[FASTFAT]

In the FCB, get rid of the FCB_IS_FATX_ENTRY flag. It makes no sense to have it on each and every file as the VCB already has such flag

svn path=/trunk/; revision=73821
This commit is contained in:
Pierre Schweitzer 2017-02-17 21:24:12 +00:00
parent 36bd380f3a
commit 41f23cace3
11 changed files with 61 additions and 55 deletions

View file

@ -78,14 +78,14 @@ VfatCleanupFile(
if (BooleanFlagOn(pFcb->Flags, FCB_IS_DIRTY))
{
VfatUpdateEntry (pFcb);
VfatUpdateEntry (pFcb, vfatVolumeIsFatX(DeviceExt));
}
if (BooleanFlagOn(pFcb->Flags, FCB_DELETE_PENDING) &&
pFcb->OpenHandleCount == 0)
{
if (vfatFCBIsDirectory(pFcb) &&
!VfatIsDirectoryEmpty(pFcb))
!VfatIsDirectoryEmpty(pFcb, vfatVolumeIsFatX(DeviceExt)))
{
pFcb->Flags &= ~FCB_DELETE_PENDING;
}

View file

@ -119,7 +119,7 @@ ReadVolumeLabel(
*(Vpb->VolumeLabel) = 0;
Vpb->VolumeLabelLength = 0;
if (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX))
if (vfatVolumeIsFatX(DeviceExt))
{
SizeDirEntry = sizeof(FATX_DIR_ENTRY);
EntriesPerPage = FATX_ENTRIES_PER_PAGE;
@ -151,7 +151,7 @@ ReadVolumeLabel(
if (ENTRY_VOLUME(DeviceExt, Entry))
{
/* copy volume label */
if (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX))
if (vfatVolumeIsFatX(DeviceExt))
{
StringO.Buffer = (PCHAR)Entry->FatX.Filename;
StringO.MaximumLength = StringO.Length = Entry->FatX.FilenameLength;
@ -259,7 +259,7 @@ FindFile(
if (rcFcb)
{
ULONG startIndex = rcFcb->startIndex;
if (BooleanFlagOn(rcFcb->Flags, FCB_IS_FATX_ENTRY) && !vfatFCBIsRoot(Parent))
if (vfatVolumeIsFatX(DeviceExt) && !vfatFCBIsRoot(Parent))
{
startIndex += 2;
}
@ -947,7 +947,7 @@ VfatCreateFile(
{
*pFcb->Attributes = Stack->Parameters.Create.FileAttributes & ~FILE_ATTRIBUTE_NORMAL;
*pFcb->Attributes |= FILE_ATTRIBUTE_ARCHIVE;
VfatUpdateEntry(pFcb);
VfatUpdateEntry(pFcb, vfatVolumeIsFatX(DeviceExt));
}
ExAcquireResourceExclusiveLite(&(pFcb->MainResource), TRUE);

View file

@ -127,7 +127,7 @@ VfatGetFileDirectoryInformation(
DirContext->LongNameU.Buffer,
DirContext->LongNameU.Length);
if (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX))
if (vfatVolumeIsFatX(DeviceExt))
{
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.FatX.CreationDate,
@ -220,7 +220,7 @@ VfatGetFileFullDirectoryInformation(
DirContext->LongNameU.Buffer,
DirContext->LongNameU.Length);
if (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX))
if (vfatVolumeIsFatX(DeviceExt))
{
FsdDosDateTimeToSystemTime(DeviceExt,
DirContext->DirEntry.FatX.CreationDate,
@ -285,7 +285,7 @@ VfatGetFileBothInformation(
pInfo->EaSize = 0;
if (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX))
if (vfatVolumeIsFatX(DeviceExt))
{
pInfo->FileNameLength = DirContext->LongNameU.Length;

View file

@ -27,7 +27,7 @@ vfatDirEntryGetFirstCluster(
cluster = pFatDirEntry->Fat.FirstCluster |
(pFatDirEntry->Fat.FirstClusterHigh << 16);
}
else if (BooleanFlagOn(pDeviceExt->Flags, VCB_IS_FATX))
else if (vfatVolumeIsFatX(pDeviceExt))
{
cluster = pFatDirEntry->FatX.FirstCluster;
}
@ -170,9 +170,10 @@ FATXIsDirectoryEmpty(
BOOLEAN
VfatIsDirectoryEmpty(
PVFATFCB Fcb)
PVFATFCB Fcb,
BOOLEAN IsFatX)
{
if (BooleanFlagOn(Fcb->Flags, FCB_IS_FATX_ENTRY))
if (IsFatX)
return FATXIsDirectoryEmpty(Fcb);
else
return FATIsDirectoryEmpty(Fcb);

