== sanity test 413k: QoS mkdir exclude prefixes ========== 04:23:04 (1771406584)
lmv.lustre-clilmv-ffff8a2e816e0000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8a2e816e0000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8a2e816e0000.qos_exclude_prefixes=_temporary