docs: def sync_tunables(self, vault_client):
          """Synchtonizes any tunables we have set"""
          if not self.config:
              return
  
          a_prefix = self.tune_prefix
          if self.tune_prefix:
              a_prefix = "%s/" % self.tune_prefix
  
          v_path = "sys/mounts/%s%s/tune" % (a_prefix, self.path)
          a_obj = self.config.copy()
          if 'description' in a_obj:
              del a_obj['description']
  
          t_resp = vault_client.write(v_path, **a_obj)
          if t_resp and 'errors' in t_resp and t_resp['errors']:
              e_msg = "Unable to update tuning info for %s" % self
              raise aomi_excep.VaultData(e_msg)