Merge branch 'tcp-io_uring-zc-opts'

Merge branch 'tcp-io_uring-zc-opts'

Pavel Begunkov says:

====================
minor tcp io_uring zc optimisations

Patch 1 is a simple cleanup, patch 2 gives removes 2 atomics from the
io_uring zc TCP submission path, which yielded extra 0.5% for my
throughput CPU bound tests based on liburing/examples/send-zerocopy.c
====================

Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>