[FORMATTING]

Fix indentation and coding style. No code changes!

svn path=/trunk/; revision=61143

reactos/drivers/filesystems/fastfat/volume.c

@@ -14,424 +14,445 @@
 
 /* FUNCTIONS ****************************************************************/
 
-static NTSTATUS
+static
-FsdGetFsVolumeInformation(PDEVICE_OBJECT DeviceObject,
+NTSTATUS
-			  PFILE_FS_VOLUME_INFORMATION FsVolumeInfo,
+FsdGetFsVolumeInformation(
-			  PULONG BufferLength)
+    PDEVICE_OBJECT DeviceObject,
+    PFILE_FS_VOLUME_INFORMATION FsVolumeInfo,
+    PULONG BufferLength)
 {
-  DPRINT("FsdGetFsVolumeInformation()\n");
+    PDEVICE_EXTENSION DeviceExt;
-  DPRINT("FsVolumeInfo = %p\n", FsVolumeInfo);
-  DPRINT("BufferLength %lu\n", *BufferLength);
 
-  DPRINT("Required length %lu\n", (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength));
+    DPRINT("FsdGetFsVolumeInformation()\n");
-  DPRINT("LabelLength %hu\n", DeviceObject->Vpb->VolumeLabelLength);
+    DPRINT("FsVolumeInfo = %p\n", FsVolumeInfo);
-  DPRINT("Label %*.S\n", DeviceObject->Vpb->VolumeLabelLength / sizeof(WCHAR), DeviceObject->Vpb->VolumeLabel);
+    DPRINT("BufferLength %lu\n", *BufferLength);
 
-  if (*BufferLength < sizeof(FILE_FS_VOLUME_INFORMATION))
+    DPRINT("Required length %lu\n", (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength));
-    return STATUS_INFO_LENGTH_MISMATCH;
+    DPRINT("LabelLength %hu\n", DeviceObject->Vpb->VolumeLabelLength);
+    DPRINT("Label %*.S\n", DeviceObject->Vpb->VolumeLabelLength / sizeof(WCHAR), DeviceObject->Vpb->VolumeLabel);
 
-  if (*BufferLength < (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength))
+    if (*BufferLength < sizeof(FILE_FS_VOLUME_INFORMATION))
-    return STATUS_BUFFER_OVERFLOW;
+        return STATUS_INFO_LENGTH_MISMATCH;
 
-  /* valid entries */
+    if (*BufferLength < (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength))
-  FsVolumeInfo->VolumeSerialNumber = DeviceObject->Vpb->SerialNumber;
+        return STATUS_BUFFER_OVERFLOW;
-  FsVolumeInfo->VolumeLabelLength = DeviceObject->Vpb->VolumeLabelLength;
-  RtlCopyMemory(FsVolumeInfo->VolumeLabel, DeviceObject->Vpb->VolumeLabel, FsVolumeInfo->VolumeLabelLength);
 
-  /* dummy entries */
+    DeviceExt = DeviceObject->DeviceExtension;
-  FsVolumeInfo->VolumeCreationTime.QuadPart = 0;
-  FsVolumeInfo->SupportsObjects = FALSE;
 
-  DPRINT("Finished FsdGetFsVolumeInformation()\n");
+    /* valid entries */
+    FsVolumeInfo->VolumeSerialNumber = DeviceObject->Vpb->SerialNumber;
+    FsVolumeInfo->VolumeLabelLength = DeviceObject->Vpb->VolumeLabelLength;
+    RtlCopyMemory(FsVolumeInfo->VolumeLabel, DeviceObject->Vpb->VolumeLabel, FsVolumeInfo->VolumeLabelLength);
 
-  *BufferLength -= (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength);
+    /* dummy entries */
+    FsVolumeInfo->VolumeCreationTime.QuadPart = 0;
+    FsVolumeInfo->SupportsObjects = FALSE;
 
-  DPRINT("BufferLength %lu\n", *BufferLength);
+    DPRINT("Finished FsdGetFsVolumeInformation()\n");
 
-  return(STATUS_SUCCESS);
+    *BufferLength -= (sizeof(FILE_FS_VOLUME_INFORMATION) + DeviceObject->Vpb->VolumeLabelLength);
+
+    DPRINT("BufferLength %lu\n", *BufferLength);
+
+    return STATUS_SUCCESS;
 }
 
