// ntifs.h

typedef struct _FILE_DESIRED_STORAGE_CLASS_INFORMATION {
  FILE_STORAGE_TIER_CLASS Class;
  ULONG                   Flags;
} FILE_DESIRED_STORAGE_CLASS_INFORMATION, *PFILE_DESIRED_STORAGE_CLASS_INFORMATION;
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Windows Driver Kit DDI reference (ns-ntifs-_file_desired_storage_class_information)

_FILE_DESIRED_STORAGE_CLASS_INFORMATION structure

Description

Contains the information for the desired storage class attribute. The class information is set by calling NtSetInformationFile

Members

`Class`

A FILE_STORAGE_TIER_CLASS-value that the storage class. This is the tier type for the file/directory.

`Flags`

Flags for the class type. Here are the possible values:

QUERY_STORAGE_CLASSES_FLAGS_MEASURE_WRITE
QUERY_STORAGE_CLASSES_FLAGS_MEASURE_READ

FILE_DESIRED_STORAGE_CLASS_INFORMATION - NtDoc