View file

@ -21,7 +21,8 @@
*/
NTSTATUS
VfatUpdateEntry(
IN PVFATFCB pFcb)
IN PVFATFCB pFcb,
IN BOOLEAN IsFatX)
{
PVOID Context;
PDIR_ENTRY PinEntry;
@ -31,7 +32,7 @@ VfatUpdateEntry(
ASSERT(pFcb);
if (BooleanFlagOn(pFcb->Flags, FCB_IS_FATX_ENTRY))
if (IsFatX)
{
SizeDirEntry = sizeof(FATX_DIR_ENTRY);
dirIndex = pFcb->startIndex;
@ -90,7 +91,7 @@ vfatRenameEntry(
DPRINT("vfatRenameEntry(%p, %p, %wZ, %d)\n", DeviceExt, pFcb, FileName, CaseChangeOnly);
if (BooleanFlagOn(pFcb->Flags, FCB_IS_FATX_ENTRY))
if (vfatVolumeIsFatX(DeviceExt))
{
VFAT_DIRENTRY_CONTEXT DirContext;
@ -162,7 +163,7 @@ vfatFindDirSpace(
ULONG SizeDirEntry;
FileOffset.QuadPart = 0;
if (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX))
if (vfatVolumeIsFatX(DeviceExt))
SizeDirEntry = sizeof(FATX_DIR_ENTRY);
else
SizeDirEntry = sizeof(FAT_DIR_ENTRY);
@ -248,7 +249,7 @@ vfatFindDirSpace(
}
_SEH2_END;
if (DeviceExt->Flags & VCB_IS_FATX)
if (vfatVolumeIsFatX(DeviceExt))
memset(pFatEntry, 0xff, DeviceExt->FatInfo.BytesPerCluster);
else
RtlZeroMemory(pFatEntry, DeviceExt->FatInfo.BytesPerCluster);
@ -267,7 +268,7 @@ vfatFindDirSpace(
}
_SEH2_END;
if (DeviceExt->Flags & VCB_IS_FATX)
if (vfatVolumeIsFatX(DeviceExt))
memset(pFatEntry, 0xff, SizeDirEntry);
else
RtlZeroMemory(pFatEntry, SizeDirEntry);
@ -824,7 +825,7 @@ VfatAddEntry(
IN UCHAR ReqAttr,
IN PVFAT_MOVE_CONTEXT MoveContext)
{
if (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX))
if (vfatVolumeIsFatX(DeviceExt))
return FATXAddEntry(DeviceExt, NameU, Fcb, ParentFcb, RequestedOptions, ReqAttr, MoveContext);
else
return FATAddEntry(DeviceExt, NameU, Fcb, ParentFcb, RequestedOptions, ReqAttr, MoveContext);
@ -927,7 +928,7 @@ FATXDelEntry(
ASSERT(pFcb);
ASSERT(pFcb->parentFcb);
ASSERT(BooleanFlagOn(pFcb->Flags, FCB_IS_FATX_ENTRY));
ASSERT(vfatVolumeIsFatX(DeviceExt));
StartIndex = pFcb->startIndex;
@ -983,7 +984,7 @@ VfatDelEntry(
IN PVFATFCB pFcb,
OUT PVFAT_MOVE_CONTEXT MoveContext)
{
if (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX))
if (vfatVolumeIsFatX(DeviceExt))
return FATXDelEntry(DeviceExt, pFcb, MoveContext);
else
return FATDelEntry(DeviceExt, pFcb, MoveContext);