 
-static NTSTATUS
+static
-FsdGetFsAttributeInformation(PDEVICE_EXTENSION DeviceExt,
+NTSTATUS
-			     PFILE_FS_ATTRIBUTE_INFORMATION FsAttributeInfo,
+FsdGetFsAttributeInformation(
-			     PULONG BufferLength)
+    PDEVICE_EXTENSION DeviceExt,
+    PFILE_FS_ATTRIBUTE_INFORMATION FsAttributeInfo,
+    PULONG BufferLength)
 {
-  PCWSTR pName; ULONG Length;
+    PCWSTR pName; ULONG Length;
-  DPRINT("FsdGetFsAttributeInformation()\n");
+    DPRINT("FsdGetFsAttributeInformation()\n");
-  DPRINT("FsAttributeInfo = %p\n", FsAttributeInfo);
+    DPRINT("FsAttributeInfo = %p\n", FsAttributeInfo);
-  DPRINT("BufferLength %lu\n", *BufferLength);
+    DPRINT("BufferLength %lu\n", *BufferLength);
 
-  if (*BufferLength < sizeof (FILE_FS_ATTRIBUTE_INFORMATION))
+    if (*BufferLength < sizeof (FILE_FS_ATTRIBUTE_INFORMATION))
-    return STATUS_INFO_LENGTH_MISMATCH;
+        return STATUS_INFO_LENGTH_MISMATCH;
 
