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    SubjectRe: [PATCH V4 06/12] kernfs: add exportfs operations
    On Wed, Jun 28, 2017 at 09:29:56AM -0700, Shaohua Li wrote:
    > From: Shaohua Li <shli@fb.com>
    >
    > 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@fb.com>

    Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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