ext2fs.h

可以在不启动LINUX的情况下直接访问EXT2和EXT3格式的磁盘

        IN ULONG inode,
        OUT PLONGLONG offset
        );

BOOLEAN
Ext2LoadInode (
        IN PEXT2_VCB Vcb,
        IN ULONG inode,
        IN PEXT2_INODE Inode
        );

BOOLEAN
Ext2SaveInode (
        IN PEXT2_IRP_CONTEXT IrpContext,
        IN PEXT2_VCB Vcb,
        IN ULONG inode,
        IN PEXT2_INODE Inode
        );

BOOLEAN
Ext2LoadBlock (
        IN PEXT2_VCB Vcb,
        IN ULONG     dwBlk,
        IN PVOID     Buffer
        );

BOOLEAN
Ext2SaveBlock (
        IN PEXT2_IRP_CONTEXT    IrpContext,
        IN PEXT2_VCB            Vcb,
        IN ULONG                dwBlk,
        IN PVOID                Buf
        );

BOOLEAN
Ext2SaveBuffer(
        IN PEXT2_IRP_CONTEXT    IrpContext,
        IN PEXT2_VCB            Vcb,
        IN LONGLONG             Offset,
        IN ULONG                Size,
        IN PVOID                Buf
        );

NTSTATUS
Ext2GetBlock(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN PEXT2_MCB            Mcb,
    IN ULONG                Base,
    IN ULONG                Layer,
    IN ULONG                Start,
    IN ULONG                SizeArray,
    IN PULONG               BlockArray,
    IN BOOLEAN              bAlloc,
    IN OUT PULONG           Hint,
    OUT PULONG              Block,
    OUT PULONG              Number
    );

NTSTATUS
Ext2BlockMap(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN PEXT2_MCB            Mcb,
    IN ULONG                Index,
    IN BOOLEAN              bAlloc,
    OUT PULONG              pBlock,
    OUT PULONG              Number
    );

VOID
Ext2UpdateVcbStat(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb
    );

NTSTATUS
Ext2NewBlock(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN ULONG                GroupHint,
    IN ULONG                BlockHint,  
    OUT PULONG              Block,
    IN OUT PULONG           Number
    );

NTSTATUS
Ext2FreeBlock(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN ULONG                Block,
    IN ULONG                Number
    );

NTSTATUS
Ext2ExpandLast(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN PEXT2_MCB            Mcb,
    IN ULONG                Base,
    IN ULONG                Layer,
    IN PULONG *             Data,
    IN PULONG               Hint,
    IN PULONG               Block,
    IN OUT PULONG           Number
    );

NTSTATUS
Ext2ExpandBlock(
    IN PEXT2_IRP_CONTEXT IrpContext,
    IN PEXT2_VCB         Vcb,
    IN PEXT2_MCB         Mcb,
    IN ULONG             Base,
    IN ULONG             Layer,
    IN ULONG             Start,
    IN ULONG             SizeArray,
    IN PULONG            BlockArray,
    IN PULONG            Hint,
    IN PULONG            Extra
    );

NTSTATUS
Ext2NewInode(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN ULONG                GroupHint,
    IN ULONG                Type,
    OUT PULONG              Inode
    );

NTSTATUS
Ext2FreeInode(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN ULONG                Inode,
    IN ULONG                Type
    );

NTSTATUS
Ext2AddEntry (
    IN PEXT2_IRP_CONTEXT   IrpContext,
    IN PEXT2_VCB           Vcb,
    IN PEXT2_FCB           Dcb,
    IN ULONG               FileType,
    IN ULONG               Inode,
    IN PUNICODE_STRING     FileName,
    OUT PULONG             EntryOffset
    );

NTSTATUS
Ext2RemoveEntry (
    IN PEXT2_IRP_CONTEXT   IrpContext,
    IN PEXT2_VCB           Vcb,
    IN PEXT2_FCB           Dcb,
    IN ULONG               EntryOffset,
    IN ULONG               FileType,
    IN ULONG               Inode
    );

NTSTATUS
Ext2SetParentEntry (
         IN PEXT2_IRP_CONTEXT   IrpContext,
         IN PEXT2_VCB           Vcb,
         IN PEXT2_FCB           Dcb,
         IN ULONG               OldParent,
         IN ULONG               NewParent );


NTSTATUS
Ext2TruncateBlock(
    IN PEXT2_IRP_CONTEXT IrpContext,
    IN PEXT2_VCB         Vcb,
    IN PEXT2_MCB         Mcb,
    IN ULONG             Base,
    IN ULONG             Start,
    IN ULONG             Layer,
    IN ULONG             SizeArray,
    IN PULONG            BlockArray,
    IN PULONG            Extra
    );


