SUNRPC: get rid of the request wait queue

We're always _only_ waking up tasks from within the sp_threads list, so
we know that they are enqueued and alive. The rq_wait waitqueue is just
a distraction with extra atomic semantics.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

diff --cc include/linux/sunrpc/svc.h
Simple merge

diff --cc net/sunrpc/svc.c
Simple merge

diff --cc net/sunrpc/svc_xprt.c
Simple merge