-/* $Id: volume.c,v 1.11 2001/07/20 08:00:21 ekohl Exp $
+/* $Id: volume.c,v 1.14 2001/11/02 22:47:36 hbirr Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
/* FUNCTIONS ****************************************************************/
static NTSTATUS
-FsdGetFsVolumeInformation(PFILE_OBJECT FileObject,
- PVFATFCB FCB,
- PDEVICE_OBJECT DeviceObject,
+FsdGetFsVolumeInformation(PDEVICE_OBJECT DeviceObject,
PFILE_FS_VOLUME_INFORMATION FsVolumeInfo,
PULONG BufferLength)
{
ULONG LabelLength;
-
+
DPRINT("FsdGetFsVolumeInformation()\n");
DPRINT("FsVolumeInfo = %p\n", FsVolumeInfo);
DPRINT("BufferLength %lu\n", *BufferLength);
- DPRINT("Required length %lu\n", (sizeof(FILE_FS_VOLUME_INFORMATION) + LabelLength));
-
+
LabelLength = DeviceObject->Vpb->VolumeLabelLength;
+
+ DPRINT("Required length %lu\n", (sizeof(FILE_FS_VOLUME_INFORMATION) + LabelLength*sizeof(WCHAR)));
DPRINT("LabelLength %lu\n", LabelLength);
-
- /* FIXME: This does not work correctly! Why?? */
-// if (*BufferLength < (sizeof(FILE_FS_VOLUME_INFORMATION) + LabelLength));
-// return(STATUS_BUFFER_OVERFLOW);
+ DPRINT("Label %S\n", DeviceObject->Vpb->VolumeLabel);
+
+ if (*BufferLength < sizeof(FILE_FS_VOLUME_INFORMATION))
+ return STATUS_INFO_LENGTH_MISMATCH;
+
+ if (*BufferLength < (sizeof(FILE_FS_VOLUME_INFORMATION) + LabelLength*sizeof(WCHAR)))
+ return STATUS_BUFFER_OVERFLOW;
/* valid entries */
FsVolumeInfo->VolumeSerialNumber = DeviceObject->Vpb->SerialNumber;
- FsVolumeInfo->VolumeLabelLength = LabelLength;
+ FsVolumeInfo->VolumeLabelLength = LabelLength * sizeof (WCHAR);
wcscpy(FsVolumeInfo->VolumeLabel, DeviceObject->Vpb->VolumeLabel);
-
+
/* dummy entries */
FsVolumeInfo->VolumeCreationTime.QuadPart = 0;
FsVolumeInfo->SupportsObjects = FALSE;
-
+
DPRINT("Finished FsdGetFsVolumeInformation()\n");
-
- *BufferLength -= (sizeof(FILE_FS_VOLUME_INFORMATION) + LabelLength);
-
+
+ *BufferLength -= (sizeof(FILE_FS_VOLUME_INFORMATION) + LabelLength * sizeof(WCHAR));
+
DPRINT("BufferLength %lu\n", *BufferLength);
-
+
return(STATUS_SUCCESS);
}
DPRINT("FsAttributeInfo = %p\n", FsAttributeInfo);
DPRINT("BufferLength %lu\n", *BufferLength);
DPRINT("Required length %lu\n", (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + 6));
-
- /* FIXME: This does not work correctly! Why?? */
-// if (*BufferLength < (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + 6));
-// return(STATUS_BUFFER_OVERFLOW);
-
+
+ if (*BufferLength < sizeof (FILE_FS_ATTRIBUTE_INFORMATION))
+ return STATUS_INFO_LENGTH_MISMATCH;
+
+ if (*BufferLength < (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + 6))
+ return STATUS_BUFFER_OVERFLOW;
+
FsAttributeInfo->FileSystemAttributes =
FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK;
FsAttributeInfo->MaximumComponentNameLength = 255;
FsAttributeInfo->FileSystemNameLength = 6;
wcscpy(FsAttributeInfo->FileSystemName, L"FAT");
-
+
DPRINT("Finished FsdGetFsAttributeInformation()\n");
-
+
