Windows: AFSDeleteObjectInfo not on volume roots
[openafs.git] / src / WINNT / afsrdr / kernel / lib / AFSGeneric.cpp
index 4baec3b..26670a7 100644 (file)
@@ -672,7 +672,7 @@ AFSInitializeGlobalDirectoryEntries()
             try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
         }
 
-        lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
+        lCount = AFSObjectInfoIncrement( pObjectInfoCB);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
@@ -779,7 +779,7 @@ AFSInitializeGlobalDirectoryEntries()
             try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
         }
 
-        lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
+        lCount = AFSObjectInfoIncrement( pObjectInfoCB);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
@@ -976,7 +976,7 @@ AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
                           FileName);
         }
 
-        lCount = InterlockedIncrement( &pObjectInfoCB->ObjectReferenceCount);
+        lCount = AFSObjectInfoIncrement( pObjectInfoCB);
 
         AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                       AFS_TRACE_LEVEL_VERBOSE,
@@ -1139,16 +1139,6 @@ AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
             pObjectInfoCB->EaSize = DirEnumEntry->EaSize;
 
             //
-            // Object specific information
-            //
-
-            pObjectInfoCB->Links = DirEnumEntry->Links;
-
-            pObjectInfoCB->Expiration = DirEnumEntry->Expiration;
-
-            pObjectInfoCB->DataVersion = DirEnumEntry->DataVersion;
-
-            //
             // Check for the case where we have a filetype of SymLink but both the TargetFid and the
             // TargetName are empty. In this case set the filetype to zero so we evaluate it later in
             // the code
@@ -1174,6 +1164,16 @@ AFSInitDirEntry( IN AFSObjectInfoCB *ParentObjectInfo,
             }
         }
 
+        //
+        // Object specific information
+        //
+
+        pObjectInfoCB->Links = DirEnumEntry->Links;
+
+        pObjectInfoCB->Expiration = DirEnumEntry->Expiration;
+
+        pObjectInfoCB->DataVersion = DirEnumEntry->DataVersion;
+
 try_exit:
 
         if( !NT_SUCCESS( ntStatus))
@@ -1184,13 +1184,13 @@ try_exit:
 
                 ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
 
-                AFSExFreePool( pNonPagedDirEntry);
+                AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
             }
 
             if( pDirNode != NULL)
             {
 
-                AFSExFreePool( pDirNode);
+                AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
 
                 pDirNode = NULL;
             }
@@ -1202,7 +1202,7 @@ try_exit:
             if( pObjectInfoCB != NULL)
             {
 
-                lCount = InterlockedDecrement( &pObjectInfoCB->ObjectReferenceCount);
+                lCount = AFSObjectInfoDecrement( pObjectInfoCB);
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
@@ -1413,7 +1413,7 @@ try_exit:
         if( pDirEntry != NULL)
         {
 
-            AFSExFreePool( pDirEntry);
+            AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
         }
     }
 
@@ -1551,7 +1551,7 @@ try_exit:
         if( pDirEntry != NULL)
         {
 
-            AFSExFreePool( pDirEntry);
+            AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
         }
     }
 
@@ -1658,6 +1658,8 @@ AFSInvalidateObject( IN OUT AFSObjectInfoCB **ppObjectInfo,
             // Mark this node as invalid
             //
 
+            (*ppObjectInfo)->Links = 0;
+
             SetFlag( (*ppObjectInfo)->Flags, AFS_OBJECT_FLAGS_DELETED);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
@@ -1751,21 +1753,26 @@ AFSInvalidateObject( IN OUT AFSObjectInfoCB **ppObjectInfo,
                         ntStatus = stIoStatus.Status;
                     }
 
-                    if ( !CcPurgeCacheSection( &(*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers,
-                                               NULL,
-                                               0,
-                                               FALSE))
+
+                    if ( (*ppObjectInfo)->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
                     {
 
-                        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);
+                        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);
+                            SetFlag( (*ppObjectInfo)->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                        }
                     }
                 }
                 __except( EXCEPTION_EXECUTE_HANDLER)
@@ -1993,8 +2000,6 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
             ntStatus = AFSInvalidateVolume( pVolumeCB,
                                             InvalidateCB->Reason);
 
-            lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
-
             try_return( ntStatus);
         }
 
@@ -2009,14 +2014,6 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
         else
         {
 
-            lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
-
-            AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
-                          AFS_TRACE_LEVEL_VERBOSE,
-                          "AFSInvalidateCache Decrement count on volume %08lX Cnt %d\n",
-                          pVolumeCB,
-                          pVolumeCB->VolumeReferenceCount);
-
             ullIndex = AFSCreateLowIndex( &InvalidateCB->FileID);
 
             ntStatus = AFSLocateHashEntry( pVolumeCB->ObjectInfoTree.TreeHead,
@@ -2031,7 +2028,7 @@ AFSInvalidateCache( IN AFSInvalidateCacheCB *InvalidateCB)
             // Reference the node so it won't be torn down
             //
 
-            lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
+            lCount = AFSObjectInfoIncrement( pObjectInfo);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
@@ -2066,7 +2063,7 @@ try_exit:
         if( pObjectInfo != NULL)
         {
 
