I've experienced the same issue even when the check is against my home folder. Just noticed that using 'sudo' resolves the problem on my machine.
Using Xubuntu 14.04.5 LTS Hope this will help. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1143816 Title: e4defrag option -c reports nothing but "done" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/1143816/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs