The new function kernfs_path_from_node() generates and returns kernfs
path of a given kernfs_node relative to a given parent kernfs_node.
Signed-off-by: NAditya Kali <adityakali@google.com>
Signed-off-by: NSerge E. Hallyn <serge.hallyn@canonical.com>
Acked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: NTejun Heo <tj@kernel.org>