-            lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
+            lCount = AFSObjectInfoDecrement( pObjectInfo);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
@@ -2074,6 +2071,18 @@ try_exit:
                           pObjectInfo,
                           lCount);
         }
+
+        if ( pVolumeCB != NULL)
+        {
+
+            lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
+
+            AFSDbgLogMsg( AFS_SUBSYSTEM_VOLUME_REF_COUNTING,
+                          AFS_TRACE_LEVEL_VERBOSE,
+                          "AFSInvalidateCache Decrement count on volume %08lX Cnt %d\n",
+                          pVolumeCB,
+                          lCount);
+        }
     }
 
     return ntStatus;
@@ -2442,7 +2451,7 @@ AFSSubstituteNameInPath( IN OUT UNICODE_STRING *FullPathName,
 
         if( FreePathName)
         {
-            AFSExFreePool( FullPathName->Buffer);
+            AFSExFreePoolWithTag( FullPathName->Buffer, 0);
         }
 
         *FullPathName = uniPathName;
@@ -2510,7 +2519,7 @@ AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
         if ( pCurrentObject )
         {
 
-            lCount = InterlockedIncrement( &pCurrentObject->ObjectReferenceCount);
+            lCount = AFSObjectInfoIncrement( pCurrentObject);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
@@ -2524,7 +2533,7 @@ AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
             if ( pCurrentObject)
             {
 
-                lCount = InterlockedDecrement( &pCurrentObject->ObjectReferenceCount);
+                lCount = AFSObjectInfoDecrement( pCurrentObject);
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
@@ -2550,7 +2559,7 @@ AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
             // Reference the node so it won't be torn down
             //
 
-            lCount = InterlockedIncrement( &pCurrentObject->ObjectReferenceCount);
+            lCount = AFSObjectInfoIncrement( pCurrentObject);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
@@ -2571,7 +2580,7 @@ AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
                 // Reference the node so it won't be torn down
                 //
 
-                lCount = InterlockedIncrement( &pNextObject->ObjectReferenceCount);
+                lCount = AFSObjectInfoIncrement( pNextObject);
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
@@ -2588,7 +2597,7 @@ AFSInvalidateVolume( IN AFSVolumeCB *VolumeCB,
             if ( pCurrentObject )
             {
 
-                lCount = InterlockedDecrement( &pCurrentObject->ObjectReferenceCount);
+                lCount = AFSObjectInfoDecrement( pCurrentObject);
 
                 AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                               AFS_TRACE_LEVEL_VERBOSE,
@@ -2781,8 +2790,6 @@ AFSVerifyEntry( IN GUID *AuthGroup,
             case AFS_FILE_TYPE_SYMLINK:
             {
 
-                ASSERT( pDirEnumEntry->TargetNameLength > 0);
-
                 //
                 // Update the metadata for the entry
                 //
@@ -2879,7 +2886,8 @@ AFSVerifyEntry( IN GUID *AuthGroup,
                             ntStatus = stIoStatus.Status;
                         }
 
-                        if ( bPurgeExtents)
+                        if ( bPurgeExtents &&
+                             pObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
                         {
 
                             if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
@@ -3155,7 +3163,7 @@ AFSVerifyEntry( IN GUID *AuthGroup,
         if( pDirEnumEntry != NULL)
         {
 
-            AFSExFreePool( pDirEnumEntry);
+            AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
         }
     }
 
@@ -3366,6 +3374,7 @@ AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
 {
 
     NTSTATUS ntStatus = STATUS_SUCCESS;
+    AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
     BOOLEAN  bAcquiredLock = FALSE;
     AFSDirectoryCB *pCurrentDirEntry = NULL, *pNextDirEntry = NULL;
     AFSFcb *pFcb = NULL;
@@ -3507,7 +3516,8 @@ AFSValidateDirectoryCache( IN AFSObjectInfoCB *ObjectInfo,
             if( BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_VALID))
             {
 
-                if( !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME) &&
+                if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
+                    !BooleanFlagOn( pCurrentDirEntry->Flags, AFS_DIR_ENTRY_INSERTED_SHORT_NAME) &&
                     pCurrentDirEntry->Type.Data.ShortNameTreeEntry.HashIndex > 0)
                 {
 
@@ -3710,7 +3720,9 @@ AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
 
         pObjectInfo->Links = DirEnumEntry->Links;
 
-        if( DirEnumEntry->TargetNameLength > 0)
+        if( DirEnumEntry->TargetNameLength > 0 &&
+            ( DirEntry->NameInformation.TargetName.Length != DirEnumEntry->TargetNameLength ||
+              DirEntry->ObjectInformation->DataVersion.QuadPart != DirEnumEntry->DataVersion.QuadPart))
         {
 
             //
@@ -3752,7 +3764,8 @@ AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
 
             AFSReleaseResource( &DirEntry->NonPaged->Lock);
         }
-        else if( DirEntry->NameInformation.TargetName.Length > 0)
+        else if( DirEntry->NameInformation.TargetName.Length > 0 &&
+                 DirEntry->ObjectInformation->DataVersion.QuadPart != DirEnumEntry->DataVersion.QuadPart)
         {
 
             AFSAcquireExcl( &DirEntry->NonPaged->Lock,
@@ -3761,7 +3774,7 @@ AFSUpdateMetaData( IN AFSDirectoryCB *DirEntry,
             if( BooleanFlagOn( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER) &&
                 DirEntry->NameInformation.TargetName.Buffer != NULL)
             {
-                AFSExFreePool( DirEntry->NameInformation.TargetName.Buffer);
+                AFSExFreePoolWithTag( DirEntry->NameInformation.TargetName.Buffer, AFS_NAME_BUFFER_FIVE_TAG);
             }
 
