[jgardou] 72987: [FASTFAT] - Acquire Paging IO Resource shared when performing paged writes Greenlighted by Pierre and tests. CORE-12184 #resolve

Author: jgardou
Date: Tue Oct 18 19:28:16 2016
New Revision: 72987

URL: http://svn.reactos.org/svn/reactos?rev=72987&view=rev
Log:
[FASTFAT]
 - Acquire Paging IO Resource shared when performing paged writes 
Greenlighted by Pierre and tests.
CORE-12184 #resolve 

Modified:
    trunk/reactos/drivers/filesystems/fastfat/rw.c

Modified: trunk/reactos/drivers/filesystems/fastfat/rw.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/filesystems/fastfa…
==============================================================================
--- trunk/reactos/drivers/filesystems/fastfat/rw.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/filesystems/fastfat/rw.c	[iso-8859-1] Tue Oct 18 19:28:16 2016
@@ -880,7 +880,7 @@
         Resource = &Fcb->MainResource;
     }
 
-    if (Fcb->Flags & FCB_IS_PAGE_FILE)
+    if ((Fcb->Flags & FCB_IS_PAGE_FILE) || (IrpContext->Irp->Flags &
IRP_PAGING_IO))
     {
         if (!ExAcquireResourceSharedLite(Resource,
                                          BooleanFlagOn(IrpContext->Flags,
IRPCONTEXT_CANWAIT)))