rfsd.h

This is a ReiserFs file system driver for Windows NT/2000/XP/Vista.

        IN PDEVICE_OBJECT       DeviceObject);

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

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

BOOLEAN
RfsdFastIoLock (
           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
RfsdFastIoUnlockSingle (
               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
RfsdFastIoUnlockAll (
            IN PFILE_OBJECT         FileObject,
            IN PEPROCESS            Process,
            OUT PIO_STATUS_BLOCK    IoStatus,
            IN PDEVICE_OBJECT       DeviceObject
            );

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


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

BOOLEAN
RfsdFastIoQueryNetworkOpenInfo (
                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
RfsdQueryInformation (IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdSetInformation (IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdExpandFile (
    PRFSD_IRP_CONTEXT IrpContext,
    PRFSD_VCB Vcb,
    PRFSD_FCB Fcb,
    PLARGE_INTEGER AllocationSize );

NTSTATUS
RfsdTruncateFile (
    PRFSD_IRP_CONTEXT IrpContext,
    PRFSD_VCB Vcb,
    PRFSD_FCB Fcb,
    PLARGE_INTEGER AllocationSize );

NTSTATUS
RfsdSetDispositionInfo(
            PRFSD_IRP_CONTEXT IrpContext,
            PRFSD_VCB Vcb,
            PRFSD_FCB Fcb,
            BOOLEAN bDelete);

NTSTATUS
RfsdSetRenameInfo(
            PRFSD_IRP_CONTEXT IrpContext,
            PRFSD_VCB Vcb,
            PRFSD_FCB Fcb );

NTSTATUS
RfsdDeleteFile(
        PRFSD_IRP_CONTEXT IrpContext,
        PRFSD_VCB Vcb,
        PRFSD_FCB Fcb );


//
// Flush.c
//

NTSTATUS
RfsdFlushFiles (IN PRFSD_VCB Vcb, BOOLEAN bShutDown);

NTSTATUS
RfsdFlushVolume (IN PRFSD_VCB Vcb, BOOLEAN bShutDown);

NTSTATUS
RfsdFlushFile (IN PRFSD_FCB Fcb);

NTSTATUS
RfsdFlush (IN PRFSD_IRP_CONTEXT IrpContext);


//
// Fsctl.c
//


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

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

BOOLEAN
RfsdCheckDismount (
    IN PRFSD_IRP_CONTEXT IrpContext,
    IN PRFSD_VCB         Vcb,
    IN BOOLEAN           bForce   );

NTSTATUS
RfsdPurgeVolume (IN PRFSD_VCB Vcb,
         IN BOOLEAN  FlushBeforePurge);

NTSTATUS
RfsdPurgeFile (IN PRFSD_FCB Fcb,
           IN BOOLEAN  FlushBeforePurge);

BOOLEAN
RfsdIsHandleCountZero(IN PRFSD_VCB Vcb);

NTSTATUS
RfsdLockVcb (IN PRFSD_VCB    Vcb,
             IN PFILE_OBJECT FileObject);

NTSTATUS
RfsdLockVolume (IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdUnlockVcb (IN PRFSD_VCB    Vcb,
               IN PFILE_OBJECT FileObject);

NTSTATUS
RfsdUnlockVolume (IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdAllowExtendedDasdIo(IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdUserFsRequest (IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdMountVolume (IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdVerifyVolume (IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdIsVolumeMounted (IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdDismountVolume (IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdFileSystemControl (IN PRFSD_IRP_CONTEXT IrpContext);


//
// Init.c
//

BOOLEAN
RfsdQueryParameters (IN PUNICODE_STRING  RegistryPath); 

VOID
DriverUnload (IN PDRIVER_OBJECT DriverObject);


//
// Lock.c
//

NTSTATUS
RfsdLockControl (IN PRFSD_IRP_CONTEXT IrpContext);

//
// Memory.c
//

PRFSD_IRP_CONTEXT
RfsdAllocateIrpContext (IN PDEVICE_OBJECT   DeviceObject,
            IN PIRP             Irp );

