WRITE_THROUGH enumeration (ntddstor.h)

The WRITE_THROUGH enumeration specifies whether a storage device supports write-through caching.

Syntax

typedef enum _WRITE_THROUGH {
  WriteThroughUnknown,
  WriteThroughNotSupported,
  WriteThroughSupported
} WRITE_THROUGH;

Constants

WriteThroughUnknown Indicates that no information is available concerning the writethrough capabilities of the device.
WriteThroughNotSupported Indicates that the device does not support writethrough operations.
WriteThroughSupported Indicates that the device supports writethrough operations.

Remarks

The IOCTL_STORAGE_QUERY_PROPERTY request reports this value in the STORAGE_WRITE_CACHE_PROPERTY structure.

Requirements

Requirement	Value
Header	ntddstor.h

See also

IOCTL_STORAGE_QUERY_PROPERTY

STORAGE_WRITE_CACHE_PROPERTY