Re: [PATCH V4 06/12] kernfs: add exportfs operations

[Greg KH]

On Wed, Jun 28, 2017 at 09:29:56AM -0700, Shaohua Li wrote:
> From: Shaohua Li <shli@xxxxxx>
> 
> Now we have the facilities to implement exportfs operations. The idea is
> cgroup can export the fhandle info to userspace, then userspace uses
> fhandle to find the cgroup name. Another example is userspace can get
> fhandle for a cgroup and BPF uses the fhandle to filter info for the
> cgroup.
> 
> Signed-off-by: Shaohua Li <shli@xxxxxx>

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>