Windows文件系统过滤驱动中打开文件时如何避免重入

调用下面的函数可以避免在打开回调中打开新的文件的时候引起重入

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    );