-  if (DeviceExt->FatInfo.FatType == FAT32)
+    if (DeviceExt->FatInfo.FatType == FAT32)
-  {
-    Length = 10;
-    pName = L"FAT32";
-  }
-  else
-  {
-    Length = 6;
-    pName = L"FAT";
-  }
-
-  DPRINT("Required length %lu\n", (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length));
-
-  if (*BufferLength < (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length))
-    return STATUS_BUFFER_OVERFLOW;
-
-  FsAttributeInfo->FileSystemAttributes =
-    FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK;
-
-  FsAttributeInfo->MaximumComponentNameLength = 255;
-
-  FsAttributeInfo->FileSystemNameLength = Length;
-
-  RtlCopyMemory(FsAttributeInfo->FileSystemName, pName, Length );
-
-  DPRINT("Finished FsdGetFsAttributeInformation()\n");
-
-  *BufferLength -= (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length);
-  DPRINT("BufferLength %lu\n", *BufferLength);
-
-  return(STATUS_SUCCESS);
-}
-
-
-static NTSTATUS
-FsdGetFsSizeInformation(PDEVICE_OBJECT DeviceObject,
-			PFILE_FS_SIZE_INFORMATION FsSizeInfo,
-			PULONG BufferLength)
-{
-  PDEVICE_EXTENSION DeviceExt;
-  NTSTATUS Status;
-
-  DPRINT("FsdGetFsSizeInformation()\n");
-  DPRINT("FsSizeInfo = %p\n", FsSizeInfo);
-
-  if (*BufferLength < sizeof(FILE_FS_SIZE_INFORMATION))
-    return(STATUS_BUFFER_OVERFLOW);
-
-  DeviceExt = DeviceObject->DeviceExtension;
-  Status = CountAvailableClusters(DeviceExt, &FsSizeInfo->AvailableAllocationUnits);
-
-  FsSizeInfo->TotalAllocationUnits.QuadPart = DeviceExt->FatInfo.NumberOfClusters;
-  FsSizeInfo->SectorsPerAllocationUnit = DeviceExt->FatInfo.SectorsPerCluster;
-  FsSizeInfo->BytesPerSector = DeviceExt->FatInfo.BytesPerSector;
-
-  DPRINT("Finished FsdGetFsSizeInformation()\n");
-  if (NT_SUCCESS(Status))
-    *BufferLength -= sizeof(FILE_FS_SIZE_INFORMATION);
-
-  return(Status);
-}
-
-
-static NTSTATUS
-FsdGetFsDeviceInformation
-(
-  PDEVICE_OBJECT DeviceObject,
-  PFILE_FS_DEVICE_INFORMATION FsDeviceInfo,
-  PULONG BufferLength
-)
-{
-  DPRINT("FsdGetFsDeviceInformation()\n");
-  DPRINT("FsDeviceInfo = %p\n", FsDeviceInfo);
-  DPRINT("BufferLength %lu\n", *BufferLength);
-  DPRINT("Required length %lu\n", sizeof(FILE_FS_DEVICE_INFORMATION));
-
-  if (*BufferLength < sizeof(FILE_FS_DEVICE_INFORMATION))
-    return(STATUS_BUFFER_OVERFLOW);
-
-  FsDeviceInfo->DeviceType = FILE_DEVICE_DISK;
-  FsDeviceInfo->Characteristics = DeviceObject->Characteristics;
-
-  DPRINT("FsdGetFsDeviceInformation() finished.\n");
-
-  *BufferLength -= sizeof(FILE_FS_DEVICE_INFORMATION);
-  DPRINT("BufferLength %lu\n", *BufferLength);
-
-  return(STATUS_SUCCESS);
-}
-
-
-static NTSTATUS
-FsdSetFsLabelInformation(PDEVICE_OBJECT DeviceObject,
-			 PFILE_FS_LABEL_INFORMATION FsLabelInfo)
-{
-  PDEVICE_EXTENSION DeviceExt;
-  PVOID Context = NULL;
-  ULONG DirIndex = 0;
-  PDIR_ENTRY Entry;
-  PVFATFCB pRootFcb;
-  LARGE_INTEGER FileOffset;
-  BOOLEAN LabelFound = FALSE;
-  DIR_ENTRY VolumeLabelDirEntry;
-  ULONG VolumeLabelDirIndex;
-  ULONG LabelLen;
-  NTSTATUS Status = STATUS_UNSUCCESSFUL;
-  OEM_STRING StringO;
-  UNICODE_STRING StringW;
-  CHAR cString[43];
-  ULONG SizeDirEntry;
-  ULONG EntriesPerPage;
-
-  DPRINT("FsdSetFsLabelInformation()\n");
-
-  DeviceExt = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
-
-  if (sizeof(DeviceObject->Vpb->VolumeLabel) < FsLabelInfo->VolumeLabelLength)
-  {
-    return STATUS_NAME_TOO_LONG;
-  }
-
-  if (DeviceExt->Flags & VCB_IS_FATX)
-  {
-    if (FsLabelInfo->VolumeLabelLength / sizeof(WCHAR) > 42)
-      return STATUS_NAME_TOO_LONG;
-    SizeDirEntry = sizeof(FATX_DIR_ENTRY);
-    EntriesPerPage = FATX_ENTRIES_PER_PAGE;
-  }
-  else
-  {
-    if (FsLabelInfo->VolumeLabelLength / sizeof(WCHAR) > 11)
-      return STATUS_NAME_TOO_LONG;
-    SizeDirEntry = sizeof(FAT_DIR_ENTRY);
-    EntriesPerPage = FAT_ENTRIES_PER_PAGE;
-  }
-
-  /* Create Volume label dir entry */
-  LabelLen = FsLabelInfo->VolumeLabelLength / sizeof(WCHAR);
-  RtlZeroMemory(&VolumeLabelDirEntry, SizeDirEntry);
-  StringW.Buffer = FsLabelInfo->VolumeLabel;
-  StringW.Length = StringW.MaximumLength = (USHORT)FsLabelInfo->VolumeLabelLength;
-  StringO.Buffer = cString;
-  StringO.Length = 0;
-  StringO.MaximumLength = 42;
-  Status = RtlUnicodeStringToOemString(&StringO, &StringW, FALSE);
-  if (!NT_SUCCESS(Status))
-    return Status;
-  if (DeviceExt->Flags & VCB_IS_FATX)
-  {
-    RtlCopyMemory(VolumeLabelDirEntry.FatX.Filename, cString, LabelLen);
-    memset(&VolumeLabelDirEntry.FatX.Filename[LabelLen], ' ', 42 - LabelLen);
-    VolumeLabelDirEntry.FatX.Attrib = _A_VOLID;
-  }
-  else
-  {
-    RtlCopyMemory(VolumeLabelDirEntry.Fat.Filename, cString, max(sizeof(VolumeLabelDirEntry.Fat.Filename), LabelLen));
-    if (LabelLen > sizeof(VolumeLabelDirEntry.Fat.Filename))
     {
-      memset(VolumeLabelDirEntry.Fat.Ext, ' ', sizeof(VolumeLabelDirEntry.Fat.Ext));
+        Length = 10;
-      RtlCopyMemory(VolumeLabelDirEntry.Fat.Ext, cString + sizeof(VolumeLabelDirEntry.Fat.Filename), LabelLen - sizeof(VolumeLabelDirEntry.Fat.Filename));
+        pName = L"FAT32";
     }
     else
     {
-      memset(&VolumeLabelDirEntry.Fat.Filename[LabelLen], ' ', sizeof(VolumeLabelDirEntry.Fat.Filename) - LabelLen);
+        Length = 6;
+        pName = L"FAT";
     }
-    VolumeLabelDirEntry.Fat.Attrib = _A_VOLID;
-  }
 
