From: YueHaibing <yuehaibing@xxxxxxxxxx> If CONFIG_NET is not set, gcc warns: fs/io_uring.c:3110:12: warning: io_setup_async_msg defined but not used [-Wunused-function] static int io_setup_async_msg(struct io_kiocb *req, ^~~~~~~~~~~~~~~~~~ There are many funcions wraped by CONFIG_NET, move them together to simplify code, also fix this warning. Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> Minor tweaks. Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> --- fs/io_uring.c | 94 ++++++++++++++++++++++++++++----------------------- 1 file changed, 52 insertions(+), 42 deletions(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index f8a3f6843698..83439cf9f5e7 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -3485,6 +3485,7 @@ static int io_sync_file_range(struct io_kiocb *req, bool force_nonblock) return 0; } +#if defined(CONFIG_NET) static int io_setup_async_msg(struct io_kiocb *req, struct io_async_msghdr *kmsg) { @@ -3502,7 +3503,6 @@ static int io_setup_async_msg(struct io_kiocb *req, static int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { -#if defined(CONFIG_NET) struct io_sr_msg *sr = &req->sr_msg; struct io_async_ctx *io = req->io; int ret; @@ -3528,14 +3528,10 @@ static int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) if (!ret) req->flags |= REQ_F_NEED_CLEANUP; return ret; -#else - return -EOPNOTSUPP; -#endif } static int io_sendmsg(struct io_kiocb *req, bool force_nonblock) { -#if defined(CONFIG_NET) struct io_async_msghdr *kmsg = NULL; struct socket *sock; int ret; @@ -3589,14 +3585,10 @@ static int io_sendmsg(struct io_kiocb *req, bool force_nonblock) req_set_fail_links(req); io_put_req(req); return 0; -#else - return -EOPNOTSUPP; -#endif } static int io_send(struct io_kiocb *req, bool force_nonblock) { -#if defined(CONFIG_NET) struct socket *sock; int ret; @@ -3639,9 +3631,6 @@ static int io_send(struct io_kiocb *req, bool force_nonblock) req_set_fail_links(req); io_put_req(req); return 0; -#else - return -EOPNOTSUPP; -#endif } static int __io_recvmsg_copy_hdr(struct io_kiocb *req, struct io_async_ctx *io) @@ -3754,7 +3743,6 @@ static struct io_buffer *io_recv_buffer_select(struct io_kiocb *req, static int io_recvmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { -#if defined(CONFIG_NET) struct io_sr_msg *sr = &req->sr_msg; struct io_async_ctx *io = req->io; int ret; @@ -3779,14 +3767,10 @@ static int io_recvmsg_prep(struct io_kiocb *req, if (!ret) req->flags |= REQ_F_NEED_CLEANUP; return ret; -#else - return -EOPNOTSUPP; -#endif } static int io_recvmsg(struct io_kiocb *req, bool force_nonblock) { -#if defined(CONFIG_NET) struct io_async_msghdr *kmsg = NULL; struct socket *sock; int ret, cflags = 0; @@ -3847,14 +3831,10 @@ static int io_recvmsg(struct io_kiocb *req, bool force_nonblock) req_set_fail_links(req); io_put_req(req); return 0; -#else - return -EOPNOTSUPP; -#endif } static int io_recv(struct io_kiocb *req, bool force_nonblock) { -#if defined(CONFIG_NET) struct io_buffer *kbuf = NULL; struct socket *sock; int ret, cflags = 0; @@ -3911,15 +3891,10 @@ static int io_recv(struct io_kiocb *req, bool force_nonblock) req_set_fail_links(req); io_put_req(req); return 0; -#else - return -EOPNOTSUPP; -#endif } - static int io_accept_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { -#if defined(CONFIG_NET) struct io_accept *accept = &req->accept; if (unlikely(req->ctx->flags & (IORING_SETUP_IOPOLL|IORING_SETUP_SQPOLL))) @@ -3931,12 +3906,8 @@ static int io_accept_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) accept->addr_len = u64_to_user_ptr(READ_ONCE(sqe->addr2)); accept->flags = READ_ONCE(sqe->accept_flags); return 0; -#else - return -EOPNOTSUPP; -#endif } -#if defined(CONFIG_NET) static int __io_accept(struct io_kiocb *req, bool force_nonblock) { struct io_accept *accept = &req->accept; @@ -3966,11 +3937,9 @@ static void io_accept_finish(struct io_wq_work **workptr) __io_accept(req, false); io_steal_work(req, workptr); } -#endif static int io_accept(struct io_kiocb *req, bool force_nonblock) { -#if defined(CONFIG_NET) int ret; ret = __io_accept(req, force_nonblock); @@ -3979,14 +3948,10 @@ static int io_accept(struct io_kiocb *req, bool force_nonblock) return -EAGAIN; } return 0; -#else - return -EOPNOTSUPP; -#endif } static int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { -#if defined(CONFIG_NET) struct io_connect *conn = &req->connect; struct io_async_ctx *io = req->io; @@ -4003,14 +3968,10 @@ static int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) return move_addr_to_kernel(conn->addr, conn->addr_len, &io->connect.address); -#else - return -EOPNOTSUPP; -#endif } static int io_connect(struct io_kiocb *req, bool force_nonblock) { -#if defined(CONFIG_NET) struct io_async_ctx __io, *io; unsigned file_flags; int ret; @@ -4048,10 +4009,59 @@ static int io_connect(struct io_kiocb *req, bool force_nonblock) io_cqring_add_event(req, ret); io_put_req(req); return 0; -#else +} +#else /* !CONFIG_NET */ +static int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) +{ + return -EOPNOTSUPP; +} + +static int io_sendmsg(struct io_kiocb *req, bool force_nonblock) +{ + return -EOPNOTSUPP; +} + +static int io_send(struct io_kiocb *req, bool force_nonblock) +{ + return -EOPNOTSUPP; +} + +static int io_recvmsg_prep(struct io_kiocb *req, + const struct io_uring_sqe *sqe) +{ + return -EOPNOTSUPP; +} + +static int io_recvmsg(struct io_kiocb *req, bool force_nonblock) +{ + return -EOPNOTSUPP; +} + +static int io_recv(struct io_kiocb *req, bool force_nonblock) +{ + return -EOPNOTSUPP; +} + +static int io_accept_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) +{ + return -EOPNOTSUPP; +} + +static int io_accept(struct io_kiocb *req, bool force_nonblock) +{ + return -EOPNOTSUPP; +} + +static int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) +{ + return -EOPNOTSUPP; +} + +static int io_connect(struct io_kiocb *req, bool force_nonblock) +{ return -EOPNOTSUPP; -#endif } +#endif /* CONFIG_NET */ struct io_poll_table { struct poll_table_struct pt; -- 2.25.1