             ClearFlag( DirEntry->Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER);
@@ -3784,7 +3797,8 @@ try_exit:
 NTSTATUS
 AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
                   IN GUID *AuthGroup,
-                  IN BOOLEAN FastCall)
+                  IN BOOLEAN FastCall,
+                  IN BOOLEAN bSafeToPurge)
 {
 
     NTSTATUS ntStatus = STATUS_SUCCESS;
@@ -3942,6 +3956,8 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
             case AFS_FILE_TYPE_FILE:
             {
 
+                BOOLEAN bPurgeExtents = FALSE;
+
                 //
                 // For a file where the data version has become invalid we need to
                 // fail any current extent requests and purge the cache for the file
@@ -3974,7 +3990,6 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
                     {
 
                         IO_STATUS_BLOCK stIoStatus;
-                        BOOLEAN bPurgeExtents = FALSE;
 
                         AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
                                       AFS_TRACE_LEVEL_VERBOSE_2,
@@ -4003,91 +4018,107 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
                             bPurgeExtents = TRUE;
                         }
 
-                        if ( BooleanFlagOn( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA))
+                        if ( bSafeToPurge)
                         {
-                            bPurgeExtents = TRUE;
 
-                            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);
-
-                            ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
-                        }
-
-                        __try
-                        {
-
-                            CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
-                                          NULL,
-                                          0,
-                                          &stIoStatus);
-
-                            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
                             {
 
-                                if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
-                                                           NULL,
-                                                           0,
-                                                           FALSE))
+                                CcFlushCache( &pCurrentFcb->NPFcb->SectionObjectPointers,
+                                              NULL,
+                                              0,
+                                              &stIoStatus);
+
+                                if( !NT_SUCCESS( stIoStatus.Status))
                                 {
 
                                     AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
-                                                  AFS_TRACE_LEVEL_WARNING,
-                                                  "AFSValidateEntry CcPurgeCacheSection failure %wZ FID %08lX-%08lX-%08lX-%08lX\n",
+                                                  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);
+                                                  pObjectInfo->FileId.Unique,
+                                                  stIoStatus.Status,
+                                                  stIoStatus.Information);
 
-                                    SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                                    ntStatus = stIoStatus.Status;
                                 }
+
+                                if ( bPurgeExtents &&
+                                     pObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
+                                {
+
+                                    if ( !CcPurgeCacheSection( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers,
+                                                               NULL,
+                                                               0,
+                                                               FALSE))
+                                    {
+
+                                        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);
+
+                                        SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                                    }
+                                }
+                            }
+                            __except( EXCEPTION_EXECUTE_HANDLER)
+                            {
+                                ntStatus = GetExceptionCode();
+
+                                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);
                             }
                         }
-                        __except( EXCEPTION_EXECUTE_HANDLER)
+                        else
                         {
-                            ntStatus = GetExceptionCode();
 
-                            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);
+                            if ( bPurgeExtents)
+                            {
 
-                            SetFlag( pObjectInfo->Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                                SetFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY_DATA);
+                            }
                         }
 
+
                         AFSReleaseResource( &pCurrentFcb->NPFcb->Resource);
 
                         bReleaseFcb = FALSE;
 
-                        if ( bPurgeExtents)
+                        if ( bPurgeExtents &&
+                             bSafeToPurge)
                         {
                             AFSFlushExtents( pCurrentFcb,
                                              AuthGroup);
@@ -4096,46 +4127,55 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
                 }
 
                 //
-                // Update the metadata for the entry
+                // Update the metadata for the entry but only if it is safe to do so.
+                // If it was determined that a data version change has occurred or
+                // that a pending data verification was required, do not update the
+                // ObjectInfo meta data or the FileObject size information.  That
+                // way it is consistent for the next time that the data is verified
+                // or validated.
                 //
 
-                ntStatus = AFSUpdateMetaData( DirEntry,
-                                              pDirEnumEntry);
-
-                if( !NT_SUCCESS( ntStatus))
+                if ( !(bPurgeExtents && bSafeToPurge))
                 {
 
-                    AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
-                                  AFS_TRACE_LEVEL_ERROR,
-                                  "AFSValidateEntry Meta Data Update failed %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);
+                    ntStatus = AFSUpdateMetaData( DirEntry,
+                                                  pDirEnumEntry);
 
-                    break;
-                }
+                    if( !NT_SUCCESS( ntStatus))
+                    {
 
-                ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
+                        AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                                      AFS_TRACE_LEVEL_ERROR,
+                                      "AFSValidateEntry Meta Data Update failed %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);
 
-                //
-                // Update file sizes
-                //
+                        break;
+                    }
 
-                if( pObjectInfo->Fcb != NULL)
-                {
-                    FILE_OBJECT *pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
+                    ClearFlag( pObjectInfo->Flags, AFS_OBJECT_FLAGS_VERIFY | AFS_OBJECT_FLAGS_NOT_EVALUATED);
 
-                    pObjectInfo->Fcb->Header.AllocationSize.QuadPart  = pObjectInfo->AllocationSize.QuadPart;
-                    pObjectInfo->Fcb->Header.FileSize.QuadPart        = pObjectInfo->EndOfFile.QuadPart;
-                    pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
+                    //
+                    // Update file sizes
+                    //
 
