Windows文件系统过滤驱动中打开文件时如何避免重入

NTSTATUS
IoCreateFileSpecifyDeviceObjectHint(
__out PHANDLE  FileHandle,
__in ACCESS_MASK  DesiredAccess,
__in POBJECT_ATTRIBUTES  ObjectAttributes,
__out PIO_STATUS_BLOCK  IoStatusBlock,
__in_opt PLARGE_INTEGER  AllocationSize,
__in ULONG  FileAttributes,
__in ULONG  ShareAccess,
__in ULONG  Disposition,
__in ULONG  CreateOptions,
__in_opt PVOID  EaBuffer,
__in ULONG  EaLength,
__in CREATE_FILE_TYPE  CreateFileType,
__in_opt PVOID  InternalParameters,
__in ULONG  Options,
__in PVOID  DeviceObject
);