot (%08lX) Access check failure Status %08lX\n",
+                              "AFSOpenRoot (%p) Access check failure Status %08lX\n",
                               Irp,
                               ntStatus);
 
@@ -1579,14 +1538,17 @@ AFSOpenRoot( IN PIRP Irp,
         // Initialize the Ccb for the file.
         //
 
-        ntStatus = AFSInitCcb( Ccb);
+        ntStatus = AFSInitCcb( Ccb,
+                               VolumeCB->DirectoryCB,
+                               *pDesiredAccess,
+                               0);
 
         if( !NT_SUCCESS( ntStatus))
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSOpenRoot (%08lX) Failed to allocate Ccb Status %08lX\n",
+                          "AFSOpenRoot (%p) Failed to allocate Ccb Status %08lX\n",
                           Irp,
                           ntStatus);
 
@@ -1596,14 +1558,6 @@ AFSOpenRoot( IN PIRP Irp,
         bAllocatedCcb = TRUE;
 
         //
-        // Setup the ccb
-        //
-
-        (*Ccb)->DirectoryCB = VolumeCB->DirectoryCB;
-
-        (*Ccb)->GrantedAccess = *pDesiredAccess;
-
-        //
         // OK, update the share access on the fileobject
         //
 
@@ -1630,19 +1584,11 @@ AFSOpenRoot( IN PIRP Irp,
         // Increment the open count on this Fcb
         //
 
-        lCount = InterlockedIncrement( &VolumeCB->RootFcb->OpenReferenceCount);
-
-        AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
-                      AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenRoot Increment count on Fcb %08lX Cnt %d\n",
-                      VolumeCB->RootFcb,
-                      lCount);
-
         lCount = InterlockedIncrement( &VolumeCB->RootFcb->OpenHandleCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenRoot Increment handle count on Fcb %08lX Cnt %d\n",
+                      "AFSOpenRoot Increment handle count on Fcb %p Cnt %d\n",
                       VolumeCB->RootFcb,
                       lCount);
 
@@ -1664,6 +1610,17 @@ try_exit:
 
         if( bReleaseFcb)
         {
+            if ( !NT_SUCCESS( ntStatus))
+            {
+
+                lCount = InterlockedDecrement( &VolumeCB->RootFcb->OpenReferenceCount);
+
+                AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
+                              AFS_TRACE_LEVEL_VERBOSE,
+                              "AFSOpenRoot Decrement count on Fcb %p Cnt %d\n",
+                              VolumeCB->RootFcb,
+                              lCount);
+            }
 
             AFSReleaseResource( VolumeCB->RootFcb->Header.Resource);
         }
@@ -1703,12 +1660,8 @@ AFSProcessCreate( IN PIRP               Irp,
     PFILE_OBJECT pFileObject = NULL;
     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
     ULONG ulOptions = 0;
-    ULONG ulShareMode = 0;
-    ULONG ulAccess = 0;
     ULONG ulAttributes = 0;
-    LARGE_INTEGER   liAllocationSize = {0,0};
     BOOLEAN bFileCreated = FALSE, bReleaseFcb = FALSE, bAllocatedCcb = FALSE;
-    BOOLEAN bAllocatedFcb = FALSE;
     PACCESS_MASK pDesiredAccess = NULL;
     USHORT usShareAccess;
     AFSDirectoryCB *pDirEntry = NULL;
@@ -1748,7 +1701,7 @@ AFSProcessCreate( IN PIRP               Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessCreate (%08lX) Creating file %wZ Attributes %08lX\n",
+                      "AFSProcessCreate (%p) Creating file %wZ Attributes %08lX\n",
                       Irp,
                       FullFileName,
                       ulAttributes);
@@ -1783,7 +1736,7 @@ AFSProcessCreate( IN PIRP               Irp,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSProcessCreate (%08lX) Failed to create directory entry %wZ Status %08lX\n",
+                          "AFSProcessCreate (%p) Failed to create directory entry %wZ Status %08lX\n",
                           Irp,
                           FullFileName,
                           ntStatus);
@@ -1801,7 +1754,7 @@ AFSProcessCreate( IN PIRP               Irp,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSProcessCreate (%08lX) Evaluating object %wZ FID %08lX-%08lX-%08lX-%08lX\n",
+                          "AFSProcessCreate (%p) Evaluating object %wZ FID %08lX-%08lX-%08lX-%08lX\n",
                           Irp,
                           &pDirEntry->NameInformation.FileName,
                           pObjectInfo->FileId.Cell,
@@ -1818,12 +1771,12 @@ AFSProcessCreate( IN PIRP               Irp,
                 if ( ntStatus == STATUS_NOT_A_DIRECTORY)
                 {
 
-                    if ( pParentObjectInfo == pObjectInfo->ParentObjectInformation)
+                    if ( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
                     {
 
                         AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                                       AFS_TRACE_LEVEL_ERROR,
-                                      "AFSProcessCreate (%08lX) Failed to evaluate object %wZ FID %08lX-%08lX-%08lX-%08lX PARENT %08lX-%08lX-%08lX-%08lX Status %08lX\n",
+                                      "AFSProcessCreate (%p) Failed to evaluate object %wZ FID %08lX-%08lX-%08lX-%08lX PARENT %08lX-%08lX-%08lX-%08lX != NULL Status %08lX\n",
                                       Irp,
                                       &pDirEntry->NameInformation.FileName,
                                       pObjectInfo->FileId.Cell,
@@ -1836,12 +1789,12 @@ AFSProcessCreate( IN PIRP               Irp,
                                       pParentObjectInfo->FileId.Unique,
                                       ntStatus);
                     }
-                    else if ( pObjectInfo->ParentObjectInformation == NULL)
+                    else if ( AFSIsEqualFID( &pParentObjectInfo->FileId, &pObjectInfo->ParentFileId))
                     {
 
                         AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                                       AFS_TRACE_LEVEL_ERROR,
-                                      "AFSProcessCreate (%08lX) Failed to evaluate object %wZ FID %08lX-%08lX-%08lX-%08lX PARENT %08lX-%08lX-%08lX-%08lX != NULL Status %08lX\n",
+                                      "AFSProcessCreate (%p) Failed to evaluate object %wZ FID %08lX-%08lX-%08lX-%08lX PARENT %08lX-%08lX-%08lX-%08lX Status %08lX\n",
                                       Irp,
                                       &pDirEntry->NameInformation.FileName,
                                       pObjectInfo->FileId.Cell,
@@ -1859,7 +1812,7 @@ AFSProcessCreate( IN PIRP               Irp,
 
                         AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                                       AFS_TRACE_LEVEL_ERROR,
-                                      "AFSProcessCreate (%08lX) Failed to evaluate object %wZ FID %08lX-%08lX-%08lX-%08lX PARENT %08lX-%08lX-%08lX-%08lX != %08lX-%08lX-%08lX-%08lX Status %08lX\n",
+                                      "AFSProcessCreate (%p) Failed to evaluate object %wZ FID %08lX-%08lX-%08lX-%08lX PARENT %08lX-%08lX-%08lX-%08lX != %08lX-%08lX-%08lX-%08lX Status %08lX\n",
                                       Irp,
                                       &pDirEntry->NameInformation.FileName,
                                       pObjectInfo->FileId.Cell,
@@ -1870,10 +1823,10 @@ AFSProcessCreate( IN PIRP               Irp,
                                       pParentObjectInfo->FileId.Volume,
                                       pParentObjectInfo->FileId.Vnode,
                                       pParentObjectInfo->FileId.Unique,
-                                      pObjectInfo->ParentObjectInformation->FileId.Cell,
-                                      pObjectInfo->ParentObjectInformation->FileId.Volume,
-                                      pObjectInfo->ParentObjectInformation->FileId.Vnode,
-                                      pObjectInfo->ParentObjectInformation->FileId.Unique,
+                                      pObjectInfo->ParentFileId.Cell,
+                                      pObjectInfo->ParentFileId.Volume,
+                                      pObjectInfo->ParentFileId.Vnode,
+                                      pObjectInfo->ParentFileId.Unique,
                                       ntStatus);
                     }
                 }
@@ -1882,7 +1835,7 @@ AFSProcessCreate( IN PIRP               Irp,
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                                   AFS_TRACE_LEVEL_ERROR,
-                                  "AFSProcessCreate (%08lX) Failed to evaluate object %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
+                                  "AFSProcessCreate (%p) Failed to evaluate object %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
                                   Irp,
                                   &pDirEntry->NameInformation.FileName,
                                   pObjectInfo->FileId.Cell,
@@ -1898,57 +1851,36 @@ AFSProcessCreate( IN PIRP               Irp,
             ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_NOT_EVALUATED);
         }
 