-  pRootFcb = vfatOpenRootFCB(DeviceExt);
+    DPRINT("Required length %lu\n", (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length));
 
-  /* Search existing volume entry on disk */
+    if (*BufferLength < (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length))
-  FileOffset.QuadPart = 0;
+        return STATUS_BUFFER_OVERFLOW;
-  if (CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry, TRUE, &Context, (PVOID*)&Entry))
+
-  {
+    FsAttributeInfo->FileSystemAttributes =
-    while (TRUE)
+        FILE_CASE_PRESERVED_NAMES | FILE_UNICODE_ON_DISK;
+
+    FsAttributeInfo->MaximumComponentNameLength = 255;
+
+    FsAttributeInfo->FileSystemNameLength = Length;
+
+    RtlCopyMemory(FsAttributeInfo->FileSystemName, pName, Length);
+
+    DPRINT("Finished FsdGetFsAttributeInformation()\n");
+
+    *BufferLength -= (sizeof(FILE_FS_ATTRIBUTE_INFORMATION) + Length);
+    DPRINT("BufferLength %lu\n", *BufferLength);
+
+    return STATUS_SUCCESS;
+}
+
+
+static
+NTSTATUS
+FsdGetFsSizeInformation(
+    PDEVICE_OBJECT DeviceObject,
+    PFILE_FS_SIZE_INFORMATION FsSizeInfo,
+    PULONG BufferLength)
+{
+    PDEVICE_EXTENSION DeviceExt;
+    NTSTATUS Status;
+
+    DPRINT("FsdGetFsSizeInformation()\n");
+    DPRINT("FsSizeInfo = %p\n", FsSizeInfo);
+
+    if (*BufferLength < sizeof(FILE_FS_SIZE_INFORMATION))
+        return STATUS_BUFFER_OVERFLOW;
+
+    DeviceExt = DeviceObject->DeviceExtension;
+    Status = CountAvailableClusters(DeviceExt, &FsSizeInfo->AvailableAllocationUnits);
+
+    FsSizeInfo->TotalAllocationUnits.QuadPart = DeviceExt->FatInfo.NumberOfClusters;
+    FsSizeInfo->SectorsPerAllocationUnit = DeviceExt->FatInfo.SectorsPerCluster;
+    FsSizeInfo->BytesPerSector = DeviceExt->FatInfo.BytesPerSector;
+
+    DPRINT("Finished FsdGetFsSizeInformation()\n");
+    if (NT_SUCCESS(Status))
+        *BufferLength -= sizeof(FILE_FS_SIZE_INFORMATION);
+
+    return Status;
+}
+
+
+static
+NTSTATUS
+FsdGetFsDeviceInformation(
+    PDEVICE_OBJECT DeviceObject,
+    PFILE_FS_DEVICE_INFORMATION FsDeviceInfo,
+    PULONG BufferLength)
+{
+    DPRINT("FsdGetFsDeviceInformation()\n");
+    DPRINT("FsDeviceInfo = %p\n", FsDeviceInfo);
+    DPRINT("BufferLength %lu\n", *BufferLength);
+    DPRINT("Required length %lu\n", sizeof(FILE_FS_DEVICE_INFORMATION));
+
+    if (*BufferLength < sizeof(FILE_FS_DEVICE_INFORMATION))
+        return STATUS_BUFFER_OVERFLOW;
+
+    FsDeviceInfo->DeviceType = FILE_DEVICE_DISK;
+    FsDeviceInfo->Characteristics = DeviceObject->Characteristics;
+
+    DPRINT("FsdGetFsDeviceInformation() finished.\n");
+
+    *BufferLength -= sizeof(FILE_FS_DEVICE_INFORMATION);
+    DPRINT("BufferLength %lu\n", *BufferLength);
+
+    return STATUS_SUCCESS;
+}
+
+
+static
+NTSTATUS
+FsdSetFsLabelInformation(
+    PDEVICE_OBJECT DeviceObject,
+    PFILE_FS_LABEL_INFORMATION FsLabelInfo)
+{
+    PDEVICE_EXTENSION DeviceExt;
+    PVOID Context = NULL;
+    ULONG DirIndex = 0;
+    PDIR_ENTRY Entry;
+    PVFATFCB pRootFcb;
+    LARGE_INTEGER FileOffset;
+    BOOLEAN LabelFound = FALSE;
+    DIR_ENTRY VolumeLabelDirEntry;
+    ULONG VolumeLabelDirIndex;
+    ULONG LabelLen;
+    NTSTATUS Status = STATUS_UNSUCCESSFUL;
+    OEM_STRING StringO;
+    UNICODE_STRING StringW;
+    CHAR cString[43];
+    ULONG SizeDirEntry;
+    ULONG EntriesPerPage;
+
+    DPRINT("FsdSetFsLabelInformation()\n");
+
+    DeviceExt = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
+
+    if (sizeof(DeviceObject->Vpb->VolumeLabel) < FsLabelInfo->VolumeLabelLength)
