== sanity test 413k: QoS mkdir exclude prefixes ========== 16:19:46 (1780345186)
lmv.lustre-clilmv-ffff8e47e0178000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8e47e0178000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8e47e0178000.qos_exclude_prefixes=_temporary