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Major refactoring: WIP

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This commit is contained in:
Bill Zissimopoulos
2015-12-22 16:37:59 -08:00
parent 1ed7575316
commit 59203b7db9
1 changed files with 20 additions and 15 deletions
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35
src/sys/volume.c
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@@ -127,9 +127,9 @@ NTSTATUS FspVolumeCreate(
FsvolDeviceExtension->FsvrtDeviceObject = FsvrtDeviceObject; FsvolDeviceExtension->FsvrtDeviceObject = FsvrtDeviceObject;
FsvolDeviceExtension->VolumeParams = VolumeParams; FsvolDeviceExtension->VolumeParams = VolumeParams;
RtlCopyUnicodeString(&FsvolDeviceExtension->VolumeName, &VolumeName); RtlCopyUnicodeString(&FsvolDeviceExtension->VolumeName, &VolumeName);
FspDeviceInitComplete(FsvolDeviceObject);
if (0 != FsvrtDeviceObject) if (0 != FsvrtDeviceObject)
FspDeviceInitComplete(FsvrtDeviceObject); FspDeviceInitComplete(FsvrtDeviceObject);
FspDeviceInitComplete(FsvolDeviceObject);
/* do we need to register with MUP? */ /* do we need to register with MUP? */
if (0 == FsvrtDeviceObject) if (0 == FsvrtDeviceObject)
@@ -161,7 +161,25 @@ NTSTATUS FspVolumeGetName(
{ {
PAGED_CODE(); PAGED_CODE();
return STATUS_INVALID_DEVICE_REQUEST; /* check parameters */
ULONG OutputBufferLength = IrpSp->Parameters.FileSystemControl.OutputBufferLength;
PVOID SystemBuffer = Irp->AssociatedIrp.SystemBuffer;
if (FSP_FSCTL_VOLUME_NAME_SIZEMAX > OutputBufferLength)
return STATUS_BUFFER_TOO_SMALL;
PDEVICE_OBJECT FsvolDeviceObject = IrpSp->FileObject->FsContext2;
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension = FspFsvolDeviceExtension(FsvolDeviceObject);
UNICODE_STRING VolumeName;
ASSERT(FSP_FSCTL_VOLUME_NAME_SIZEMAX >=
FsvolDeviceExtension->VolumeName.MaximumLength + sizeof(WCHAR));
RtlInitEmptyUnicodeString(&VolumeName, SystemBuffer, FSP_FSCTL_VOLUME_NAME_SIZEMAX);
RtlCopyUnicodeString(&VolumeName, &FsvolDeviceExtension->VolumeName);
VolumeName.Buffer[VolumeName.Length] = L'\0';
Irp->IoStatus.Information = VolumeName.Length + sizeof(WCHAR);
return STATUS_SUCCESS;
} }
NTSTATUS FspVolumeMount( NTSTATUS FspVolumeMount(
@@ -197,19 +215,6 @@ NTSTATUS FspVolumeWork(
} }
#if 0 #if 0
static inline PDEVICE_OBJECT FspFsvolDeviceObjectFromFileObject(PFILE_OBJECT FileObject)
{
PDEVICE_OBJECT FsvolDeviceObject;
FSP_FSCTL_FILE_CONTEXT2 *FsContext2 = FileObject->FsContext2;
ExAcquireFastMutex(&FsContext2->FastMutex);
FsvolDeviceObject = FsContext2->FsvolDeviceObject;
ExReleaseFastMutex(&FsContext2->FastMutex);
/* no FspDeviceRetain on the volume device, because it exists until the FileObject IRP_MJ_CLEANUP */
return FsvolDeviceObject;
}
NTSTATUS FspFsctlCreateVolume( NTSTATUS FspFsctlCreateVolume(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp) PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
{ {