+        ASSERT( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID) &&
+                AFSIsEqualFID( &pParentObjectInfo->FileId, &pObjectInfo->ParentFileId));
+
         //
         // We may have raced and the Fcb is already created
         //
 
-        if( pObjectInfo->Fcb != NULL)
-        {
+        //
+        // Allocate and initialize the Fcb for the file.
+        //
 
-            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                          AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSProcessCreate (%08lX) Not allocating Fcb for file %wZ\n",
-                          Irp,
-                          FullFileName);
+        ntStatus = AFSInitFcb( pDirEntry);
 
-            *Fcb = pObjectInfo->Fcb;
+        *Fcb = pObjectInfo->Fcb;
 
-            AFSAcquireExcl( &(*Fcb)->NPFcb->Resource,
-                            TRUE);
-        }
-        else
+        if( !NT_SUCCESS( ntStatus))
         {
 
-            //
-            // Allocate and initialize the Fcb for the file.
-            //
-
-            ntStatus = AFSInitFcb( pDirEntry);
-
-            *Fcb = pObjectInfo->Fcb;
-
-            if( !NT_SUCCESS( ntStatus))
-            {
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                              AFS_TRACE_LEVEL_ERROR,
-                              "AFSProcessCreate (%08lX) Failed to initialize fcb %wZ Status %08lX\n",
-                              Irp,
-                              FullFileName,
-                              ntStatus);
-
-                try_return( ntStatus);
-            }
-
-            if ( ntStatus != STATUS_REPARSE)
-            {
-
-                bAllocatedFcb = TRUE;
-            }
+            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                          AFS_TRACE_LEVEL_ERROR,
+                          "AFSProcessCreate (%p) Failed to initialize fcb %wZ Status %08lX\n",
+                          Irp,
+                          FullFileName,
+                          ntStatus);
 
-            ntStatus = STATUS_SUCCESS;
+            try_return( ntStatus);
         }
 
+        ntStatus = STATUS_SUCCESS;
+
         //
         // Increment the open count on this Fcb
         //
@@ -1957,7 +1889,7 @@ AFSProcessCreate( IN PIRP               Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessCreate Increment count on Fcb %08lX Cnt %d\n",
+                      "AFSProcessCreate Increment count on Fcb %p Cnt %d\n",
                       *Fcb,
                       lCount);
 
@@ -1967,14 +1899,17 @@ AFSProcessCreate( IN PIRP               Irp,
         // Initialize the Ccb for the file.
         //
 
-        ntStatus = AFSInitCcb( Ccb);
+        ntStatus = AFSInitCcb( Ccb,
+                               pDirEntry,
+                               *pDesiredAccess,
+                               0);
 
         if( !NT_SUCCESS( ntStatus))
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSProcessCreate (%08lX) Failed to initialize ccb %wZ Status %08lX\n",
+                          "AFSProcessCreate (%p) Failed to initialize ccb %wZ Status %08lX\n",
                           Irp,
                           FullFileName,
                           ntStatus);
@@ -1985,14 +1920,6 @@ AFSProcessCreate( IN PIRP               Irp,
         bAllocatedCcb = TRUE;
 
         //
-        // Initialize the Ccb
-        //
-
-        (*Ccb)->DirectoryCB = pDirEntry;
-
-        (*Ccb)->GrantedAccess = *pDesiredAccess;
-
-        //
         // If this is a file, update the headers filesizes.
         //
 
@@ -2077,7 +2004,7 @@ AFSProcessCreate( IN PIRP               Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessCreate Increment handle count on Fcb %08lX Cnt %d\n",
+                      "AFSProcessCreate Increment handle count on Fcb %p Cnt %d\n",
                       (*Fcb),
                       lCount);
 
@@ -2085,20 +2012,20 @@ AFSProcessCreate( IN PIRP               Irp,
         // Increment the open reference and handle on the parent node
         //
 
-        lCount = InterlockedIncrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
+        lCount = InterlockedIncrement( &pParentObjectInfo->Specific.Directory.ChildOpenHandleCount);
 
-        AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
+        AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessCreate Increment child open handle count on Parent object %08lX Cnt %d\n",
-                      pObjectInfo->ParentObjectInformation,
+                      "AFSProcessCreate Increment child open handle count on Parent object %p Cnt %d\n",
+                      pParentObjectInfo,
                       lCount);
 
-        lCount = InterlockedIncrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount);
+        lCount = InterlockedIncrement( &pParentObjectInfo->Specific.Directory.ChildOpenReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessCreate Increment child open ref count on Parent object %08lX Cnt %d\n",
-                      pObjectInfo->ParentObjectInformation,
+                      "AFSProcessCreate Increment child open ref count on Parent object %p Cnt %d\n",
+                      pParentObjectInfo,
                       lCount);
 
         if( ulOptions & FILE_DELETE_ON_CLOSE)
@@ -2110,7 +2037,7 @@ AFSProcessCreate( IN PIRP               Irp,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSProcessCreate (%08lX) Setting PENDING_DELETE flag in DirEntry %p Name %wZ\n",
+                          "AFSProcessCreate (%p) Setting PENDING_DELETE flag in DirEntry %p Name %wZ\n",
                           Irp,
                           pDirEntry,
                           FullFileName);
@@ -2149,7 +2076,7 @@ try_exit:
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSProcessCreate Decrement count on Fcb %08lX Cnt %d\n",
+                              "AFSProcessCreate Decrement count on Fcb %p Cnt %d\n",
                               *Fcb,
                               lCount);
             }
@@ -2157,6 +2084,26 @@ try_exit:
             AFSReleaseResource( &(*Fcb)->NPFcb->Resource);
         }
 
+        if ( bFileCreated)
+        {
+
+            //
+            // Decrement the reference added during initialization of the DE
+            // AFSInitCcb allocates its own reference count.
+            //
+
+            lCount = InterlockedDecrement( &pDirEntry->DirOpenReferenceCount);
+
+            AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
+                          AFS_TRACE_LEVEL_VERBOSE,
+                          "AFSProcessCreate Decrement count on %wZ DE %p Cnt %d\n",
+                          &pDirEntry->NameInformation.FileName,
+                          pDirEntry,
+                          lCount);
+
+            ASSERT( lCount >= 0);
+        }
+
         if( !NT_SUCCESS( ntStatus))
         {
 
@@ -2165,7 +2112,7 @@ try_exit:
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSProcessCreate Create failed, removing DE %p from aprent object %p Status %08lX\n",
+                              "AFSProcessCreate Create failed, removing DE %p from parent object %p Status %08lX\n",
                               pDirEntry,
                               pParentObjectInfo,
                               ntStatus);
@@ -2184,19 +2131,6 @@ try_exit:
                                  FALSE);
 
