ceph_update_read_metrics
ceph_update_read_metrics(&fsc->mdsc->metric, req->r_start_latency,
ceph_update_read_metrics(&fsc->mdsc->metric,
ceph_update_read_metrics(metric, req->r_start_latency,
ceph_update_read_metrics(metric, req->r_start_latency,
ceph_update_read_metrics(&fsc->mdsc->metric,