== sanity test 413k: QoS mkdir exclude prefixes ========== 07:26:43 (1768307203)
lmv.lustre-clilmv-ffff9dbf865cc000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9dbf865cc000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9dbf865cc000.qos_exclude_prefixes=_temporary