Windows: AFSTearDownExtents may experience active extents
[openafs.git] / src / WINNT / afsrdr / kernel / lib / AFSGeneric.cpp
index 2202c57..0209a3e 100644 (file)
@@ -51,7 +51,8 @@
 //
 
 ULONG
-AFSExceptionFilter( IN ULONG Code,
+AFSExceptionFilter( IN CHAR *FunctionString,
+                    IN ULONG Code,
                     IN PEXCEPTION_POINTERS ExceptPtrs)
 {
 
@@ -67,9 +68,10 @@ AFSExceptionFilter( IN ULONG Code,
 
         AFSDbgLogMsg( 0,
                       0,
-                      "AFSExceptionFilter (Library) - EXR %p CXR %p Code %08lX Address %p Routine %p\n",
+                      "AFSExceptionFilter (Library) - EXR %p CXR %p Function %s Code %08lX Address %p Routine %p\n",
                       ExceptRec,
                       Context,
+                      FunctionString,
                       ExceptRec->ExceptionCode,
                       ExceptRec->ExceptionAddress,
                       (void *)AFSExceptionFilter);
@@ -403,9 +405,11 @@ AFSLockSystemBuffer( IN PIRP Irp,
                 pAddress = MmGetSystemAddressForMdlSafe( Irp->MdlAddress, NormalPagePriority );
 
             }
-            __except( AFSExceptionFilter( GetExceptionCode(), GetExceptionInformation()) )
+            __except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
             {
 
+                AFSDumpTraceFilesFnc();
+
                 IoFreeMdl( Irp->MdlAddress );
                 Irp->MdlAddress = NULL;
                 pAddress = NULL;
@@ -424,10 +428,10 @@ AFSLockUserBuffer( IN void *UserBuffer,
 
     NTSTATUS ntStatus = STATUS_SUCCESS;
     void *pAddress = NULL;
-       MDL *pMdl = NULL;
+    MDL *pMdl = NULL;
 
-       __Enter
-       {
+    __Enter
+    {
 
         pMdl = IoAllocateMdl( UserBuffer,
                               BufferLength,
@@ -435,11 +439,11 @@ AFSLockUserBuffer( IN void *UserBuffer,
                               FALSE,
                               NULL);
 
-               if( pMdl == NULL)
-               {
+            if( pMdl == NULL)
+            {
 
-                       try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
-               }
+                try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
+            }
 
         //
         //  Lock the new Mdl in memory.
@@ -449,25 +453,27 @@ AFSLockUserBuffer( IN void *UserBuffer,
         {
 
             MmProbeAndLockPages( pMdl,
-                                                                KernelMode,
+                                 KernelMode,
                                  IoWriteAccess);
 
             pAddress = MmGetSystemAddressForMdlSafe( pMdl,
-                                                                                                        NormalPagePriority);
+                                                     NormalPagePriority);
         }
-        __except( AFSExceptionFilter( GetExceptionCode(), GetExceptionInformation()) )
+        __except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
         {
 
+            AFSDumpTraceFilesFnc();
+
             IoFreeMdl( pMdl);
             pMdl = NULL;
             pAddress = NULL;
         }
 
-               if( pMdl != NULL)
-               {
+        if( pMdl != NULL)
+        {
 
-                       *Mdl = pMdl;
-               }
+            *Mdl = pMdl;
+        }
 
 try_exit:
 
@@ -1632,8 +1638,7 @@ AFSInvalidateObject( IN OUT AFSObjectInfoCB **ppObjectInfo,
 
         AFSFsRtlNotifyFullReportChange( (*ppObjectInfo)->ParentObjectInformation,
                                         NULL,
-                                        FILE_NOTIFY_CHANGE_FILE_NAME |
-                                        FILE_NOTIFY_CHANGE_ATTRIBUTES,
+                                        ulFilter,
                                         FILE_ACTION_MODIFIED);
 
         try_return( ntStatus);
@@ -1746,15 +1751,38 @@ AFSInvalidateObject( IN OUT AFSObjectInfoCB **ppObjectInfo,
                         ntStatus = stIoStatus.Status;
                     }
 
-                    CcPurgeCacheSection( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
-                                         NULL,
-                                         0,
-                                         FALSE);
+                    if ( !CcPurgeCacheSection( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
+                                               NULL,
+                                               0,
+                                               FALSE))
+                    {
+
+                        AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
+                                      AFS_TRACE_LEVEL_WARNING,
+                                      "AFSInvalidateObject CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
+                                      (*ppObjectInfo)->FileId.Cell,
+                                      (*ppObjectInfo)->FileId.Volume,
+                                      (*ppObjectInfo)->FileId.Vnode,
+                                      (*ppObjectInfo)->FileId.Unique);
+
+                        SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                    }
                 }
                 __except( EXCEPTION_EXECUTE_HANDLER)
                 {
 
                     ntStatus = GetExceptionCode();
+
+                    AFSDbgLogMsg( 0,
+                                  0,
+                                  "EXCEPTION - AFSInvalidateObject Cc FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
+                                  (*ppObjectInfo)->FileId.Cell,
+                                  (*ppObjectInfo)->FileId.Volume,
+                                  (*ppObjectInfo)->FileId.Vnode,
+                                  (*ppObjectInfo)->FileId.Unique,
+                                  ntStatus);
+
+                    SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
                 }
 
                 AFSReleaseResource( &(*ppObjectInfo)->Fcb->NPFcb->Resource);
@@ -1765,8 +1793,8 @@ AFSInvalidateObject( IN OUT AFSObjectInfoCB **ppObjectInfo,
                 // for any writes or reads to the cache to complete)
                 //
 
-                (VOID) AFSTearDownFcbExtents( (*ppObjectInfo)->Fcb,
-                                              NULL);
+                AFSTearDownFcbExtents( (*ppObjectInfo)->Fcb,
+                                       NULL);
             }
 
             (*ppObjectInfo)->DataVersion.QuadPart = (ULONGLONG)-1;
@@ -1958,6 +1986,9 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
             try_return( ntStatus);
         }
 
+        AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
+                          TRUE);
+
         if ( AFSIsVolumeFID( &InvalidateCB->FileID))
         {
 
@@ -1966,9 +1997,6 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
         else
         {
 
-            AFSAcquireShared( pVolumeCB->ObjectInfoTree.TreeLock,
-                              TRUE);
-
             lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
@@ -1982,9 +2010,6 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
             ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
                                            ullIndex,
                                            (AFSBTreeEntry **)&pObjectInfo);
-
-            AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
-
         }
 
         if( pObjectInfo != NULL)
@@ -2003,12 +2028,14 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
                           lCount);
         }
 
+        AFSReleaseResource( pVolumeCB->ObjectInfoTree.TreeLock);
+
         if( !NT_SUCCESS( ntStatus) ||
             pObjectInfo == NULL)
         {
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                          AFS_TRACE_LEVEL_WARNING,
+                          AFS_TRACE_LEVEL_VERBOSE,
                           "AFSInvalidateCache Invalidation FAILURE Unable to locate object FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
                           InvalidateCB->FileID.Cell,
                           InvalidateCB->FileID.Volume,
@@ -2482,13 +2509,17 @@ AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
             AFSInvalidateObject( &pCurrentObject,
                                  Reason);
 