-                    if ( pCCFileObject != NULL)
+                    if( pObjectInfo->Fcb != NULL)
                     {
-                        CcSetFileSizes( pCCFileObject,
-                                        (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
+                        FILE_OBJECT *pCCFileObject = CcGetFileObjectFromSectionPtrs( &pObjectInfo->Fcb->NPFcb->SectionObjectPointers);
+
+                        pObjectInfo->Fcb->Header.AllocationSize.QuadPart  = pObjectInfo->AllocationSize.QuadPart;
+                        pObjectInfo->Fcb->Header.FileSize.QuadPart        = pObjectInfo->EndOfFile.QuadPart;
+                        pObjectInfo->Fcb->Header.ValidDataLength.QuadPart = pObjectInfo->EndOfFile.QuadPart;
+
+                        if ( pCCFileObject != NULL)
+                        {
+                            CcSetFileSizes( pCCFileObject,
+                                            (PCC_FILE_SIZES)&pObjectInfo->Fcb->Header.AllocationSize);
+                        }
                     }
                 }
                 break;
@@ -4241,7 +4281,7 @@ AFSValidateEntry( IN AFSDirectoryCB *DirEntry,
         if( pDirEnumEntry != NULL)
         {
 
-            AFSExFreePool( pDirEnumEntry);
+            AFSExFreePoolWithTag( pDirEnumEntry, AFS_GENERIC_MEMORY_2_TAG);
         }
     }
 
@@ -4263,7 +4303,7 @@ AFSInitializeSpecialShareNameList()
     {
 
         RtlInitUnicodeString( &uniShareName,
-                              L"PIPE\\srvsvc");
+                              L"PIPE");
 
         pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
                                                0);
@@ -4328,7 +4368,7 @@ AFSInitializeSpecialShareNameList()
         // Set valid entry
         //
 
-        SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_SERVER_SERVICE);
+        SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_PIPE_SERVICE);
 
         pDirNode->NameInformation.FileName.Length = uniShareName.Length;
 
@@ -4347,92 +4387,6 @@ AFSInitializeSpecialShareNameList()
 
         pLastDirNode = pDirNode;
 
-        RtlInitUnicodeString( &uniShareName,
-                              L"PIPE\\wkssvc");
-
-        pObjectInfoCB = AFSAllocateObjectInfo( &AFSGlobalRoot->ObjectInformation,
-                                               0);
-
-        if( pObjectInfoCB == NULL)
-        {
-
-            try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
-        }
-
-        AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
-                      AFS_TRACE_LEVEL_VERBOSE,
-                      "AFSInitializeSpecialShareNameList (wkssvc) Initializing count (1) on object %08lX\n",
-                      pObjectInfoCB);
-
-        pObjectInfoCB->ObjectReferenceCount = 1;
-
-        pObjectInfoCB->FileType = AFS_FILE_TYPE_SPECIAL_SHARE_NAME;
-
-        ulEntryLength = sizeof( AFSDirectoryCB) +
-                                     uniShareName.Length;
-
-        pDirNode = (AFSDirectoryCB *)AFSLibExAllocatePoolWithTag( PagedPool,
-                                                                  ulEntryLength,
-                                                                  AFS_DIR_ENTRY_TAG);
-
-        if( pDirNode == NULL)
-        {
-
-            AFSDeleteObjectInfo( pObjectInfoCB);
-
-            try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
-        }
-
-        pNonPagedDirEntry = (AFSNonPagedDirectoryCB *)AFSLibExAllocatePoolWithTag( NonPagedPool,
-                                                                                   sizeof( AFSNonPagedDirectoryCB),
-                                                                                   AFS_DIR_ENTRY_NP_TAG);
-
-        if( pNonPagedDirEntry == NULL)
-        {
-
-            ExFreePool( pDirNode);
-
-            AFSDeleteObjectInfo( pObjectInfoCB);
-
-            try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
-        }
-
-        RtlZeroMemory( pDirNode,
-                       ulEntryLength);
-
-        RtlZeroMemory( pNonPagedDirEntry,
-                       sizeof( AFSNonPagedDirectoryCB));
-
-        ExInitializeResourceLite( &pNonPagedDirEntry->Lock);
-
-        pDirNode->NonPaged = pNonPagedDirEntry;
-
-        pDirNode->ObjectInformation = pObjectInfoCB;
-
-        //
-        // Set valid entry
-        //
-
-        SetFlag( pDirNode->Flags, AFS_DIR_ENTRY_VALID | AFS_DIR_ENTRY_WORKSTATION_SERVICE);
-
-        pDirNode->NameInformation.FileName.Length = uniShareName.Length;
-
-        pDirNode->NameInformation.FileName.MaximumLength = uniShareName.Length;
-
-        pDirNode->NameInformation.FileName.Buffer = (WCHAR *)((char *)pDirNode + sizeof( AFSDirectoryCB));
-
-        RtlCopyMemory( pDirNode->NameInformation.FileName.Buffer,
-                       uniShareName.Buffer,
-                       pDirNode->NameInformation.FileName.Length);
-
-        pDirNode->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pDirNode->NameInformation.FileName,
-                                                                       TRUE);
-
-        pLastDirNode->ListEntry.fLink = pDirNode;
-
-        pDirNode->ListEntry.bLink = pLastDirNode;
-
-        pLastDirNode = pDirNode;
 
