== sanity test 413k: QoS mkdir exclude prefixes ========== 15:27:58 (1780342078)
lmv.lustre-clilmv-ffff88ad72c3e800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88ad72c3e800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88ad72c3e800.qos_exclude_prefixes=_temporary