== sanity test 413k: QoS mkdir exclude prefixes ========== 19:34:56 (1786836896)
lmv.lustre-clilmv-ffff92b4c3241000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff92b4c3241000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff92b4c3241000.qos_exclude_prefixes=_temporary