From 2bda155345a42697ce38116811fa47d674c9044e Mon Sep 17 00:00:00 2001
From: Pierre Schweitzer <pierre@reactos.org>
Date: Tue, 23 Feb 2016 19:57:10 +0000
Subject: [PATCH] [NTFS] Moar locking

svn path=/trunk/; revision=70777
---
 reactos/drivers/filesystems/ntfs/cleanup.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/reactos/drivers/filesystems/ntfs/cleanup.c b/reactos/drivers/filesystems/ntfs/cleanup.c
index 4ac09f36618..b8227110fc8 100644
--- a/reactos/drivers/filesystems/ntfs/cleanup.c
+++ b/reactos/drivers/filesystems/ntfs/cleanup.c
@@ -106,7 +106,16 @@ NtfsCleanup(PNTFS_IRP_CONTEXT IrpContext)
     FileObject = IrpContext->FileObject;
     DeviceExtension = DeviceObject->DeviceExtension;
 
+    if (!ExAcquireResourceExclusiveLite(&DeviceExtension->DirResource,
+                                        BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT)))
+    {
+        return NtfsMarkIrpContextForQueue(IrpContext);
+    }
+
     Status = NtfsCleanupFile(DeviceExtension, FileObject, BooleanFlagOn(IrpContext->Flags, IRPCONTEXT_CANWAIT));
+
+    ExReleaseResourceLite(&DeviceExtension->DirResource);
+
     if (Status == STATUS_PENDING)
     {
         return NtfsMarkIrpContextForQueue(IrpContext);
-- 
2.17.1