== sanity test 413k: QoS mkdir exclude prefixes ========== 23:48:42 (1786679322)
lmv.lustre-clilmv-ffff8fc1467b1000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8fc1467b1000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8fc1467b1000.qos_exclude_prefixes=_temporary