From f3b9beeb391858c79b1fc474e566690cf2e765bc Mon Sep 17 00:00:00 2001
From: Pierre Schweitzer <pierre@reactos.org>
Date: Tue, 23 Oct 2018 21:48:01 +0200
Subject: [PATCH] [NTOSKRNL] Translate pinning flags to mapping flags when
 first mapping a file

---
 ntoskrnl/cc/pin.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/ntoskrnl/cc/pin.c b/ntoskrnl/cc/pin.c
index 4f0e4f5a822..d972f8a75d2 100644
--- a/ntoskrnl/cc/pin.c
+++ b/ntoskrnl/cc/pin.c
@@ -267,6 +267,7 @@ CcpPinData(
     BOOLEAN Result;
     PROS_VACB Vacb;
     KIRQL OldIrql;
+    ULONG MapFlags;
 
     KeAcquireSpinLock(&SharedCacheMap->BcbSpinLock, &OldIrql);
     NewBcb = CcpFindBcb(SharedCacheMap, FileOffset, Length, TRUE);
@@ -305,7 +306,13 @@ CcpPinData(
             return FALSE;
         }
 
-        Result = CcpMapData(SharedCacheMap, FileOffset, Length, Flags, &Vacb, Buffer);
+        MapFlags = Flags & PIN_WAIT;
+        if (BooleanFlagOn(Flags, PIN_NO_READ))
+        {
+            SetFlag(MapFlags, MAP_NO_READ);
+        }
+
+        Result = CcpMapData(SharedCacheMap, FileOffset, Length, MapFlags, &Vacb, Buffer);
         if (Result)
         {
             NewBcb = CcpGetAppropriateBcb(SharedCacheMap, Vacb, FileOffset, Length, Flags, TRUE);