mount-util: make "prefix" parameter optional for umount_recursive()

When switching root via MS_MOVE there's no need to filter the mount table by prefix
2023-05-17 10:29:05 +02:00
parent 84bcb394c8
commit ef742415e6
1 changed files with 3 additions and 1 deletions
@@ -78,8 +78,10 @@ int umount_recursive_full(const char *prefix, int flags, char **keep) {
                        if (!path)
                                continue;

-                        if (!path_startswith(path, prefix))
+                        if (prefix && !path_startswith(path, prefix)) {
+                                log_debug("Not unmounting %s, outside of prefix: %s", path, prefix);
                                continue;
+                        }

                        STRV_FOREACH(k, keep)
                                /* Match against anything in the path to the dirs to keep, or below the dirs to keep */