                 //
-                // Decrement the reference added during initialization of the DE
-                //
-
-                lCount = InterlockedDecrement( &pDirEntry->OpenReferenceCount);
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSProcessCreate Decrement count on %wZ DE %p Cnt %d\n",
-                              &pDirEntry->NameInformation.FileName,
-                              pDirEntry,
-                              lCount);
-
-                //
                 // Pull the directory entry from the parent
                 //
 
@@ -2222,11 +2156,9 @@ try_exit:
                               *Ccb);
             }
 
-            if( bAllocatedFcb)
-            {
-
-                AFSRemoveFcb( &pObjectInfo->Fcb);
-            }
+            //
+            // Fcb will be freed by AFSPrimaryVolumeWorker thread
+            //
 
             *Fcb = NULL;
 
@@ -2246,15 +2178,16 @@ AFSOpenTargetDirectory( IN PIRP Irp,
                         OUT AFSFcb **Fcb,
                         OUT AFSCcb **Ccb)
 {
-
+    UNREFERENCED_PARAMETER(VolumeCB);
     NTSTATUS ntStatus = STATUS_SUCCESS;
     PFILE_OBJECT pFileObject = NULL;
     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
     PACCESS_MASK pDesiredAccess = NULL;
     USHORT usShareAccess;
     BOOLEAN bAllocatedCcb = FALSE;
-    BOOLEAN bReleaseFcb = FALSE, bAllocatedFcb = FALSE;
-    AFSObjectInfoCB *pParentObject = NULL, *pTargetObject = NULL;
+    BOOLEAN bReleaseFcb = FALSE;
+    AFSObjectInfoCB *pParentObject = NULL;
+    AFSObjectInfoCB *pGrandParentObject = NULL;
     UNICODE_STRING uniTargetName;
     LONG lCount;
 
@@ -2268,7 +2201,7 @@ AFSOpenTargetDirectory( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenTargetDirectory (%08lX) Processing file %wZ\n",
+                      "AFSOpenTargetDirectory (%p) Processing file %wZ\n",
                       Irp,
                       TargetName);
 
@@ -2282,49 +2215,30 @@ AFSOpenTargetDirectory( IN PIRP Irp,
 
         //
         // Make sure we have an Fcb for the access
-        //
 
-        if( pParentObject->Fcb != NULL)
-        {
-
-            *Fcb = pParentObject->Fcb;
-
-            AFSAcquireExcl( &(*Fcb)->NPFcb->Resource,
-                            TRUE);
-        }
-        else
-        {
-
-            //
-            // Allocate and initialize the Fcb for the file.
-            //
-
-            ntStatus = AFSInitFcb( ParentDirectoryCB);
-
-            *Fcb = pParentObject->Fcb;
-
-            if( !NT_SUCCESS( ntStatus))
-            {
+        //
+        // Allocate and initialize the Fcb for the file.
+        //
 
-                AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                              AFS_TRACE_LEVEL_ERROR,
-                              "AFSProcessCreate (%08lX) Failed to initialize fcb %wZ Status %08lX\n",
-                              Irp,
-                              &ParentDirectoryCB->NameInformation.FileName,
-                              ntStatus);
+        ntStatus = AFSInitFcb( ParentDirectoryCB);
 
-                try_return( ntStatus);
-            }
+        *Fcb = pParentObject->Fcb;
 
-            if ( ntStatus == STATUS_REPARSE)
-            {
+        if( !NT_SUCCESS( ntStatus))
+        {
 
-                bAllocatedFcb = TRUE;
-            }
+            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                          AFS_TRACE_LEVEL_ERROR,
+                          "AFSOpenTargetDirectory (%p) Failed to initialize fcb %wZ Status %08lX\n",
+                          Irp,
+                          &ParentDirectoryCB->NameInformation.FileName,
+                          ntStatus);
 
-            ntStatus = STATUS_SUCCESS;
+            try_return( ntStatus);
         }
 
+        ntStatus = STATUS_SUCCESS;
+
         //
         // Increment the open count on this Fcb
         //
@@ -2333,7 +2247,7 @@ AFSOpenTargetDirectory( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenTargetDirectory Increment count on Fcb %08lX Cnt %d\n",
+                      "AFSOpenTargetDirectory Increment count on Fcb %p Cnt %d\n",
                       pParentObject->Fcb,
                       lCount);
 
@@ -2357,7 +2271,7 @@ AFSOpenTargetDirectory( IN PIRP Irp,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSOpenTargetDirectory (%08lX) Access check failure %wZ Status %08lX\n",
+                              "AFSOpenTargetDirectory (%p) Access check failure %wZ Status %08lX\n",
                               Irp,
                               &ParentDirectoryCB->NameInformation.FileName,
                               ntStatus);
@@ -2370,14 +2284,17 @@ AFSOpenTargetDirectory( IN PIRP Irp,
         // Initialize the Ccb for the file.
         //
 
-        ntStatus = AFSInitCcb( Ccb);
+        ntStatus = AFSInitCcb( Ccb,
+                               ParentDirectoryCB,
+                               *pDesiredAccess,
+                               0);
 
         if( !NT_SUCCESS( ntStatus))
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSOpenTargetDirectory (%08lX) Failed to initialize ccb %wZ Status %08lX\n",
+                          "AFSOpenTargetDirectory (%p) Failed to initialize ccb %wZ Status %08lX\n",
                           Irp,
                           &ParentDirectoryCB->NameInformation.FileName,
                           ntStatus);
@@ -2387,14 +2304,6 @@ AFSOpenTargetDirectory( IN PIRP Irp,
 
         bAllocatedCcb = TRUE;
 
-        //
-        // Initialize the Ccb
-        //
-
-        (*Ccb)->DirectoryCB = ParentDirectoryCB;
-
-        (*Ccb)->GrantedAccess = *pDesiredAccess;
-
         if( TargetDirectoryCB != NULL &&
             FsRtlAreNamesEqual( &TargetDirectoryCB->NameInformation.FileName,
                                 TargetName,
@@ -2451,7 +2360,7 @@ AFSOpenTargetDirectory( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenTargetDirectory Increment handle count on Fcb %08lX Cnt %d\n",
+                      "AFSOpenTargetDirectory Increment handle count on Fcb %p Cnt %d\n",
                       pParentObject->Fcb,
                       lCount);
 
@@ -2459,24 +2368,33 @@ AFSOpenTargetDirectory( IN PIRP Irp,
         // Increment the open reference and handle on the parent node
         //
 
-        if( pParentObject->ParentObjectInformation != NULL)
+        if( BooleanFlagOn( pParentObject->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
         {
 
-            lCount = InterlockedIncrement( &pParentObject->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
+            pGrandParentObject = AFSFindObjectInfo( pParentObject->VolumeCB,
+                                                    &pParentObject->ParentFileId);
 
-            AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
-                          AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSOpenTargetDirectory Increment child open handle count on Parent object %08lX Cnt %d\n",
-                          pParentObject->ParentObjectInformation,
-                          lCount);
+            if ( pGrandParentObject)
+            {
 
-            lCount = InterlockedIncrement( &pParentObject->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount);
+                lCount = InterlockedIncrement( &pGrandParentObject->Specific.Directory.ChildOpenHandleCount);
 
