== sanity test 413k: QoS mkdir exclude prefixes ========== 21:10:28 (1773105028)
lmv.lustre-clilmv-ffff96f9f1a09000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff96f9f1a09000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff96f9f1a09000.qos_exclude_prefixes=_temporary