Contents

doUnmap

Delete unused data blocks from the media.

Declaration

virtual IOReturn doUnmap(
 IOBlockStorageDeviceExtent *extents, 
 UInt32extentsCount, 
 UInt32 options = 0);

Parameters

  • extents:

    List of extents. See IOBlockStorageDeviceExtent. It is legal for the callee to overwrite the contents of this buffer in order to satisfy the request.

  • extentsCount:

    Number of extents.

See Also

Miscellaneous