== sanity test 413k: QoS mkdir exclude prefixes ========== 19:28:11 (1746142091)
lmv.lustre-clilmv-ffff88012b732000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88012b732000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88012b732000.qos_exclude_prefixes=_temporary