== sanity test 413k: QoS mkdir exclude prefixes ========== 14:40:13 (1786041613)
lmv.lustre-clilmv-ffff927d992be000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff927d992be000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff927d992be000.qos_exclude_prefixes=_temporary