rq_no_delay:1, rq_net_err:1, rq_wait_ctx:1,
rq_early:1, rq_must_unlink:1,
rq_fake:1, /* this fake req */
+ rq_memalloc:1, /* req originated from "kswapd" */
/* server-side flags */
rq_packed_final:1, /* packed final reply */
rq_hp:1, /* high priority RPC */