+ unverifiedReq->getExtraData() : true;
+ }
+
+ // If the request is to ZERO a cache block, there is no data to check
+ // against, but it's all zero. We need something to compare to, so use a
+ // const set of zeros.
+ if (flags & Request::CACHE_BLOCK_ZERO) {
+ assert(!data);
+ assert(sizeof(zero_data) <= fullSize);
+ data = zero_data;