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Force a rebuild of the partition table if it already exists with a DeviceObject.

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svn path=/trunk/; revision=10103
This commit is contained in:
James Tabor
2004-07-13 02:43:06 +00:00
parent 1605dba90a
commit 6e5edb7df9
1 changed files with 26 additions and 10 deletions
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reactos/drivers/storage/disk/disk.c
+26 -10
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@@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* $Id: disk.c,v 1.44 2004/07/05 21:42:05 hbirr Exp $
/* $Id: disk.c,v 1.45 2004/07/13 02:43:06 jimtabor Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@@ -870,13 +870,29 @@ DiskBuildPartitionTable(IN PDEVICE_OBJECT DiskDeviceObject,
return Status;
}
/*
A previous partition table may exist for this Device Object.
We will need to delete this data and force a rebuild.
*/
if(DiskDeviceExtension->StartingOffset.QuadPart)
{
DPRINT("Partition already installed!\n");
DiskData->PartitionType = 0;
DiskData->PartitionNumber = 0;
DiskData->PartitionOrdinal = 0;
DiskData->HiddenSectors = 0;
DiskData->BootIndicator = 0;
DiskData->DriveNotReady = FALSE;
DiskDeviceExtension->StartingOffset.QuadPart = 0;
DiskDeviceExtension->PartitionLength.QuadPart = 0;
}
/* Read partition table */
Status = IoReadPartitionTable(DiskDeviceExtension->PhysicalDevice,
Status = IoReadPartitionTable(DiskDeviceObject,
DiskDeviceExtension->DiskGeometry->BytesPerSector,
TRUE,
&PartitionList);
DPRINT("IoReadPartitionTable(): Status: %lx\n", Status);
if (!NT_SUCCESS(Status))
@@ -925,14 +941,14 @@ DiskBuildPartitionTable(IN PDEVICE_OBJECT DiskDeviceObject,
}
else
{
DiskData->PartitionType = 0;
DiskData->PartitionNumber = 1;
DiskData->PartitionOrdinal = 0;
DiskData->HiddenSectors = 0;
DiskData->BootIndicator = 0;
DiskData->DriveNotReady = FALSE;
DiskDeviceExtension->PartitionLength.QuadPart += DiskDeviceExtension->StartingOffset.QuadPart;
DiskData->PartitionType = 0;
DiskData->PartitionNumber = 1;
DiskData->PartitionOrdinal = 0;
DiskData->HiddenSectors = 0;
DiskData->BootIndicator = 0;
DiskData->DriveNotReady = FALSE;
DiskDeviceExtension->StartingOffset.QuadPart = 0;
DiskDeviceExtension->PartitionLength.QuadPart += DiskDeviceExtension->StartingOffset.QuadPart;
}
}