-            lCount = InterlockedDecrement( &pCurrentObject->ObjectReferenceCount);
+            if ( pCurrentObject)
+            {
 
-            AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
-                          AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSInvalidateVolumeObjects Decrement count on object %08lX Cnt %d\n",
-                          pCurrentObject,
-                          lCount);
+                lCount = InterlockedDecrement( &pCurrentObject->ObjectReferenceCount);
+
+                AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
+                              AFS_TRACE_LEVEL_VERBOSE,
+                              "AFSInvalidateVolumeObjects Decrement count on object %08lX Cnt %d\n",
+                              pCurrentObject,
+                              lCount);
+            }
         }
 
         //
@@ -2659,7 +2690,7 @@ AFSVerifyEntry( IN GUID *AuthGroup,
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
-                          "AFSValidateEntry Evaluate Target failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
+                          "AFSVerifyEntry Evaluate Target failed %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
                           &DirEntry->NameInformation.FileName,
                           pObjectInfo->FileId.Cell,
                           pObjectInfo->FileId.Volume,
@@ -2674,27 +2705,29 @@ AFSVerifyEntry( IN GUID *AuthGroup,
         // Check the data version of the file
         //
 
-        if( pObjectInfo->DataVersion.QuadPart == pDirEnumEntry->DataVersion.QuadPart &&
-            !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
+        if( pObjectInfo->DataVersion.QuadPart == pDirEnumEntry->DataVersion.QuadPart)
         {
+            if ( !BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
+            {
 
-            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                          AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSVerifyEntry No DV change %I64X for Fcb %wZ FID %08lX-%08lX-%08lX-%08lX\n",
-                          pObjectInfo->DataVersion.QuadPart,
-                          &DirEntry->NameInformation.FileName,
-                          pObjectInfo->FileId.Cell,
-                          pObjectInfo->FileId.Volume,
-                          pObjectInfo->FileId.Vnode,
-                          pObjectInfo->FileId.Unique);
+                AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                              AFS_TRACE_LEVEL_VERBOSE,
+                              "AFSVerifyEntry No DV change %I64X for Fcb %wZ FID %08lX-%08lX-%08lX-%08lX\n",
+                              pObjectInfo->DataVersion.QuadPart,
+                              &DirEntry->NameInformation.FileName,
+                              pObjectInfo->FileId.Cell,
+                              pObjectInfo->FileId.Volume,
+                              pObjectInfo->FileId.Vnode,
+                              pObjectInfo->FileId.Unique);
 
-            //
-            // We are ok, just get out
-            //
+                //
+                // We are ok, just get out
+                //
 
-            ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
+                ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY);
 
-            try_return( ntStatus = STATUS_SUCCESS);
+                try_return( ntStatus = STATUS_SUCCESS);
+            }
         }
 
         //
@@ -2759,43 +2792,39 @@ AFSVerifyEntry( IN GUID *AuthGroup,
                 FILE_OBJECT * pCCFileObject = NULL;
                 BOOLEAN bPurgeExtents = FALSE;
 
-                if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
+                if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
                 {
-                    bPurgeExtents = TRUE;
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                                   AFS_TRACE_LEVEL_VERBOSE,
-                                  "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
+                                  "AFSVerifyEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
                                   &DirEntry->NameInformation.FileName,
                                   pObjectInfo->FileId.Cell,
                                   pObjectInfo->FileId.Volume,
                                   pObjectInfo->FileId.Vnode,
-                                  pObjectInfo->FileId.Unique);
+                                  pObjectInfo->FileId.Unique,
+                                  pObjectInfo->DataVersion.LowPart,
+                                  pDirEnumEntry->DataVersion.LowPart
+                                  );
 
-                    ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
+                    bPurgeExtents = TRUE;
                 }
 
-                //
-                // Update the metadata for the entry
-                //
-
-                ntStatus = AFSUpdateMetaData( DirEntry,
-                                              pDirEnumEntry);
-
-                if( !NT_SUCCESS( ntStatus))
+                if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
                 {
 
+                    bPurgeExtents = TRUE;
+
                     AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                                  AFS_TRACE_LEVEL_ERROR,
-                                  "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
+                                  AFS_TRACE_LEVEL_VERBOSE,
+                                  "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
                                   &DirEntry->NameInformation.FileName,
                                   pObjectInfo->FileId.Cell,
                                   pObjectInfo->FileId.Volume,
                                   pObjectInfo->FileId.Vnode,
-                                  pObjectInfo->FileId.Unique,
-                                  ntStatus);
+                                  pObjectInfo->FileId.Unique);
 
-                    break;
+                    ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
                 }
 
                 if( pObjectInfo->Fcb != NULL)
@@ -2841,25 +2870,40 @@ AFSVerifyEntry( IN GUID *AuthGroup,
                         if ( bPurgeExtents)
                         {
 
-                            CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
-                                                 NULL,
-                                                 0,
-                                                 FALSE);
+                            if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
+                                                       NULL,
+                                                       0,
+                                                       FALSE))
+                            {
+
+                                AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
+                                              AFS_TRACE_LEVEL_WARNING,
+                                              "AFSVerifyEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
+                                              &DirEntry->NameInformation.FileName,
+                                              pObjectInfo->FileId.Cell,
+                                              pObjectInfo->FileId.Volume,
+                                              pObjectInfo->FileId.Vnode,
+                                              pObjectInfo->FileId.Unique);
+
+                                SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                            }
                         }
                     }
                     __except( EXCEPTION_EXECUTE_HANDLER)
                     {
                         ntStatus = GetExceptionCode();
 
-                        AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
-                                      AFS_TRACE_LEVEL_ERROR,
-                                      "AFSVerifyEntry CcFlushCache or CcPurgeCacheSection Exception %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
+                        AFSDbgLogMsg( 0,
+                                      0,
+                                      "EXCEPTION - AFSVerifyEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
                                       &DirEntry->NameInformation.FileName,
                                       pObjectInfo->FileId.Cell,
                                       pObjectInfo->FileId.Volume,
                                       pObjectInfo->FileId.Vnode,
                                       pObjectInfo->FileId.Unique,
                                       ntStatus);
+
+                        SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
                     }
 
                     AFSReleaseResource( &pObjectInfo->Fcb->NPFcb->Resource);
@@ -2884,6 +2928,29 @@ AFSVerifyEntry( IN GUID *AuthGroup,
                                     TRUE);
 
                     //
+                    // Update the metadata for the entry
+                    //
+
+                    ntStatus = AFSUpdateMetaData( DirEntry,
+                                                  pDirEnumEntry);
+
+                    if( !NT_SUCCESS( ntStatus))
+                    {
+
+                        AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                                      AFS_TRACE_LEVEL_ERROR,
+                                      "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
+                                      &DirEntry->NameInformation.FileName,
+                                      pObjectInfo->FileId.Cell,
+                                      pObjectInfo->FileId.Volume,
+                                      pObjectInfo->FileId.Vnode,
+                                      pObjectInfo->FileId.Unique,
+                                      ntStatus);
+
+                        break;
+                    }
+
+                    //
                     // Update file sizes
                     //
 
