== sanity test 413k: QoS mkdir exclude prefixes ========== 16:18:36 (1778357916)
lmv.lustre-clilmv-ffff9336ec41c000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9336ec41c000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9336ec41c000.qos_exclude_prefixes=_temporary