WRITE_CACHE_CHANGE enumeration (ntddstor.h)

The WRITE_CACHE_CHANGE enumeration indicates whether the write cache features of a device are changeable or not.

Syntax

typedef enum _WRITE_CACHE_CHANGE {
  WriteCacheChangeUnknown,
  WriteCacheNotChangeable,
  WriteCacheChangeable
} WRITE_CACHE_CHANGE;


`WriteCacheChangeUnknown` The system cannot report the write cache change capability of the device.
`WriteCacheNotChangeable` Host software cannot change the characteristics of the device's write cache.
`WriteCacheChangeable` Host software can change the characteristics of the device's write cache.

The IOCTL_STORAGE_QUERY_PROPERTY request reports a WRITE_CACHE_CHANGE value in the STORAGE_WRITE_CACHE_PROPERTY structure.

Requirement	Value
Header	ntddstor.h