[NTOSKRNL:CC] Bug Fix

Some test failed due to miss use of ForwardClusterOnly

NTOSKRNL/CC/ccpinsupport.cpp

@@ -90,7 +90,7 @@ CcMapDataForOverwrite(
       
     }
 
-    savedState = currentThread->CacheManagerActive + 2 * currentThread->ReadClusterSize;
+    savedState = currentThread->ForwardClusterOnly + 2 * currentThread->ReadClusterSize;
     readClusterSize = currentThread->ReadClusterSize;
 
     CcMapDataCommon(FileObject, FileOffset, Length, TRUE, &outBcb, &localBuffer);
@@ -101,7 +101,7 @@ CcMapDataForOverwrite(
 
     while (remainingPages)
     {
-        currentThread->CacheManagerActive = 1;
+        currentThread->ForwardClusterOnly = 1;
         if (--remainingPages > readClusterSize)
         {
             currentThread->ReadClusterSize = (remainingPages > 0xF) ? 15 : remainingPages;
@@ -114,8 +114,8 @@ CcMapDataForOverwrite(
 
          SystemCacheAddress += 4096;
     }
-
-    currentThread->CacheManagerActive = savedState & 1;
+    /* Restore to the saved state*/
+    currentThread->ForwardClusterOnly = savedState & 1;
     currentThread->ReadClusterSize = savedState >> 1;
     *Bcb = outBcb;
     *Buffer = localBuffer;