== sanity test 413k: QoS mkdir exclude prefixes ========== 18:24:56 (1787610296)
lmv.lustre-clilmv-ffff96af4624c000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff96af4624c000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff96af4624c000.qos_exclude_prefixes=_temporary