         RtlInitUnicodeString( &uniShareName,
                               L"IPC$");
@@ -4565,38 +4519,14 @@ AFSGetSpecialShareNameEntry( IN UNICODE_STRING *ShareName,
     __Enter
     {
 
-        //
-        // Build up the entire name here. We are guaranteed that if there is a
-        // secondary name, it is pointing to a portion of the share name buffer
-        //
-
-        if( SecondaryName->Length > 0 &&
-            SecondaryName->Buffer != NULL)
-        {
-
-            uniFullShareName = *SecondaryName;
-
-            //
-            // The calling routine strips off the leading slash so add it back in
-            //
-
-            uniFullShareName.Buffer--;
-            uniFullShareName.Length += sizeof( WCHAR);
-            uniFullShareName.MaximumLength += sizeof( WCHAR);
-
-            //
-            // And the share name
-            //
 
-            uniFullShareName.Buffer -= (ShareName->Length/sizeof( WCHAR));
-            uniFullShareName.Length += ShareName->Length;
-            uniFullShareName.MaximumLength += ShareName->Length;
-        }
-        else
-        {
+        AFSDbgLogMsg( AFS_SUBSYSTEM_FILE_PROCESSING,
+                      AFS_TRACE_LEVEL_VERBOSE_2,
+                      "AFSGetSpecialShareNameEntry share name %wZ secondary name %wZ\n",
+                      ShareName,
+                      SecondaryName);
 
-            uniFullShareName = *ShareName;
-        }
+        uniFullShareName = *ShareName;
 
         //
         // Generate our hash value
@@ -4870,7 +4800,7 @@ AFSEnumerateGlobalRoot( IN GUID *AuthGroup)
             pDirGlobalDirNode = (AFSDirectoryCB *)pDirGlobalDirNode->ListEntry.fLink;
         }
 
-        AFSExFreePool( uniFullName.Buffer);
+        AFSExFreePoolWithTag( uniFullName.Buffer, 0);
 
 try_exit:
 
@@ -4886,7 +4816,8 @@ AFSIsRelativeName( IN UNICODE_STRING *Name)
 
     BOOLEAN bIsRelative = FALSE;
 
-    if( Name->Buffer[ 0] != L'\\')
+    if( Name->Length > 0 &&
+        Name->Buffer[ 0] != L'\\')
     {
 
         bIsRelative = TRUE;
@@ -4895,6 +4826,53 @@ AFSIsRelativeName( IN UNICODE_STRING *Name)
     return bIsRelative;
 }
 
+BOOLEAN
+AFSIsAbsoluteAFSName( IN UNICODE_STRING *Name)
+{
+    UNICODE_STRING uniTempName;
+    BOOLEAN        bIsAbsolute = FALSE;
+
+    //
+    // An absolute AFS path must begin with \afs\... or equivalent
+    //
+
+    if ( Name->Length == 0 ||
+         Name->Length <= AFSMountRootName.Length + sizeof( WCHAR) ||
+         Name->Buffer[ 0] != L'\\' ||
+         Name->Buffer[ AFSMountRootName.Length/sizeof( WCHAR)] != L'\\')
+    {
+
+        return FALSE;
+    }
+
+    uniTempName.Length = AFSMountRootName.Length;
+    uniTempName.MaximumLength = AFSMountRootName.Length;
+
+    uniTempName.Buffer = (WCHAR *)AFSExAllocatePoolWithTag( PagedPool,
+                                                            uniTempName.MaximumLength,
+                                                            AFS_NAME_BUFFER_TWO_TAG);
+
+    if( uniTempName.Buffer == NULL)
+    {
+
+        return FALSE;
+    }
+
+    RtlCopyMemory( uniTempName.Buffer,
+                   Name->Buffer,
+                   AFSMountRootName.Length);
+
+    bIsAbsolute = (0 == RtlCompareUnicodeString( &uniTempName,
+                                                 &AFSMountRootName,
+                                                 TRUE));
+
+    AFSExFreePoolWithTag( uniTempName.Buffer,
+                          AFS_NAME_BUFFER_TWO_TAG);
+
+    return bIsAbsolute;
+}
+
+
 void
 AFSUpdateName( IN UNICODE_STRING *Name)
 {
@@ -4950,7 +4928,7 @@ AFSUpdateTargetName( IN OUT UNICODE_STRING *TargetName,
             if( BooleanFlagOn( *Flags, AFS_DIR_RELEASE_TARGET_NAME_BUFFER))
             {
 
-                AFSExFreePool( TargetName->Buffer);
+                AFSExFreePoolWithTag( TargetName->Buffer, AFS_NAME_BUFFER_FIVE_TAG);
             }
 
             TargetName->MaximumLength = NameLength;
@@ -5313,7 +5291,7 @@ AFSFreeNameArray( IN AFSNameArrayHdr *NameArray)
                           lCount);
         }
 
-        AFSExFreePool( NameArray);
+        AFSExFreePoolWithTag( NameArray, AFS_NAME_ARRAY_TAG);
     }
 
     return ntStatus;
@@ -5920,7 +5898,7 @@ AFSInitPIOCtlDirectoryCB( IN AFSObjectInfoCB *ObjectInfo)
             // Increment the open reference and handle on the node
             //
 
-            lCount = InterlockedIncrement( &pDirNode->ObjectInformation->ObjectReferenceCount);
+            lCount = AFSObjectInfoIncrement( pDirNode->ObjectInformation);
 
