Windows: AFS_SERVER_FLUSH_DELAY AFS_SERVER_PURGE_DELAY
[openafs.git] / src / WINNT / afsrdr / kernel / lib / AFSGeneric.cpp
index 6d6b126..c528232 100644 (file)
@@ -643,6 +643,7 @@ AFSInitializeGlobalDirectoryEntries()
     AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
     AFSObjectInfoCB *pObjectInfoCB = NULL;
     AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
+    LONG lCount;
 
     __Enter
     {
@@ -665,13 +666,13 @@ AFSInitializeGlobalDirectoryEntries()
             try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
         }
 
-        InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
+        lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
                       "AFSInitializeGlobalDirectoryEntries Increment count on object %08lX Cnt %d\n",
                       pObjectInfoCB,
-                      pObjectInfoCB->ObjectReferenceCount);
+                      lCount);
 
         ntStatus = STATUS_SUCCESS;
 
@@ -772,13 +773,13 @@ AFSInitializeGlobalDirectoryEntries()
             try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
         }
 
-        InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
+        lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
                       "AFSInitializeGlobalDirectoryEntries Increment count on object %08lX Cnt %d\n",
                       pObjectInfoCB,
-                      pObjectInfoCB->ObjectReferenceCount);
+                      lCount);
 
         ntStatus = STATUS_SUCCESS;
 
@@ -912,6 +913,7 @@ AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
     BOOLEAN bAllocatedObjectCB = FALSE;
     ULONGLONG ullIndex = 0;
     AFSNonPagedDirectoryCB *pNonPagedDirEntry = NULL;
+    LONG lCount;
 
     __Enter
     {
@@ -968,13 +970,13 @@ AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
                           FileName);
         }
 
-        InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
+        lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
                       "AFSInitDirEntry Increment count on object %08lX Cnt %d\n",
                       pObjectInfoCB,
-                      pObjectInfoCB->ObjectReferenceCount);
+                      lCount);
 
         AFSReleaseResource( ParentObjectInfo->VolumeCB->ObjectInfoTree.TreeLock);
 
@@ -1194,13 +1196,13 @@ try_exit:
             if( pObjectInfoCB != NULL)
             {
 
-                InterlockedDecrement( &pObjectInfoCB->ObjectReferenceCount);
+                lCount = InterlockedDecrement( &pObjectInfoCB->ObjectReferenceCount);
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
                               "AFSInitDirEntry Decrement count on object %08lX Cnt %d\n",
                               pObjectInfoCB,
-                              pObjectInfoCB->ObjectReferenceCount);
+                              lCount);
 
                 if( bAllocatedObjectCB)
                 {
@@ -1565,6 +1567,7 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
     AFSObjectInfoCB *pObjectInfo = NULL;
     IO_STATUS_BLOCK stIoStatus;
     ULONG ulFilter = 0;
+    LONG lCount;
 
     __Enter
     {
@@ -1598,13 +1601,13 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
         if( pVolumeCB != NULL)
         {
 
-            InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
+            lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
                           "AFSInvalidateCache Increment count on volume %08lX Cnt %d\n",
                           pVolumeCB,
-                          pVolumeCB->VolumeReferenceCount);
+                          lCount);
         }
 
         AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
@@ -1629,13 +1632,13 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
             AFSFsRtlNotifyFullReportChange( &pVolumeCB->ObjectInformation,
                                             NULL,
                                             FILE_NOTIFY_CHANGE_FILE_NAME |
-                                                FILE_NOTIFY_CHANGE_DIR_NAME |
-                                                FILE_NOTIFY_CHANGE_NAME |
-                                                FILE_NOTIFY_CHANGE_ATTRIBUTES |
-                                                FILE_NOTIFY_CHANGE_SIZE,
+                                            FILE_NOTIFY_CHANGE_DIR_NAME |
+                                            FILE_NOTIFY_CHANGE_NAME |
+                                            FILE_NOTIFY_CHANGE_ATTRIBUTES |
+                                            FILE_NOTIFY_CHANGE_SIZE,
                                             FILE_ACTION_MODIFIED);
 
-            InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+            lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
 
             try_return( ntStatus);
         }
@@ -1643,7 +1646,7 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
         AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
                           TRUE);
 
-        InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+        lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
@@ -1664,13 +1667,13 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
             // Reference the node so it won't be torn down
             //
 
-            InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
+            lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
                           "AFSInvalidateCache Increment count on object %08lX Cnt %d\n",
                           pObjectInfo,
-                          pObjectInfo->ObjectReferenceCount);
+                          lCount);
         }
 
         AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
@@ -1709,10 +1712,12 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
             else
             {
 
-                if( InvalidateCB->Reason == AFS_INVALIDATE_FLUSHED ||
-                    InvalidateCB->Reason == AFS_INVALIDATE_DATA_VERSION)
+                if( InvalidateCB->Reason == AFS_INVALIDATE_FLUSHED)
                 {
+
                     pObjectInfo->DataVersion.QuadPart = (ULONGLONG)-1;
+
+                    SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
                 }
 
                 pObjectInfo->Expiration.QuadPart = 0;
@@ -1739,7 +1744,8 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
                 ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
             }
 
-            if( InvalidateCB->Reason == AFS_INVALIDATE_DATA_VERSION)
+            if( InvalidateCB->Reason == AFS_INVALIDATE_DATA_VERSION ||
+                InvalidateCB->Reason == AFS_INVALIDATE_FLUSHED)
             {
                 ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
             }
@@ -1793,7 +1799,9 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
                                   pObjectInfo->ParentObjectInformation->FileId.Unique);
 
                     SetFlag( pObjectInfo->ParentObjectInformation->Flags, AFS_OBJECT_FLAGS_VERIFY);
+
                     pObjectInfo->ParentObjectInformation->DataVersion.QuadPart = (ULONGLONG)-1;
+
                     pObjectInfo->ParentObjectInformation->Expiration.QuadPart = 0;
                 }
 
@@ -1811,6 +1819,21 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
                                                 ulFilter,
                                                 FILE_ACTION_REMOVED);
 
+                if( pObjectInfo->FileType == AFS_FILE_TYPE_FILE &&
+                    pObjectInfo->Fcb != NULL)
+                {
+
+
+                    //
+                    // Clear out the extents
+                    // And get rid of them (note this involves waiting
+                    // for any writes or reads to the cache to complete)
+                    //
+
+                    (VOID) AFSTearDownFcbExtents( pObjectInfo->Fcb,
+                                                  NULL);
+                }
+
                 break;
             }
 
