ManEntry must be a ManEntry?

What else could it be?

src/leveled_inker.erl

@@ -537,8 +537,7 @@ open_all_manifest(Man0, RootPath, CDBOpts) ->
     [{HeadSQN, HeadFN, _IgnorePid, HeadLK}|ManifestTail] = Man1,
     OpenJournalFun =
         fun(ManEntry) ->
-            case ManEntry of
-                {LowSQN, FN, _, LK_RO} ->
+            {LowSQN, FN, _, LK_RO} = ManEntry
                 CFN = FN ++ "." ++ ?JOURNAL_FILEX,
                 PFN = FN ++ "." ++ ?PENDING_FILEX,
                 case filelib:is_file(CFN) of
@@ -552,9 +551,6 @@ open_all_manifest(Man0, RootPath, CDBOpts) ->
                         ok = leveled_cdb:cdb_roll(Pid),
                         LK_WR = leveled_cdb:cdb_lastkey(Pid),
                         {LowSQN, FN, Pid, LK_WR}
-                    end;
-                _ ->
-                    ManEntry
                 end
         end,
     OpenedTailAsList = lists:map(OpenJournalFun, ManifestTail),