add FIXME

diff --git a/lib/fts_.h b/lib/fts_.h
index b6ba1b481b604b09c856c6bffa70fcbacd70196d..a0ceaf6299fac61279f264ce39982ef646beec94 100644 (file)
--- a/lib/fts_.h
+++ b/lib/fts_.h
@@ -80,7 +80,9 @@ typedef struct {
           This data structure is used to detect directory cycles efficiently
           and promptly even when the depth of a hierarchy is in the tens
           of thousands.  Lazy checking, as done by GNU rm via cycle-check.c,
-          wouldn't be appropriate for du.  */
+          wouldn't be appropriate for du.
+          FIXME: add an option so that we *do* use cycle-check.c, except
+          when necessary.  */
        void *fts_dir_signatures;
 } FTS;