*BufferLength -= (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + 6);
DPRINT("BufferLength %lu\n", *BufferLength);
-
+
return(STATUS_SUCCESS);
}
{
PDEVICE_EXTENSION DeviceExt;
NTSTATUS Status;
-
+
DPRINT("FsdGetFsSizeInformation()\n");
DPRINT("FsSizeInfo = %p\n", FsSizeInfo);
-
- /* FIXME: This does not work correctly! Why?? */
-// if (*BufferLength < sizeof(FILE_FS_SIZE_INFORMATION));
-// return(STATUS_BUFFER_OVERFLOW);
-
+
+ if (*BufferLength < sizeof(FILE_FS_SIZE_INFORMATION))
+ return(STATUS_BUFFER_OVERFLOW);
+
DeviceExt = DeviceObject->DeviceExtension;
-
+
if (DeviceExt->FatType == FAT32)
{
struct _BootSector32 *BootSect =
FsSizeInfo->SectorsPerAllocationUnit = BootSect->SectorsPerCluster;
FsSizeInfo->BytesPerSector = BootSect->BytesPerSector;
}
-
+
DPRINT("Finished FsdGetFsSizeInformation()\n");
if (NT_SUCCESS(Status))
*BufferLength -= sizeof(FILE_FS_SIZE_INFORMATION);
-
+
return(Status);
}
DPRINT("FsDeviceInfo = %p\n", FsDeviceInfo);
DPRINT("BufferLength %lu\n", *BufferLength);
DPRINT("Required length %lu\n", sizeof(FILE_FS_DEVICE_INFORMATION));
-
- /* FIXME: This does not work correctly! Why?? */
-// if (*BufferLength < sizeof(FILE_FS_DEVICE_INFORMATION));
-// return(STATUS_BUFFER_OVERFLOW);
-
+
+ if (*BufferLength < sizeof(FILE_FS_DEVICE_INFORMATION))
+ return(STATUS_BUFFER_OVERFLOW);
+
FsDeviceInfo->DeviceType = FILE_DEVICE_DISK;
FsDeviceInfo->Characteristics = 0; /* FIXME: fix this !! */
-
+
DPRINT("FsdGetFsDeviceInformation() finished.\n");
-
+
*BufferLength -= sizeof(FILE_FS_DEVICE_INFORMATION);
DPRINT("BufferLength %lu\n", *BufferLength);
-
+
return(STATUS_SUCCESS);
}
PFILE_FS_LABEL_INFORMATION FsLabelInfo)
{
DPRINT("FsdSetFsLabelInformation()\n");
-
+
return(STATUS_NOT_IMPLEMENTED);
}
-NTSTATUS STDCALL
-VfatQueryVolumeInformation(PDEVICE_OBJECT DeviceObject,
- PIRP Irp)
+NTSTATUS VfatQueryVolumeInformation(PVFAT_IRP_CONTEXT IrpContext)
/*
* FUNCTION: Retrieve the specified volume information
*/
{
- PIO_STACK_LOCATION Stack;
FS_INFORMATION_CLASS FsInformationClass;
- PFILE_OBJECT FileObject = NULL;
- PVFATFCB FCB = NULL;
NTSTATUS RC = STATUS_SUCCESS;
PVOID SystemBuffer;
ULONG BufferLength;
/* PRECONDITION */
- assert(DeviceObject != NULL);
- assert(Irp != NULL);
+ assert(IrpContext);
- DPRINT("FsdQueryVolumeInformation(DeviceObject %x, Irp %x)\n",
- DeviceObject, Irp);
+ DPRINT("VfatQueryVolumeInformation(IrpContext %x)\n", IrpContext);
+
+ if (!ExAcquireResourceSharedLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource, IrpContext->Flags & IRPCONTEXT_CANWAIT))
+ {
+ return VfatQueueRequest (IrpContext);
+ }
/* INITIALIZATION */
- Stack = IoGetCurrentIrpStackLocation (Irp);
- FsInformationClass = Stack->Parameters.QueryVolume.FsInformationClass;
- BufferLength = Stack->Parameters.QueryVolume.Length;
- SystemBuffer = Irp->AssociatedIrp.SystemBuffer;
- FileObject = Stack->FileObject;
-// CCB = (PVfatCCB)(FileObject->FsContext2);
-// FCB = CCB->Buffer; // Should be CCB->FCB???
