== sanity test 413k: QoS mkdir exclude prefixes ========== 05:10:27 (1784193027)
lmv.lustre-clilmv-ffff9ff5927b0000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9ff5927b0000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9ff5927b0000.qos_exclude_prefixes=_temporary