@@ -2903,9 +2970,33 @@ AFSVerifyEntry( IN GUID *AuthGroup,
                 }
                 else
                 {
+
+                    //
+                    // Update the metadata for the entry
+                    //
+
+                    ntStatus = AFSUpdateMetaData( DirEntry,
+                                                  pDirEnumEntry);
+
+                    if( !NT_SUCCESS( ntStatus))
+                    {
+
+                        AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                                      AFS_TRACE_LEVEL_ERROR,
+                                      "AFSVerifyEntry Meta Data Update failed %wZ FID %08lX-%08lX-%08lX-%08lX ntStatus %08lX\n",
+                                      &DirEntry->NameInformation.FileName,
+                                      pObjectInfo->FileId.Cell,
+                                      pObjectInfo->FileId.Volume,
+                                      pObjectInfo->FileId.Vnode,
+                                      pObjectInfo->FileId.Unique,
+                                      ntStatus);
+
+                        break;
+                    }
+
                     AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                                   AFS_TRACE_LEVEL_WARNING,
-                                  "AFSValidateEntry Fcb NULL %wZ FID %08lX-%08lX-%08lX-%08lX\n",
+                                  "AFSVerifyEntry Fcb NULL %wZ FID %08lX-%08lX-%08lX-%08lX\n",
                                   &DirEntry->NameInformation.FileName,
                                   pObjectInfo->FileId.Cell,
                                   pObjectInfo->FileId.Volume,
@@ -3193,8 +3284,8 @@ AFSSetVolumeState( IN AFSVolumeStatusCB *VolumeStatus)
                     // for any writes or reads to the cache to complete)
                     //
 
-                    (VOID) AFSTearDownFcbExtents( pFcb,
-                                                  NULL);
+                    AFSTearDownFcbExtents( pFcb,
+                                           NULL);
                 }
 
                 pCurrentObject = (AFSObjectInfoCB *)pCurrentObject->ListEntry.fLink;
@@ -3681,7 +3772,6 @@ try_exit:
 NTSTATUS
 AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
                   IN GUID *AuthGroup,
-                  IN BOOLEAN PurgeContent,
                   IN BOOLEAN FastCall)
 {
 
@@ -3702,12 +3792,13 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                       AFS_TRACE_LEVEL_VERBOSE_2,
-                      "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
+                      "AFSValidateEntry Validating entry %wZ FID %08lX-%08lX-%08lX-%08lX FastCall %u\n",
                       &DirEntry->NameInformation.FileName,
                       pObjectInfo->FileId.Cell,
                       pObjectInfo->FileId.Volume,
                       pObjectInfo->FileId.Vnode,
-                      pObjectInfo->FileId.Unique);
+                      pObjectInfo->FileId.Unique,
+                      FastCall);
 
         //
         // If this is a fake node then bail since the service knows nothing about it
@@ -3719,28 +3810,6 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
             try_return( ntStatus);
         }
 
-        if( PurgeContent &&
-            pObjectInfo->Fcb != NULL)
-        {
-
-            pCurrentFcb = pObjectInfo->Fcb;
-
-            if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
-            {
-
-                AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
-                              AFS_TRACE_LEVEL_VERBOSE,
-                              "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
-                              &pCurrentFcb->NPFcb->Resource,
-                              PsGetCurrentThread());
-
-                AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
-                                TRUE);
-
-                bReleaseFcb = TRUE;
-            }
-        }
-
         //
         // This routine ensures that the current entry is valid by:
         //
@@ -3867,109 +3936,151 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
                 // Can't hold the Fcb resource while doing this
                 //
 
-                if( pCurrentFcb != NULL &&
+                if( pObjectInfo->Fcb != NULL &&
                     (pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart ||
-                    BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
+                      BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA)))
                 {
 
-                    IO_STATUS_BLOCK stIoStatus;
-                    BOOLEAN bPurgeExtents = FALSE;
+                    pCurrentFcb = pObjectInfo->Fcb;
 
-                    AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                                  AFS_TRACE_LEVEL_VERBOSE_2,
-                                  "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
-                                  &DirEntry->NameInformation.FileName,
-                                  pObjectInfo->FileId.Cell,
-                                  pObjectInfo->FileId.Volume,
-                                  pObjectInfo->FileId.Vnode,
-                                  pObjectInfo->FileId.Unique);
+                    if( !ExIsResourceAcquiredLite( &pCurrentFcb->NPFcb->Resource))
+                    {
+
+                        AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
+                                      AFS_TRACE_LEVEL_VERBOSE,
+                                      "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
+                                      &pCurrentFcb->NPFcb->Resource,
+                                      PsGetCurrentThread());
 
-                    if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
+                        AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
+                                        TRUE);
+
+                        bReleaseFcb = TRUE;
+                    }
+
+                    if( pCurrentFcb != NULL)
                     {
-                        bPurgeExtents = TRUE;
+
+                        IO_STATUS_BLOCK stIoStatus;
+                        BOOLEAN bPurgeExtents = FALSE;
 
                         AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                                      AFS_TRACE_LEVEL_VERBOSE,
-                                      "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
+                                      AFS_TRACE_LEVEL_VERBOSE_2,
+                                      "AFSValidateEntry Flush/purge entry %wZ FID %08lX-%08lX-%08lX-%08lX\n",
                                       &DirEntry->NameInformation.FileName,
                                       pObjectInfo->FileId.Cell,
                                       pObjectInfo->FileId.Volume,
                                       pObjectInfo->FileId.Vnode,
                                       pObjectInfo->FileId.Unique);
 
-                        ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
-                    }
+                        if ( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
+                        {
 
-                    __try
-                    {
+                            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                                          AFS_TRACE_LEVEL_VERBOSE,
+                                          "AFSValidateEntry DV Change %wZ FID %08lX-%08lX-%08lX-%08lX (%08lX != %08lX)\n",
+                                          &DirEntry->NameInformation.FileName,
+                                          pObjectInfo->FileId.Cell,
+                                          pObjectInfo->FileId.Volume,
+                                          pObjectInfo->FileId.Vnode,
+                                          pObjectInfo->FileId.Unique,
+                                          pObjectInfo->DataVersion.LowPart,
+                                          pDirEnumEntry->DataVersion.LowPart
+                                          );
 
-                        CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
-                                      NULL,
-                                      0,
-                                      &stIoStatus);
+                            bPurgeExtents = TRUE;
+                        }
 
-                        if( !NT_SUCCESS( stIoStatus.Status))
+                        if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
                         {
+                            bPurgeExtents = TRUE;
 
