== sanity test 413k: QoS mkdir exclude prefixes ========== 20:06:23 (1787875583)
lmv.lustre-clilmv-ffff9e31d8b7f000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9e31d8b7f000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9e31d8b7f000.qos_exclude_prefixes=_temporary