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[DISK]
Revert r65097 and r65090. Thanks to r65104, now the FSCTLs go to the right place: the FSDs! Thanks to Thomas for pointing out that NTFSinfo was really talking with the FSD on Windows and not to disk.sys CORE-8725 svn path=/trunk/; revision=65105
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@ -385,11 +385,6 @@ Return Value:
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InitializationData.ClassShutdownFlush = ScsiDiskShutdownFlush;
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InitializationData.ClassCreateClose = NULL;
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//
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// HACK! Please check below to the implementation of the function
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//
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DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] = ScsiDiskFileSystemControl;
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//
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// Call the class init routine
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//
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@ -5214,116 +5209,3 @@ Return Value:
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} // end UpdateDeviceObjects()
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//
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// This function is supposed only to support NTFS tools
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// from M. Russinovich. This is kind of huge hack and is
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// totally undocumented :-).
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//
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NTSTATUS
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NtfsRussinovichism(PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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#define FSCTL_GET_VOLUME_INFORMATION 0x90064
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typedef struct {
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LARGE_INTEGER SerialNumber;
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LARGE_INTEGER NumberOfSectors;
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LARGE_INTEGER TotalClusters;
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LARGE_INTEGER FreeClusters;
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LARGE_INTEGER Reserved;
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ULONG BytesPerSector;
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ULONG BytesPerCluster;
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ULONG BytesPerMFTRecord;
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ULONG ClustersPerMFTRecord;
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LARGE_INTEGER MFTLength;
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LARGE_INTEGER MFTStart;
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LARGE_INTEGER MFTMirrorStart;
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LARGE_INTEGER MFTZoneStart;
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LARGE_INTEGER MFTZoneEnd;
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} NTFS_VOLUME_DATA_BUFFER, *PNTFS_VOLUME_DATA_BUFFER;
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PIO_STACK_LOCATION Stack;
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NTSTATUS Status;
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PDEVICE_EXTENSION deviceExtension = DeviceObject->DeviceExtension;
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PDISK_DATA diskData;
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DPRINT1("NtfsRussinovichism(%p, %p)\n", DeviceObject, Irp);
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Stack = IoGetCurrentIrpStackLocation(Irp);
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switch (Stack->Parameters.FileSystemControl.FsControlCode)
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{
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case FSCTL_GET_VOLUME_INFORMATION:
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//
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// Check we received something we understand
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//
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if (Stack->Parameters.FileSystemControl.OutputBufferLength < sizeof(NTFS_VOLUME_DATA_BUFFER) ||
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Irp->UserBuffer == NULL)
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{
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DPRINT1("Invalid output! %d %p\n", Stack->Parameters.FileSystemControl.OutputBufferLength, Irp->UserBuffer);
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Status = STATUS_INVALID_PARAMETER;
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break;
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}
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//
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// Now, quickly check we are supposed to have a NTFS volume
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//
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diskData = (PDISK_DATA)(deviceExtension + 1);
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if (diskData->PartitionType != PARTITION_IFS)
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{
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DPRINT1("Invalid partition type! %x\n", diskData->PartitionType);
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Status = STATUS_INVALID_PARAMETER;
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break;
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}
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UNIMPLEMENTED;
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Status = STATUS_NOT_IMPLEMENTED;
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break;
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default:
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Status = STATUS_INVALID_DEVICE_REQUEST;
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break;
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}
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return Status;
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#undef FSCTL_GET_VOLUME_INFORMATION
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}
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//
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// Hack: this function is not supposed to be implemented
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// Even though it's required to enable some M. Russinovich
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// to directly request disks so that they can dump NTFS data
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// without going through the driver.
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// We don't expect doing more from here, hence the limited
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// implementation and support.
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//
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NTSTATUS
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NTAPI
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ScsiDiskFileSystemControl(PDEVICE_OBJECT DeviceObject,
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PIRP Irp)
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{
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PIO_STACK_LOCATION Stack;
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NTSTATUS Status;
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DPRINT1("ScsiDiskFileSystemControl(%p, %p)\n", DeviceObject, Irp);
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Stack = IoGetCurrentIrpStackLocation(Irp);
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switch (Stack->MinorFunction)
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{
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case IRP_MN_USER_FS_REQUEST:
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Status = NtfsRussinovichism(DeviceObject, Irp);
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break;
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default:
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DPRINT("MinorFunction %d\n", Stack->MinorFunction);
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Status = STATUS_INVALID_DEVICE_REQUEST;
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break;
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}
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Irp->IoStatus.Status = Status;
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Irp->IoStatus.Information = 0;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return Status;
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}
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