== sanity test 413k: QoS mkdir exclude prefixes ========== 15:33:26 (1773689606)
lmv.lustre-clilmv-ffff9026d8510000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9026d8510000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9026d8510000.qos_exclude_prefixes=_temporary