Revision: 14588
http://sourceforge.net/p/edk2/code/14588
Author: niruiyu
Date: 2013-08-22 05:44:23 +0000 (Thu, 22 Aug 2013)
Log Message:
-----------
Do not lock the volume when the volume maps to a file instead of a physical
disk.
Otherwise WriteBlocks() on the volume which maps to a file will fail.
Signed-off-by: Ruiyu Ni <ruiyu...@intel.com>
Reviewed-by: Eric Dong <eric.d...@intel.com>
Modified Paths:
--------------
trunk/edk2/Nt32Pkg/WinNtBlockIoDxe/WinNtBlockIo.c
Modified: trunk/edk2/Nt32Pkg/WinNtBlockIoDxe/WinNtBlockIo.c
===================================================================
--- trunk/edk2/Nt32Pkg/WinNtBlockIoDxe/WinNtBlockIo.c 2013-08-22 05:15:05 UTC
(rev 14587)
+++ trunk/edk2/Nt32Pkg/WinNtBlockIoDxe/WinNtBlockIo.c 2013-08-22 05:44:23 UTC
(rev 14588)
@@ -1,6 +1,6 @@
/**@file
-Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD
License
which accompanies this distribution. The full text of the license may be
found at
@@ -990,11 +990,15 @@
// According the Windows requirement, first need to lock the volume before
// write to it.
//
- Locked = Private->WinNtThunk->DeviceIoControl (Private->NtHandle,
FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &BytesReturned, NULL);
- if (Locked == 0) {
- DEBUG ((EFI_D_INIT, "ReadBlocks: Lock volume failed. (%d)\n",
Private->WinNtThunk->GetLastError ()));
- Status = WinNtBlockIoError (Private);
- goto Done;
+ if (Private->DeviceType == EfiWinNtPhysicalDisks) {
+ Locked = Private->WinNtThunk->DeviceIoControl (Private->NtHandle,
FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0, &BytesReturned, NULL);
+ if (Locked == 0) {
+ DEBUG ((EFI_D_INIT, "ReadBlocks: Lock volume failed. (%d)\n",
Private->WinNtThunk->GetLastError ()));
+ Status = WinNtBlockIoError (Private);
+ goto Done;
+ }
+ } else {
+ Locked = 0;
}
Flag = Private->WinNtThunk->WriteFile (Private->NtHandle, Buffer, (DWORD)
BufferSize, (LPDWORD) &BytesWritten, NULL);
if (Locked != 0) {
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