diff options
Diffstat (limited to 'src/Driver')
| -rw-r--r-- | src/Driver/Ntdriver.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/Driver/Ntdriver.c b/src/Driver/Ntdriver.c index 1b6bab01..148f88b8 100644 --- a/src/Driver/Ntdriver.c +++ b/src/Driver/Ntdriver.c @@ -1441,17 +1441,22 @@ NTSTATUS ProcessVolumeDeviceControlIrp (PDEVICE_OBJECT DeviceObject, PEXTENSION Irp->IoStatus.Status = STATUS_SUCCESS; Irp->IoStatus.Information = 0; } break; case IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS: Dump ("ProcessVolumeDeviceControlIrp (IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS)\n"); // Vista's, Windows 8.1 and later filesystem defragmenter fails if IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS does not succeed. - if (ValidateIOBufferSize(Irp, sizeof(VOLUME_DISK_EXTENTS), ValidateOutput)) + if (!AllowWindowsDefrag || !Extension->bRawDevice) // We don't support defragmentation for file-hosted volumes + { + Irp->IoStatus.Status = STATUS_INVALID_DEVICE_REQUEST; + Irp->IoStatus.Information = 0; + } + else if (ValidateIOBufferSize(Irp, sizeof(VOLUME_DISK_EXTENTS), ValidateOutput)) { VOLUME_DISK_EXTENTS* extents = (VOLUME_DISK_EXTENTS*)Irp->AssociatedIrp.SystemBuffer; // Windows 10 filesystem defragmenter works only if we report an extent with a real disk number // So in the case of a VeraCrypt disk based volume, we use the disk number // of the underlaying physical disk and we report a single extent extents->NumberOfDiskExtents = 1; extents->Extents[0].DiskNumber = Extension->DeviceNumber; |