-            AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
-                          AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSOpenTargetDirectory Increment child open ref count on Parent object %08lX Cnt %d\n",
-                          pParentObject->ParentObjectInformation,
-                          lCount);
+                AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
+                              AFS_TRACE_LEVEL_VERBOSE,
+                              "AFSOpenTargetDirectory Increment child open handle count on Parent object %p Cnt %d\n",
+                              pGrandParentObject,
+                              lCount);
+
+                lCount = InterlockedIncrement( &pGrandParentObject->Specific.Directory.ChildOpenReferenceCount);
+
+                AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
+                              AFS_TRACE_LEVEL_VERBOSE,
+                              "AFSOpenTargetDirectory Increment child open ref count on Parent object %p Cnt %d\n",
+                              pGrandParentObject,
+                              lCount);
+
+                AFSReleaseObjectInfo( &pGrandParentObject);
+            }
         }
 
 try_exit:
@@ -2494,7 +2412,7 @@ try_exit:
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSOpenTargetDirectory Decrement count on Fcb %08lX Cnt %d\n",
+                              "AFSOpenTargetDirectory Decrement count on Fcb %p Cnt %d\n",
                               pParentObject->Fcb,
                               lCount);
             }
@@ -2514,11 +2432,9 @@ try_exit:
 
             *Ccb = NULL;
 
-            if( bAllocatedFcb)
-            {
-
-                AFSRemoveFcb( &pParentObject->Fcb);
-            }
+            //
+            // Fcb will be freed by AFSPrimaryVolumeWorker thread
+            //
 
             *Fcb = NULL;
         }
@@ -2536,14 +2452,14 @@ AFSProcessOpen( IN PIRP Irp,
                 OUT AFSFcb **Fcb,
                 OUT AFSCcb **Ccb)
 {
-
+    UNREFERENCED_PARAMETER(VolumeCB);
     NTSTATUS ntStatus = STATUS_SUCCESS;
     PFILE_OBJECT pFileObject = NULL;
     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
     PACCESS_MASK pDesiredAccess = NULL;
     USHORT usShareAccess;
-    BOOLEAN bAllocatedCcb = FALSE, bReleaseFcb = FALSE, bAllocatedFcb = FALSE;
-    ULONG ulAdditionalFlags = 0, ulOptions = 0;
+    BOOLEAN bAllocatedCcb = FALSE, bReleaseFcb = FALSE;
+    ULONG ulOptions = 0;
     AFSFileOpenCB   stOpenCB;
     AFSFileOpenResultCB stOpenResultCB;
     ULONG       ulResultLen = 0;
@@ -2565,6 +2481,9 @@ AFSProcessOpen( IN PIRP Irp,
 
         pObjectInfo = DirectoryCB->ObjectInformation;
 
+        ASSERT( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID) &&
+                AFSIsEqualFID( &pParentObjectInfo->FileId, &pObjectInfo->ParentFileId));
+
         //
         // Check if the entry is pending a deletion
         //
@@ -2576,7 +2495,7 @@ AFSProcessOpen( IN PIRP Irp,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSProcessOpen (%08lX) Entry pending delete %wZ Status %08lX\n",
+                          "AFSProcessOpen (%p) Entry pending delete %wZ Status %08lX\n",
                           Irp,
                           &DirectoryCB->NameInformation.FileName,
                           ntStatus);
@@ -2596,14 +2515,15 @@ AFSProcessOpen( IN PIRP Irp,
 
         ntStatus = AFSValidateEntry( DirectoryCB,
                                      AuthGroup,
-                                     FALSE);
+                                     FALSE,
+                                     TRUE);
 
         if( !NT_SUCCESS( ntStatus))
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSProcessOpen (%08lX) Failed to validate entry %wZ Status %08lX\n",
+                          "AFSProcessOpen (%p) Failed to validate entry %wZ Status %08lX\n",
                           Irp,
                           &DirectoryCB->NameInformation.FileName,
                           ntStatus);
@@ -2629,7 +2549,7 @@ AFSProcessOpen( IN PIRP Irp,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSProcessOpen (%08lX) Cannot delete entry %wZ marked for delete on close Status %08lX\n",
+                              "AFSProcessOpen (%p) Cannot delete entry %wZ marked for delete on close Status %08lX\n",
                               Irp,
                               &DirectoryCB->NameInformation.FileName,
                               ntStatus);
@@ -2642,38 +2562,28 @@ AFSProcessOpen( IN PIRP Irp,
         // Be sure we have an Fcb for the current object
         //
 
-        if( pObjectInfo->Fcb == NULL)
-        {
-
-            ntStatus = AFSInitFcb( DirectoryCB);
-
-            if( !NT_SUCCESS( ntStatus))
-            {
+        ntStatus = AFSInitFcb( DirectoryCB);
 
-                AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                              AFS_TRACE_LEVEL_ERROR,
-                              "AFSProcessOpen (%08lX) Failed to init fcb on %wZ Status %08lX\n",
-                              Irp,
-                              &DirectoryCB->NameInformation.FileName,
-                              ntStatus);
+        if( !NT_SUCCESS( ntStatus))
+        {
 
-                try_return( ntStatus);
-            }
+            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                          AFS_TRACE_LEVEL_ERROR,
+                          "AFSProcessOpen (%p) Failed to init fcb on %wZ Status %08lX\n",
+                          Irp,
+                          &DirectoryCB->NameInformation.FileName,
+                          ntStatus);
 
-            if ( ntStatus != STATUS_REPARSE)
-            {
+            try_return( ntStatus);
+        }
 
-                bAllocatedFcb = TRUE;
-            }
+        ntStatus = STATUS_SUCCESS;
 
-            ntStatus = STATUS_SUCCESS;
-        }
-        else
-        {
+        //
+        // AFSInitFcb returns the Fcb resource held
+        //
 
-            AFSAcquireExcl( pObjectInfo->Fcb->Header.Resource,
-                            TRUE);
-        }
+        bReleaseFcb = TRUE;
 
         //
         // Increment the open count on this Fcb
@@ -2683,12 +2593,10 @@ AFSProcessOpen( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessOpen Increment2 count on Fcb %08lX Cnt %d\n",
+                      "AFSProcessOpen Increment2 count on Fcb %p Cnt %d\n",
                       pObjectInfo->Fcb,
                       lCount);
 
-        bReleaseFcb = TRUE;
-
         //
         // Check access on the entry
         //
@@ -2707,7 +2615,7 @@ AFSProcessOpen( IN PIRP Irp,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSProcessOpen (%08lX) Failed to check share access on %wZ Status %08lX\n",
+                              "AFSProcessOpen (%p) Failed to check share access on %wZ Status %08lX\n",
                               Irp,
                               &DirectoryCB->NameInformation.FileName,
                               ntStatus);
@@ -2731,8 +2639,29 @@ AFSProcessOpen( IN PIRP Irp,
                 BooleanFlagOn(ulOptions, FILE_DELETE_ON_CLOSE))
             {
 
-                if( !MmFlushImageSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
-                                          MmFlushForWrite))
+                BOOLEAN bMmFlushed;
+
+                AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
+                              AFS_TRACE_LEVEL_VERBOSE,
+                              "AFSProcessOpen Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
+                              &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
+                              PsGetCurrentThread());
+
+                AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
+                                TRUE);
+
+                bMmFlushed = MmFlushImageSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
+                                                  MmFlushForWrite);
+
+                AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
+                              AFS_TRACE_LEVEL_VERBOSE,
+                              "AFSProcessOpen Releasing Fcb SectionObject lock %p EXCL %08lX\n",
+                              &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
+                              PsGetCurrentThread());
+
+                AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
+
+                if ( !bMmFlushed)
                 {
 
