== sanity test 413k: QoS mkdir exclude prefixes ========== 05:15:17 (1786958117)
lmv.lustre-clilmv-ffff8c8682ec2000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8c8682ec2000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8c8682ec2000.qos_exclude_prefixes=_temporary