[systemd-devel] remounting root fs outside containers as MS_SHARED

[Ani Sinha]

>>
>> Why pivot_root() fails ?
>
> pivot_root() fails because of the following code in linux kernel :
>
> http://lxr.free-electrons.com/source/fs/namespace.c#L2730
>
> any code that calls pivot_root() under / will fail with EINVAL.
>

This is the redhat bug that discusses the kernel behavior :

https://bugzilla.redhat.com/show_bug.cgi?id=847418

So what is the position here? Do we have to live with a broken
pivot_root() with this systemd change?

Ani