VOID
RfsdFreeIrpContext (IN PRFSD_IRP_CONTEXT IrpContext);


PRFSD_FCB
RfsdAllocateFcb (IN PRFSD_VCB   Vcb,
         IN PRFSD_MCB           RfsdMcb,
         IN PRFSD_INODE         Inode );

VOID
RfsdFreeFcb (IN PRFSD_FCB Fcb);

PRFSD_CCB
RfsdAllocateCcb (VOID);

VOID
RfsdFreeMcb (IN PRFSD_MCB Mcb);

PRFSD_FCB
RfsdCreateFcbFromMcb(PRFSD_VCB Vcb, PRFSD_MCB Mcb);

VOID
RfsdFreeCcb (IN PRFSD_CCB Ccb);

PRFSD_MCB
RfsdAllocateMcb ( PRFSD_VCB,
                  PUNICODE_STRING FileName,
                  ULONG FileAttr);

PRFSD_MCB
RfsdSearchMcbTree(  PRFSD_VCB Vcb,
                    PRFSD_MCB RfsdMcb,
                    PRFSD_KEY_IN_MEMORY Key);

PRFSD_MCB
RfsdSearchMcb(  PRFSD_VCB Vcb, PRFSD_MCB Parent,
                PUNICODE_STRING FileName);

BOOLEAN
RfsdGetFullFileName( PRFSD_MCB Mcb, 
                     PUNICODE_STRING FileName);

VOID
RfsdRefreshMcb(PRFSD_VCB Vcb, PRFSD_MCB Mcb);

VOID
RfsdAddMcbNode( PRFSD_VCB Vcb,
                PRFSD_MCB Parent,
                PRFSD_MCB Child );

BOOLEAN
RfsdDeleteMcbNode(
                PRFSD_VCB Vcb, 
                PRFSD_MCB McbTree,
                PRFSD_MCB RfsdMcb);

VOID
RfsdFreeMcbTree(PRFSD_MCB McbTree);

#if DISABLED
BOOLEAN
RfsdCheckSetBlock( PRFSD_IRP_CONTEXT IrpContext,
                   PRFSD_VCB Vcb, ULONG Block);
#endif

#if DISABLED
BOOLEAN
RfsdCheckBitmapConsistency( PRFSD_IRP_CONTEXT IrpContext,
                            PRFSD_VCB Vcb);
#endif

VOID
RfsdInsertVcb(PRFSD_VCB Vcb);

VOID
RfsdRemoveVcb(PRFSD_VCB Vcb);

NTSTATUS
RfsdInitializeVcb(
            PRFSD_IRP_CONTEXT IrpContext, 
            PRFSD_VCB Vcb, 
            PRFSD_SUPER_BLOCK RfsdSb,
            PDEVICE_OBJECT TargetDevice,
            PDEVICE_OBJECT VolumeDevice,
            PVPB Vpb                   );

VOID
RfsdFreeVcb (IN PRFSD_VCB Vcb );


VOID
RfsdRepinBcb (
    IN PRFSD_IRP_CONTEXT IrpContext,
    IN PBCB Bcb );

VOID
RfsdUnpinRepinnedBcbs (
    IN PRFSD_IRP_CONTEXT IrpContext);


NTSTATUS
RfsdCompleteIrpContext (
    IN PRFSD_IRP_CONTEXT IrpContext,
    IN NTSTATUS Status );

VOID
RfsdSyncUninitializeCacheMap (
    IN PFILE_OBJECT FileObject    );

//
// Misc.c
//

/** Returns the length of a string (not including a terminating null), or MaximumLength if no terminator is found within MaximumLength characters. */
static inline USHORT RfsdStringLength(PUCHAR buffer, USHORT MaximumLength)
{
	USHORT i = 0;
	while ((buffer[i] != '\0')  && (i < MaximumLength))  { i++; }
	return i;
}

