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WRITE_THROUGH enumeration (ntddstor.h)

  • Article

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