//
// Fastio.c
//

FAST_IO_POSSIBLE
Ext2IsFastIoPossible(
    IN PEXT2_FCB Fcb
    );

BOOLEAN
Ext2FastIoCheckIfPossible (
    IN PFILE_OBJECT         FileObject,
    IN PLARGE_INTEGER       FileOffset,
    IN ULONG                Length,
    IN BOOLEAN              Wait,
    IN ULONG                LockKey,
    IN BOOLEAN              CheckForReadOperation,
    OUT PIO_STATUS_BLOCK    IoStatus,
    IN PDEVICE_OBJECT       DeviceObject
    );


BOOLEAN
Ext2FastIoRead (IN PFILE_OBJECT FileObject,
        IN PLARGE_INTEGER       FileOffset,
        IN ULONG                Length,
        IN BOOLEAN              Wait,
        IN ULONG                LockKey,
        OUT PVOID               Buffer,
        OUT PIO_STATUS_BLOCK    IoStatus,
        IN PDEVICE_OBJECT       DeviceObject);

BOOLEAN
Ext2FastIoWrite (
        IN PFILE_OBJECT         FileObject,
        IN PLARGE_INTEGER       FileOffset,
        IN ULONG                Length,
        IN BOOLEAN              Wait,
        IN ULONG                LockKey,
        OUT PVOID               Buffer,
        OUT PIO_STATUS_BLOCK    IoStatus,
        IN PDEVICE_OBJECT       DeviceObject);

BOOLEAN
Ext2FastIoQueryBasicInfo (
              IN PFILE_OBJECT             FileObject,
              IN BOOLEAN                  Wait,
              OUT PFILE_BASIC_INFORMATION Buffer,
              OUT PIO_STATUS_BLOCK        IoStatus,
              IN PDEVICE_OBJECT           DeviceObject);

BOOLEAN
Ext2FastIoQueryStandardInfo (
                 IN PFILE_OBJECT                 FileObject,
                 IN BOOLEAN                      Wait,
                 OUT PFILE_STANDARD_INFORMATION  Buffer,
                 OUT PIO_STATUS_BLOCK            IoStatus,
                 IN PDEVICE_OBJECT               DeviceObject);

BOOLEAN
Ext2FastIoLock (
           IN PFILE_OBJECT         FileObject,
           IN PLARGE_INTEGER       FileOffset,
           IN PLARGE_INTEGER       Length,
           IN PEPROCESS            Process,
           IN ULONG                Key,
           IN BOOLEAN              FailImmediately,
           IN BOOLEAN              ExclusiveLock,
           OUT PIO_STATUS_BLOCK    IoStatus,
           IN PDEVICE_OBJECT       DeviceObject
           );

BOOLEAN
Ext2FastIoUnlockSingle (
               IN PFILE_OBJECT         FileObject,
               IN PLARGE_INTEGER       FileOffset,
               IN PLARGE_INTEGER       Length,
               IN PEPROCESS            Process,
               IN ULONG                Key,
               OUT PIO_STATUS_BLOCK    IoStatus,
               IN PDEVICE_OBJECT       DeviceObject
               );

BOOLEAN
Ext2FastIoUnlockAll (
            IN PFILE_OBJECT         FileObject,
            IN PEPROCESS            Process,
            OUT PIO_STATUS_BLOCK    IoStatus,
            IN PDEVICE_OBJECT       DeviceObject
            );

BOOLEAN
Ext2FastIoUnlockAllByKey (
             IN PFILE_OBJECT         FileObject,
             IN PEPROCESS            Process,
             IN ULONG                Key,
             OUT PIO_STATUS_BLOCK    IoStatus,
             IN PDEVICE_OBJECT       DeviceObject
             );


BOOLEAN
Ext2FastIoQueryNetworkOpenInfo (
     IN PFILE_OBJECT                     FileObject,
     IN BOOLEAN                          Wait,
     OUT PFILE_NETWORK_OPEN_INFORMATION  Buffer,
     OUT PIO_STATUS_BLOCK                IoStatus,
     IN PDEVICE_OBJECT                   DeviceObject );

BOOLEAN
Ext2FastIoQueryNetworkOpenInfo (
    IN PFILE_OBJECT                     FileObject,
    IN BOOLEAN                          Wait,
    OUT PFILE_NETWORK_OPEN_INFORMATION  Buffer,
    OUT PIO_STATUS_BLOCK                IoStatus,
    IN PDEVICE_OBJECT                   DeviceObject);


