tmpfiles: make sure "R" lines also remove subvolumes
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index f7dad84..027a5c2 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -1465,7 +1465,7 @@
                 /* FIXME: we probably should use dir_cleanup() here
                  * instead of rm_rf() so that 'x' is honoured. */
                 log_debug("rm -rf \"%s\"", instance);
-                r = rm_rf(instance, (i->type == RECURSIVE_REMOVE_PATH ? REMOVE_ROOT : 0) | REMOVE_PHYSICAL);
+                r = rm_rf(instance, (i->type == RECURSIVE_REMOVE_PATH ? REMOVE_ROOT|REMOVE_SUBVOLUME : 0) | REMOVE_PHYSICAL);
                 if (r < 0 && r != -ENOENT)
                         return log_error_errno(r, "rm_rf(%s): %m", instance);