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DEVICE_WRITE_AGGREGATION_DESCRIPTOR structure (winioctl.h)

  • Article

Reserved for system use.

Syntax

typedef struct _DEVICE_WRITE_AGGREGATION_DESCRIPTOR {
  DWORD   Version;
  DWORD   Size;
  BOOLEAN BenefitsFromWriteAggregation;
} DEVICE_WRITE_AGGREGATION_DESCRIPTOR, *PDEVICE_WRITE_AGGREGATION_DESCRIPTOR;

Members

Version

Contains the size, in bytes, of this structure. The value of this member will change as members are added to the structure.

Size

Specifies the total size of the descriptor, in bytes.

BenefitsFromWriteAggregation

TRUE if the device benefits from write aggregation.

Requirements

Requirement Value
Minimum supported client Windows 7 [desktop apps only]
Minimum supported server Windows Server 2008 R2 [desktop apps only]
Header winioctl.h (include Windows.h)

See also

Disk Management Structures

IOCTL_STORAGE_QUERY_PROPERTY