== sanity test 413k: QoS mkdir exclude prefixes ========== 19:50:56 (1763340656)
lmv.lustre-clilmv-ffff8d8210776000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8d8210776000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8d8210776000.qos_exclude_prefixes=_temporary