== sanity test 413k: QoS mkdir exclude prefixes ========== 15:25:04 (1780341904)
lmv.lustre-clilmv-ffff91d9513b0000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff91d9513b0000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff91d9513b0000.qos_exclude_prefixes=_temporary