modules/kvs: add note to prime_cache_with_rootdir

flux-framework · Nov 7, 2017 · e4c605f · e4c605f
1 parent 8f25ea9
commit e4c605f
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/modules/kvs/kvs.c b/src/modules/kvs/kvs.c
@@ -1404,6 +1404,10 @@ static void setroot_event_cb (flux_t *h, flux_msg_handler_t *w,
 
     finalize_fences_bynames (ctx, names, 0);
 
+    /* Optimization: prime local cache with directory object, if provided
+     * in event message.  Ignore failure here - object will be fetched on
+     * demand from content cache if not in local cache.
+     */
     if (!json_is_null (rootdir))
         prime_cache_with_rootdir (ctx, rootdir);