== sanity test 413k: QoS mkdir exclude prefixes ========== 23:26:40 (1775878000)
lmv.lustre-clilmv-ffff8e02ef5a7800.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff8e02ef5a7800.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff8e02ef5a7800.qos_exclude_prefixes=_temporary