- FCB = ((PVFATCCB) (FileObject->FsContext2))->pFcb;
+ FsInformationClass = IrpContext->Stack->Parameters.QueryVolume.FsInformationClass;
+ BufferLength = IrpContext->Stack->Parameters.QueryVolume.Length;
+ SystemBuffer = IrpContext->Irp->AssociatedIrp.SystemBuffer;
+
DPRINT ("FsInformationClass %d\n", FsInformationClass);
DPRINT ("SystemBuffer %x\n", SystemBuffer);
switch (FsInformationClass)
{
case FileFsVolumeInformation:
- RC = FsdGetFsVolumeInformation(FileObject,
- FCB,
- DeviceObject,
+ RC = FsdGetFsVolumeInformation(IrpContext->DeviceObject,
SystemBuffer,
&BufferLength);
break;
break;
case FileFsSizeInformation:
- RC = FsdGetFsSizeInformation(DeviceObject,
+ RC = FsdGetFsSizeInformation(IrpContext->DeviceObject,
SystemBuffer,
&BufferLength);
break;
RC = STATUS_NOT_SUPPORTED;
}
- Irp->IoStatus.Status = RC;
+ ExReleaseResourceLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource);
+ IrpContext->Irp->IoStatus.Status = RC;
if (NT_SUCCESS(RC))
- Irp->IoStatus.Information =
- Stack->Parameters.QueryVolume.Length - BufferLength;
+ IrpContext->Irp->IoStatus.Information =
+ IrpContext->Stack->Parameters.QueryVolume.Length - BufferLength;
else
- Irp->IoStatus.Information = 0;
- IoCompleteRequest(Irp,
- IO_NO_INCREMENT);
+ IrpContext->Irp->IoStatus.Information = 0;
+ IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
+ VfatFreeIrpContext(IrpContext);
return RC;
}
-NTSTATUS STDCALL
-VfatSetVolumeInformation(PDEVICE_OBJECT DeviceObject,
- PIRP Irp)
+NTSTATUS VfatSetVolumeInformation(PVFAT_IRP_CONTEXT IrpContext)
/*
* FUNCTION: Set the specified volume information
*/
{
- PIO_STACK_LOCATION Stack;
FS_INFORMATION_CLASS FsInformationClass;
-// PFILE_OBJECT FileObject = NULL;
-// PVFATFCB FCB = NULL;
NTSTATUS Status = STATUS_SUCCESS;
PVOID SystemBuffer;
ULONG BufferLength;
/* PRECONDITION */
- assert(DeviceObject != NULL);
- assert(Irp != NULL);
+ assert(IrpContext);
+
+ DPRINT1("VfatSetVolumeInformation(IrpContext %x)\n", IrpContext);
- DPRINT("FsdSetVolumeInformation(DeviceObject %x, Irp %x)\n",
- DeviceObject,
- Irp);
+ if (!ExAcquireResourceExclusiveLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource, IrpContext->Flags & IRPCONTEXT_CANWAIT))
+ {
+ return VfatQueueRequest (IrpContext);
+ }
- Stack = IoGetCurrentIrpStackLocation(Irp);
- FsInformationClass = Stack->Parameters.SetVolume.FsInformationClass;
- BufferLength = Stack->Parameters.SetVolume.Length;
- SystemBuffer = Irp->AssociatedIrp.SystemBuffer;
-// FileObject = Stack->FileObject;
-// FCB = ((PVFATCCB) (FileObject->FsContext2))->pFcb;
+ FsInformationClass = IrpContext->Stack->Parameters.SetVolume.FsInformationClass;
+ BufferLength = IrpContext->Stack->Parameters.SetVolume.Length;
+ SystemBuffer = IrpContext->Irp->AssociatedIrp.SystemBuffer;
- DPRINT("FsInformationClass %d\n", FsInformationClass);
- DPRINT("BufferLength %d\n", BufferLength);
- DPRINT("SystemBuffer %x\n", SystemBuffer);
+ DPRINT1("FsInformationClass %d\n", FsInformationClass);
+ DPRINT1("BufferLength %d\n", BufferLength);
+ DPRINT1("SystemBuffer %x\n", SystemBuffer);
switch(FsInformationClass)
{
case FileFsLabelInformation:
- Status = FsdSetFsLabelInformation(DeviceObject,
+ Status = FsdSetFsLabelInformation(IrpContext->DeviceObject,
SystemBuffer);
break;
Status = STATUS_NOT_SUPPORTED;
}
- Irp->IoStatus.Status = Status;
- Irp->IoStatus.Information = 0;
- IoCompleteRequest(Irp,
- IO_NO_INCREMENT);
+ ExReleaseResourceLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource);
+ IrpContext->Irp->IoStatus.Status = Status;
+ IrpContext->Irp->IoStatus.Information = 0;
+ IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
+ VfatFreeIrpContext(IrpContext);
return(Status);
}
projects / reactos.git / blobdiff