Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2024-12-27 01:24:38 +00:00
Code Issues Projects Releases Packages Wiki Activity

Added default disk geometry.

Browse source 
svn path=/trunk/; revision=2763
This commit is contained in:
Eric Kohl 2002-03-22 20:32:36 +00:00
parent a613171558
commit 270385e857
1 changed files with 11 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

26
reactos/drivers/storage/cdrom/cdrom.c
View file

@ -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: cdrom.c,v 1.4 2002/03/20 20:00:07 ekohl Exp $
/* $Id: cdrom.c,v 1.5 2002/03/22 20:32:36 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -409,6 +409,7 @@ CdromClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
DiskDeviceExtension->LockCount = 0;
DiskDeviceExtension->DeviceNumber = DeviceNumber;
DiskDeviceExtension->PortDeviceObject = PortDeviceObject;
DiskDeviceExtension->PhysicalDevice = DiskDeviceObject;
/* FIXME: Not yet! Will cause pointer corruption! */
// DiskDeviceExtension->PortCapabilities = PortCapabilities;
@ -444,28 +445,23 @@ CdromClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
/* Read the drive's capacity */
Status = ScsiClassReadDriveCapacity(DiskDeviceObject);
#if 0
if (!NT_SUCCESS(Status) &&
(DiskDeviceObject->Characteristics & FILE_REMOVABLE_MEDIA) == 0)
if (!NT_SUCCESS(Status) ||
DiskDeviceExtension->DiskGeometry->BytesPerSector == 0)
{
DPRINT1("Failed to retrieve drive capacity!\n");
return(STATUS_SUCCESS);
/* Set ISO9660 defaults */
DiskDeviceExtension->DiskGeometry->BytesPerSector = 2048;
DiskDeviceExtension->SectorShift = 11;
DiskDeviceExtension->PartitionLength.QuadPart = (ULONGLONG)0x7fffffff;
}
else
{
/* Clear the verify flag for non-removable media drives. */
DiskDeviceObject->Flags &= ~DO_VERIFY_VOLUME;
}
#endif
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to retrieve drive capacity!\n");
return(STATUS_SUCCESS);
/* Make sure the BytesPerSector value is a power of 2 */
// DiskDeviceExtension->DiskGeometry->BytesPerSector = 2048;
}
DPRINT("SectorSize: %lu\n", DiskDeviceExtension->DiskGeometry->BytesPerSector);
/* FIXME: initialize media change support */
DPRINT("CdromClassCreateDeviceObjects() done\n");