             AFSDbgLogMsg( AFS_SUBSYSTEM_FCB_REF_COUNTING,
                           AFS_TRACE_LEVEL_VERBOSE,
@@ -5939,7 +5917,15 @@ try_exit:
             if ( pDirNode != NULL)
             {
 
-                AFSExFreePool( pDirNode);
+                AFSExFreePoolWithTag( pDirNode, AFS_DIR_ENTRY_TAG);
+            }
+
+            if( pNonPagedDirEntry != NULL)
+            {
+
+                ExDeleteResourceLite( &pNonPagedDirEntry->Lock);
+
+                AFSExFreePoolWithTag( pNonPagedDirEntry, AFS_DIR_ENTRY_NP_TAG);
             }
 
             if ( pObjectInfoCB != NULL)
@@ -6366,7 +6352,7 @@ try_exit:
         if( pDirEntry != NULL)
         {
 
-            AFSExFreePool( pDirEntry);
+            AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
         }
 
         if( pVolumeCB != NULL)
@@ -6402,10 +6388,10 @@ try_exit:
                 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
             {
 
-                AFSExFreePool( uniFullPathName.Buffer);
+                AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
             }
 
-            AFSExFreePool( pwchBuffer);
+            AFSExFreePoolWithTag( pwchBuffer, 0);
         }
     }
 
@@ -6444,13 +6430,15 @@ AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
         if( pObjectInfo->NonPagedInfo == NULL)
         {
 
-            AFSExFreePool( pObjectInfo);
+            AFSExFreePoolWithTag( pObjectInfo, AFS_OBJECT_INFO_TAG);
 
             try_return( pObjectInfo = NULL);
         }
 
         ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
 
+        ExInitializeResourceLite( &pObjectInfo->NonPagedInfo->ObjectInfoLock);
+
         pObjectInfo->Specific.Directory.DirectoryNodeHdr.TreeLock = &pObjectInfo->NonPagedInfo->DirectoryNodeHdrLock;
 
         pObjectInfo->VolumeCB = ParentObjectInfo->VolumeCB;
@@ -6459,7 +6447,7 @@ AFSAllocateObjectInfo( IN AFSObjectInfoCB *ParentObjectInfo,
 
         if( ParentObjectInfo != NULL)
         {
-            lCount = InterlockedIncrement( &ParentObjectInfo->ObjectReferenceCount);
+            lCount = AFSObjectInfoIncrement( ParentObjectInfo);
         }
 
         //
@@ -6525,6 +6513,74 @@ try_exit:
     return pObjectInfo;
 }
 
+LONG
+AFSObjectInfoIncrement( IN AFSObjectInfoCB *ObjectInfo)
+{
+
+    LONG lCount;
+
+    if ( ObjectInfo->ObjectReferenceCount == 0)
+    {
+
+        AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
+                        TRUE);
+
+        lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
+    }
+    else
+    {
+
+        AFSAcquireShared( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
+                          TRUE);
+
+        lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
+
+        if ( lCount == 1)
+        {
+
+            AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
+
+            AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
+                            TRUE);
+        }
+    }
+
+    AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
+
+    return lCount;
+}
+
+LONG
+AFSObjectInfoDecrement( IN AFSObjectInfoCB *ObjectInfo)
+{
+
+    LONG lCount;
+
+    AFSAcquireShared( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
+                      TRUE);
+
+    lCount = InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);
+
+    if ( lCount == 0)
+    {
+
+        lCount = InterlockedIncrement( &ObjectInfo->ObjectReferenceCount);
+
+        AFSReleaseResource(&ObjectInfo->NonPagedInfo->ObjectInfoLock);
+
+        AFSAcquireExcl( &ObjectInfo->NonPagedInfo->ObjectInfoLock,
+                        TRUE);
+
+        lCount = InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);
+    }
+
+    AFSReleaseResource( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
+
+    return lCount;
+}
+
+
+
 void
 AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
 {
@@ -6532,6 +6588,19 @@ AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
     BOOLEAN bAcquiredTreeLock = FALSE;
     LONG lCount;
 
+    if ( BooleanFlagOn( ObjectInfo->Flags, AFS_OBJECT_ROOT_VOLUME))
+    {
+
+        //
+        // AFSDeleteObjectInfo should never be called on the ObjectInformationCB
+        // embedded in the VolumeCB.
+        //
+
+        ASSERT( TRUE);
+
+        return;
+    }
+
     if( !ExIsResourceAcquiredExclusiveLite( ObjectInfo->VolumeCB->ObjectInfoTree.TreeLock))
     {
 
@@ -6595,7 +6664,7 @@ AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
     if( ObjectInfo->ParentObjectInformation != NULL)
     {
 
-        lCount = InterlockedDecrement( &ObjectInfo->ParentObjectInformation->ObjectReferenceCount);
+        lCount = AFSObjectInfoDecrement( ObjectInfo->ParentObjectInformation);
     }
 
     if( bAcquiredTreeLock)
@@ -6614,11 +6683,13 @@ AFSDeleteObjectInfo( IN AFSObjectInfoCB *ObjectInfo)
         AFSReleaseFid( &ObjectInfo->FileId);
     }
 
+    ExDeleteResourceLite( &ObjectInfo->NonPagedInfo->ObjectInfoLock);
+
     ExDeleteResourceLite( &ObjectInfo->NonPagedInfo->DirectoryNodeHdrLock);
 
