FSCTL_QUERY_REGION_INFO_INPUT structure (winioctl.h)

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

Syntax

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;

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[ANYSIZE_ARRAY]

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

Requirements