FSCTL_QUERY_REGION_INFO_INPUT - NtDoc

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

// winioctl.h

typedef struct _FSCTL_QUERY_REGION_INFO_INPUT {
  DWORD Version;
  DWORD Size;
  DWORD Flags;
  DWORD NumberOfTierIds;
  GUID  TierIds[ANYSIZE_ARRAY];
} FSCTL_QUERY_REGION_INFO_INPUT, *PFSCTL_QUERY_REGION_INFO_INPUT;
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Win32 API reference (ns-winioctl-fsctl_query_region_info_input)

FSCTL_QUERY_REGION_INFO_INPUT structure

Description

Contains the storage tier regions from the storage stack for a particular volume.

Members

`Version`

The size of this structure serves as the version. Set it to sizeof(FSCTL_QUERY_REGION_INFO_INPUT).

`Size`

The size of this structure in bytes.

`Flags`

Reserved for future use.

`NumberOfTierIds`

Number of entries in TierIds, 0 to request IDs for the entire volume.

`TierIds`

Array of storage tiers (represented by GUID values) for which to return information.

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