-    AFSExFreePool( ObjectInfo->NonPagedInfo);
+    AFSExFreePoolWithTag( ObjectInfo->NonPagedInfo, AFS_NP_OBJECT_INFO_TAG);
 
-    AFSExFreePool( ObjectInfo);
+    AFSExFreePoolWithTag( ObjectInfo, AFS_OBJECT_INFO_TAG);
 
     return;
 }
@@ -6888,7 +6959,7 @@ try_exit:
         if( pDirEntry != NULL)
         {
 
-            AFSExFreePool( pDirEntry);
+            AFSExFreePoolWithTag( pDirEntry, AFS_GENERIC_MEMORY_2_TAG);
         }
 
         if( pVolumeCB != NULL)
@@ -6924,10 +6995,10 @@ try_exit:
                 pwchBuffer != (WCHAR *)((char *)uniFullPathName.Buffer - ulNameDifference))
             {
 
-                AFSExFreePool( uniFullPathName.Buffer);
+                AFSExFreePoolWithTag( uniFullPathName.Buffer, 0);
             }
 
-            AFSExFreePool( pwchBuffer);
+            AFSExFreePoolWithTag( pwchBuffer, 0);
         }
     }
 
@@ -6988,21 +7059,25 @@ AFSCleanupFcb( IN AFSFcb *Fcb,
                             ntStatus = stIoStatus.Status;
                         }
 
-                        if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
-                                                   NULL,
-                                                   0,
-                                                   FALSE))
+                        if (  Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
                         {
 
-                            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);
+                            if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
+                                                       NULL,
+                                                       0,
+                                                       FALSE))
+                            {
 
-                            SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                                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)
@@ -7100,82 +7175,90 @@ AFSCleanupFcb( IN AFSFcb *Fcb,
               ( 0 != Fcb->Specific.File.ExtentCount &&
                 0 != Fcb->Specific.File.LastExtentAccess.QuadPart &&
                 (liTime.QuadPart - Fcb->Specific.File.LastExtentAccess.QuadPart) >=
-                                        (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))) &&
-            AFSAcquireExcl( &Fcb->NPFcb->Resource,
-                            ForceFlush))
+                                        (AFS_SERVER_PURGE_SLEEP * pControlDeviceExt->Specific.Control.FcbPurgeTimeCount.QuadPart))))
         {
 
-            __try
+            if ( AFSAcquireExcl( &Fcb->NPFcb->Resource, ForceFlush))
             {
 
-                CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
-                              NULL,
-                              0,
-                              &stIoStatus);
-
-                if( !NT_SUCCESS( stIoStatus.Status))
+                __try
                 {
 
-                    AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
-                                  AFS_TRACE_LEVEL_ERROR,
-                                  "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
-                                  Fcb->ObjectInformation->FileId.Cell,
-                                  Fcb->ObjectInformation->FileId.Volume,
-                                  Fcb->ObjectInformation->FileId.Vnode,
-                                  Fcb->ObjectInformation->FileId.Unique,
-                                  stIoStatus.Status,
-                                  stIoStatus.Information);
-
-                    ntStatus = stIoStatus.Status;
-                }
-
-                if( ForceFlush)
-                {
+                    CcFlushCache( &Fcb->NPFcb->SectionObjectPointers,
+                                  NULL,
+                                  0,
+                                  &stIoStatus);
 
-                    if ( !CcPurgeCacheSection( &Fcb->NPFcb->SectionObjectPointers,
-                                               NULL,
-                                               0,
-                                               FALSE))
+                    if( !NT_SUCCESS( stIoStatus.Status))
                     {
 
                         AFSDbgLogMsg( AFS_SUBSYSTEM_IO_PROCESSING,
-                                      AFS_TRACE_LEVEL_WARNING,
-                                      "AFSCleanupFcb CcPurgeCacheSection [2] failure FID %08lX-%08lX-%08lX-%08lX\n",
+                                      AFS_TRACE_LEVEL_ERROR,
+                                      "AFSCleanupFcb CcFlushCache [2] failure FID %08lX-%08lX-%08lX-%08lX Status 0x%08lX Bytes 0x%08lX\n",
                                       Fcb->ObjectInformation->FileId.Cell,
                                       Fcb->ObjectInformation->FileId.Volume,
                                       Fcb->ObjectInformation->FileId.Vnode,
-                                      Fcb->ObjectInformation->FileId.Unique);
+                                      Fcb->ObjectInformation->FileId.Unique,
+                                      stIoStatus.Status,
+                                      stIoStatus.Information);
 
-                        SetFlag( Fcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
+                        ntStatus = stIoStatus.Status;
+                    }
+
+                    if( ForceFlush &&
+                        Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
+                    {
+
+                        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)
-            {
+                __except( EXCEPTION_EXECUTE_HANDLER)
+                {
 
-                ntStatus = GetExceptionCode();
+                    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);
-            }
+                    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);
+                AFSReleaseResource( &Fcb->NPFcb->Resource);
 
-            if( Fcb->OpenReferenceCount <= 0)
-            {
+                if( Fcb->OpenReferenceCount <= 0)
+                {
 
-                //
-                // Tear em down we'll not be needing them again
-                //
+                    //
+                    // Tear em down we'll not be needing them again
+                    //
 
