_CopyData
error = _CopyData(page, vecs, vecOffset, isWrite);
ret = _CopyData(source, destination);
status_t _CopyData(const BEntry& entry,
return _CopyData(buffer, offset, size, true);
return _CopyData((void*)buffer, offset, size, false);
status_t _CopyData(void* buffer, off_t offset,
status_t error = _CopyData(vecs, vecOffset, true);
status_t error =_CopyData(vecs, vecOffset, false);