== sanity test 413k: QoS mkdir exclude prefixes ========== 22:33:54 (1746153234)
lmv.lustre-clilmv-ffff88012aaf8800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff88012aaf8800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff88012aaf8800.qos_exclude_prefixes=_temporary