-                            AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
-                                          AFS_TRACE_LEVEL_ERROR,
-                                          "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
+                            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                                          AFS_TRACE_LEVEL_VERBOSE,
+                                          "AFSVerifyEntry Clearing VERIFY_DATA flag %wZ FID %08lX-%08lX-%08lX-%08lX\n",
                                           &DirEntry->NameInformation.FileName,
                                           pObjectInfo->FileId.Cell,
                                           pObjectInfo->FileId.Volume,
                                           pObjectInfo->FileId.Vnode,
-                                          pObjectInfo->FileId.Unique,
-                                          stIoStatus.Status,
-                                          stIoStatus.Information);
+                                          pObjectInfo->FileId.Unique);
 
-                            ntStatus = stIoStatus.Status;
+                            ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
                         }
 
-                        if ( bPurgeExtents)
+                        __try
                         {
 
-                            CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
-                                                 NULL,
-                                                 0,
-                                                 FALSE);
-                        }
-                    }
-                    __except( EXCEPTION_EXECUTE_HANDLER)
-                    {
-                        ntStatus = GetExceptionCode();
+                            CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
+                                          NULL,
+                                          0,
+                                          &stIoStatus);
 
-                        AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
-                                      AFS_TRACE_LEVEL_ERROR,
-                                      "AFSValidateEntry CcFlushCache or CcPurgeCacheSection exception %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
-                                      &DirEntry->NameInformation.FileName,
-                                      pObjectInfo->FileId.Cell,
-                                      pObjectInfo->FileId.Volume,
-                                      pObjectInfo->FileId.Vnode,
-                                      pObjectInfo->FileId.Unique,
-                                      ntStatus);
+                            if( !NT_SUCCESS( stIoStatus.Status))
+                            {
 
-                    }
+                                AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
+                                              AFS_TRACE_LEVEL_ERROR,
+                                              "AFSValidateEntry CcFlushCache failure %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
+                                              &DirEntry->NameInformation.FileName,
+                                              pObjectInfo->FileId.Cell,
+                                              pObjectInfo->FileId.Volume,
+                                              pObjectInfo->FileId.Vnode,
+                                              pObjectInfo->FileId.Unique,
+                                              stIoStatus.Status,
+                                              stIoStatus.Information);
+
+                                ntStatus = stIoStatus.Status;
+                            }
 
-                    AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
+                            if ( bPurgeExtents)
+                            {
 
-                    if ( bPurgeExtents)
-                    {
-                        AFSFlushExtents( pCurrentFcb,
-                                         AuthGroup);
-                    }
+                                if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
+                                                           NULL,
+                                                           0,
+                                                           FALSE))
+                                {
 
-                    //
-                    // Reacquire the Fcb to purge the cache
-                    //
+                                    AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
+                                                  AFS_TRACE_LEVEL_WARNING,
+                                                  "AFSValidateEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
+                                                  &DirEntry->NameInformation.FileName,
+                                                  pObjectInfo->FileId.Cell,
+                                                  pObjectInfo->FileId.Volume,
+                                                  pObjectInfo->FileId.Vnode,
+                                                  pObjectInfo->FileId.Unique);
 
-                    AFSDbgLogMsg( AFS_SUBSYSTEM_LOCK_PROCESSING,
-                                  AFS_TRACE_LEVEL_VERBOSE,
-                                  "AFSValidateEntry Acquiring Fcb lock %08lX EXCL %08lX\n",
-                                  &pCurrentFcb->NPFcb->Resource,
-                                  PsGetCurrentThread());
+                                    SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                                }
+                            }
+                        }
+                        __except( EXCEPTION_EXECUTE_HANDLER)
+                        {
+                            ntStatus = GetExceptionCode();
 
-                    AFSAcquireExcl( &pCurrentFcb->NPFcb->Resource,
-                                    TRUE);
+                            AFSDbgLogMsg( 0,
+                                          0,
+                                          "EXCEPTION - AFSValidateEntry CcFlushCache or CcPurgeCacheSection %wZ FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
+                                          &DirEntry->NameInformation.FileName,
+                                          pObjectInfo->FileId.Cell,
+                                          pObjectInfo->FileId.Volume,
+                                          pObjectInfo->FileId.Vnode,
+                                          pObjectInfo->FileId.Unique,
+                                          ntStatus);
+
+                            SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                        }
+
+                        AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
+
+                        bReleaseFcb = FALSE;
+
+                        if ( bPurgeExtents)
+                        {
+                            AFSFlushExtents( pCurrentFcb,
+                                             AuthGroup);
+                        }
+                    }
                 }
 
                 //
@@ -4015,7 +4126,6 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
                                         (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
                     }
                 }
-
                 break;
             }
 
@@ -4024,8 +4134,7 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
 
                 AFSDirectoryCB *pCurrentDirEntry = NULL;
 
-                if( pCurrentFcb != NULL &&
-                    pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
+                if( pObjectInfo->DataVersion.QuadPart != pDirEnumEntry->DataVersion.QuadPart)
                 {
 
                     //
@@ -4054,8 +4163,8 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
                         AFSAcquireExcl( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock,
                                         TRUE);
 
-                        AFSValidateDirectoryCache( pCurrentFcb->ObjectInformation,
-                                                   AuthGroup);
+                        ntStatus = AFSValidateDirectoryCache( pObjectInfo,
+                                                              AuthGroup);
 
                         AFSReleaseResource( pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock);
                     }
@@ -4549,7 +4658,8 @@ AFSIsEqualFID( IN AFSFileID *FileId1,
 
     BOOLEAN bIsEqual = FALSE;
 
-    if( FileId1->Unique == FileId2->Unique &&
+    if( FileId1->Hash == FileId2->Hash &&
+        FileId1->Unique == FileId2->Unique &&
         FileId1->Vnode == FileId2->Vnode &&
         FileId1->Volume == FileId2->Volume &&
         FileId1->Cell == FileId2->Cell)
@@ -4864,6 +4974,7 @@ AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
 {
 
     AFSNameArrayHdr *pNameArray = NULL;
+    AFSNameArrayCB *pCurrentElement = NULL;
     AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
     LONG lCount;
 
@@ -4884,7 +4995,7 @@ AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
         if( pNameArray == NULL)
         {
 
-            AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+            AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
                           AFS_TRACE_LEVEL_ERROR,
                           "AFSInitNameArray Failed to allocate name array\n");
 
@@ -4900,9 +5011,13 @@ AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
         if( DirectoryCB != NULL)
         {
 
-            pNameArray->CurrentEntry = &pNameArray->ElementArray[ 0];
+            pCurrentElement = &pNameArray->ElementArray[ 0];
+
+            pNameArray->CurrentEntry = pCurrentElement;
+
+            pNameArray->Count = 1;
 
-            lCount = InterlockedIncrement( &pNameArray->Count);
+            pNameArray->LinkCount = 0;
 
             lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
 
@@ -4913,11 +5028,29 @@ AFSInitNameArray( IN AFSDirectoryCB *DirectoryCB,
                           DirectoryCB,
                           lCount);
 
-            pNameArray->CurrentEntry->DirectoryCB = DirectoryCB;
+            pCurrentElement->DirectoryCB = DirectoryCB;
 
-            pNameArray->CurrentEntry->Component = DirectoryCB->NameInformation.FileName;
+            pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
+
+            pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
+
+            if( pCurrentElement->FileId.Vnode == 1)
+            {
 
