FILE_MODE_INFORMATION - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers
#ifndef _NTIOAPI_H

typedef struct _FILE_MODE_INFORMATION
{
    ULONG Mode;
} FILE_MODE_INFORMATION, *PFILE_MODE_INFORMATION;

#endif

View code on GitHub

This structure is documented in Windows Driver Kit.