Using maverick, the symlink fsck.btrfs doesn't exist, as mentioned in http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=571300 .
** Bug watch added: Debian Bug tracker #571300 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=571300 -- fsck.btrfs -a doesn’t work (called from mountall) https://bugs.launchpad.net/bugs/460246 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs