== sanity test 413k: QoS mkdir exclude prefixes ========== 10:18:28 (1788877108)
lmv.lustre-clilmv-ffff8f280a6c5000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8f280a6c5000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8f280a6c5000.qos_exclude_prefixes=_temporary