     {
-      if (ENTRY_VOLUME(DeviceExt, Entry))
+        return STATUS_NAME_TOO_LONG;
-      {
+    }
-        /* Update entry */
+
-        LabelFound = TRUE;
+    if (DeviceExt->Flags & VCB_IS_FATX)
-        RtlCopyMemory(Entry, &VolumeLabelDirEntry, SizeDirEntry);
+    {
-        CcSetDirtyPinnedData(Context, NULL);
+        if (FsLabelInfo->VolumeLabelLength / sizeof(WCHAR) > 42)
-        Status = STATUS_SUCCESS;
+            return STATUS_NAME_TOO_LONG;
-        break;
+
-      }
+        SizeDirEntry = sizeof(FATX_DIR_ENTRY);
-      if (ENTRY_END(DeviceExt, Entry))
+        EntriesPerPage = FATX_ENTRIES_PER_PAGE;
-      {
+    }
-        break;
+    else
-      }
+    {
-      DirIndex++;
+        if (FsLabelInfo->VolumeLabelLength / sizeof(WCHAR) > 11)
-      Entry = (PDIR_ENTRY)((ULONG_PTR)Entry + SizeDirEntry);
+            return STATUS_NAME_TOO_LONG;
-      if ((DirIndex % EntriesPerPage) == 0)
+
-      {
+        SizeDirEntry = sizeof(FAT_DIR_ENTRY);
-        CcUnpinData(Context);
+        EntriesPerPage = FAT_ENTRIES_PER_PAGE;
-        FileOffset.u.LowPart += PAGE_SIZE;
+    }
-        if (!CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry, TRUE, &Context, (PVOID*)&Entry))
+
+    /* Create Volume label dir entry */
+    LabelLen = FsLabelInfo->VolumeLabelLength / sizeof(WCHAR);
+    RtlZeroMemory(&VolumeLabelDirEntry, SizeDirEntry);
+    StringW.Buffer = FsLabelInfo->VolumeLabel;
+    StringW.Length = StringW.MaximumLength = (USHORT)FsLabelInfo->VolumeLabelLength;
+    StringO.Buffer = cString;
+    StringO.Length = 0;
+    StringO.MaximumLength = 42;
+    Status = RtlUnicodeStringToOemString(&StringO, &StringW, FALSE);
+    if (!NT_SUCCESS(Status))
+        return Status;
+
+    if (DeviceExt->Flags & VCB_IS_FATX)
+    {
+        RtlCopyMemory(VolumeLabelDirEntry.FatX.Filename, cString, LabelLen);
+        memset(&VolumeLabelDirEntry.FatX.Filename[LabelLen], ' ', 42 - LabelLen);
+        VolumeLabelDirEntry.FatX.Attrib = _A_VOLID;
+    }
+    else
+    {
+        RtlCopyMemory(VolumeLabelDirEntry.Fat.Filename, cString, max(sizeof(VolumeLabelDirEntry.Fat.Filename), LabelLen));
+        if (LabelLen > sizeof(VolumeLabelDirEntry.Fat.Filename))
         {
-          Context = NULL;
+            memset(VolumeLabelDirEntry.Fat.Ext, ' ', sizeof(VolumeLabelDirEntry.Fat.Ext));
-          break;
+            RtlCopyMemory(VolumeLabelDirEntry.Fat.Ext, cString + sizeof(VolumeLabelDirEntry.Fat.Filename), LabelLen - sizeof(VolumeLabelDirEntry.Fat.Filename));
         }
-      }
+        else
+        {
+            memset(&VolumeLabelDirEntry.Fat.Filename[LabelLen], ' ', sizeof(VolumeLabelDirEntry.Fat.Filename) - LabelLen);
+        }
+        VolumeLabelDirEntry.Fat.Attrib = _A_VOLID;
     }
-    if (Context)
-    {
-      CcUnpinData(Context);
-    }
-  }
-  if (!LabelFound)
-  {
-    /* Add new entry for label */
-    if (!vfatFindDirSpace(DeviceExt, pRootFcb, 1, &VolumeLabelDirIndex))
-      Status = STATUS_DISK_FULL;
-    else
-    {
-      FileOffset.u.HighPart = 0;
-      FileOffset.u.LowPart = VolumeLabelDirIndex * SizeDirEntry;
-      if (!CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry,
-                 TRUE, &Context, (PVOID*)&Entry))
-      {
-          Status = STATUS_UNSUCCESSFUL;
-      }
-      else
-      {
-          RtlCopyMemory(Entry, &VolumeLabelDirEntry, SizeDirEntry);
-          CcSetDirtyPinnedData(Context, NULL);
-          CcUnpinData(Context);
-          Status = STATUS_SUCCESS;
-      }
-    }
-  }
 