-            pNameArray->CurrentEntry->FileId = DirectoryCB->ObjectInformation->FileId;
+                SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
+            }
+
+            AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                          AFS_TRACE_LEVEL_VERBOSE,
+                          "AFSInitNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
+                          pNameArray,
+                          pCurrentElement->DirectoryCB,
+                          pCurrentElement->FileId.Cell,
+                          pCurrentElement->FileId.Volume,
+                          pCurrentElement->FileId.Vnode,
+                          pCurrentElement->FileId.Unique,
+                          &pCurrentElement->DirectoryCB->NameInformation.FileName,
+                          pCurrentElement->DirectoryCB->ObjectInformation->FileType);
         }
 
 try_exit:
@@ -4946,6 +5079,19 @@ AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
     __Enter
     {
 
+        AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSPopulateNameArray [NA:%p] passed Path %wZ DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
+                      NameArray,
+                      &Path,
+                      DirectoryCB,
+                      DirectoryCB->ObjectInformation->FileId.Cell,
+                      DirectoryCB->ObjectInformation->FileId.Volume,
+                      DirectoryCB->ObjectInformation->FileId.Vnode,
+                      DirectoryCB->ObjectInformation->FileId.Unique,
+                      &DirectoryCB->NameInformation.FileName,
+                      DirectoryCB->ObjectInformation->FileType);
+
         //
         // Init some info in the header
         //
@@ -4973,10 +5119,30 @@ AFSPopulateNameArray( IN AFSNameArrayHdr *NameArray,
 
         pCurrentElement->FileId = DirectoryCB->ObjectInformation->VolumeCB->ObjectInformation.FileId;
 
+        pCurrentElement->Flags = 0;
+
+        if( pCurrentElement->FileId.Vnode == 1)
+        {
+
+            SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
+        }
+
         NameArray->Count = 1;
 
         NameArray->LinkCount = 0;
 
+        AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSPopulateNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
+                      NameArray,
+                      pCurrentElement->DirectoryCB,
+                      pCurrentElement->FileId.Cell,
+                      pCurrentElement->FileId.Volume,
+                      pCurrentElement->FileId.Vnode,
+                      pCurrentElement->FileId.Unique,
+                      &pCurrentElement->DirectoryCB->NameInformation.FileName,
+                      pCurrentElement->DirectoryCB->ObjectInformation->FileType);
+
         //
         // If the root is the parent then we are done ...
         //
@@ -5012,6 +5178,19 @@ AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
     __Enter
     {
 
+        AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSPopulateNameArray [NA:%p] passed RelatedNameArray %p DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
+                      NameArray,
+                      RelatedNameArray,
+                      DirectoryCB,
+                      DirectoryCB->ObjectInformation->FileId.Cell,
+                      DirectoryCB->ObjectInformation->FileId.Volume,
+                      DirectoryCB->ObjectInformation->FileId.Vnode,
+                      DirectoryCB->ObjectInformation->FileId.Unique,
+                      &DirectoryCB->NameInformation.FileName,
+                      DirectoryCB->ObjectInformation->FileType);
+
         //
         // Init some info in the header
         //
@@ -5037,6 +5216,14 @@ AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
 
             pCurrentElement->FileId    = pCurrentElement->DirectoryCB->ObjectInformation->FileId;
 
+            pCurrentElement->Flags = 0;
+
+            if( pCurrentElement->FileId.Vnode == 1)
+            {
+
+                SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
+            }
+
             lCount = InterlockedIncrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
@@ -5048,6 +5235,19 @@ AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
 
             lCount = InterlockedIncrement( &NameArray->Count);
 
+            AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                          AFS_TRACE_LEVEL_VERBOSE,
+                          "AFSPopulateNameArrayFromRelatedArray [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
+                          NameArray,
+                          lCount - 1,
+                          pCurrentElement->DirectoryCB,
+                          pCurrentElement->FileId.Cell,
+                          pCurrentElement->FileId.Volume,
+                          pCurrentElement->FileId.Vnode,
+                          pCurrentElement->FileId.Unique,
+                          &pCurrentElement->DirectoryCB->NameInformation.FileName,
+                          pCurrentElement->DirectoryCB->ObjectInformation->FileType);
+
             if( pCurrentElement->DirectoryCB == DirectoryCB ||
                 NameArray->Count == RelatedNameArray->Count)
             {
@@ -5064,10 +5264,7 @@ AFSPopulateNameArrayFromRelatedArray( IN AFSNameArrayHdr *NameArray,
             pCurrentRelatedElement++;
         }
 
-        if( NameArray->Count > 0)
-        {
-            NameArray->CurrentEntry = pCurrentElement;
-        }
+        NameArray->CurrentEntry = NameArray->Count > 0 ? pCurrentElement : NULL;
     }
 
     return ntStatus;
@@ -5079,21 +5276,20 @@ AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
 
     NTSTATUS ntStatus = STATUS_SUCCESS;
     AFSNameArrayCB *pCurrentElement = NULL;
-    LONG lCount;
+    LONG lCount, lElement;
 
     __Enter
     {
 
-        pCurrentElement = &NameArray->ElementArray[ 0];
+        AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSFreeNameArray [NA:%p]\n",
+                      NameArray);
 
-        while( TRUE)
+        for ( lElement = 0; lElement < NameArray->Count; lElement++)
         {
 
-            if( pCurrentElement->DirectoryCB == NULL)
-            {
-
-                break;
-            }
+            pCurrentElement = &NameArray->ElementArray[ lElement];
 
             lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
 
@@ -5103,8 +5299,6 @@ AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
                           &pCurrentElement->DirectoryCB->NameInformation.FileName,
                           pCurrentElement->DirectoryCB,
                           lCount);
-
-            pCurrentElement++;
         }
 
         AFSExFreePool( NameArray);
@@ -5115,27 +5309,55 @@ AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
 
 NTSTATUS
 AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
-                      IN AFSDirectoryCB *DirEntry)
+                      IN AFSDirectoryCB *DirectoryCB)
 {
 
     NTSTATUS ntStatus = STATUS_SUCCESS;
-    AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
+    AFSNameArrayCB *pCurrentElement = NULL;
     LONG lCount;
 
     __Enter
     {
 
+        AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSInsertNextElement [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
+                      NameArray,
+                      DirectoryCB,
+                      DirectoryCB->ObjectInformation->FileId.Cell,
+                      DirectoryCB->ObjectInformation->FileId.Volume,
+                      DirectoryCB->ObjectInformation->FileId.Vnode,
+                      DirectoryCB->ObjectInformation->FileId.Unique,
+                      &DirectoryCB->NameInformation.FileName,
+                      DirectoryCB->ObjectInformation->FileType);
+
         if( NameArray->Count == NameArray->MaxElementCount)
         {
 
+            AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                          AFS_TRACE_LEVEL_ERROR,
+                          "AFSInsertNextElement [NA:%p] Name has reached Maximum Size\n",
+                          NameArray);
+
             try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
         }
 