                     ntStatus = BooleanFlagOn(ulOptions, FILE_DELETE_ON_CLOSE) ? STATUS_CANNOT_DELETE :
@@ -2740,7 +2669,7 @@ AFSProcessOpen( IN PIRP Irp,
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                                   AFS_TRACE_LEVEL_ERROR,
-                                  "AFSProcessOpen (%08lX) Failed to flush image section %wZ Status %08lX\n",
+                                  "AFSProcessOpen (%p) Failed to flush image section %wZ Status %08lX\n",
                                   Irp,
                                   &DirectoryCB->NameInformation.FileName,
                                   ntStatus);
@@ -2756,7 +2685,7 @@ AFSProcessOpen( IN PIRP Irp,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSProcessOpen (%08lX) Attempt to open file as directory %wZ Status %08lX\n",
+                              "AFSProcessOpen (%p) Attempt to open file as directory %wZ Status %08lX\n",
                               Irp,
                               &DirectoryCB->NameInformation.FileName,
                               ntStatus);
@@ -2777,7 +2706,7 @@ AFSProcessOpen( IN PIRP Irp,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSProcessOpen (%08lX) Attempt to open directory as file %wZ Status %08lX\n",
+                              "AFSProcessOpen (%p) Attempt to open directory as file %wZ Status %08lX\n",
                               Irp,
                               &DirectoryCB->NameInformation.FileName,
                               ntStatus);
@@ -2821,6 +2750,8 @@ AFSProcessOpen( IN PIRP Irp,
                                       AuthGroup,
                                       &DirectoryCB->NameInformation.FileName,
                                       &pObjectInfo->FileId,
+                                      pObjectInfo->VolumeCB->VolumeInformation.Cell,
+                                      pObjectInfo->VolumeCB->VolumeInformation.CellLength,
                                       (void *)&stOpenCB,
                                       sizeof( AFSFileOpenCB),
                                       (void *)&stOpenResultCB,
@@ -2831,7 +2762,7 @@ AFSProcessOpen( IN PIRP Irp,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSProcessOpen (%08lX) Failed open in service %wZ Status %08lX\n",
+                          "AFSProcessOpen (%p) Failed open in service %wZ Status %08lX\n",
                           Irp,
                           &DirectoryCB->NameInformation.FileName,
                           ntStatus);
@@ -2858,7 +2789,7 @@ AFSProcessOpen( IN PIRP Irp,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSProcessOpen (%08lX) Failed to check access from service Desired %08lX Granted %08lX Entry %wZ Status %08lX\n",
+                          "AFSProcessOpen (%p) Failed to check access from service Desired %08lX Granted %08lX Entry %wZ Status %08lX\n",
                           Irp,
                           *pDesiredAccess,
                           stOpenResultCB.GrantedAccess,
@@ -2872,14 +2803,17 @@ AFSProcessOpen( IN PIRP Irp,
         // Initialize the Ccb for the file.
         //
 
-        ntStatus = AFSInitCcb( Ccb);
+        ntStatus = AFSInitCcb( Ccb,
+                               DirectoryCB,
+                               *pDesiredAccess,
+                               ulFileAccess);
 
         if( !NT_SUCCESS( ntStatus))
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSProcessOpen (%08lX) Failed to initialize ccb %wZ Status %08lX\n",
+                          "AFSProcessOpen (%p) Failed to initialize ccb %wZ Status %08lX\n",
                           Irp,
                           &DirectoryCB->NameInformation.FileName,
                           ntStatus);
@@ -2889,12 +2823,6 @@ AFSProcessOpen( IN PIRP Irp,
 
         bAllocatedCcb = TRUE;
 
-        (*Ccb)->DirectoryCB = DirectoryCB;
-
-        (*Ccb)->FileAccess = ulFileAccess;
-
-        (*Ccb)->GrantedAccess = *pDesiredAccess;
-
         //
         // Perform the access check on the target if this is a mount point or symlink
         //
@@ -2922,7 +2850,7 @@ AFSProcessOpen( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessOpen Increment handle count on Fcb %08lX Cnt %d\n",
+                      "AFSProcessOpen Increment handle count on Fcb %p Cnt %d\n",
                       pObjectInfo->Fcb,
                       lCount);
 
@@ -2930,20 +2858,20 @@ AFSProcessOpen( IN PIRP Irp,
         // Increment the open reference and handle on the parent node
         //
 
-        lCount = InterlockedIncrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
+        lCount = InterlockedIncrement( &pParentObjectInfo->Specific.Directory.ChildOpenHandleCount);
 
-        AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
+        AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessOpen Increment child open handle count on Parent object %08lX Cnt %d\n",
-                      pObjectInfo->ParentObjectInformation,
+                      "AFSProcessOpen Increment child open handle count on Parent object %p Cnt %d\n",
+                      pParentObjectInfo,
                       lCount);
 
-        lCount = InterlockedIncrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount);
+        lCount = InterlockedIncrement( &pParentObjectInfo->Specific.Directory.ChildOpenReferenceCount);
 
-        AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
+        AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessOpen Increment child open ref count on Parent object %08lX Cnt %d\n",
-                      pObjectInfo->ParentObjectInformation,
+                      "AFSProcessOpen Increment child open ref count on Parent object %p Cnt %d\n",
+                      pParentObjectInfo,
                       lCount);
 
         if( BooleanFlagOn( ulOptions, FILE_DELETE_ON_CLOSE))
@@ -2955,7 +2883,7 @@ AFSProcessOpen( IN PIRP Irp,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSProcessOpen (%08lX) Setting PENDING_DELETE flag in DirEntry %p Name %wZ\n",
+                          "AFSProcessOpen (%p) Setting PENDING_DELETE flag in DirEntry %p Name %wZ\n",
                           Irp,
                           DirectoryCB,
                           &DirectoryCB->NameInformation.FileName);
@@ -2992,7 +2920,7 @@ try_exit:
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSProcessOpen Decrement2 count on Fcb %08lX Cnt %d\n",
+                              "AFSProcessOpen Decrement2 count on Fcb %p Cnt %d\n",
                               pObjectInfo->Fcb,
                               lCount);
             }
@@ -3017,6 +2945,8 @@ try_exit:
                                    AuthGroup,
                                    &DirectoryCB->NameInformation.FileName,
                                    &pObjectInfo->FileId,
+                                   pObjectInfo->VolumeCB->VolumeInformation.Cell,
+                                   pObjectInfo->VolumeCB->VolumeInformation.CellLength,
                                    (void *)&stReleaseFileAccess,
                                    sizeof( AFSFileAccessReleaseCB),
                                    NULL,
@@ -3032,11 +2962,9 @@ try_exit:
 
             *Ccb = NULL;
 
-            if( bAllocatedFcb)
-            {
-
-                AFSRemoveFcb( &pObjectInfo->Fcb);
-            }
+            //
+            // Fcb will be freed by AFSPrimaryVolumeWorker thread
+            //
 
             *Fcb = NULL;
         }
@@ -3055,16 +2983,16 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
                               OUT AFSFcb       **Fcb,
                               OUT AFSCcb       **Ccb)
 {
-
+    UNREFERENCED_PARAMETER(DeviceObject);
     NTSTATUS ntStatus = STATUS_SUCCESS;
     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
     PFILE_OBJECT pFileObject = NULL;
     LARGE_INTEGER liZero = {0,0};
     BOOLEAN bReleasePaging = FALSE, bReleaseFcb = FALSE;
     ULONG   ulAttributes = 0;
-    LARGE_INTEGER liTime;
     ULONG ulCreateDisposition = 0;
-    BOOLEAN bAllocatedCcb = FALSE, bAllocatedFcb = FALSE;
+    BOOLEAN bAllocatedCcb = FALSE;
+    BOOLEAN bUserMapped = FALSE;
     PACCESS_MASK pDesiredAccess = NULL;
     USHORT usShareAccess;
     AFSObjectInfoCB *pParentObjectInfo = NULL;
@@ -3103,20 +3031,24 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
 
         pObjectInfo = DirectoryCB->ObjectInformation;
 