-  vfatReleaseFCB(DeviceExt, pRootFcb);
+    pRootFcb = vfatOpenRootFCB(DeviceExt);
-  if (!NT_SUCCESS(Status))
+
-  {
+    /* Search existing volume entry on disk */
+    FileOffset.QuadPart = 0;
+    if (CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry, TRUE, &Context, (PVOID*)&Entry))
+    {
+        while (TRUE)
+        {
+            if (ENTRY_VOLUME(DeviceExt, Entry))
+            {
+                /* Update entry */
+                LabelFound = TRUE;
+                RtlCopyMemory(Entry, &VolumeLabelDirEntry, SizeDirEntry);
+                CcSetDirtyPinnedData(Context, NULL);
+                Status = STATUS_SUCCESS;
+                break;
+            }
+
+            if (ENTRY_END(DeviceExt, Entry))
+            {
+                break;
+            }
+
+            DirIndex++;
+            Entry = (PDIR_ENTRY)((ULONG_PTR)Entry + SizeDirEntry);
+            if ((DirIndex % EntriesPerPage) == 0)
+            {
+                CcUnpinData(Context);
+                FileOffset.u.LowPart += PAGE_SIZE;
+                if (!CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry, TRUE, &Context, (PVOID*)&Entry))
+                {
+                    Context = NULL;
+                    break;
+                }
+            }
+        }
+
+        if (Context)
+        {
+            CcUnpinData(Context);
+        }
+    }
+
+    if (!LabelFound)
+    {
+        /* Add new entry for label */
+        if (!vfatFindDirSpace(DeviceExt, pRootFcb, 1, &VolumeLabelDirIndex))
+            Status = STATUS_DISK_FULL;
+        else
+        {
+            FileOffset.u.HighPart = 0;
+            FileOffset.u.LowPart = VolumeLabelDirIndex * SizeDirEntry;
+            if (!CcPinRead(pRootFcb->FileObject, &FileOffset, SizeDirEntry,
+                           TRUE, &Context, (PVOID*)&Entry))
+            {
+                Status = STATUS_UNSUCCESSFUL;
+            }
+            else
+            {
+                RtlCopyMemory(Entry, &VolumeLabelDirEntry, SizeDirEntry);
+                CcSetDirtyPinnedData(Context, NULL);
+                CcUnpinData(Context);
+                Status = STATUS_SUCCESS;
+            }
+        }
+    }
+
+    vfatReleaseFCB(DeviceExt, pRootFcb);
+    if (!NT_SUCCESS(Status))
+    {
+        return Status;
+    }
+
+    /* Update volume label in memory */
+    DeviceObject->Vpb->VolumeLabelLength = (USHORT)FsLabelInfo->VolumeLabelLength;
+    RtlCopyMemory(DeviceObject->Vpb->VolumeLabel, FsLabelInfo->VolumeLabel, DeviceObject->Vpb->VolumeLabelLength);
+
     return Status;
-  }
-
-  /* Update volume label in memory */
-  DeviceObject->Vpb->VolumeLabelLength = (USHORT)FsLabelInfo->VolumeLabelLength;
-  RtlCopyMemory(DeviceObject->Vpb->VolumeLabel, FsLabelInfo->VolumeLabel, DeviceObject->Vpb->VolumeLabelLength);
-
-  return Status;
 }
 
