WRITE_THROUGH enumeration (winioctl.h)

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 about the write-through capabilities of the device.
WriteThroughNotSupported Indicates that the device does not support write-through caching.
WriteThroughSupported Indicates that the device supports write-through caching.

Remarks

The IOCTL_STORAGE_QUERY_PROPERTY control code reports this value in the STORAGE_WRITE_CACHE_PROPERTY structure.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Header	winioctl.h

See also

• Disk Management Enumeration Types
• IOCTL_STORAGE_QUERY_PROPERTY
• STORAGE_WRITE_CACHE_PROPERTY