@@ -1875,7 +1898,25 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
                     // for any writes or reads to the cache to complete)
                     //
 
-                    (VOID) AFSTearDownFcbExtents( pObjectInfo->Fcb);
+                    (VOID) AFSTearDownFcbExtents( pObjectInfo->Fcb,
+                                                  NULL);
+                }
+
+                pObjectInfo->DataVersion.QuadPart = (ULONGLONG)-1;
+
+
+                if( pObjectInfo->FileType == AFS_FILE_TYPE_FILE)
+                {
+
+                    AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                                  AFS_TRACE_LEVEL_VERBOSE,
+                                  "AFSInvalidateCache Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
+                                  pObjectInfo->FileId.Cell,
+                                  pObjectInfo->FileId.Volume,
+                                  pObjectInfo->FileId.Vnode,
+                                  pObjectInfo->FileId.Unique);
+
+                    SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
                 }
 
                 // Fall through to the default processing
@@ -1928,26 +1969,6 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
 
                 SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
 
-                if( InvalidateCB->Reason == AFS_INVALIDATE_FLUSHED ||
-                    InvalidateCB->Reason == AFS_INVALIDATE_DATA_VERSION)
-                {
-                    pObjectInfo->DataVersion.QuadPart = (ULONGLONG)-1;
-
-                    if( pObjectInfo->FileType == AFS_FILE_TYPE_FILE)
-                    {
-
-                        AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                                      AFS_TRACE_LEVEL_VERBOSE,
-                                      "AFSInvalidateCache Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
-                                      pObjectInfo->FileId.Cell,
-                                      pObjectInfo->FileId.Volume,
-                                      pObjectInfo->FileId.Vnode,
-                                      pObjectInfo->FileId.Unique);
-
-                        SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
-                    }
-                }
-
                 break;
             }
         }
@@ -1957,13 +1978,13 @@ try_exit:
         if( pObjectInfo != NULL)
         {
 
-            InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
+            lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
                           "AFSInvalidateCache Decrement count on object %08lX Cnt %d\n",
                           pObjectInfo,
-                          pObjectInfo->ObjectReferenceCount);
+                          lCount);
         }
     }
 
@@ -2430,7 +2451,8 @@ AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
                         // for any writes or reads to the cache to complete)
                         //
 
-                        (VOID) AFSTearDownFcbExtents( pFcb);
+                        (VOID) AFSTearDownFcbExtents( pFcb,
+                                                      NULL);
                     }
 
                     pCurrentObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
@@ -2460,8 +2482,7 @@ AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
 
                 SetFlag( VolumeCB->ObjectInformation.Flags, AFS_OBJECT_FLAGS_VERIFY);
 
-                if( Reason == AFS_INVALIDATE_FLUSHED ||
-                    Reason == AFS_INVALIDATE_DATA_VERSION)
+                if( Reason == AFS_INVALIDATE_FLUSHED)
                 {
 
                     VolumeCB->ObjectInformation.DataVersion.QuadPart = (ULONGLONG)-1;
@@ -2478,7 +2499,8 @@ AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
                     ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
                 }
 
-                if( Reason == AFS_INVALIDATE_DATA_VERSION)
+                if( Reason == AFS_INVALIDATE_DATA_VERSION ||
+                    Reason == AFS_INVALIDATE_FLUSHED)
                 {
                     ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
                 }
@@ -2520,25 +2542,25 @@ AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
 
                     SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_VERIFY);
 
-                    if( Reason == AFS_INVALIDATE_FLUSHED ||
-                        Reason == AFS_INVALIDATE_DATA_VERSION)
+                    if( Reason == AFS_INVALIDATE_FLUSHED)
                     {
 
                         pCurrentObject->DataVersion.QuadPart = (ULONGLONG)-1;
+                    }
 
-                        if( pCurrentObject->FileType == AFS_FILE_TYPE_FILE)
-                        {
+                    if( Reason == AFS_INVALIDATE_FLUSHED &&
+                        pCurrentObject->FileType == AFS_FILE_TYPE_FILE)
+                    {
 
-                            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                                          AFS_TRACE_LEVEL_VERBOSE,
-                                          "AFSInvalidateVolume Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
-                                          pCurrentObject->FileId.Cell,
-                                          pCurrentObject->FileId.Volume,
-                                          pCurrentObject->FileId.Vnode,
-                                          pCurrentObject->FileId.Unique);
+                        AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                                      AFS_TRACE_LEVEL_VERBOSE,
+                                      "AFSInvalidateVolume Setting VERIFY_DATA flag on fid %08lX-%08lX-%08lX-%08lX\n",
+                                      pCurrentObject->FileId.Cell,
+                                      pCurrentObject->FileId.Volume,
+                                      pCurrentObject->FileId.Vnode,
+                                      pCurrentObject->FileId.Unique);
 
-                            SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
-                        }
+                        SetFlag( pCurrentObject->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
                     }
 
                     if( pCurrentObject->FileType == AFS_FILE_TYPE_DIRECTORY)
@@ -2555,7 +2577,8 @@ AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
                         ulFilter |= FILE_NOTIFY_CHANGE_SECURITY;
                     }
 
-                    if( Reason == AFS_INVALIDATE_DATA_VERSION)
+                    if( Reason == AFS_INVALIDATE_DATA_VERSION ||
+                        Reason == AFS_INVALIDATE_FLUSHED)
                     {
                         ulFilter |= FILE_NOTIFY_CHANGE_SIZE | FILE_NOTIFY_CHANGE_LAST_WRITE;
                     }
@@ -2821,7 +2844,8 @@ AFSVerifyEntry( IN GUID *AuthGroup,
 
                     if ( bPurgeExtents)
                     {
-                        AFSFlushExtents( pObjectInfo->Fcb);
+                        AFSFlushExtents( pObjectInfo->Fcb,
+                                         AuthGroup);
                     }
 
                     //
@@ -2898,10 +2922,16 @@ AFSVerifyEntry( IN GUID *AuthGroup,
                     AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
                                     TRUE);
 
-                    AFSValidateDirectoryCache( pObjectInfo,
-                                               AuthGroup);
+                    ntStatus = AFSValidateDirectoryCache( pObjectInfo,
+                                                          AuthGroup);
 
                     AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
+
+                    if ( !NT_SUCCESS( ntStatus))
+                    {
+
+                        try_return( ntStatus);
+                    }
                 }
 
