== sanity test 413k: QoS mkdir exclude prefixes ========== 18:37:50 (1786833470)
lmv.lustre-clilmv-ffff8e1ed12ab800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8e1ed12ab800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8e1ed12ab800.qos_exclude_prefixes=_temporary