== sanity test 413k: QoS mkdir exclude prefixes ========== 23:27:15 (1784086035)
lmv.lustre-clilmv-ffff9972eaa6c000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff9972eaa6c000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff9972eaa6c000.qos_exclude_prefixes=_temporary