                 //
@@ -2984,8 +3014,13 @@ AFSVerifyEntry( IN GUID *AuthGroup,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_WARNING,
-                              "AFSVerifyEntry Attempt to verify node of type %d\n",
-                              pObjectInfo->FileType);
+                              "AFSVerifyEntry Attempt to verify node of type %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
+                              pObjectInfo->FileType,
+                              &DirEntry->NameInformation.FileName,
+                              pObjectInfo->FileId.Cell,
+                              pObjectInfo->FileId.Volume,
+                              pObjectInfo->FileId.Vnode,
+                              pObjectInfo->FileId.Unique);
 
                 break;
         }
@@ -3012,6 +3047,7 @@ AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
     AFSVolumeCB *pVolumeCB = NULL;
     AFSFcb *pFcb = NULL;
     AFSObjectInfoCB *pCurrentObject = NULL;
+    LONG lCount;
 
     __Enter
     {
@@ -3048,7 +3084,7 @@ AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
         if( pVolumeCB != NULL)
         {
 
-            InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
+            lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
 
             AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
 
@@ -3135,7 +3171,8 @@ AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
                     // for any writes or reads to the cache to complete)
                     //
 
-                    (VOID) AFSTearDownFcbExtents( pFcb);
+                    (VOID) AFSTearDownFcbExtents( pFcb,
+                                                  NULL);
                 }
 
                 pCurrentObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
@@ -3143,7 +3180,7 @@ AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
 
             AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
 
-            InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+            lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
         }
         else
         {
@@ -3323,8 +3360,13 @@ AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
         // Reget the directory contents
         //
 
-        AFSVerifyDirectoryContent( ObjectInfo,
-                                   AuthGroup);
+        ntStatus = AFSVerifyDirectoryContent( ObjectInfo,
+                                              AuthGroup);
+
+        if ( !NT_SUCCESS( ntStatus))
+        {
+            try_return( ntStatus);
+        }
 
         //
         // Now start again and tear down any entries not valid
@@ -3439,6 +3481,8 @@ AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
         }
 #endif
 
+try_exit:
+
         if( bAcquiredLock)
         {
 
@@ -3716,7 +3760,8 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSValidateEntry Failed to evaluate entry %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
+                          "AFSValidateEntry Failed to evaluate entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
+                          FastCall,
                           &DirEntry->NameInformation.FileName,
                           pObjectInfo->FileId.Cell,
                           pObjectInfo->FileId.Volume,
@@ -3733,7 +3778,8 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                       AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
+                      "AFSValidateEntry Validating entry FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX DV %I64X returned DV %I64X FT %d\n",
+                      FastCall,
                       &DirEntry->NameInformation.FileName,
                       pObjectInfo->FileId.Cell,
                       pObjectInfo->FileId.Volume,
@@ -3886,7 +3932,8 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
 
                     if ( bPurgeExtents)
                     {
-                        AFSFlushExtents( pCurrentFcb);
+                        AFSFlushExtents( pCurrentFcb,
+                                         AuthGroup);
                     }
 
                     //
@@ -4028,8 +4075,14 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                               AFS_TRACE_LEVEL_WARNING,
-                              "AFSValidateEntry Attempt to verify node of type %d\n",
-                              pObjectInfo->FileType);
+                              "AFSValidateEntry Attempt to verify node of type %d FastCall %d %wZ FID %08lX-%08lX-%08lX-%08lX\n",
+                              pObjectInfo->FileType,
+                              FastCall,
+                              &DirEntry->NameInformation.FileName,
+                              pObjectInfo->FileId.Cell,
+                              pObjectInfo->FileId.Volume,
+                              pObjectInfo->FileId.Vnode,
+                              pObjectInfo->FileId.Unique);
 
                 break;
         }
@@ -4790,6 +4843,7 @@ AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
 
     AFSNameArrayHdr *pNameArray = NULL;
     AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
+    LONG lCount;
 
     __Enter
     {
@@ -4826,16 +4880,16 @@ AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
 
             pNameArray->CurrentEntry = &pNameArray->ElementArray[ 0];
 
-            InterlockedIncrement( &pNameArray->Count);
+            lCount = InterlockedIncrement( &pNameArray->Count);
 
-            InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
+            lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
                           "AFSInitNameArray Increment count on %wZ DE %p Cnt %d\n",
                           &DirectoryCB->NameInformation.FileName,
                           DirectoryCB,
-                          DirectoryCB->OpenReferenceCount);
+                          lCount);
 
             pNameArray->CurrentEntry->DirectoryCB = DirectoryCB;
 
@@ -4865,6 +4919,7 @@ AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
     ULONG  ulTotalCount = 0;
     ULONG ulIndex = 0;
     USHORT usLength = 0;
+    LONG lCount;
 
     __Enter
     {
@@ -4883,14 +4938,14 @@ AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
 
         pCurrentElement->DirectoryCB = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB;
 
-        InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
+        lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
                       "AFSPopulateNameArray Increment count on volume %wZ DE %p Cnt %d\n",
                       &pCurrentElement->DirectoryCB->NameInformation.FileName,
                       pCurrentElement->DirectoryCB,
-                      pCurrentElement->DirectoryCB->OpenReferenceCount);
+                      lCount);
 
         pCurrentElement->Component = DirectoryCB->ObjectInformation->VolumeCB->DirectoryCB->NameInformation.FileName;
 
@@ -4930,6 +4985,7 @@ AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
     ULONG  ulTotalCount = 0;
     ULONG ulIndex = 0;
     USHORT usLength = 0;
+    LONG lCount;
 
     __Enter
     {
@@ -4959,16 +5015,16 @@ AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
 
             pCurrentElement->FileId    = pCurrentElement->DirectoryCB->ObjectInformation->FileId;
 
-            InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
+            lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
                           "AFSPopulateNameArrayFromRelatedArray Increment count on %wZ DE %p Cnt %d\n",
                           &pCurrentElement->DirectoryCB->NameInformation.FileName,
                           pCurrentElement->DirectoryCB,
-                          pCurrentElement->DirectoryCB->OpenReferenceCount);
+                          lCount);
 
-            InterlockedIncrement( &NameArray->Count);
+            lCount = InterlockedIncrement( &NameArray->Count);
 
             if( pCurrentElement->DirectoryCB == DirectoryCB ||
                 NameArray->Count == RelatedNameArray->Count)
@@ -5001,6 +5057,7 @@ AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
 
