From 1a267045f8cd36de9eb7542bef9a2fd7d34e0b09 Mon Sep 17 00:00:00 2001
From: Pierre Schweitzer <pierre@reactos.org>
Date: Sun, 23 Dec 2018 12:10:58 +0100
Subject: [PATCH] [NTOSKRNL] Honor files that shouldn't be lazy written

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

diff --git a/ntoskrnl/cc/view.c b/ntoskrnl/cc/view.c
index d64496595f4..890c75e99cd 100644
--- a/ntoskrnl/cc/view.c
+++ b/ntoskrnl/cc/view.c
@@ -222,6 +222,14 @@ CcRosFlushDirtyPages (
             continue;
         }
 
+        /* Don't attempt to lazy write the files that asked not to */
+        if (CalledFromLazy &&
+            BooleanFlagOn(current->SharedCacheMap->Flags, WRITEBEHIND_DISABLED))
+        {
+            CcRosVacbDecRefCount(current);
+            continue;
+        }
+
         ASSERT(current->Dirty);
 
         KeReleaseQueuedSpinLock(LockQueueMasterLock, OldIrql);