+        ASSERT( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID) &&
+                AFSIsEqualFID( &pParentObjectInfo->FileId, &pObjectInfo->ParentFileId));
+
         //
         // Check if we should go and retrieve updated information for the node
         //
 
         ntStatus = AFSValidateEntry( DirectoryCB,
                                      AuthGroup,
-                                     FALSE);
+                                     FALSE,
+                                     TRUE);
 
         if( !NT_SUCCESS( ntStatus))
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSProcessOverwriteSupersede (%08lX) Failed to validate entry %wZ Status %08lX\n",
+                          "AFSProcessOverwriteSupersede (%p) Failed to validate entry %wZ Status %08lX\n",
                           Irp,
                           &DirectoryCB->NameInformation.FileName,
                           ntStatus);
@@ -3128,40 +3060,24 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
         // Be sure we have an Fcb for the object block
         //
 
-        if( pObjectInfo->Fcb == NULL)
-        {
-
-            ntStatus = AFSInitFcb( DirectoryCB);
-
-            *Fcb = pObjectInfo->Fcb;
-
-            if( !NT_SUCCESS( ntStatus))
-            {
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                              AFS_TRACE_LEVEL_ERROR,
-                              "AFSProcessOverwriteSupersede (%08lX) Failed to initialize fcb %wZ Status %08lX\n",
-                              Irp,
-                              &DirectoryCB->NameInformation.FileName,
-                              ntStatus);
+        ntStatus = AFSInitFcb( DirectoryCB);
 
-                try_return( ntStatus);
-            }
+        *Fcb = pObjectInfo->Fcb;
 
-            if ( ntStatus != STATUS_REPARSE)
-            {
+        if( !NT_SUCCESS( ntStatus))
+        {
 
-                bAllocatedFcb = TRUE;
-            }
+            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                          AFS_TRACE_LEVEL_ERROR,
+                          "AFSProcessOverwriteSupersede (%p) Failed to initialize fcb %wZ Status %08lX\n",
+                          Irp,
+                          &DirectoryCB->NameInformation.FileName,
+                          ntStatus);
 
-            ntStatus = STATUS_SUCCESS;
+            try_return( ntStatus);
         }
-        else
-        {
 
-            AFSAcquireExcl( pObjectInfo->Fcb->Header.Resource,
-                            TRUE);
-        }
+        ntStatus = STATUS_SUCCESS;
 
         //
         // Increment the open count on this Fcb.
@@ -3171,7 +3087,7 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessOverwriteSupersede Increment2 count on Fcb %08lX Cnt %d\n",
+                      "AFSProcessOverwriteSupersede Increment2 count on Fcb %p Cnt %d\n",
                       pObjectInfo->Fcb,
                       lCount);
 
@@ -3195,7 +3111,7 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSProcessOverwriteSupersede (%08lX) Access check failure %wZ Status %08lX\n",
+                              "AFSProcessOverwriteSupersede (%p) Access check failure %wZ Status %08lX\n",
                               Irp,
                               &DirectoryCB->NameInformation.FileName,
                               ntStatus);
@@ -3204,20 +3120,39 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
             }
         }
 
+        AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSProcessOverwriteSupercede Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
+                      &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
+                      PsGetCurrentThread());
+
+        AFSAcquireExcl( &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
+                        TRUE);
+
         //
         //  Before we actually truncate, check to see if the purge
         //  is going to fail.
         //
 
-        if( !MmCanFileBeTruncated( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
-                                   &liZero))
+        bUserMapped = !MmCanFileBeTruncated( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
+                                             &liZero);
+
+        AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSProcessOverwriteSupercede Releasing Fcb SectionObject lock %p EXCL %08lX\n",
+                      &pObjectInfo->Fcb->NPFcb->SectionObjectResource,
+                      PsGetCurrentThread());
+
+        AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->SectionObjectResource);
+
+        if( bUserMapped)
         {
 
             ntStatus = STATUS_USER_MAPPED_FILE;
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSProcessOverwriteSupersede (%08lX) File user mapped %wZ Status %08lX\n",
+                          "AFSProcessOverwriteSupersede (%p) File user mapped %wZ Status %08lX\n",
                           Irp,
                           &DirectoryCB->NameInformation.FileName,
                           ntStatus);
@@ -3229,14 +3164,17 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
         // Initialize the Ccb for the file.
         //
 
-        ntStatus = AFSInitCcb( Ccb);
+        ntStatus = AFSInitCcb( Ccb,
+                               DirectoryCB,
+                               *pDesiredAccess,
+                               0);
 
         if( !NT_SUCCESS( ntStatus))
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSProcessOverwriteSupersede (%08lX) Failed to initialize ccb %wZ Status %08lX\n",
+                          "AFSProcessOverwriteSupersede (%p) Failed to initialize ccb %wZ Status %08lX\n",
                           Irp,
                           &DirectoryCB->NameInformation.FileName,
                           ntStatus);
@@ -3247,14 +3185,6 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
         bAllocatedCcb = TRUE;
 
         //
-        // Initialize the Ccb
-        //
-
-        (*Ccb)->DirectoryCB = DirectoryCB;
-
-        (*Ccb)->GrantedAccess = *pDesiredAccess;
-
-        //
         // Set the file length to zero
         //
 
@@ -3314,7 +3244,7 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSProcessOverwriteSupersede (%08lX) Failed to update file information %wZ Status %08lX\n",
+                          "AFSProcessOverwriteSupersede (%p) Failed to update file information %wZ Status %08lX\n",
                           Irp,
                           &DirectoryCB->NameInformation.FileName,
                           ntStatus);
@@ -3378,7 +3308,7 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessOverwriteSupersede Increment handle count on Fcb %08lX Cnt %d\n",
+                      "AFSProcessOverwriteSupersede Increment handle count on Fcb %p Cnt %d\n",
                       pObjectInfo->Fcb,
                       lCount);
 
@@ -3386,20 +3316,20 @@ AFSProcessOverwriteSupersede( IN PDEVICE_OBJECT DeviceObject,
         // Increment the open reference and handle on the parent node
         //
 
-        lCount = InterlockedIncrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenHandleCount);
+        lCount = InterlockedIncrement( &pParentObjectInfo->Specific.Directory.ChildOpenHandleCount);
 
-        AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
+        AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessOverwriteSupersede Increment child open handle count on Parent object %08lX Cnt %d\n",
-                      pObjectInfo->ParentObjectInformation,
+                      "AFSProcessOverwriteSupersede Increment child open handle count on Parent object %p Cnt %d\n",
+                      pParentObjectInfo,
                       lCount);
 
-        lCount = InterlockedIncrement( &pObjectInfo->ParentObjectInformation->Specific.Directory.ChildOpenReferenceCount);
+        lCount = InterlockedIncrement( &pParentObjectInfo->Specific.Directory.ChildOpenReferenceCount);
 
-        AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
+        AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSProcessOverwriteSupersede Increment child open ref count on Parent object %08lX Cnt %d\n",
-                      pObjectInfo->ParentObjectInformation,
+                      "AFSProcessOverwriteSupersede Increment child open ref count on Parent object %p Cnt %d\n",
+                      pParentObjectInfo,
                       lCount);
 
         AFSReleaseResource( pObjectInfo->Fcb->Header.Resource);
@@ -3444,7 +3374,7 @@ try_exit:
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSProcessOverwriteSupersede Decrement2 count on Fcb %08lX Cnt %d\n",
+                              "AFSProcessOverwriteSupersede Decrement2 count on Fcb %p Cnt %d\n",
                               pObjectInfo->Fcb,
                               lCount);
             }
@@ -3464,11 +3394,9 @@ try_exit:
 
             *Ccb = NULL;
 
-            if( bAllocatedFcb)
-            {
-
-                AFSRemoveFcb( &pObjectInfo->Fcb);
-            }
+            //
+            // Fcb will be freed by AFSPrimaryVolumeWorker thread
+            //
 
