branches/zip: buf_LRU_free_block(): When freeing the uncompressed page

of a dirty block, relocate the control blocks on buf_pool->flush_list
instead of calling buf_flush_insert_into_flush_list().

buf/buf0lru.c

@@ -1008,7 +1008,28 @@ buf_LRU_free_block(
 				if (b->state == BUF_BLOCK_ZIP_PAGE) {
 					buf_LRU_insert_zip_clean(b);
 				} else {
-					buf_flush_insert_into_flush_list(b);
+					buf_page_t* prev;
+
+					ut_ad(b->in_flush_list);
+					ut_d(bpage->in_flush_list = FALSE);
+
+					prev = UT_LIST_GET_PREV(list, b);
+					UT_LIST_REMOVE(list,
+						       buf_pool->flush_list,
+						       b);
+
+					if (prev) {
+						ut_ad(prev->in_flush_list);
+						UT_LIST_INSERT_AFTER(
+							list,
+							buf_pool->flush_list,
+							prev, b);
+					} else {
+						UT_LIST_ADD_FIRST(
+							list,
+							buf_pool->flush_list,
+							b);
+					}
 				}
 
 				mutex_enter(block_mutex);