-                AFSTearDownFcbExtents( Fcb,
-                                       NULL);
+                    AFSTearDownFcbExtents( Fcb,
+                                           NULL);
+                }
+            }
+            else
+            {
+
+                ntStatus = STATUS_RETRY;
             }
         }
 
@@ -7204,7 +7287,7 @@ AFSUpdateDirEntryName( IN AFSDirectoryCB *DirectoryCB,
             if( BooleanFlagOn( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER))
             {
 
-                AFSExFreePool( DirectoryCB->NameInformation.FileName.Buffer);
+                AFSExFreePoolWithTag( DirectoryCB->NameInformation.FileName.Buffer, 0);
 
                 ClearFlag( DirectoryCB->Flags, AFS_DIR_RELEASE_NAME_BUFFER);
 
@@ -7756,6 +7839,8 @@ AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
 
         AFSServerName = LibraryInit->AFSServerName;
 
+        AFSMountRootName = LibraryInit->AFSMountRootName;
+
         AFSDebugFlags = LibraryInit->AFSDebugFlags;
 
         //
@@ -7770,7 +7855,7 @@ AFSInitializeLibrary( IN AFSLibraryInitCB *LibraryInit)
 
         AFSExAllocatePoolWithTag = LibraryInit->AFSExAllocatePoolWithTag;
 
-        AFSExFreePool = LibraryInit->AFSExFreePool;
+        AFSExFreePoolWithTag = LibraryInit->AFSExFreePoolWithTag;
 
         AFSDumpTraceFilesFnc = LibraryInit->AFSDumpTraceFiles;
 
@@ -8041,7 +8126,7 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
 
                 pObjectInfo = &pVolumeCB->ObjectInformation;
 
-                lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
+                lCount = AFSObjectInfoIncrement( pObjectInfo);
 
                 lCount = InterlockedDecrement( &pVolumeCB->VolumeReferenceCount);
             }
@@ -8072,7 +8157,7 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
                     // Reference the node so it won't be torn down
                     //
 
-                    lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
+                    lCount = AFSObjectInfoIncrement( pObjectInfo);
 
                     AFSDbgLogMsg( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
                                   AFS_TRACE_LEVEL_VERBOSE,
@@ -8242,7 +8327,7 @@ AFSGetObjectStatus( IN AFSGetStatusInfoCB *GetStatusInfo,
 
             pObjectInfo = pDirectoryEntry->ObjectInformation;
 
-            lCount = InterlockedIncrement( &pObjectInfo->ObjectReferenceCount);
+            lCount = AFSObjectInfoIncrement( pObjectInfo);
 
             if( pVolumeCB != NULL)
             {
@@ -8302,7 +8387,7 @@ try_exit:
         if( pObjectInfo != NULL)
         {
 
-            lCount = InterlockedDecrement( &pObjectInfo->ObjectReferenceCount);
+            lCount = AFSObjectInfoDecrement( pObjectInfo);
         }
 
         if( pNameArray != NULL)
@@ -8321,6 +8406,7 @@ AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
 {
 
     NTSTATUS ntStatus = STATUS_SUCCESS;
+    AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
     AFSDirectoryCB *pDirEntry = NULL;
     ULONG ulCRC = 0;
     LONG lCount;
@@ -8374,7 +8460,8 @@ AFSCheckSymlinkAccess( IN AFSDirectoryCB *ParentDirectoryCB,
                 // a lookup in the short name tree
                 //
 
-                if( RtlIsNameLegalDOS8Dot3( ComponentName,
+                if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
+                    RtlIsNameLegalDOS8Dot3( ComponentName,
                                             NULL,
                                             NULL))
                 {
@@ -8926,6 +9013,16 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
                     ObjectInfo->Fcb != NULL)
                 {
 
+                    AFSAcquireExcl( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource,
+                                    TRUE);
+
+                    ObjectInfo->Links = 0;
+
+                    ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestStatus = STATUS_FILE_DELETED;
+
+                    KeSetEvent( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsRequestComplete,
+                                0,
+                                FALSE);
 
                     //
                     // Clear out the extents
@@ -8935,6 +9032,8 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
 
                     AFSTearDownFcbExtents( ObjectInfo->Fcb,
                                            NULL);
+
+                    AFSReleaseResource( &ObjectInfo->Fcb->NPFcb->Specific.File.ExtentsResource);
                 }
 
                 break;
@@ -9018,7 +9117,8 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
 
                                     bExtentsLocked = FALSE;
 
-                                    if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
+                                    if( ObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL &&
+                                        !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
                                                               NULL,
                                                               0,
                                                               FALSE))
@@ -9098,7 +9198,8 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
 
                                             ulSize = ByteRangeList[ulIndex].Length.QuadPart > DWORD_MAX ? DWORD_MAX : ByteRangeList[ulIndex].Length.LowPart;
 
-                                            if( !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
+                                            if( ObjectInfo->Fcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL &&
+                                                !CcPurgeCacheSection( &ObjectInfo->Fcb->NPFcb->SectionObjectPointers,
                                                                       &ByteRangeList[ulIndex].FileOffset,
                                                                       ulSize,
                                                                       FALSE))
@@ -9299,7 +9400,8 @@ AFSPerformObjectInvalidate( IN AFSObjectInfoCB *ObjectInfo,
 
         if( ObjectInfo != NULL)
         {
-            InterlockedDecrement( &ObjectInfo->ObjectReferenceCount);
+
+            AFSObjectInfoDecrement( ObjectInfo);
         }
     }