== sanity test 413k: QoS mkdir exclude prefixes ========== 06:20:59 (1788517259)
lmv.lustre-clilmv-ffff9b8bc4ee4800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9b8bc4ee4800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9b8bc4ee4800.qos_exclude_prefixes=_temporary