 
-NTSTATUS VfatQueryVolumeInformation(PVFAT_IRP_CONTEXT IrpContext)
+NTSTATUS
+VfatQueryVolumeInformation(
+    PVFAT_IRP_CONTEXT IrpContext)
 /*
  * FUNCTION: Retrieve the specified volume information
  */
 {
-  FS_INFORMATION_CLASS FsInformationClass;
+    FS_INFORMATION_CLASS FsInformationClass;
-  NTSTATUS RC = STATUS_SUCCESS;
+    NTSTATUS RC = STATUS_SUCCESS;
-  PVOID SystemBuffer;
+    PVOID SystemBuffer;
-  ULONG BufferLength;
+    ULONG BufferLength;
 
-  /* PRECONDITION */
+    /* PRECONDITION */
-  ASSERT(IrpContext);
+    ASSERT(IrpContext);
 
-  DPRINT("VfatQueryVolumeInformation(IrpContext %p)\n", IrpContext);
+    DPRINT("VfatQueryVolumeInformation(IrpContext %p)\n", IrpContext);
 
-  if (!ExAcquireResourceSharedLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource,
+    if (!ExAcquireResourceSharedLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource,
-                                   (BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
+                                     (BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
-  {
-     return VfatQueueRequest (IrpContext);
-  }
-
-  /* INITIALIZATION */
-  FsInformationClass = IrpContext->Stack->Parameters.QueryVolume.FsInformationClass;
-  BufferLength = IrpContext->Stack->Parameters.QueryVolume.Length;
-  SystemBuffer = IrpContext->Irp->AssociatedIrp.SystemBuffer;
-
-
-  DPRINT ("FsInformationClass %d\n", FsInformationClass);
-  DPRINT ("SystemBuffer %p\n", SystemBuffer);
-
-  switch (FsInformationClass)
     {
-    case FileFsVolumeInformation:
+        return VfatQueueRequest(IrpContext);
-      RC = FsdGetFsVolumeInformation(IrpContext->DeviceObject,
-				     SystemBuffer,
-				     &BufferLength);
-      break;
-
-    case FileFsAttributeInformation:
-      RC = FsdGetFsAttributeInformation(IrpContext->DeviceObject->DeviceExtension,
-					SystemBuffer,
-					&BufferLength);
-      break;
-
-    case FileFsSizeInformation:
-      RC = FsdGetFsSizeInformation(IrpContext->DeviceObject,
-				   SystemBuffer,
-				   &BufferLength);
-      break;
-
-    case FileFsDeviceInformation:
-      RC = FsdGetFsDeviceInformation(IrpContext->DeviceObject,
-				     SystemBuffer,
-				     &BufferLength);
-      break;
-
-    default:
-      RC = STATUS_NOT_SUPPORTED;
     }
 
-  ExReleaseResourceLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource);
+    /* INITIALIZATION */
-  IrpContext->Irp->IoStatus.Status = RC;
+    FsInformationClass = IrpContext->Stack->Parameters.QueryVolume.FsInformationClass;
-  if (NT_SUCCESS(RC))
+    BufferLength = IrpContext->Stack->Parameters.QueryVolume.Length;
-    IrpContext->Irp->IoStatus.Information =
+    SystemBuffer = IrpContext->Irp->AssociatedIrp.SystemBuffer;
-      IrpContext->Stack->Parameters.QueryVolume.Length - BufferLength;
-  else
-    IrpContext->Irp->IoStatus.Information = 0;
-  IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
-  VfatFreeIrpContext(IrpContext);
 