     NTSTATUS ntStatus = STATUS_SUCCESS;
     AFSNameArrayCB *pCurrentElement = NULL;
+    LONG lCount;
 
     __Enter
     {
@@ -5016,14 +5073,14 @@ AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
                 break;
             }
 
-            InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
+            lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
                           "AFSFreeNameArray Decrement count on %wZ DE %p Cnt %d\n",
                           &pCurrentElement->DirectoryCB->NameInformation.FileName,
                           pCurrentElement->DirectoryCB,
-                          pCurrentElement->DirectoryCB->OpenReferenceCount);
+                          lCount);
 
             pCurrentElement++;
         }
@@ -5041,6 +5098,7 @@ AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
 
     NTSTATUS ntStatus = STATUS_SUCCESS;
     AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
+    LONG lCount;
 
     __Enter
     {
@@ -5068,16 +5126,16 @@ AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
             NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
         }
 
-        InterlockedIncrement( &NameArray->Count);
+        lCount = InterlockedIncrement( &NameArray->Count);
 
-        InterlockedIncrement( &DirEntry->OpenReferenceCount);
+        lCount = InterlockedIncrement( &DirEntry->OpenReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
                       "AFSInsertNextElement Increment count on %wZ DE %p Cnt %d\n",
                       &DirEntry->NameInformation.FileName,
                       DirEntry,
-                      DirEntry->OpenReferenceCount);
+                      lCount);
 
         NameArray->CurrentEntry->DirectoryCB = DirEntry;
 
@@ -5097,26 +5155,27 @@ void
 AFSReplaceCurrentElement( IN AFSNameArrayHdr *NameArray,
                           IN AFSDirectoryCB *DirectoryCB)
 {
+    LONG lCount;
 
     ASSERT( NameArray->CurrentEntry != NULL);
 
-    InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
+    lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
 
     AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                   AFS_TRACE_LEVEL_VERBOSE,
                   "AFSReplaceCurrentElement Decrement count on %wZ DE %p Cnt %d\n",
                   &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
                   NameArray->CurrentEntry->DirectoryCB,
-                  NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
+                  lCount);
 
-    InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
+    lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
 
     AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                   AFS_TRACE_LEVEL_VERBOSE,
                   "AFSReplaceCurrentElement Increment count on %wZ DE %p Cnt %d\n",
                   &DirectoryCB->NameInformation.FileName,
                   DirectoryCB,
-                  DirectoryCB->OpenReferenceCount);
+                  lCount);
 
     NameArray->CurrentEntry->DirectoryCB = DirectoryCB;
 
@@ -5138,6 +5197,7 @@ AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
 {
 
     AFSDirectoryCB *pCurrentDirEntry = NULL;
+    LONG lCount;
 
     __Enter
     {
@@ -5147,18 +5207,20 @@ AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
             try_return( pCurrentDirEntry);
         }
 
-        InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
+        lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
                       "AFSBackupEntry Decrement count on %wZ DE %p Cnt %d\n",
                       &NameArray->CurrentEntry->DirectoryCB->NameInformation.FileName,
                       NameArray->CurrentEntry->DirectoryCB,
-                      NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
+                      lCount);
 
         NameArray->CurrentEntry->DirectoryCB = NULL;
 
-        if( InterlockedDecrement( &NameArray->Count) == 0)
+        lCount = InterlockedDecrement( &NameArray->Count);
+
+        if( lCount == 0)
         {
             NameArray->CurrentEntry = NULL;
         }
@@ -5212,6 +5274,7 @@ AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
 
     AFSNameArrayCB *pCurrentElement = NULL;
     AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
+    LONG lCount;
 
     __Enter
     {
@@ -5227,14 +5290,14 @@ AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
                 break;
             }
 
-            InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
+            lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
                           "AFSResetNameArray Decrement count on %wZ DE %p Cnt %d\n",
                           &pCurrentElement->DirectoryCB->NameInformation.FileName,
                           pCurrentElement->DirectoryCB,
-                          pCurrentElement->DirectoryCB->OpenReferenceCount);
+                          lCount);
 
             pCurrentElement++;
         }
@@ -5250,16 +5313,16 @@ AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
 
             NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
 
-            InterlockedIncrement( &NameArray->Count);
+            lCount = InterlockedIncrement( &NameArray->Count);
 
-            InterlockedIncrement( &DirEntry->OpenReferenceCount);
+            lCount = InterlockedIncrement( &DirEntry->OpenReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
                           "AFSResetNameArray Increment count on %wZ DE %p Cnt %d\n",
                           &DirEntry->NameInformation.FileName,
                           DirEntry,
-                          DirEntry->OpenReferenceCount);
+                          lCount);
 
             NameArray->CurrentEntry->DirectoryCB = DirEntry;
 
@@ -5303,6 +5366,7 @@ AFSDumpNameArray( IN AFSNameArrayHdr *NameArray)
 void
 AFSSetEnumerationEvent( IN AFSFcb *Fcb)
 {
+    LONG lCount;
 
     //
     // Depending on the type of node, set the event
@@ -5318,7 +5382,7 @@ AFSSetEnumerationEvent( IN AFSFcb *Fcb)
                         0,
                         FALSE);
 
-            InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
+            lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
 
             break;
         }
@@ -5331,7 +5395,7 @@ AFSSetEnumerationEvent( IN AFSFcb *Fcb)
                         0,
                         FALSE);
 
-            InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
+            lCount = InterlockedIncrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
 
             break;
         }
@@ -5344,6 +5408,8 @@ void
 AFSClearEnumerationEvent( IN AFSFcb *Fcb)
 {
 
+    LONG lCount;
+
     //
     // Depending on the type of node, set the event
     //
@@ -5356,7 +5422,9 @@ AFSClearEnumerationEvent( IN AFSFcb *Fcb)
 
             ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
 
-            if( InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount) == 0)
+            lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
+
+            if( lCount == 0)
             {
 
                 KeClearEvent( &Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent);
@@ -5371,7 +5439,9 @@ AFSClearEnumerationEvent( IN AFSFcb *Fcb)
 
             ASSERT( Fcb->NPFcb->Specific.Directory.DirectoryEnumCount > 0);
 
-            if( InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount) == 0)
+            lCount = InterlockedDecrement( &Fcb->NPFcb->Specific.Directory.DirectoryEnumCount);
+
+            if( lCount == 0)
             {
 
