Function rollback

fdbserver/StorageCache.actor.cpp:1072–1081

}

void rollback(StorageCacheData* data, Version rollbackVersion, Version nextVersion) {
	CODE_PROBE(true, "call to cacheRange rollback");
	// FIXME: enable when debugKeyRange is active
	// debugKeyRange("Rollback", rollbackVersion, allKeys);

	// FIXME: It's not straightforward to rollback certain versions from the VersionedMap.
	// It's doable. But for now, we choose to just throw away this cache role

	throw please_reboot();
}

void StorageCacheData::addMutation(KeyRangeRef const& cachedKeyRange, Version version, MutationRef const& mutation) {
	MutationRef expanded = mutation;