NFSv4: Eliminate nfs4_path_walk()
Trond Myklebust authored

All we really want is the ability to retrieve the root file handle. We no
longer need the ability to walk down the path, since that is now done in
nfs_follow_remote_path().
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
815409d2