                 KeClearEvent( &Fcb->NPFcb->Specific.Directory.DirectoryEnumEvent);
@@ -5570,6 +5640,7 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
                            IN AFSDirectoryCB *DirectoryCB,
                            IN UNICODE_STRING *ParentPathName,
                            IN AFSNameArrayHdr *RelatedNameArray,
+                           IN GUID           *AuthGroup,
                            OUT AFSFileInfoCB *FileInfo)
 {
 
@@ -5582,7 +5653,7 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
     WCHAR *pwchBuffer = NULL;
     UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
     ULONG ulNameDifference = 0;
-    GUID *pAuthGroup = NULL;
+    LONG lCount;
 
     __Enter
     {
@@ -5599,17 +5670,8 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
 
             AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
 
-            if( ParentDirectoryCB->ObjectInformation->Fcb != NULL)
-            {
-                pAuthGroup = &ParentDirectoryCB->ObjectInformation->Fcb->AuthGroup;
-            }
-            else if( DirectoryCB->ObjectInformation->Fcb != NULL)
-            {
-                pAuthGroup = &DirectoryCB->ObjectInformation->Fcb->AuthGroup;
-            }
-
             ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
-                                              pAuthGroup,
+                                              AuthGroup,
                                               FALSE,
                                               &pDirEntry);
 
@@ -5620,7 +5682,7 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
                 if( pDirEntry != NULL)
                 {
 
-                    ntStatus = STATUS_ACCESS_DENIED;
+                    ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
                 }
 
                 try_return( ntStatus);
@@ -5755,9 +5817,6 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
 
             pVolumeCB = ParentDirectoryCB->ObjectInformation->VolumeCB;
 
-            AFSAcquireShared( pVolumeCB->VolumeLock,
-                              TRUE);
-
             pParentDirEntry = ParentDirectoryCB;
         }
         else
@@ -5835,9 +5894,6 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
 
             pVolumeCB = AFSGlobalRoot;
 
-            AFSAcquireShared( pVolumeCB->VolumeLock,
-                              TRUE);
-
             pParentDirEntry = AFSGlobalRoot->DirectoryCB;
         }
 
@@ -5845,15 +5901,15 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
         // Increment the ref count on the volume and dir entry for correct processing below
         //
 
-        InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
+        lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
                       "AFSRetrieveFileAttributes Increment count on volume %08lX Cnt %d\n",
                       pVolumeCB,
-                      pVolumeCB->VolumeReferenceCount);
+                      lCount);
 
-        InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
+        lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
@@ -5861,7 +5917,7 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
                       &pParentDirEntry->NameInformation.FileName,
                       pParentDirEntry,
                       NULL,
-                      pParentDirEntry->OpenReferenceCount);
+                      lCount);
 
         ntStatus = AFSLocateNameEntry( NULL,
                                        NULL,
@@ -5888,21 +5944,19 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
                 if( pVolumeCB != NULL)
                 {
 
-                    InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+                    lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                                   AFS_TRACE_LEVEL_VERBOSE,
                                   "AFSRetrieveFileAttributes Decrement count on volume %08lX Cnt %d\n",
                                   pVolumeCB,
-                                  pVolumeCB->VolumeReferenceCount);
-
-                    AFSReleaseResource( pVolumeCB->VolumeLock);
+                                  lCount);
                 }
 
                 if( pDirectoryEntry != NULL)
                 {
 
-                    InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
+                    lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                                   AFS_TRACE_LEVEL_VERBOSE,
@@ -5910,12 +5964,12 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
                                   &pDirectoryEntry->NameInformation.FileName,
                                   pDirectoryEntry,
                                   NULL,
-                                  pDirectoryEntry->OpenReferenceCount);
+                                  lCount);
                 }
                 else
                 {
 
-                    InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
+                    lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                                   AFS_TRACE_LEVEL_VERBOSE,
@@ -5923,7 +5977,7 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
                                   &pParentDirEntry->NameInformation.FileName,
                                   pParentDirEntry,
                                   NULL,
-                                  pParentDirEntry->OpenReferenceCount);
+                                  lCount);
                 }
             }
 
@@ -5979,7 +6033,7 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
         // Remove the reference made above
         //
 
-        InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
+        lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
@@ -5987,7 +6041,7 @@ AFSRetrieveFileAttributes( IN AFSDirectoryCB *ParentDirectoryCB,
                       &pDirectoryEntry->NameInformation.FileName,
                       pDirectoryEntry,
                       NULL,
-                      pDirectoryEntry->OpenReferenceCount);
+                      lCount);
 
 try_exit:
 
@@ -6000,15 +6054,13 @@ try_exit:
         if( pVolumeCB != NULL)
         {
 
-            InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+            lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
                           "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
                           pVolumeCB,
-                          pVolumeCB->VolumeReferenceCount);
-
-            AFSReleaseResource( pVolumeCB->VolumeLock);
+                          lCount);
         }
 
         if( pNameArray != NULL)
@@ -6049,6 +6101,7 @@ AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
 
     NTSTATUS ntStatus = STATUS_SUCCESS;
     AFSObjectInfoCB *pObjectInfo = NULL;
+    LONG lCount;
 
     __Enter
     {
@@ -6088,7 +6141,7 @@ AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
 
         if( ParentObjectInfo != NULL)
         {
-            InterlockedIncrement( &ParentObjectInfo->ObjectReferenceCount);
+            lCount = InterlockedIncrement( &ParentObjectInfo->ObjectReferenceCount);
         }
 
         //
@@ -6159,6 +6212,7 @@ AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
 {
 
     BOOLEAN bAcquiredTreeLock = FALSE;
+    LONG lCount;
 
     if( !ExIsResourceAcquiredExclusiveLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
     {
@@ -6222,7 +6276,8 @@ AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
 
     if( ObjectInfo->ParentObjectInformation != NULL)
     {
-        InterlockedDecrement( &ObjectInfo->ParentObjectInformation->ObjectReferenceCount);
+
+        lCount = InterlockedDecrement( &ObjectInfo->ParentObjectInformation->ObjectReferenceCount);
     }
 
     if( bAcquiredTreeLock)
@@ -6264,11 +6319,22 @@ AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
     WCHAR *pwchBuffer = NULL;
     UNICODE_STRING uniComponentName, uniRemainingPath, uniParsedName;
     ULONG ulNameDifference = 0;
-    GUID *pAuthGroup = NULL;
+    GUID    stAuthGroup;
+    LONG lCount;
 