//
// FileInfo.c
//


NTSTATUS
Ext2QueryFileInformation (IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2SetFileInformation (IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2ExpandFile(
    PEXT2_IRP_CONTEXT IrpContext,
    PEXT2_VCB         Vcb,
    PEXT2_MCB         Mcb,
    PLARGE_INTEGER    Size
    );

NTSTATUS
Ext2TruncateFile (
    PEXT2_IRP_CONTEXT IrpContext,
    PEXT2_VCB Vcb,
    PEXT2_MCB Mcb,
    PLARGE_INTEGER AllocationSize );

NTSTATUS
Ext2IsFileRemovable(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN PEXT2_FCB            Fcb
    );

NTSTATUS
Ext2SetDispositionInfo(
    PEXT2_IRP_CONTEXT IrpContext,
    PEXT2_VCB Vcb,
    PEXT2_FCB Fcb,
    PEXT2_CCB Ccb,
    BOOLEAN bDelete
    );

NTSTATUS
Ext2SetRenameInfo(
    PEXT2_IRP_CONTEXT IrpContext,
    PEXT2_VCB Vcb,
    PEXT2_FCB Fcb,
    PEXT2_CCB Ccb
    );

ULONG
Ext2InodeType(PEXT2_MCB Mcb);

NTSTATUS
Ext2DeleteFile(
    PEXT2_IRP_CONTEXT IrpContext,
    PEXT2_VCB Vcb,
    PEXT2_MCB Mcb
    );


//
// Flush.c
//

NTSTATUS
Ext2FlushFiles(
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN BOOLEAN              bShutDown
    );

NTSTATUS
Ext2FlushVolume (
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb, 
    IN BOOLEAN              bShutDown
    );

NTSTATUS
Ext2FlushFile (
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_FCB            Fcb,
    IN PEXT2_CCB            Ccb
    );

NTSTATUS
Ext2Flush (IN PEXT2_IRP_CONTEXT IrpContext);


//
// Fsctl.c
//

//
// MountPoint process workitem
//

VOID
Ext2SetVpbFlag (IN PVPB     Vpb,
        IN USHORT   Flag );

VOID
Ext2ClearVpbFlag (IN PVPB     Vpb,
          IN USHORT   Flag );

BOOLEAN
Ext2CheckDismount (
    IN PEXT2_IRP_CONTEXT IrpContext,
    IN PEXT2_VCB         Vcb,
    IN BOOLEAN           bForce   );

NTSTATUS
Ext2PurgeVolume (IN PEXT2_VCB Vcb,
         IN BOOLEAN  FlushBeforePurge);

NTSTATUS
Ext2PurgeFile (IN PEXT2_FCB Fcb,
           IN BOOLEAN  FlushBeforePurge);

BOOLEAN
Ext2IsHandleCountZero(IN PEXT2_VCB Vcb);

NTSTATUS
Ext2LockVcb (IN PEXT2_VCB    Vcb,
             IN PFILE_OBJECT FileObject);

NTSTATUS
Ext2LockVolume (IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2UnlockVcb (IN PEXT2_VCB    Vcb,
               IN PFILE_OBJECT FileObject);

NTSTATUS
Ext2UnlockVolume (IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2AllowExtendedDasdIo(IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2OplockRequest (IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2QueryExtentMappings(
    IN PEXT2_IRP_CONTEXT   IrpContext,
    IN PEXT2_VCB           Vcb,
    IN PEXT2_FCB           Fcb,
    IN PLARGE_INTEGER      RequestVbn,
    OUT PLARGE_INTEGER *   pMappedRuns
    );

NTSTATUS
Ext2QueryRetrievalPointers(IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2GetRetrievalPointers(IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2UserFsRequest (IN PEXT2_IRP_CONTEXT IrpContext);

BOOLEAN
Ext2IsMediaWriteProtected (
    IN PEXT2_IRP_CONTEXT   IrpContext,
    IN PDEVICE_OBJECT TargetDevice
    );

NTSTATUS
Ext2MountVolume (IN PEXT2_IRP_CONTEXT IrpContext);

VOID
Ext2VerifyVcb (IN PEXT2_IRP_CONTEXT IrpContext,
               IN PEXT2_VCB         Vcb );
NTSTATUS
Ext2VerifyVolume (IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2IsVolumeMounted (IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2DismountVolume (IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2FileSystemControl (IN PEXT2_IRP_CONTEXT IrpContext);


//
// Init.c
//

BOOLEAN
Ext2QueryGlobalParameters (IN PUNICODE_STRING  RegistryPath); 

VOID
DriverUnload (IN PDRIVER_OBJECT DriverObject);



//