View file

@ -136,11 +136,8 @@ vfatNewFCB(
}
RtlZeroMemory(rcFCB, sizeof(VFATFCB));
vfatInitFcb(rcFCB, pFileNameU);
if (BooleanFlagOn(pVCB->Flags, VCB_IS_FATX))
{
rcFCB->Flags |= FCB_IS_FATX_ENTRY;
if (vfatVolumeIsFatX(pVCB))
rcFCB->Attributes = &rcFCB->entry.FatX.Attrib;
}
else
rcFCB->Attributes = &rcFCB->entry.Fat.Attrib;
rcFCB->Hash.Hash = vfatNameHash(0, &rcFCB->PathNameU);
@ -371,7 +368,7 @@ vfatInitFCBFromDirEntry(
RtlCopyMemory(&Fcb->entry, &DirContext->DirEntry, sizeof (DIR_ENTRY));
RtlCopyUnicodeString(&Fcb->ShortNameU, &DirContext->ShortNameU);
Fcb->Hash.Hash = vfatNameHash(0, &Fcb->PathNameU);
if (Vcb->Flags & VCB_IS_FATX)
if (vfatVolumeIsFatX(Vcb))
{
Fcb->ShortHash.Hash = Fcb->Hash.Hash;
}
@ -401,7 +398,7 @@ vfatInitFCBFromDirEntry(
}
}
}
else if (BooleanFlagOn(Fcb->Flags, FCB_IS_FATX_ENTRY))
else if (vfatVolumeIsFatX(Vcb))
{
Size = Fcb->entry.FatX.FileSize;
}
@ -411,7 +408,7 @@ vfatInitFCBFromDirEntry(
}
Fcb->dirIndex = DirContext->DirIndex;
Fcb->startIndex = DirContext->StartIndex;
if (BooleanFlagOn(Fcb->Flags, FCB_IS_FATX_ENTRY) && !vfatFCBIsRoot(Fcb))
if (vfatVolumeIsFatX(Vcb) && !vfatFCBIsRoot(Fcb))
{
ASSERT(DirContext->DirIndex >= 2 && DirContext->StartIndex >= 2);
Fcb->dirIndex = DirContext->DirIndex-2;
@ -453,7 +450,7 @@ vfatSetFCBNewDirName(
Fcb->DirNameU.Buffer = Fcb->PathNameU.Buffer;
vfatSplitPathName(&Fcb->PathNameU, &Fcb->DirNameU, &Fcb->LongNameU);
Fcb->Hash.Hash = vfatNameHash(0, &Fcb->PathNameU);
if (BooleanFlagOn(pVCB->Flags, VCB_IS_FATX))
if (vfatVolumeIsFatX(pVCB))
{
Fcb->ShortHash.Hash = Fcb->Hash.Hash;
}
@ -637,7 +634,7 @@ vfatMakeRootFCB(
UNICODE_STRING NameU = RTL_CONSTANT_STRING(L"\\");
FCB = vfatNewFCB(pVCB, &NameU);
if (BooleanFlagOn(FCB->Flags, FCB_IS_FATX_ENTRY))
if (vfatVolumeIsFatX(pVCB))
{
memset(FCB->entry.FatX.Filename, ' ', 42);
FCB->entry.FatX.FileSize = pVCB->FatInfo.rootDirectorySectors * pVCB->FatInfo.BytesPerSector;