-        if( NameArray->CurrentEntry != NULL &&
-            NameArray->CurrentEntry->DirectoryCB == DirEntry)
+        for ( lCount = 0; lCount < NameArray->Count; lCount++)
         {
 
-            try_return( ntStatus);
+            if ( AFSIsEqualFID( &NameArray->ElementArray[ lCount].FileId,
+                                &DirectoryCB->ObjectInformation->FileId) )
+            {
+
+                AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                              AFS_TRACE_LEVEL_WARNING,
+                              "AFSInsertNextElement [NA:%p] DE %p recursion Status %08X\n",
+                              NameArray,
+                              DirectoryCB,
+                              STATUS_ACCESS_DENIED);
+
+                try_return( ntStatus = STATUS_ACCESS_DENIED);
+            }
         }
 
         if( NameArray->Count > 0)
@@ -5148,85 +5370,80 @@ AFSInsertNextElement( IN AFSNameArrayHdr *NameArray,
             NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
         }
 
+        pCurrentElement = NameArray->CurrentEntry;
+
         lCount = InterlockedIncrement( &NameArray->Count);
 
-        lCount = InterlockedIncrement( &DirEntry->OpenReferenceCount);
+        lCount = InterlockedIncrement( &DirectoryCB->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,
+                      &DirectoryCB->NameInformation.FileName,
+                      DirectoryCB,
                       lCount);
 
-        NameArray->CurrentEntry->DirectoryCB = DirEntry;
-
-        NameArray->CurrentEntry->Component = DirEntry->NameInformation.FileName;
-
-        NameArray->CurrentEntry->FileId = DirEntry->ObjectInformation->FileId;
-
-try_exit:
-
-        NOTHING;
-    }
-
-    return ntStatus;
-}
-
-void
-AFSReplaceCurrentElement( IN AFSNameArrayHdr *NameArray,
-                          IN AFSDirectoryCB *DirectoryCB)
-{
-    LONG lCount;
-
-    ASSERT( NameArray->CurrentEntry != NULL);
+        pCurrentElement->DirectoryCB = DirectoryCB;
 
-    lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
+        pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
 
-    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,
-                  lCount);
+        pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
 
-    lCount = InterlockedIncrement( &DirectoryCB->OpenReferenceCount);
+        pCurrentElement->Flags = 0;
 
-    AFSDbgLogMsg( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
-                  AFS_TRACE_LEVEL_VERBOSE,
-                  "AFSReplaceCurrentElement Increment count on %wZ DE %p Cnt %d\n",
-                  &DirectoryCB->NameInformation.FileName,
-                  DirectoryCB,
-                  lCount);
-
-    NameArray->CurrentEntry->DirectoryCB = DirectoryCB;
+        if( pCurrentElement->FileId.Vnode == 1)
+        {
 
-    NameArray->CurrentEntry->Component = DirectoryCB->NameInformation.FileName;
+            SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
+        }
 
-    NameArray->CurrentEntry->FileId = DirectoryCB->ObjectInformation->FileId;
+        AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSInsertNextElement [NA:%p] Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
+                      NameArray,
+                      NameArray->Count - 1,
+                      pCurrentElement->DirectoryCB,
+                      pCurrentElement->FileId.Cell,
+                      pCurrentElement->FileId.Volume,
+                      pCurrentElement->FileId.Vnode,
+                      pCurrentElement->FileId.Unique,
+                      &pCurrentElement->DirectoryCB->NameInformation.FileName,
+                      pCurrentElement->DirectoryCB->ObjectInformation->FileType);
 
-    if( DirectoryCB->ObjectInformation->ParentObjectInformation == NULL)
-    {
+try_exit:
 
-        SetFlag( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
+        NOTHING;
     }
 
-    return;
+    return ntStatus;
 }
 
 AFSDirectoryCB *
 AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
 {
 
-    AFSDirectoryCB *pCurrentDirEntry = NULL;
+    AFSDirectoryCB *pDirectoryCB = NULL;
+    AFSNameArrayCB *pCurrentElement = NULL;
+    BOOLEAN         bVolumeRoot = FALSE;
     LONG lCount;
 
     __Enter
     {
 
+        AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSBackupEntry [NA:%p]\n",
+                      NameArray);
+
         if( NameArray->Count == 0)
         {
-            try_return( pCurrentDirEntry);
+
+            AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                          AFS_TRACE_LEVEL_ERROR,
+                          "AFSBackupEntry [NA:%p] No more entries\n",
+                          NameArray);
+
+            try_return( pCurrentElement);
         }
 
         lCount = InterlockedDecrement( &NameArray->CurrentEntry->DirectoryCB->OpenReferenceCount);
@@ -5245,19 +5462,60 @@ AFSBackupEntry( IN AFSNameArrayHdr *NameArray)
         if( lCount == 0)
         {
             NameArray->CurrentEntry = NULL;
+
+            AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                          AFS_TRACE_LEVEL_ERROR,
+                          "AFSBackupEntry [NA:%p] No more entries\n",
+                          NameArray);
         }
         else
         {
+
+            bVolumeRoot = BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
+
             NameArray->CurrentEntry--;
-            pCurrentDirEntry = NameArray->CurrentEntry->DirectoryCB;
+
+            pCurrentElement = NameArray->CurrentEntry;
+
+            pDirectoryCB = pCurrentElement->DirectoryCB;
+
+            AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                          AFS_TRACE_LEVEL_VERBOSE,
+                          "AFSBackupEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
+                          NameArray,
+                          NameArray->Count - 1,
+                          pCurrentElement->DirectoryCB,
+                          pCurrentElement->FileId.Cell,
+                          pCurrentElement->FileId.Volume,
+                          pCurrentElement->FileId.Vnode,
+                          pCurrentElement->FileId.Unique,
+                          &pCurrentElement->DirectoryCB->NameInformation.FileName,
+                          pCurrentElement->DirectoryCB->ObjectInformation->FileType);
+
+            //
+            // If the entry we are removing is a volume root,
+            // we must remove the mount point entry as well.
+            // If the NameArray was constructed by checking the
+            // share name via the service, the name array can
+            // contain two volume roots in sequence without a
+            // mount point separating them.
+            //
+
+            if ( bVolumeRoot &&
+                 !BooleanFlagOn( NameArray->CurrentEntry->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT))
+            {
+
+                pDirectoryCB = AFSBackupEntry( NameArray);
+            }
         }
 
+
 try_exit:
 
         NOTHING;
     }
 
-    return pCurrentDirEntry;
+    return pDirectoryCB;
 }
 
 AFSDirectoryCB *
@@ -5270,10 +5528,20 @@ AFSGetParentEntry( IN AFSNameArrayHdr *NameArray)
     __Enter
     {
 
+        AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSGetParentEntry [NA:%p]\n",
+                      NameArray);
+
         if( NameArray->Count == 0 ||
             NameArray->Count == 1)
         {
 
+            AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                          AFS_TRACE_LEVEL_ERROR,
+                          "AFSGetParentEntry [NA:%p] No more entries\n",
+                          NameArray);
+
             try_return( pDirEntry = NULL);
         }
 
