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-rw-r--r--MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c b/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c
index 1b0c3b36eb..0a5d3d28f0 100644
--- a/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c
+++ b/MdeModulePkg/Universal/Disk/PartitionDxe/Partition.c
@@ -4,7 +4,7 @@
of the raw block devices media. Currently "El Torito CD-ROM", Legacy
MBR, and GPT partition schemes are supported.
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2006 - 2011, 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
@@ -648,6 +648,11 @@ PartitionInstallChildHandle (
Private->BlockIo.Media = &Private->Media;
CopyMem (Private->BlockIo.Media, ParentBlockIo->Media, sizeof (EFI_BLOCK_IO_MEDIA));
Private->Media.LogicalPartition = TRUE;
+
+ //
+ // Logical BlockIo instance doesn't have IoAlign restriction because it implements block io operation based on DiskIo
+ //
+ Private->Media.IoAlign = 0;
Private->Media.LastBlock = DivU64x32 (
MultU64x32 (
End - Start + 1,
@@ -656,7 +661,7 @@ PartitionInstallChildHandle (
BlockSize
) - 1;
- Private->Media.BlockSize = (UINT32) BlockSize;
+ Private->Media.BlockSize = (UINT32) BlockSize;
//
// Per UEFI Spec, LowestAlignedLba and LogicalBlocksPerPhysicalBlock must be 0