== sanity test 413k: QoS mkdir exclude prefixes ========== 13:30:33 (1752514233)
lmv.lustre-clilmv-ffff891d4c9a3000.qos_exclude_prefixes=+abc:123:foo bar
lmv.lustre-clilmv-ffff891d4c9a3000.qos_exclude_prefixes=-abc:123:foo bar
lmv.lustre-clilmv-ffff891d4c9a3000.qos_exclude_prefixes=_temporary