@@ -5281,6 +5549,19 @@ AFSGetParentEntry( IN AFSNameArrayHdr *NameArray)
 
         pDirEntry = pElement->DirectoryCB;
 
+        AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSGetParentEntry [NA:%p] Returning Element[%d] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
+                      NameArray,
+                      NameArray->Count - 2,
+                      pElement->DirectoryCB,
+                      pElement->FileId.Cell,
+                      pElement->FileId.Volume,
+                      pElement->FileId.Vnode,
+                      pElement->FileId.Unique,
+                      &pElement->DirectoryCB->NameInformation.FileName,
+                      pElement->DirectoryCB->ObjectInformation->FileType);
+
 try_exit:
 
         NOTHING;
@@ -5291,26 +5572,35 @@ try_exit:
 
 void
 AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
-                   IN AFSDirectoryCB *DirEntry)
+                   IN AFSDirectoryCB *DirectoryCB)
 {
 
     AFSNameArrayCB *pCurrentElement = NULL;
     AFSDeviceExt *pDevExt = (AFSDeviceExt *) AFSRDRDeviceObject->DeviceExtension;
-    LONG lCount;
+    LONG lCount, lElement;
 
     __Enter
     {
 
-        pCurrentElement = &NameArray->ElementArray[ 0];
+        AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE,
+                      "AFSResetNameArray [NA:%p] passed DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
+                      NameArray,
+                      DirectoryCB,
+                      DirectoryCB->ObjectInformation->FileId.Cell,
+                      DirectoryCB->ObjectInformation->FileId.Volume,
+                      DirectoryCB->ObjectInformation->FileId.Vnode,
+                      DirectoryCB->ObjectInformation->FileId.Unique,
+                      &DirectoryCB->NameInformation.FileName,
+                      DirectoryCB->ObjectInformation->FileType);
+        //
+        // Dereference previous name array contents
+        //
 
-        while( TRUE)
+        for ( lElement = 0; lElement < NameArray->Count; lElement++)
         {
 
-            if( pCurrentElement->DirectoryCB == NULL)
-            {
-
-                break;
-            }
+            pCurrentElement = &NameArray->ElementArray[ lElement];
 
             lCount = InterlockedDecrement( &pCurrentElement->DirectoryCB->OpenReferenceCount);
 
@@ -5320,8 +5610,6 @@ AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
                           &pCurrentElement->DirectoryCB->NameInformation.FileName,
                           pCurrentElement->DirectoryCB,
                           lCount);
-
-            pCurrentElement++;
         }
 
         RtlZeroMemory( NameArray,
@@ -5330,27 +5618,51 @@ AFSResetNameArray( IN AFSNameArrayHdr *NameArray,
 
         NameArray->MaxElementCount = pDevExt->Specific.RDR.NameArrayLength;
 
-        if( DirEntry != NULL)
+        if( DirectoryCB != NULL)
         {
 
-            NameArray->CurrentEntry = &NameArray->ElementArray[ 0];
+            pCurrentElement = &NameArray->ElementArray[ 0];
 
-            lCount = InterlockedIncrement( &NameArray->Count);
+            NameArray->CurrentEntry = pCurrentElement;
+
+            NameArray->Count = 1;
 
-            lCount = InterlockedIncrement( &DirEntry->OpenReferenceCount);
+            NameArray->LinkCount = 0;
+
+            lCount = InterlockedIncrement( &DirectoryCB->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,
+                          &DirectoryCB->NameInformation.FileName,
+                          DirectoryCB,
                           lCount);
 
-            NameArray->CurrentEntry->DirectoryCB = DirEntry;
+            pCurrentElement->DirectoryCB = DirectoryCB;
+
+            pCurrentElement->Component = DirectoryCB->NameInformation.FileName;
+
+            pCurrentElement->FileId = DirectoryCB->ObjectInformation->FileId;
+
+            pCurrentElement->Flags  = 0;
 
-            NameArray->CurrentEntry->Component = DirEntry->NameInformation.FileName;
+            if( pCurrentElement->FileId.Vnode == 1)
+            {
+
+                SetFlag( pCurrentElement->Flags, AFS_NAME_ARRAY_FLAG_ROOT_ELEMENT);
+            }
 
-            NameArray->CurrentEntry->FileId = DirEntry->ObjectInformation->FileId;
+            AFSDbgLogMsg( AFS_SUBSYSTEM_NAME_ARRAY_PROCESSING,
+                          AFS_TRACE_LEVEL_VERBOSE,
+                          "AFSResetNameArray [NA:%p] Element[0] DE %p FID %08lX-%08lX-%08lX-%08lX %wZ Type %d\n",
+                          NameArray,
+                          pCurrentElement->DirectoryCB,
+                          pCurrentElement->FileId.Cell,
+                          pCurrentElement->FileId.Volume,
+                          pCurrentElement->FileId.Vnode,
+                          pCurrentElement->FileId.Unique,
+                          &pCurrentElement->DirectoryCB->NameInformation.FileName,
+                          pCurrentElement->DirectoryCB->ObjectInformation->FileType);
         }
     }
 
@@ -6664,14 +6976,38 @@ AFSCleanupFcb( IN AFSFcb *Fcb,
                             ntStatus = stIoStatus.Status;
                         }
 
-                        CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
-                                             NULL,
-                                             0,
-                                             FALSE);
+                        if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
+                                                   NULL,
+                                                   0,
+                                                   FALSE))
+                        {
+
+                            AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
+                                          AFS_TRACE_LEVEL_WARNING,
+                                          "AFSCleanupFcb CcPurgeCacheSection [1] failure FID %08lX-%08lX-%08lX-%08lX\n",
+                                          Fcb->ObjectInformation->FileId.Cell,
+                                          Fcb->ObjectInformation->FileId.Volume,
+                                          Fcb->ObjectInformation->FileId.Vnode,
+                                          Fcb->ObjectInformation->FileId.Unique);
+
+                            SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                        }
                     }
                     __except( EXCEPTION_EXECUTE_HANDLER)
                     {
+
                         ntStatus = GetExceptionCode();
+
+                        AFSDbgLogMsg( 0,
+                                      0,
+                                      "EXCEPTION - AFSCleanupFcb Cc [1] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
+                                      Fcb->ObjectInformation->FileId.Cell,
+                                      Fcb->ObjectInformation->FileId.Volume,
+                                      Fcb->ObjectInformation->FileId.Vnode,
+                                      Fcb->ObjectInformation->FileId.Unique,
+                                      ntStatus);
+
+                        SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
                     }
                 }
 
@@ -6714,10 +7050,19 @@ AFSCleanupFcb( IN AFSFcb *Fcb,
         // First up are there dirty extents in the cache to flush?
         //
 