-  return RC;
+    DPRINT("FsInformationClass %d\n", FsInformationClass);
+    DPRINT("SystemBuffer %p\n", SystemBuffer);
+
+    switch (FsInformationClass)
+    {
+        case FileFsVolumeInformation:
+            RC = FsdGetFsVolumeInformation(IrpContext->DeviceObject,
+                                           SystemBuffer,
+                                           &BufferLength);
+            break;
+
+        case FileFsAttributeInformation:
+            RC = FsdGetFsAttributeInformation(IrpContext->DeviceObject->DeviceExtension,
+                                              SystemBuffer,
+                                              &BufferLength);
+            break;
+
+        case FileFsSizeInformation:
+            RC = FsdGetFsSizeInformation(IrpContext->DeviceObject,
+                                         SystemBuffer,
+                                         &BufferLength);
+            break;
+
+        case FileFsDeviceInformation:
+            RC = FsdGetFsDeviceInformation(IrpContext->DeviceObject,
+                                           SystemBuffer,
+                                           &BufferLength);
+            break;
+
+        default:
+            RC = STATUS_NOT_SUPPORTED;
+    }
+
+    ExReleaseResourceLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource);
+    IrpContext->Irp->IoStatus.Status = RC;
+    if (NT_SUCCESS(RC))
+        IrpContext->Irp->IoStatus.Information =
+            IrpContext->Stack->Parameters.QueryVolume.Length - BufferLength;
+    else
+        IrpContext->Irp->IoStatus.Information = 0;
+    IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
+    VfatFreeIrpContext(IrpContext);
+
+    return RC;
 }
 
 
-NTSTATUS VfatSetVolumeInformation(PVFAT_IRP_CONTEXT IrpContext)
+NTSTATUS
+VfatSetVolumeInformation(
+    PVFAT_IRP_CONTEXT IrpContext)
 /*
  * FUNCTION: Set the specified volume information
  */
 {
-  FS_INFORMATION_CLASS FsInformationClass;
+    FS_INFORMATION_CLASS FsInformationClass;
-  NTSTATUS Status = STATUS_SUCCESS;
+    NTSTATUS Status = STATUS_SUCCESS;
-  PVOID SystemBuffer;
+    PVOID SystemBuffer;
-  ULONG BufferLength;
+    ULONG BufferLength;
-  PIO_STACK_LOCATION Stack = IrpContext->Stack;
+    PIO_STACK_LOCATION Stack = IrpContext->Stack;
 
-  /* PRECONDITION */
+    /* PRECONDITION */
-  ASSERT(IrpContext);
+    ASSERT(IrpContext);
 
-  DPRINT ("VfatSetVolumeInformation(IrpContext %p)\n", IrpContext);
+    DPRINT("VfatSetVolumeInformation(IrpContext %p)\n", IrpContext);
 
-  if (!ExAcquireResourceExclusiveLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource,
+    if (!ExAcquireResourceExclusiveLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource,
-                                      (BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
+                                        (BOOLEAN)(IrpContext->Flags & IRPCONTEXT_CANWAIT)))
-  {
-     return VfatQueueRequest (IrpContext);
-  }
-
-  FsInformationClass = Stack->Parameters.SetVolume.FsInformationClass;
-  BufferLength = Stack->Parameters.SetVolume.Length;
-  SystemBuffer = IrpContext->Irp->AssociatedIrp.SystemBuffer;
-
-  DPRINT ("FsInformationClass %d\n", FsInformationClass);
-  DPRINT ("BufferLength %u\n", BufferLength);
-  DPRINT ("SystemBuffer %p\n", SystemBuffer);
-
-  switch(FsInformationClass)
     {
-    case FileFsLabelInformation:
+        return VfatQueueRequest(IrpContext);
-      Status = FsdSetFsLabelInformation(IrpContext->DeviceObject,
-					SystemBuffer);
-      break;
-
-    default:
-      Status = STATUS_NOT_SUPPORTED;
     }
 
-  ExReleaseResourceLite(&((PDEVICE_EXTENSION)IrpContext->DeviceObject->DeviceExtension)->DirResource);
+    FsInformationClass = Stack->Parameters.SetVolume.FsInformationClass;
-  IrpContext->Irp->IoStatus.Status = Status;
+    BufferLength = Stack->Parameters.SetVolume.Length;
-  IrpContext->Irp->IoStatus.Information = 0;
+    SystemBuffer = IrpContext->Irp->AssociatedIrp.SystemBuffer;
-  IoCompleteRequest(IrpContext->Irp, IO_NO_INCREMENT);
-  VfatFreeIrpContext(IrpContext);
 
-  return(Status);
+    DPRINT("FsInformationClass %d\n", FsInformationClass);
+    DPRINT("BufferLength %u\n", BufferLength);
+    DPRINT("SystemBuffer %p\n", SystemBuffer);
+
+    switch (FsInformationClass)
+    {
+        case FileFsLabelInformation:
+            Status = FsdSetFsLabelInformation(IrpContext->DeviceObject,
+                                              SystemBuffer);
+            break;
+
+        default:
+            Status = STATUS_NOT_SUPPORTED;
+    }
+
+    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;
 }
 
 /* EOF */