internal void MakeAttributeNonResident(AttributeReference attrRef, int maxData)
{
NtfsAttribute attr = GetAttribute(attrRef);
if (attr.IsNonResident)
{
throw new InvalidOperationException("Attribute is already non-resident");
}
ushort id = _records[0].CreateNonResidentAttribute(attr.Type, attr.Name, attr.Flags);
AttributeRecord newAttrRecord = _records[0].GetAttribute(id);
IBuffer attrBuffer = attr.GetDataBuffer();
byte[] tempData = StreamUtilities.ReadFully(attrBuffer, 0, (int)Math.Min(maxData, attrBuffer.Capacity));
RemoveAttributeExtents(attr);
attr.SetExtent(_records[0].Reference, newAttrRecord);
attr.GetDataBuffer().Write(0, tempData, 0, tempData.Length);
UpdateAttributeList();
}