-        if( ForceFlush ||
-            ( !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) &&
-              !BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED) &&
-              ( Fcb->Specific.File.ExtentsDirtyCount ||
+        if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
+            BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
+        {
+
+            //
+            // The file has been marked as invalid.  Dump it
+            //
+
+            AFSTearDownFcbExtents( Fcb,
+                                   NULL);
+        }
+        else if( ForceFlush ||
+            ( ( Fcb->Specific.File.ExtentsDirtyCount ||
                 Fcb->Specific.File.ExtentCount) &&
               (liTime.QuadPart - Fcb->Specific.File.LastServerFlush.QuadPart)
                                                     >= pControlDeviceExt->Specific.Control.FcbFlushTimeCount.QuadPart))
@@ -6731,17 +7076,6 @@ AFSCleanupFcb( IN AFSFcb *Fcb,
                                             NULL);
             }
         }
-        else if( BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_OBJECT_INVALID) ||
-                 BooleanFlagOn( Fcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DELETED))
-        {
-
-            //
-            // The file has been marked as invalid.  Dump it
-            //
-
-            AFSTearDownFcbExtents( Fcb,
-                                   NULL);
-        }
 
         //
         // If there are extents and they haven't been used recently *and*
@@ -6784,20 +7118,42 @@ AFSCleanupFcb( IN AFSFcb *Fcb,
                 if( ForceFlush)
                 {
 
-                    CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
-                                         NULL,
-                                         0,
-                                         FALSE);
+                    if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
+                                               NULL,
+                                               0,
+                                               FALSE))
+                    {
+
+                        AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
+                                      AFS_TRACE_LEVEL_WARNING,
+                                      "AFSCleanupFcb CcPurgeCacheSection [2] failure FID %08lX-%08lX-%08lX-%08lX\n",
+                                      Fcb->ObjectInformation->FileId.Cell,
+                                      Fcb->ObjectInformation->FileId.Volume,
+                                      Fcb->ObjectInformation->FileId.Vnode,
+                                      Fcb->ObjectInformation->FileId.Unique);
+
+                        SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                    }
                 }
             }
             __except( EXCEPTION_EXECUTE_HANDLER)
             {
+
                 ntStatus = GetExceptionCode();
+
+                AFSDbgLogMsg( 0,
+                              0,
+                              "EXCEPTION - AFSCleanupFcb Cc [2] FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
+                              Fcb->ObjectInformation->FileId.Cell,
+                              Fcb->ObjectInformation->FileId.Volume,
+                              Fcb->ObjectInformation->FileId.Vnode,
+                              Fcb->ObjectInformation->FileId.Unique,
+                              ntStatus);
             }
 
             AFSReleaseResource( &Fcb->NPFcb->Resource);
 
-            if( Fcb->OpenReferenceCount == 0)
+            if( Fcb->OpenReferenceCount <= 0)
             {
 
                 //
@@ -8558,8 +8914,8 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
                     // for any writes or reads to the cache to complete)
                     //
 
-                    (VOID) AFSTearDownFcbExtents( ObjectInfo->Fcb,
-                                                  NULL);
+                    AFSTearDownFcbExtents( ObjectInfo->Fcb,
+                                           NULL);
                 }
 
                 break;
@@ -8630,8 +8986,8 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
 
                                 bLocked = FALSE;
 
-                                (VOID) AFSTearDownFcbExtents( ObjectInfo->Fcb,
-                                                              NULL);
+                                AFSTearDownFcbExtents( ObjectInfo->Fcb,
+                                                       NULL);
                             }
                             else
                             {
@@ -8648,6 +9004,15 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
                                                               0,
                                                               FALSE))
                                     {
+
+                                        AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
+                                                      AFS_TRACE_LEVEL_WARNING,
+                                                      "AFSPerformObjectInvalidation CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
+                                                      ObjectInfo->FileId.Cell,
+                                                      ObjectInfo->FileId.Volume,
+                                                      ObjectInfo->FileId.Vnode,
+                                                      ObjectInfo->FileId.Unique);
+
                                         SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
                                     }
                                     else
@@ -8663,8 +9028,14 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
 
                                     AFSDbgLogMsg( 0,
                                                   0,
-                                                  "EXCEPTION - AFSPerformObjectInvalidate Status %08lX\n",
+                                                  "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX\n",
+                                                  ObjectInfo->FileId.Cell,
+                                                  ObjectInfo->FileId.Volume,
+                                                  ObjectInfo->FileId.Vnode,
+                                                  ObjectInfo->FileId.Unique,
                                                   ntStatus);
+
+                                    SetFlag( ObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
                                 }
                             }
                         }
@@ -8714,6 +9085,14 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
                                                                       FALSE))
                                             {
 
+                                                AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
+                                                              AFS_TRACE_LEVEL_WARNING,
+                                                              "AFSPerformObjectInvalidation [1] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
+                                                              ObjectInfo->FileId.Cell,
+                                                              ObjectInfo->FileId.Volume,
+                                                              ObjectInfo->FileId.Vnode,
+                                                              ObjectInfo->FileId.Unique);
+
                                                 bPurgeOnClose = TRUE;
                                             }
                                             else
@@ -8760,6 +9139,14 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
                                                                           FALSE))
                                                 {
 
+                                                    AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
+                                                                  AFS_TRACE_LEVEL_WARNING,
+                                                                  "AFSPerformObjectInvalidation [2] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
+                                                                  ObjectInfo->FileId.Cell,
+                                                                  ObjectInfo->FileId.Volume,
+                                                                  ObjectInfo->FileId.Vnode,
+                                                                  ObjectInfo->FileId.Unique);
+
                                                     bPurgeOnClose = TRUE;
                                                 }
                                                 else
@@ -8792,6 +9179,14 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
                                                                               FALSE))
                                                     {
 
+                                                        AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
+                                                                      AFS_TRACE_LEVEL_WARNING,
+                                                                      "AFSPerformObjectInvalidation [3] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
+                                                                      ObjectInfo->FileId.Cell,
+                                                                      ObjectInfo->FileId.Volume,
+                                                                      ObjectInfo->FileId.Vnode,
+                                                                      ObjectInfo->FileId.Unique);
+
                                                         bPurgeOnClose = TRUE;
                                                     }
                                                     else
@@ -8818,6 +9213,14 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
                                                                   FALSE))
                                         {
 
+                                            AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
+                                                          AFS_TRACE_LEVEL_WARNING,
+                                                          "AFSPerformObjectInvalidation [4] CcPurgeCacheSection failure FID %08lX-%08lX-%08lX-%08lX\n",
+                                                          ObjectInfo->FileId.Cell,
+                                                          ObjectInfo->FileId.Volume,
+                                                          ObjectInfo->FileId.Vnode,
+                                                          ObjectInfo->FileId.Unique);
+
                                             bPurgeOnClose = TRUE;
                                         }
                                         else
@@ -8841,7 +9244,11 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
 
                                 AFSDbgLogMsg( 0,
                                               0,
-                                              "EXCEPTION - AFSPerformObjectInvalidate Status %08lX\n",
+                                              "EXCEPTION - AFSPerformObjectInvalidation FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
+                                              ObjectInfo->FileId.Cell,
+                                              ObjectInfo->FileId.Volume,
+                                              ObjectInfo->FileId.Vnode,
+                                              ObjectInfo->FileId.Unique,
                                               ntStatus);
                             }
                         }