     __Enter
     {
 
+        ntStatus = AFSRetrieveValidAuthGroup( NULL,
+                                              DirectoryCB->ObjectInformation,
+                                              FALSE,
+                                              &stAuthGroup);
+
+        if( !NT_SUCCESS( ntStatus))
+        {
+            try_return( ntStatus);
+        }
+
         //
         // Retrieve a target name for the entry
         //
@@ -6281,13 +6347,8 @@ AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
 
             AFSReleaseResource( &DirectoryCB->NonPaged->Lock);
 
-            if( DirectoryCB->ObjectInformation->Fcb != NULL)
-            {
-                pAuthGroup = &DirectoryCB->ObjectInformation->Fcb->AuthGroup;
-            }
-
             ntStatus = AFSEvaluateTargetByID( DirectoryCB->ObjectInformation,
-                                              pAuthGroup,
+                                              &stAuthGroup,
                                               FALSE,
                                               &pDirEntry);
 
@@ -6298,7 +6359,7 @@ AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
                 if( pDirEntry != NULL)
                 {
 
-                    ntStatus = STATUS_ACCESS_DENIED;
+                    ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
                 }
 
                 try_return( ntStatus);
@@ -6411,20 +6472,17 @@ AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
 
         pVolumeCB = AFSGlobalRoot;
 
-        AFSAcquireShared( pVolumeCB->VolumeLock,
-                          TRUE);
-
         pParentDirEntry = AFSGlobalRoot->DirectoryCB;
 
-        InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
+        lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
                       "AFSEvaluateRootEntry Increment count on volume %08lX Cnt %d\n",
                       pVolumeCB,
-                      pVolumeCB->VolumeReferenceCount);
+                      lCount);
 
-        InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
+        lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
@@ -6432,7 +6490,7 @@ AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
                       &pParentDirEntry->NameInformation.FileName,
                       pParentDirEntry,
                       NULL,
-                      pParentDirEntry->OpenReferenceCount);
+                      lCount);
 
         ntStatus = AFSLocateNameEntry( NULL,
                                        NULL,
@@ -6459,21 +6517,19 @@ AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
                 if( pVolumeCB != NULL)
                 {
 
-                    InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+                    lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                                   AFS_TRACE_LEVEL_VERBOSE,
                                   "AFSEvaluateRootEntry Decrement count on volume %08lX Cnt %d\n",
                                   pVolumeCB,
-                                  pVolumeCB->VolumeReferenceCount);
-
-                    AFSReleaseResource( pVolumeCB->VolumeLock);
+                                  lCount);
                 }
 
                 if( pDirectoryEntry != NULL)
                 {
 
-                    InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
+                    lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                                   AFS_TRACE_LEVEL_VERBOSE,
@@ -6481,12 +6537,12 @@ AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
                                   &pDirectoryEntry->NameInformation.FileName,
                                   pDirectoryEntry,
                                   NULL,
-                                  pDirectoryEntry->OpenReferenceCount);
+                                  lCount);
                 }
                 else
                 {
 
-                    InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
+                    lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                                   AFS_TRACE_LEVEL_VERBOSE,
@@ -6494,7 +6550,7 @@ AFSEvaluateRootEntry( IN AFSDirectoryCB *DirectoryCB,
                                   &pParentDirEntry->NameInformation.FileName,
                                   pParentDirEntry,
                                   NULL,
-                                  pParentDirEntry->OpenReferenceCount);
+                                  lCount);
                 }
             }
 
@@ -6520,15 +6576,13 @@ try_exit:
         if( pVolumeCB != NULL)
         {
 
-            InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+            lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
                           "AFSEvaluateRootEntry2 Decrement count on volume %08lX Cnt %d\n",
                           pVolumeCB,
-                          pVolumeCB->VolumeReferenceCount);
-
-            AFSReleaseResource( pVolumeCB->VolumeLock);
+                          lCount);
         }
 
         if( pNameArray != NULL)
@@ -6639,10 +6693,12 @@ AFSCleanupFcb( IN AFSFcb *Fcb,
                 // Now perform another flush on the file
                 //
 
-                if( !NT_SUCCESS( AFSFlushExtents( Fcb)))
+                if( !NT_SUCCESS( AFSFlushExtents( Fcb,
+                                                  NULL)))
                 {
 
-                    AFSReleaseExtentsWithFlush( Fcb);
+                    AFSReleaseExtentsWithFlush( Fcb,
+                                                NULL);
                 }
             }
 
@@ -6651,7 +6707,8 @@ AFSCleanupFcb( IN AFSFcb *Fcb,
                 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
             {
 
-                AFSTearDownFcbExtents( Fcb);
+                AFSTearDownFcbExtents( Fcb,
+                                       NULL);
             }
 
             try_return( ntStatus);
@@ -6671,12 +6728,13 @@ AFSCleanupFcb( IN AFSFcb *Fcb,
               (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
                                                     >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
         {
-
-            if( !NT_SUCCESS( AFSFlushExtents( Fcb)) &&
+            if( !NT_SUCCESS( AFSFlushExtents( Fcb,
+                                              NULL)) &&
                 Fcb->OpenReferenceCount == 0)
             {
 
-                AFSReleaseExtentsWithFlush( Fcb);
+                AFSReleaseExtentsWithFlush( Fcb,
+                                            NULL);
             }
         }
         else if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
@@ -6687,7 +6745,8 @@ AFSCleanupFcb( IN AFSFcb *Fcb,
             // The file has been marked as invalid.  Dump it
             //
 
-            AFSTearDownFcbExtents( Fcb);
+            AFSTearDownFcbExtents( Fcb,
+                                   NULL);
         }
 
         //
@@ -6751,7 +6810,8 @@ AFSCleanupFcb( IN AFSFcb *Fcb,
                 // Tear em down we'll not be needing them again
                 //
 
-                AFSTearDownFcbExtents( Fcb);
+                AFSTearDownFcbExtents( Fcb,
+                                       NULL);
             }
         }
 
@@ -7372,10 +7432,9 @@ AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
         ulTimeIncrement = KeQueryTimeIncrement();
 
         pControlDevExt->Specific.Control.ObjectLifeTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_OBJECT_LIFETIME / (ULONGLONG)ulTimeIncrement);
-        pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_ONE_SECOND;
-        pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart *= AFS_SERVER_PURGE_DELAY;
+        pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart = AFS_SERVER_PURGE_DELAY;
         pControlDevExt->Specific.Control.FcbPurgeTimeCount.QuadPart /= ulTimeIncrement;
-        pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)(AFS_ONE_SECOND * AFS_SERVER_FLUSH_DELAY) / (ULONGLONG)ulTimeIncrement);
+        pControlDevExt->Specific.Control.FcbFlushTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_SERVER_FLUSH_DELAY / (ULONGLONG)ulTimeIncrement);
         pControlDevExt->Specific.Control.ExtentRequestTimeCount.QuadPart = (ULONGLONG)((ULONGLONG)AFS_EXTENT_REQUEST_TIME/(ULONGLONG)ulTimeIncrement);
 