             *Fcb = NULL;
         }
@@ -3486,16 +3414,31 @@ AFSControlDeviceCreate( IN PIRP Irp)
     __Enter
     {
 
-        //
-        // For now, jsut let the open happen
-        //
-
-        Irp->IoStatus.Information = FILE_OPENED;
+        if ( KernelMode == Irp->RequestorMode) {
+            //
+            // For now, just let the open happen
+            //
+            Irp->IoStatus.Information = FILE_OPENED;
+        }
+        else
+        {
+            //
+            // Not from usermode, All access must be via
+            // the FS component (which will do the
+            // security check)
+            //
+            ntStatus = STATUS_ACCESS_DENIED;
+        }
     }
 
     return ntStatus;
 }
 
+//
+// AFSOpenIOCtlFcb does not release a DirOpenReferenceCount on
+// the ParentDirCB.
+//
+
 NTSTATUS
 AFSOpenIOCtlFcb( IN PIRP Irp,
                  IN GUID *AuthGroup,
@@ -3507,8 +3450,7 @@ AFSOpenIOCtlFcb( IN PIRP Irp,
     NTSTATUS ntStatus = STATUS_SUCCESS;
     PFILE_OBJECT pFileObject = NULL;
     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
-    BOOLEAN bReleaseFcb = FALSE, bAllocatedCcb = FALSE, bAllocatedFcb = FALSE;
-    UNICODE_STRING uniFullFileName;
+    BOOLEAN bReleaseFcb = FALSE, bAllocatedCcb = FALSE;
     AFSPIOCtlOpenCloseRequestCB stPIOCtlOpen;
     AFSFileID stFileID;
     AFSObjectInfoCB *pParentObjectInfo = NULL;
@@ -3537,46 +3479,28 @@ AFSOpenIOCtlFcb( IN PIRP Irp,
             }
         }
 
-        if( pParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB->ObjectInformation->Fcb == NULL)
-        {
-
-            //
-            // Allocate and initialize the Fcb for the file.
-            //
-
-            ntStatus = AFSInitFcb( pParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB);
-
-            *Fcb = pParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB->ObjectInformation->Fcb;
-
-            if( !NT_SUCCESS( ntStatus))
-            {
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                              AFS_TRACE_LEVEL_ERROR,
-                              "AFSOpenIOCtlFcb (%08lX) Failed to initialize fcb Status %08lX\n",
-                              Irp,
-                              ntStatus);
-
-                try_return( ntStatus);
-            }
+        //
+        // Allocate and initialize the Fcb for the file.
+        //
 
-            if ( ntStatus != STATUS_REPARSE)
-            {
+        ntStatus = AFSInitFcb( pParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB);
 
-                bAllocatedFcb = TRUE;
-            }
+        *Fcb = pParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB->ObjectInformation->Fcb;
 
-            ntStatus = STATUS_SUCCESS;
-        }
-        else
+        if( !NT_SUCCESS( ntStatus))
         {
 
-            *Fcb = pParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB->ObjectInformation->Fcb;
+            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                          AFS_TRACE_LEVEL_ERROR,
+                          "AFSOpenIOCtlFcb (%p) Failed to initialize fcb Status %08lX\n",
+                          Irp,
+                          ntStatus);
 
-            AFSAcquireExcl( &(*Fcb)->NPFcb->Resource,
-                            TRUE);
+            try_return( ntStatus);
         }
 
+        ntStatus = STATUS_SUCCESS;
+
         //
         // Increment the open reference and handle on the node
         //
@@ -3585,7 +3509,7 @@ AFSOpenIOCtlFcb( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenIOCtlFcb Increment count on Fcb %08lX Cnt %d\n",
+                      "AFSOpenIOCtlFcb Increment count on Fcb %p Cnt %d\n",
                       (*Fcb),
                       lCount);
 
@@ -3595,14 +3519,17 @@ AFSOpenIOCtlFcb( IN PIRP Irp,
         // Initialize the Ccb for the file.
         //
 
-        ntStatus = AFSInitCcb( Ccb);
+        ntStatus = AFSInitCcb( Ccb,
+                               pParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB,
+                               0,
+                               0);
 
         if( !NT_SUCCESS( ntStatus))
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSOpenIOCtlFcb (%08lX) Failed to initialize ccb Status %08lX\n",
+                          "AFSOpenIOCtlFcb (%p) Failed to initialize ccb Status %08lX\n",
                           Irp,
                           ntStatus);
 
@@ -3612,12 +3539,6 @@ AFSOpenIOCtlFcb( IN PIRP Irp,
         bAllocatedCcb = TRUE;
 
         //
-        // Setup the Ccb
-        //
-
-        (*Ccb)->DirectoryCB = pParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB;
-
-        //
         // Set the PIOCtl index
         //
 
@@ -3648,6 +3569,8 @@ AFSOpenIOCtlFcb( IN PIRP Irp,
                                       AuthGroup,
                                       NULL,
                                       &stFileID,
+                                      NULL,
+                                      0,
                                       (void *)&stPIOCtlOpen,
                                       sizeof( AFSPIOCtlOpenCloseRequestCB),
                                       NULL,
@@ -3658,7 +3581,7 @@ AFSOpenIOCtlFcb( IN PIRP Irp,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSOpenIOCtlFcb (%08lX) Failed service open Status %08lX\n",
+                          "AFSOpenIOCtlFcb (%p) Failed service open Status %08lX\n",
                           Irp,
                           ntStatus);
 
@@ -3666,20 +3589,6 @@ AFSOpenIOCtlFcb( IN PIRP Irp,
         }
 
         //
-        // Reference the directory entry
-        //
-
-        lCount = InterlockedIncrement( &((*Ccb)->DirectoryCB->OpenReferenceCount));
-
-        AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                      AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenIOCtlFcb Increment count on %wZ DE %p Ccb %p Cnt %d\n",
-                      &(*Ccb)->DirectoryCB->NameInformation.FileName,
-                      (*Ccb)->DirectoryCB,
-                      (*Ccb),
-                      lCount);
-
-        //
         // Increment the handle on the node
         //
 
@@ -3687,7 +3596,7 @@ AFSOpenIOCtlFcb( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenIOCtlFcb Increment handle count on Fcb %08lX Cnt %d\n",
+                      "AFSOpenIOCtlFcb Increment handle count on Fcb %p Cnt %d\n",
                       (*Fcb),
                       lCount);
 
@@ -3697,17 +3606,17 @@ AFSOpenIOCtlFcb( IN PIRP Irp,
 
         lCount = InterlockedIncrement( &pParentObjectInfo->Specific.Directory.ChildOpenHandleCount);
 
-        AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
+        AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenIOCtlFcb Increment child open handle count on Parent object %08lX Cnt %d\n",
+                      "AFSOpenIOCtlFcb Increment child open handle count on Parent object %p Cnt %d\n",
                       pParentObjectInfo,
                       lCount);
 
         lCount = InterlockedIncrement( &pParentObjectInfo->Specific.Directory.ChildOpenReferenceCount);
 
-        AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
+        AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenIOCtlFcb Increment child open ref count on Parent object %08lX Cnt %d\n",
+                      "AFSOpenIOCtlFcb Increment child open ref count on Parent object %p Cnt %d\n",
                       pParentObjectInfo,
                       lCount);
 
@@ -3720,21 +3629,6 @@ AFSOpenIOCtlFcb( IN PIRP Irp,
 try_exit:
 