View file

@ -165,7 +165,7 @@ VfatSetBasicInformation(
/* Check volume label bit */
ASSERT(0 == (*FCB->Attributes & _A_VOLID));
if (BooleanFlagOn(FCB->Flags, FCB_IS_FATX_ENTRY))
if (vfatVolumeIsFatX(DeviceExt))
{
if (BasicInfo->CreationTime.QuadPart != 0 && BasicInfo->CreationTime.QuadPart != -1)
{
@ -230,7 +230,7 @@ VfatSetBasicInformation(
DPRINT("Setting attributes 0x%02x\n", *FCB->Attributes);
}
VfatUpdateEntry(FCB);
VfatUpdateEntry(FCB, vfatVolumeIsFatX(DeviceExt));
return STATUS_SUCCESS;
}
@ -254,7 +254,7 @@ VfatGetBasicInformation(
if (*BufferLength < sizeof(FILE_BASIC_INFORMATION))
return STATUS_BUFFER_OVERFLOW;
if (BooleanFlagOn(FCB->Flags, FCB_IS_FATX_ENTRY))
if (vfatVolumeIsFatX(DeviceExt))
{
FsdDosDateTimeToSystemTime(DeviceExt,
FCB->entry.FatX.CreationDate,
@ -313,9 +313,7 @@ VfatSetDispositionInformation(
PDEVICE_OBJECT DeviceObject,
PFILE_DISPOSITION_INFORMATION DispositionInfo)
{
#if DBG
PDEVICE_EXTENSION DeviceExt = DeviceObject->DeviceExtension;
#endif
DPRINT("FsdSetDispositionInformation(<%wZ>, Delete %u)\n", &FCB->PathNameU, DispositionInfo->DeleteFile);
@ -359,7 +357,7 @@ VfatSetDispositionInformation(
return STATUS_CANNOT_DELETE;
}
if (vfatFCBIsDirectory(FCB) && !VfatIsDirectoryEmpty(FCB))
if (vfatFCBIsDirectory(FCB) && !VfatIsDirectoryEmpty(FCB, vfatVolumeIsFatX(DeviceExt)))
{
/* can't delete a non-empty directory */
@ -1043,7 +1041,7 @@ VfatGetNetworkOpenInformation(
if (*BufferLength < sizeof(FILE_NETWORK_OPEN_INFORMATION))
return(STATUS_BUFFER_OVERFLOW);
if (BooleanFlagOn(Fcb->Flags, FCB_IS_FATX_ENTRY))
if (vfatVolumeIsFatX(DeviceExt))
{
FsdDosDateTimeToSystemTime(DeviceExt,
Fcb->entry.FatX.CreationDate,
@ -1184,7 +1182,8 @@ UpdateFileSize(
PFILE_OBJECT FileObject,
PVFATFCB Fcb,
ULONG Size,
ULONG ClusterSize)
ULONG ClusterSize,
BOOLEAN IsFatX)
{
if (Size > 0)
{
@ -1196,7 +1195,7 @@ UpdateFileSize(
}
if (!vfatFCBIsDirectory(Fcb))
{
if (BooleanFlagOn(Fcb->Flags, FCB_IS_FATX_ENTRY))
if (IsFatX)
Fcb->entry.FatX.FileSize = Size;
else
Fcb->entry.Fat.FileSize = Size;
@ -1221,7 +1220,7 @@ VfatSetAllocationSizeInformation(
ULONG ClusterSize = DeviceExt->FatInfo.BytesPerCluster;
ULONG NewSize = AllocationSize->u.LowPart;
ULONG NCluster;
BOOLEAN AllocSizeChanged = FALSE, IsFatX = BooleanFlagOn(Fcb->Flags, FCB_IS_FATX_ENTRY);
BOOLEAN AllocSizeChanged = FALSE, IsFatX = vfatVolumeIsFatX(DeviceExt);
DPRINT("VfatSetAllocationSizeInformation(File <%wZ>, AllocationSize %d %u)\n",
&Fcb->PathNameU, AllocationSize->HighPart, AllocationSize->LowPart);
@ -1348,7 +1347,7 @@ VfatSetAllocationSizeInformation(
return STATUS_DISK_FULL;
}
}
UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize);
UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize, vfatVolumeIsFatX(DeviceExt));
}
else if (NewSize + ClusterSize <= Fcb->RFCB.AllocationSize.u.LowPart)
{
@ -1364,7 +1363,7 @@ VfatSetAllocationSizeInformation(
AllocSizeChanged = TRUE;
/* FIXME: Use the cached cluster/offset better way. */
Fcb->LastCluster = Fcb->LastOffset = 0;
UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize);
UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize, vfatVolumeIsFatX(DeviceExt));
if (NewSize > 0)
{
Status = OffsetToCluster(DeviceExt, FirstCluster,
@ -1408,14 +1407,14 @@ VfatSetAllocationSizeInformation(
}
else
{
UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize);
UpdateFileSize(FileObject, Fcb, NewSize, ClusterSize, vfatVolumeIsFatX(DeviceExt));
}
/* Update the on-disk directory entry */
Fcb->Flags |= FCB_IS_DIRTY;
if (AllocSizeChanged)
{
VfatUpdateEntry(Fcb);
VfatUpdateEntry(Fcb, vfatVolumeIsFatX(DeviceExt));
}
return STATUS_SUCCESS;
}

View file

@ -35,7 +35,7 @@ VfatFlushFile(
if (BooleanFlagOn(Fcb->Flags, FCB_IS_DIRTY))
{
Status = VfatUpdateEntry(Fcb);
Status = VfatUpdateEntry(Fcb, vfatVolumeIsFatX(DeviceExt));
if (!NT_SUCCESS(Status))
{
IoStatus.Status = Status;

View file

@ -1017,7 +1017,7 @@ Metadata:
// set dates and times
KeQuerySystemTime (&SystemTime);
if (BooleanFlagOn(Fcb->Flags, FCB_IS_FATX_ENTRY))
if (vfatVolumeIsFatX(IrpContext->DeviceExt))
{
FsdSystemTimeToDosDateTime(IrpContext->DeviceExt,
&SystemTime, &Fcb->entry.FatX.UpdateDate,

