== sanity test 413k: QoS mkdir exclude prefixes ========== 06:37:39 (1779705459) lmv.lustre-clilmv-ffff8ca05f63c800.qos_exclude_prefixes=+abc:123:foo bar lmv.lustre-clilmv-ffff8ca05f63c800.qos_exclude_prefixes=-abc:123:foo bar lmv.lustre-clilmv-ffff8ca05f63c800.qos_exclude_prefixes=_temporary