== sanity test 413k: QoS mkdir exclude prefixes ========== 03:14:16 (1788938056)
lmv.lustre-clilmv-ffff8ee506b19800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8ee506b19800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8ee506b19800.qos_exclude_prefixes=_temporary