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Windows: Implement workaround on Windows 10 to make VeraCrypt encrypted disks visible to Windows defragmenter

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This commit is contained in:
Mounir IDRASSI
2018-08-18 11:13:20 +02:00
parent 2fea18c3f5
commit 20889d4553
3 changed files with 32 additions and 5 deletions
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10
src/Driver/Ntvol.c
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@@ -72,6 +72,8 @@ NTSTATUS TCOpenVolume (PDEVICE_OBJECT DeviceObject,
Extension->IncursSeekPenalty = TRUE;
Extension->TrimEnabled = FALSE;
Extension->DeviceNumber = (ULONG) -1;
RtlInitUnicodeString (&FullFileName, pwszMountVolume);
InitializeObjectAttributes (&oaFileAttributes, &FullFileName, OBJ_CASE_INSENSITIVE | (forceAccessCheck ? OBJ_FORCE_ACCESS_CHECK : 0) | OBJ_KERNEL_HANDLE, NULL, NULL);
KeInitializeEvent (&Extension->keVolumeEvent, NotificationEvent, FALSE);
@@ -94,6 +96,7 @@ NTSTATUS TCOpenVolume (PDEVICE_OBJECT DeviceObject,
DISK_GEOMETRY_EX dg;
STORAGE_PROPERTY_QUERY storagePropertyQuery = {0};
byte* dgBuffer;
STORAGE_DEVICE_NUMBER storageDeviceNumber;
ntStatus = IoGetDeviceObjectPointer (&FullFileName,
FILE_READ_DATA | FILE_READ_ATTRIBUTES,
@@ -147,6 +150,13 @@ NTSTATUS TCOpenVolume (PDEVICE_OBJECT DeviceObject,
TCfree (dgBuffer);
if (NT_SUCCESS (TCSendHostDeviceIoControlRequest (DeviceObject, Extension,
IOCTL_STORAGE_GET_DEVICE_NUMBER,
(char*) &storageDeviceNumber, sizeof (storageDeviceNumber))))
{
Extension->DeviceNumber = storageDeviceNumber.DeviceNumber;
}
lDiskLength.QuadPart = dg.DiskSize.QuadPart;
Extension->HostBytesPerSector = dg.Geometry.BytesPerSector;
Extension->HostBytesPerPhysicalSector = dg.Geometry.BytesPerSector;