ULONG
RfsdLog2(ULONG Value);

LARGE_INTEGER
RfsdSysTime (IN ULONG i_time);

ULONG
RfsdInodeTime (IN LARGE_INTEGER SysTime);

ULONG
RfsdOEMToUnicodeSize(
        IN PANSI_STRING Oem
        );

NTSTATUS
RfsdOEMToUnicode(
        IN OUT PUNICODE_STRING Oem,
        IN POEM_STRING         Unicode
        );

ULONG
RfsdUnicodeToOEMSize(
        IN PUNICODE_STRING Unicode
        );

NTSTATUS
RfsdUnicodeToOEM (
        IN OUT POEM_STRING Oem,
        IN PUNICODE_STRING Unicode
        );

//
// nls/nls_rtl.c
//

int
RfsdLoadAllNls();

VOID
RfsdUnloadAllNls();

//
// Pnp.c
//

NTSTATUS
RfsdPnp(IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdPnpQueryRemove(
    PRFSD_IRP_CONTEXT IrpContext,
    PRFSD_VCB         Vcb      );

NTSTATUS
RfsdPnpRemove(
    PRFSD_IRP_CONTEXT IrpContext,
    PRFSD_VCB         Vcb      );

NTSTATUS
RfsdPnpCancelRemove(
    PRFSD_IRP_CONTEXT IrpContext,
    PRFSD_VCB Vcb              );

NTSTATUS
RfsdPnpSurpriseRemove(
    PRFSD_IRP_CONTEXT IrpContext,
    PRFSD_VCB Vcb              );


//
// Read.c
//

BOOLEAN 
RfsdCopyRead(
    IN PFILE_OBJECT  FileObject,
    IN PLARGE_INTEGER  FileOffset,
    IN ULONG  Length,
    IN BOOLEAN  Wait,
    OUT PVOID  Buffer,
    OUT PIO_STATUS_BLOCK  IoStatus   );


NTSTATUS
RfsdReadInode (
    IN PRFSD_IRP_CONTEXT    IrpContext,
    IN PRFSD_VCB            Vcb,
    IN PRFSD_KEY_IN_MEMORY  Key,
    IN PRFSD_INODE          Inode,
    IN ULONGLONG            Offset,
    IN PVOID                Buffer,
    IN ULONG                Size,
    OUT PULONG              dwReturn
    );

NTSTATUS
RfsdRead (IN PRFSD_IRP_CONTEXT IrpContext);

//
// Shutdown.c
//

NTSTATUS
RfsdShutDown (IN PRFSD_IRP_CONTEXT IrpContext);

//
// Volinfo.c
//

NTSTATUS
RfsdQueryVolumeInformation (IN PRFSD_IRP_CONTEXT IrpContext);

NTSTATUS
RfsdSetVolumeInformation (IN PRFSD_IRP_CONTEXT IrpContext);


//
// Write.c
//
#if 0
NTSTATUS
RfsdWriteInode (
    IN PRFSD_IRP_CONTEXT    IrpContext,
    IN PRFSD_VCB            Vcb,
    IN ULONG                InodeNo,
    IN PRFSD_INODE          Inode,
    IN ULONGLONG            Offset,
    IN PVOID                Buffer,
    IN ULONG                Size,
    IN BOOLEAN              bWriteToDisk,
    OUT PULONG              dwReturn
    );

VOID
RfsdStartFloppyFlushDpc (
    PRFSD_VCB   Vcb,
    PRFSD_FCB   Fcb,
    PFILE_OBJECT FileObject );

BOOLEAN
RfsdZeroHoles (
    IN PRFSD_IRP_CONTEXT IrpContext,
    IN PRFSD_VCB Vcb,
    IN PFILE_OBJECT FileObject,
    IN LONGLONG Offset,
    IN LONGLONG Count );

NTSTATUS
RfsdWrite (IN PRFSD_IRP_CONTEXT IrpContext);
#endif

#endif /* _RFSD_HEADER_ */