Method flush

src/jrd/CryptoManager.cpp:154–161

		}

		void flush()
		{
			if (wrk)
			{
				CCH_MARK_MUST_WRITE(tdbb, &window);
				memcpy(wrk, getHeader(), wrk->hdr_page_size);
			}
		}

		void setClumplets(const ClumpletWriter& writer)
		{