[ros-diffs] [pschweitzer] 65105: [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 F...

Author: pschweitzer
Date: Wed Oct 29 18:25:30 2014
New Revision: 65105

URL: http://svn.reactos.org/svn/reactos?rev=65105&view=rev
Log:
[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

Modified:
    trunk/reactos/drivers/storage/class/disk/disk.c

Modified: trunk/reactos/drivers/storage/class/disk/disk.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/storage/class/disk…
==============================================================================
--- trunk/reactos/drivers/storage/class/disk/disk.c	[iso-8859-1] (original)
+++ trunk/reactos/drivers/storage/class/disk/disk.c	[iso-8859-1] Wed Oct 29 18:25:30 2014
@@ -384,11 +384,6 @@
     InitializationData.ClassDeviceControl = ScsiDiskDeviceControl;
     InitializationData.ClassShutdownFlush = ScsiDiskShutdownFlush;
     InitializationData.ClassCreateClose = NULL;
-
-    //
-    // HACK! Please check below to the implementation of the function
-    //
-    DriverObject->MajorFunction[IRP_MJ_FILE_SYSTEM_CONTROL] =
ScsiDiskFileSystemControl;
 
     //
     // Call the class init routine
@@ -5214,116 +5209,3 @@
 
 } // end UpdateDeviceObjects()
 
-//
-// This function is supposed only to support NTFS tools
-// from M. Russinovich. This is kind of huge hack and is
-// totally undocumented :-).
-//
-NTSTATUS
-NtfsRussinovichism(PDEVICE_OBJECT DeviceObject,
-                   PIRP Irp)
-{
-#define FSCTL_GET_VOLUME_INFORMATION 0x90064
-    typedef struct {   
-        LARGE_INTEGER       SerialNumber;   
-        LARGE_INTEGER       NumberOfSectors;   
-        LARGE_INTEGER       TotalClusters;   
-        LARGE_INTEGER       FreeClusters;   
-        LARGE_INTEGER       Reserved;   
-        ULONG               BytesPerSector;   
-        ULONG               BytesPerCluster;   
-        ULONG               BytesPerMFTRecord;   
-        ULONG               ClustersPerMFTRecord;   
-        LARGE_INTEGER       MFTLength;   
-        LARGE_INTEGER       MFTStart;   
-        LARGE_INTEGER       MFTMirrorStart;   
-        LARGE_INTEGER       MFTZoneStart;   
-        LARGE_INTEGER       MFTZoneEnd;   
-    } NTFS_VOLUME_DATA_BUFFER, *PNTFS_VOLUME_DATA_BUFFER;
-
-    PIO_STACK_LOCATION Stack;
-    NTSTATUS Status;
-    PDEVICE_EXTENSION deviceExtension = DeviceObject->DeviceExtension;
-    PDISK_DATA diskData;
-
-    DPRINT1("NtfsRussinovichism(%p, %p)\n", DeviceObject, Irp);
-
-    Stack = IoGetCurrentIrpStackLocation(Irp);
-
-    switch (Stack->Parameters.FileSystemControl.FsControlCode)
-    {
-        case FSCTL_GET_VOLUME_INFORMATION:
-            //
-            // Check we received something we understand
-            //
-            if (Stack->Parameters.FileSystemControl.OutputBufferLength <
sizeof(NTFS_VOLUME_DATA_BUFFER) ||
-                Irp->UserBuffer == NULL)
-            {
-                DPRINT1("Invalid output! %d %p\n",
Stack->Parameters.FileSystemControl.OutputBufferLength, Irp->UserBuffer);
-                Status = STATUS_INVALID_PARAMETER;
-                break;
-            }
-
-            //
-            // Now, quickly check we are supposed to have a NTFS volume
-            //
-            diskData = (PDISK_DATA)(deviceExtension + 1);
-            if (diskData->PartitionType != PARTITION_IFS)
-            {
-                DPRINT1("Invalid partition type! %x\n",
diskData->PartitionType);
-                Status = STATUS_INVALID_PARAMETER;
-                break;
-            }
-
-            UNIMPLEMENTED;
-            Status = STATUS_NOT_IMPLEMENTED;
-            break;
-
-        default:
-            Status = STATUS_INVALID_DEVICE_REQUEST;
-            break;
-    }
-
-    return Status;
-#undef FSCTL_GET_VOLUME_INFORMATION
-}
-
-//
-// Hack: this function is not supposed to be implemented
-// Even though it's required to enable some M. Russinovich
-// to directly request disks so that they can dump NTFS data
-// without going through the driver.
-// We don't expect doing more from here, hence the limited
-// implementation and support.
-//
-NTSTATUS
-NTAPI
-ScsiDiskFileSystemControl(PDEVICE_OBJECT DeviceObject,
-                          PIRP Irp)
-{
-    PIO_STACK_LOCATION Stack;
-    NTSTATUS Status;
-
-    DPRINT1("ScsiDiskFileSystemControl(%p, %p)\n", DeviceObject, Irp);
-
-    Stack = IoGetCurrentIrpStackLocation(Irp);
-
-    switch (Stack->MinorFunction)
-    {
-        case IRP_MN_USER_FS_REQUEST:
-            Status = NtfsRussinovichism(DeviceObject, Irp);
-            break;
-
-        default:
-            DPRINT("MinorFunction %d\n", Stack->MinorFunction);
-            Status = STATUS_INVALID_DEVICE_REQUEST;
-            break;
-    }
-
-    Irp->IoStatus.Status = Status;
-    Irp->IoStatus.Information = 0;
-
-    IoCompleteRequest(Irp, IO_NO_INCREMENT);
-
-    return Status;
-}