Not true of all directories, actually. /root is special somehow. (detach_mounts is suspicious... probably the initramfs mounted the real root at /root, or something like that?) Renaming /mnt or /opt works properly and no whiteout is left behind.
Not true of all directories, actually. /root is special somehow. (detach_mounts is suspicious... probably the initramfs mounted the real root at /root, or something like that?) Renaming /mnt or /opt works properly and no whiteout is left behind.