         //
@@ -7553,6 +7612,7 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
     UNICODE_STRING uniFullPathName, uniRemainingPath, uniComponentName, uniParsedName;
     AFSNameArrayHdr *pNameArray = NULL;
     AFSDirectoryCB *pDirectoryEntry = NULL, *pParentDirEntry = NULL;
+    LONG lCount;
 
     __Enter
     {
@@ -7583,13 +7643,13 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
             if( pVolumeCB != NULL)
             {
 
-                InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
+                lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
                               "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
                               pVolumeCB,
-                              pVolumeCB->VolumeReferenceCount);
+                              lCount);
             }
 
             AFSReleaseResource( &pDevExt->Specific.RDR.VolumeTreeLock);
@@ -7605,9 +7665,9 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
 
                 pObjectInfo = &pVolumeCB->ObjectInformation;
 
-                InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
+                lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
 
-                InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+                lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
             }
             else
             {
@@ -7615,13 +7675,13 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
                 AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
                                   TRUE);
 
-                InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+                lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
                               "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
                               pVolumeCB,
-                              pVolumeCB->VolumeReferenceCount);
+                              lCount);
 
                 ullIndex = AFSCreateLowIndex( &GetStatusInfo->FileID);
 
@@ -7636,13 +7696,13 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
                     // Reference the node so it won't be torn down
                     //
 
-                    InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
+                    lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                                   AFS_TRACE_LEVEL_VERBOSE,
                                   "AFSGetObjectStatus Increment count on object %08lX Cnt %d\n",
                                   pObjectInfo,
-                                  pObjectInfo->ObjectReferenceCount);
+                                  lCount);
                 }
 
                 AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
@@ -7706,24 +7766,21 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
 
             pVolumeCB = AFSGlobalRoot;
 
-            AFSAcquireShared( pVolumeCB->VolumeLock,
-                              TRUE);
-
             pParentDirEntry = AFSGlobalRoot->DirectoryCB;
 
             //
             // Increment the ref count on the volume and dir entry for correct processing below
             //
 
-            InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
+            lCount = InterlockedIncrement( &pVolumeCB->VolumeReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
                           "AFSGetObjectStatus Increment count on volume %08lX Cnt %d\n",
                           pVolumeCB,
-                          pVolumeCB->VolumeReferenceCount);
+                          lCount);
 
-            InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
+            lCount = InterlockedIncrement( &pParentDirEntry->OpenReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
@@ -7731,7 +7788,7 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
                           &pParentDirEntry->NameInformation.FileName,
                           pParentDirEntry,
                           NULL,
-                          pParentDirEntry->OpenReferenceCount);
+                          lCount);
 
             ntStatus = AFSLocateNameEntry( NULL,
                                            NULL,
@@ -7759,21 +7816,19 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
                     if( pVolumeCB != NULL)
                     {
 
-                        InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+                        lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
 
                         AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                                       AFS_TRACE_LEVEL_VERBOSE,
                                       "AFSGetObjectStatus Decrement count on volume %08lX Cnt %d\n",
                                       pVolumeCB,
-                                      pVolumeCB->VolumeReferenceCount);
-
-                        AFSReleaseResource( pVolumeCB->VolumeLock);
+                                      lCount);
                     }
 
                     if( pDirectoryEntry != NULL)
                     {
 
-                        InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
+                        lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
 
                         AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                                       AFS_TRACE_LEVEL_VERBOSE,
@@ -7781,12 +7836,12 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
                                       &pDirectoryEntry->NameInformation.FileName,
                                       pDirectoryEntry,
                                       NULL,
-                                      pDirectoryEntry->OpenReferenceCount);
+                                      lCount);
                     }
                     else
                     {
 
-                        InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
+                        lCount = InterlockedDecrement( &pParentDirEntry->OpenReferenceCount);
 
                         AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
                                       AFS_TRACE_LEVEL_VERBOSE,
@@ -7794,7 +7849,7 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
                                       &pParentDirEntry->NameInformation.FileName,
                                       pParentDirEntry,
                                       NULL,
-                                      pParentDirEntry->OpenReferenceCount);
+                                      lCount);
                     }
                 }
 
@@ -7807,24 +7862,22 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
             // Remove the reference made above
             //
 
-            InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
+            lCount = InterlockedDecrement( &pDirectoryEntry->OpenReferenceCount);
 
             pObjectInfo = pDirectoryEntry->ObjectInformation;
 
-            InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
+            lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
 
             if( pVolumeCB != NULL)
             {
 
-                InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+                lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
                               "AFSRetrieveFileAttributes Decrement2 count on volume %08lX Cnt %d\n",
                               pVolumeCB,
                               pVolumeCB->VolumeReferenceCount);
-
-                AFSReleaseResource( pVolumeCB->VolumeLock);
             }
         }
 
@@ -7873,7 +7926,7 @@ try_exit:
         if( pObjectInfo != NULL)
         {
 
-            InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
+            lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
         }
 
         if( pNameArray != NULL)
@@ -7894,6 +7947,7 @@ AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
     NTSTATUS ntStatus = STATUS_SUCCESS;
     AFSDirectoryCB *pDirEntry = NULL;
     ULONG ulCRC = 0;
+    LONG lCount;
 
     __Enter
     {
@@ -7963,7 +8017,7 @@ AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
 
         if( pDirEntry != NULL)
         {
-            InterlockedIncrement( &pDirEntry->OpenReferenceCount);
+            lCount = InterlockedIncrement( &pDirEntry->OpenReferenceCount);
         }
 
         AFSReleaseResource( ParentDirectoryCB->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
@@ -7986,12 +8040,12 @@ AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                       AFS_TRACE_LEVEL_VERBOSE_2,
-                      "AFSCheckSymlinkAccess Failing symlink access to entry %wZ ACCESS_DENIED\n",
+                      "AFSCheckSymlinkAccess Failing symlink access to entry %wZ REPARSE_POINT_NOT_RESOLVED\n",
                       ComponentName);
 