View file

@ -197,9 +197,9 @@ typedef struct _slot slot;
#define LONGNAME_MAX_LENGTH 256 // max length for a long filename
#define ENTRY_DELETED(DeviceExt, DirEntry) (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX) ? FATX_ENTRY_DELETED(&((DirEntry)->FatX)) : FAT_ENTRY_DELETED(&((DirEntry)->Fat)))
#define ENTRY_VOLUME(DeviceExt, DirEntry) (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX) ? FATX_ENTRY_VOLUME(&((DirEntry)->FatX)) : FAT_ENTRY_VOLUME(&((DirEntry)->Fat)))
#define ENTRY_END(DeviceExt, DirEntry) (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX) ? FATX_ENTRY_END(&((DirEntry)->FatX)) : FAT_ENTRY_END(&((DirEntry)->Fat)))
#define ENTRY_DELETED(DeviceExt, DirEntry) (vfatVolumeIsFatX(DeviceExt) ? FATX_ENTRY_DELETED(&((DirEntry)->FatX)) : FAT_ENTRY_DELETED(&((DirEntry)->Fat)))
#define ENTRY_VOLUME(DeviceExt, DirEntry) (vfatVolumeIsFatX(DeviceExt) ? FATX_ENTRY_VOLUME(&((DirEntry)->FatX)) : FAT_ENTRY_VOLUME(&((DirEntry)->Fat)))
#define ENTRY_END(DeviceExt, DirEntry) (vfatVolumeIsFatX(DeviceExt) ? FATX_ENTRY_END(&((DirEntry)->FatX)) : FAT_ENTRY_END(&((DirEntry)->Fat)))
#define FAT_ENTRY_DELETED(DirEntry) ((DirEntry)->Filename[0] == 0xe5)
#define FAT_ENTRY_END(DirEntry) ((DirEntry)->Filename[0] == 0)
@ -346,7 +346,6 @@ extern PVFAT_GLOBAL_DATA VfatGlobalData;
#define FCB_IS_PAGE_FILE 0x0008
#define FCB_IS_VOLUME 0x0010
#define FCB_IS_DIRTY 0x0020
#define FCB_IS_FATX_ENTRY 0x0040
typedef struct _VFATFCB
{
@ -530,6 +529,13 @@ vfatFCBIsReadOnly(PVFATFCB FCB)
return BooleanFlagOn(*FCB->Attributes, FILE_ATTRIBUTE_READONLY);
}
FORCEINLINE
BOOLEAN
vfatVolumeIsFatX(PDEVICE_EXTENSION DeviceExt)
{
return BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX);
}
/* blockdev.c */
NTSTATUS
@ -636,7 +642,8 @@ vfatDirEntryGetFirstCluster(
BOOLEAN
VfatIsDirectoryEmpty(
PVFATFCB Fcb);
PVFATFCB Fcb,
BOOLEAN IsFatX);
NTSTATUS
FATGetNextDirEntry(
@ -668,7 +675,8 @@ VfatAddEntry(
NTSTATUS
VfatUpdateEntry(
PVFATFCB pFcb);
PVFATFCB pFcb,
IN BOOLEAN IsFatX);
NTSTATUS
VfatDelEntry(

View file

@ -59,7 +59,7 @@ FsdGetFsVolumeInformation(
*BufferLength -= DeviceObject->Vpb->VolumeLabelLength;
}
if (BooleanFlagOn(DeviceExt->VolumeFcb->Flags, FCB_IS_FATX_ENTRY))
if (vfatVolumeIsFatX(DeviceExt))
{
FsdDosDateTimeToSystemTime(DeviceExt,
DeviceExt->VolumeFcb->entry.FatX.CreationDate,
@ -260,7 +260,7 @@ FsdSetFsLabelInformation(
return STATUS_NAME_TOO_LONG;
}
if (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX))
if (vfatVolumeIsFatX(DeviceExt))
{
if (FsLabelInfo->VolumeLabelLength / sizeof(WCHAR) > 42)
return STATUS_NAME_TOO_LONG;
@ -289,7 +289,7 @@ FsdSetFsLabelInformation(
if (!NT_SUCCESS(Status))
return Status;
if (BooleanFlagOn(DeviceExt->Flags, VCB_IS_FATX))
if (vfatVolumeIsFatX(DeviceExt))
{
RtlCopyMemory(VolumeLabelDirEntry.FatX.Filename, cString, LabelLen);
memset(&VolumeLabelDirEntry.FatX.Filename[LabelLen], ' ', 42 - LabelLen);