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DEVICE_WRITE_AGGREGATION_DESCRIPTOR structure

Used in conjunction with the IOCTL_STORAGE_QUERY_PROPERTY control code to retrieve the write aggregation data for a device.

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

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

 

 

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