         //
-        //Dereference the passed in parent since the returned dir entry
-        // is already referenced
-        //
-
-        lCount = InterlockedDecrement( &ParentDirCB->OpenReferenceCount);
-
-        AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                      AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenIOCtlFcb Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
-                      &ParentDirCB->NameInformation.FileName,
-                      ParentDirCB,
-                      NULL,
-                      lCount);
-
-        //
         // If we created the Fcb we need to release the resources
         //
 
@@ -3751,7 +3645,7 @@ try_exit:
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSOpenIOCtlFcb Decrement count on Fcb %08lX Cnt %d\n",
+                              "AFSOpenIOCtlFcb Decrement count on Fcb %p Cnt %d\n",
                               (*Fcb),
                               lCount);
             }
@@ -3771,15 +3665,9 @@ try_exit:
 
             *Ccb = NULL;
 
-            if( bAllocatedFcb)
-            {
-
-                //
-                // Need to tear down this Fcb since it is not in the tree for the worker thread
-                //
-
-                AFSRemoveFcb( &pParentObjectInfo->Specific.Directory.PIOCtlDirectoryCB->ObjectInformation->Fcb);
-            }
+            //
+            // Fcb will be freed by AFSPrimaryVolumeWorker thread
+            //
 
             *Fcb = NULL;
         }
@@ -3800,6 +3688,7 @@ AFSOpenSpecialShareFcb( IN PIRP Irp,
     PFILE_OBJECT pFileObject = NULL;
     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
     BOOLEAN bReleaseFcb = FALSE, bAllocatedCcb = FALSE, bAllocateFcb = FALSE;
+    AFSObjectInfoCB *pObjectInfo = NULL;
     AFSObjectInfoCB *pParentObjectInfo = NULL;
     AFSPipeOpenCloseRequestCB stPipeOpen;
     LONG lCount;
@@ -3811,11 +3700,18 @@ AFSOpenSpecialShareFcb( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
                       AFS_TRACE_LEVEL_VERBOSE_2,
-                      "AFSOpenSpecialShareFcb (%08lX) Processing Share %wZ open\n",
+                      "AFSOpenSpecialShareFcb (%p) Processing Share %wZ open\n",
                       Irp,
                       &DirectoryCB->NameInformation.FileName);
 
-        pParentObjectInfo = DirectoryCB->ObjectInformation->ParentObjectInformation;
+        pObjectInfo = DirectoryCB->ObjectInformation;
+
+        if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
+        {
+
+            pParentObjectInfo = AFSFindObjectInfo( pObjectInfo->VolumeCB,
+                                                   &pObjectInfo->ParentFileId);
+        }
 
         if( DirectoryCB->ObjectInformation->Fcb == NULL)
         {
@@ -3826,14 +3722,14 @@ AFSOpenSpecialShareFcb( IN PIRP Irp,
 
             ntStatus = AFSInitFcb( DirectoryCB);
 
-            *Fcb = DirectoryCB->ObjectInformation->Fcb;
+            *Fcb = pObjectInfo->Fcb;
 
             if( !NT_SUCCESS( ntStatus))
             {
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
                               AFS_TRACE_LEVEL_ERROR,
-                              "AFSOpenSpecialShareFcb (%08lX) Failed to initialize fcb Status %08lX\n",
+                              "AFSOpenSpecialShareFcb (%p) Failed to initialize fcb Status %08lX\n",
                               Irp,
                               ntStatus);
 
@@ -3851,7 +3747,7 @@ AFSOpenSpecialShareFcb( IN PIRP Irp,
         else
         {
 
-            *Fcb = DirectoryCB->ObjectInformation->Fcb;
+            *Fcb = pObjectInfo->Fcb;
 
             AFSAcquireExcl( &(*Fcb)->NPFcb->Resource,
                             TRUE);
@@ -3865,7 +3761,7 @@ AFSOpenSpecialShareFcb( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenSpecialShareFcb Increment count on Fcb %08lX Cnt %d\n",
+                      "AFSOpenSpecialShareFcb Increment count on Fcb %p Cnt %d\n",
                       (*Fcb),
                       lCount);
 
@@ -3875,14 +3771,17 @@ AFSOpenSpecialShareFcb( IN PIRP Irp,
         // Initialize the Ccb for the file.
         //
 
-        ntStatus = AFSInitCcb( Ccb);
+        ntStatus = AFSInitCcb( Ccb,
+                               DirectoryCB,
+                               0,
+                               0);
 
         if( !NT_SUCCESS( ntStatus))
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSOpenSpecialShareFcb (%08lX) Failed to initialize ccb Status %08lX\n",
+                          "AFSOpenSpecialShareFcb (%p) Failed to initialize ccb Status %08lX\n",
                           Irp,
                           ntStatus);
 
@@ -3892,12 +3791,6 @@ AFSOpenSpecialShareFcb( IN PIRP Irp,
         bAllocatedCcb = TRUE;
 
         //
-        // Setup the Ccb
-        //
-
-        (*Ccb)->DirectoryCB = DirectoryCB;
-
-        //
         // Call the service to open the share
         //
 
@@ -3919,6 +3812,8 @@ AFSOpenSpecialShareFcb( IN PIRP Irp,
                                       AuthGroup,
                                       &DirectoryCB->NameInformation.FileName,
                                       NULL,
+                                      NULL,
+                                      0,
                                       (void *)&stPipeOpen,
                                       sizeof( AFSPipeOpenCloseRequestCB),
                                       NULL,
@@ -3929,7 +3824,7 @@ AFSOpenSpecialShareFcb( IN PIRP Irp,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_PIPE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSOpenSpecialShareFcb (%08lX) Failed service open Status %08lX\n",
+                          "AFSOpenSpecialShareFcb (%p) Failed service open Status %08lX\n",
                           Irp,
                           ntStatus);
 
@@ -3940,7 +3835,7 @@ AFSOpenSpecialShareFcb( IN PIRP Irp,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenSpecialShareFcb Increment handle count on Fcb %08lX Cnt %d\n",
+                      "AFSOpenSpecialShareFcb Increment handle count on Fcb %p Cnt %d\n",
                       (*Fcb),
                       lCount);
 
@@ -3950,17 +3845,17 @@ AFSOpenSpecialShareFcb( IN PIRP Irp,
 
         lCount = InterlockedIncrement( &pParentObjectInfo->Specific.Directory.ChildOpenHandleCount);
 
-        AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
+        AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenSpecialShareFcb Increment child open handle count on Parent object %08lX Cnt %d\n",
+                      "AFSOpenSpecialShareFcb Increment child open handle count on Parent object %p Cnt %d\n",
                       pParentObjectInfo,
                       lCount);
 
         lCount = InterlockedIncrement( &pParentObjectInfo->Specific.Directory.ChildOpenReferenceCount);
 
-        AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
+        AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSOpenSpecialShareFcb Increment child open ref count on Parent object %08lX Cnt %d\n",
+                      "AFSOpenSpecialShareFcb Increment child open ref count on Parent object %p Cnt %d\n",
                       pParentObjectInfo,
                       lCount);
 
@@ -3985,7 +3880,7 @@ try_exit:
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSOpenSpecialShareFcb Decrement count on Fcb %08lX Cnt %d\n",
+                              "AFSOpenSpecialShareFcb Decrement count on Fcb %p Cnt %d\n",
                               (*Fcb),
                               lCount);
             }
@@ -4012,7 +3907,12 @@ try_exit:
                 // Need to tear down this Fcb since it is not in the tree for the worker thread
                 //
 
+                AFSAcquireExcl( &DirectoryCB->ObjectInformation->NonPagedInfo->ObjectInfoLock,
+                                TRUE);
+
                 AFSRemoveFcb( &DirectoryCB->ObjectInformation->Fcb);
+
+                AFSReleaseResource( &DirectoryCB->ObjectInformation->NonPagedInfo->ObjectInfoLock);
             }
 
             *Fcb = NULL;