== sanity test 413k: QoS mkdir exclude prefixes ========== 18:12:56 (1779315176)
lmv.lustre-clilmv-ffff8d1490071000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8d1490071000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8d1490071000.qos_exclude_prefixes=_temporary