From 1ad09f9b99d6ec7c16e154a8fcf6ca00407326a1 Mon Sep 17 00:00:00 2001
From: Bill Zissimopoulos <billziss@navimatics.com>
Date: Mon, 7 Mar 2016 18:34:24 -0800
Subject: [PATCH] sys: IRP_MJ_WRITE, IRP_MJ_READ: testing

---
 src/dll/fsop.c | 2 +-
 src/sys/read.c | 2 +-
 src/sys/util.c | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/dll/fsop.c b/src/dll/fsop.c
index f84b0bd4..2489be63 100644
--- a/src/dll/fsop.c
+++ b/src/dll/fsop.c
@@ -455,7 +455,7 @@ FSP_API NTSTATUS FspFileSystemOpWrite(FSP_FILE_SYSTEM *FileSystem,
     if (STATUS_PENDING != Result)
     {
         Response->IoStatus.Information = BytesTransferred;
-        memcpy(&Response->Rsp.Read.FileInfo, &FileInfo, sizeof FileInfo);
+        memcpy(&Response->Rsp.Write.FileInfo, &FileInfo, sizeof FileInfo);
     }
 
     return Result;
diff --git a/src/sys/read.c b/src/sys/read.c
index f030722a..863ed53d 100644
--- a/src/sys/read.c
+++ b/src/sys/read.c
@@ -197,7 +197,7 @@ static NTSTATUS FspFsvolReadNonCached(
     if (0 == Irp->MdlAddress)
     {
         Result = FspLockUserBuffer(Irp->UserBuffer, ReadLength,
-            Irp->RequestorMode, IoReadAccess, &Irp->MdlAddress);
+            Irp->RequestorMode, IoWriteAccess, &Irp->MdlAddress);
         if (!NT_SUCCESS(Result))
             return Result;
     }
diff --git a/src/sys/util.c b/src/sys/util.c
index 361fd48f..31202518 100644
--- a/src/sys/util.c
+++ b/src/sys/util.c
@@ -522,6 +522,7 @@ NTSTATUS FspSafeMdlCreate(PMDL UserMdl, LOCK_OPERATION Operation, FSP_SAFE_MDL *
         Result = STATUS_INSUFFICIENT_RESOURCES;
         goto exit;
     }
+    SafeMdl->Mdl->MdlFlags |= MDL_PAGES_LOCKED;
     UserPfnArray = MmGetMdlPfnArray(UserMdl);
     SafePfnArray = MmGetMdlPfnArray(SafeMdl->Mdl);
     RtlCopyMemory(SafePfnArray, UserPfnArray, PageCount * sizeof(PFN_NUMBER));