int OSD::get_num_op_shards()
{
  if (cct->_conf->osd_op_num_shards)
    return cct->_conf->osd_op_num_shards;
  if (store_is_rotational)
    return cct->_conf->osd_op_num_shards_hdd;
  else
    return cct->_conf->osd_op_num_shards_ssd;
}
int OSD::get_num_op_shards()
{
  if (cct->_conf->osd_op_num_shards)
    return cct->_conf->osd_op_num_shards;
  if (store_is_rotational)
    return cct->_conf->osd_op_num_shards_hdd;
  else
    return cct->_conf->osd_op_num_shards_ssd;
}