-        ntStatus = STATUS_ACCESS_DENIED;
+        ntStatus = STATUS_REPARSE_POINT_NOT_RESOLVED;
 
-        InterlockedDecrement( &pDirEntry->OpenReferenceCount);
+        lCount = InterlockedDecrement( &pDirEntry->OpenReferenceCount);
 
 try_exit:
 
@@ -8083,10 +8137,35 @@ AFSCreateDefaultSecurityDescriptor()
     SECURITY_DESCRIPTOR *pSecurityDescr = NULL;
     ULONG ulSDLength = 0;
     SECURITY_DESCRIPTOR *pRelativeSecurityDescr = NULL;
+    PSID pWorldSID = NULL;
+    ULONG *pulSubAuthority = NULL;
+    ULONG ulWorldSIDLEngth = 0;
 
     __Enter
     {
 
+        ulWorldSIDLEngth = RtlLengthRequiredSid( 1);
+
+        pWorldSID = (PSID)ExAllocatePoolWithTag( PagedPool,
+                                                 ulWorldSIDLEngth,
+                                                 AFS_GENERIC_MEMORY_29_TAG);
+
+        if( pWorldSID == NULL)
+        {
+            AFSPrint( "AFSCreateDefaultSecurityDescriptor unable to allocate World SID\n");
+            try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
+        }
+
+        RtlZeroMemory( pWorldSID,
+                       ulWorldSIDLEngth);
+
+        RtlInitializeSid( pWorldSID,
+                          &SeWorldSidAuthority,
+                          1);
+
+        pulSubAuthority = RtlSubAuthoritySid(pWorldSID, 0);
+        *pulSubAuthority = SECURITY_WORLD_RID;
+
         if( AFSRtlSetSaclSecurityDescriptor == NULL)
         {
 
@@ -8206,6 +8285,39 @@ AFSCreateDefaultSecurityDescriptor()
             }
         }
 
+        //
+        // Add in the group and owner to the SD
+        //
+
+        if( AFSRtlSetGroupSecurityDescriptor != NULL)
+        {
+            ntStatus = AFSRtlSetGroupSecurityDescriptor( pSecurityDescr,
+                                                         pWorldSID,
+                                                         FALSE);
+
+            if( !NT_SUCCESS( ntStatus))
+            {
+
+                AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetGroupSecurityDescriptor failed ntStatus %08lX\n",
+                          ntStatus);
+
+                try_return( ntStatus);
+            }
+        }
+
+        ntStatus = RtlSetOwnerSecurityDescriptor( pSecurityDescr,
+                                                  pWorldSID,
+                                                  FALSE);
+
+        if( !NT_SUCCESS( ntStatus))
+        {
+
+            AFSPrint( "AFSCreateDefaultSecurityDescriptor RtlSetOwnerSecurityDescriptor failed ntStatus %08lX\n",
+                      ntStatus);
+
+            try_return( ntStatus);
+        }
+
         if( !RtlValidSecurityDescriptor( pSecurityDescr))
         {
 
@@ -8268,6 +8380,11 @@ try_exit:
         {
             ExFreePool( pACE);
         }
+
+        if( pWorldSID != NULL)
+        {
+            ExFreePool( pWorldSID);
+        }
     }
 
     return ntStatus;
@@ -8304,3 +8421,106 @@ AFSRetrieveParentPath( IN UNICODE_STRING *FullFileName,
 
     return;
 }
+
+NTSTATUS
+AFSRetrieveValidAuthGroup( IN AFSFcb *Fcb,
+                           IN AFSObjectInfoCB *ObjectInfo,
+                           IN BOOLEAN WriteAccess,
+                           OUT GUID *AuthGroup)
+{
+
+    NTSTATUS ntStatus = STATUS_SUCCESS;
+    GUID     stAuthGroup, stZeroAuthGroup;
+    BOOLEAN  bFoundAuthGroup = FALSE;
+    AFSCcb  *pCcb = NULL;
+    AFSFcb *pFcb = Fcb;
+
+    __Enter
+    {
+
+        RtlZeroMemory( &stAuthGroup,
+                       sizeof( GUID));
+
+        RtlZeroMemory( &stZeroAuthGroup,
+                       sizeof( GUID));
+
+        if( Fcb == NULL)
+        {
+
+            if( ObjectInfo != NULL &&
+                ObjectInfo->Fcb != NULL)
+            {
+                pFcb = ObjectInfo->Fcb;
+            }
+        }
+
+        if( pFcb != NULL)
+        {
+
+            AFSAcquireShared( &Fcb->NPFcb->CcbListLock,
+                              TRUE);
+
+            pCcb = Fcb->CcbListHead;
+
+            while( pCcb != NULL)
+            {
+
+                if( WriteAccess &&
+                    pCcb->GrantedAccess & FILE_WRITE_DATA)
+                {
+                    RtlCopyMemory( &stAuthGroup,
+                                   &pCcb->AuthGroup,
+                                   sizeof( GUID));
+
+                    bFoundAuthGroup = TRUE;
+
+                    break;
+                }
+                else if( pCcb->GrantedAccess & FILE_READ_DATA)
+                {
+                    //
+                    // At least get the read-only access
+                    //
+
+                    RtlCopyMemory( &stAuthGroup,
+                                   &pCcb->AuthGroup,
+                                   sizeof( GUID));
+
+                    bFoundAuthGroup = TRUE;
+                }
+
+                pCcb = (AFSCcb *)pCcb->ListEntry.fLink;
+            }
+
+            AFSReleaseResource( &Fcb->NPFcb->CcbListLock);
+        }
+
+        if( !bFoundAuthGroup)
+        {
+
+            AFSRetrieveAuthGroupFnc( (ULONGLONG)PsGetCurrentProcessId(),
+                                     (ULONGLONG)PsGetCurrentThreadId(),
+                                      &stAuthGroup);
+
+            if( RtlCompareMemory( &stZeroAuthGroup,
+                                  &stAuthGroup,
+                                  sizeof( GUID)) == sizeof( GUID))
+            {
+
+                DbgPrint("AFSRetrieveValidAuthGroup Failed to locate PAG\n");
+
+                try_return( ntStatus = STATUS_ACCESS_DENIED);
+            }
+        }
+
+        RtlCopyMemory( AuthGroup,
+                       &stAuthGroup,
+                       sizeof( GUID));
+
+try_exit:
+
+        NOTHING;
+    }
+
+    return ntStatus;
+}