There's simply a missing flag, which was fixed here: https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=0480334
The patch claims it requires kernel 3.18+, but the overlayfs code in ubuntu's 3.16 kernel is already backported from later kernel revs.
There's simply a missing flag, which was fixed here: /git.kernel. org/cgit/ linux/kernel/ git/stable/ linux-stable. git/commit/ ?id=0480334
https:/
The patch claims it requires kernel 3.18+, but the overlayfs code in ubuntu's 3.16 kernel is already backported from later kernel revs.