Commit 014db007 authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring: remove @nxt from handlers 



There will be no use for @nxt in the handlers, and it's doesn't work
anyway, so purge it

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 594506fe

fs/io_uring.c

+86 −118
Original line number Diff line number Diff line
@@ -1804,17 +1804,6 @@ static void io_complete_rw(struct kiocb *kiocb, long res, long res2) 
	io_put_req(req);

}



static struct io_kiocb *__io_complete_rw(struct kiocb *kiocb, long res)

{

	struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb);

	struct io_kiocb *nxt = NULL;



	io_complete_rw_common(kiocb, res);

	io_put_req_find_next(req, &nxt);



	return nxt;

}



static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2)

{

	struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb);
@@ -2009,14 +1998,14 @@ static inline void io_rw_done(struct kiocb *kiocb, ssize_t ret) 
	}

}



static void kiocb_done(struct kiocb *kiocb, ssize_t ret, struct io_kiocb **nxt)

static void kiocb_done(struct kiocb *kiocb, ssize_t ret)

{

	struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb);



	if (req->flags & REQ_F_CUR_POS)

		req->file->f_pos = kiocb->ki_pos;

	if (ret >= 0 && kiocb->ki_complete == io_complete_rw)

		*nxt = __io_complete_rw(kiocb, ret);

		io_complete_rw(kiocb, ret, 0);

	else

		io_rw_done(kiocb, ret);

}
@@ -2265,8 +2254,7 @@ static int io_read_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
	return 0;

}



static int io_read(struct io_kiocb *req, struct io_kiocb **nxt,

		   bool force_nonblock)

static int io_read(struct io_kiocb *req, bool force_nonblock)

{

	struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs;

	struct kiocb *kiocb = &req->rw.kiocb;
@@ -2306,7 +2294,7 @@ static int io_read(struct io_kiocb *req, struct io_kiocb **nxt, 


		/* Catch -EAGAIN return for forced non-blocking submission */

		if (!force_nonblock || ret2 != -EAGAIN) {

			kiocb_done(kiocb, ret2, nxt);

			kiocb_done(kiocb, ret2);

		} else {

copy_iov:

			ret = io_setup_async_rw(req, io_size, iovec,
@@ -2355,8 +2343,7 @@ static int io_write_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
	return 0;

}



static int io_write(struct io_kiocb *req, struct io_kiocb **nxt,

		    bool force_nonblock)

static int io_write(struct io_kiocb *req, bool force_nonblock)

{

	struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs;

	struct kiocb *kiocb = &req->rw.kiocb;
@@ -2420,7 +2407,7 @@ static int io_write(struct io_kiocb *req, struct io_kiocb **nxt, 
		if (ret2 == -EOPNOTSUPP && (kiocb->ki_flags & IOCB_NOWAIT))

			ret2 = -EAGAIN;

		if (!force_nonblock || ret2 != -EAGAIN) {

			kiocb_done(kiocb, ret2, nxt);

			kiocb_done(kiocb, ret2);

		} else {

copy_iov:

			ret = io_setup_async_rw(req, io_size, iovec,
@@ -2477,8 +2464,7 @@ static bool io_splice_punt(struct file *file) 
	return !(file->f_mode & O_NONBLOCK);

}



static int io_splice(struct io_kiocb *req, struct io_kiocb **nxt,

		     bool force_nonblock)

static int io_splice(struct io_kiocb *req, bool force_nonblock)

{

	struct io_splice *sp = &req->splice;

	struct file *in = sp->file_in;
@@ -2505,7 +2491,7 @@ static int io_splice(struct io_kiocb *req, struct io_kiocb **nxt, 
	io_cqring_add_event(req, ret);

	if (ret != sp->len)

		req_set_fail_links(req);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

}
@@ -2578,7 +2564,7 @@ static void io_wq_assign_next(struct io_wq_work **workptr, struct io_kiocb *nxt) 
	}

}



static void __io_fsync(struct io_kiocb *req, struct io_kiocb **nxt)

static void __io_fsync(struct io_kiocb *req)

{

	loff_t end = req->sync.off + req->sync.len;

	int ret;
@@ -2589,7 +2575,7 @@ static void __io_fsync(struct io_kiocb *req, struct io_kiocb **nxt) 
	if (ret < 0)

		req_set_fail_links(req);

	io_cqring_add_event(req, ret);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

}



static void io_fsync_finish(struct io_wq_work **workptr)
@@ -2599,25 +2585,24 @@ static void io_fsync_finish(struct io_wq_work **workptr) 


	if (io_req_cancelled(req))

		return;

	__io_fsync(req, &nxt);

	__io_fsync(req);

	io_put_req(req); /* drop submission reference */

	if (nxt)

		io_wq_assign_next(workptr, nxt);

}



static int io_fsync(struct io_kiocb *req, struct io_kiocb **nxt,

		    bool force_nonblock)

static int io_fsync(struct io_kiocb *req, bool force_nonblock)

{

	/* fsync always requires a blocking context */

	if (force_nonblock) {

		req->work.func = io_fsync_finish;

		return -EAGAIN;

	}

	__io_fsync(req, nxt);

	__io_fsync(req);

	return 0;

}



static void __io_fallocate(struct io_kiocb *req, struct io_kiocb **nxt)

static void __io_fallocate(struct io_kiocb *req)

{

	int ret;
@@ -2626,7 +2611,7 @@ static void __io_fallocate(struct io_kiocb *req, struct io_kiocb **nxt) 
	if (ret < 0)

		req_set_fail_links(req);

	io_cqring_add_event(req, ret);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

}



static void io_fallocate_finish(struct io_wq_work **workptr)
@@ -2636,7 +2621,7 @@ static void io_fallocate_finish(struct io_wq_work **workptr) 


	if (io_req_cancelled(req))

		return;

	__io_fallocate(req, &nxt);

	__io_fallocate(req);

	io_put_req(req); /* drop submission reference */

	if (nxt)

		io_wq_assign_next(workptr, nxt);
@@ -2654,8 +2639,7 @@ static int io_fallocate_prep(struct io_kiocb *req, 
	return 0;

}



static int io_fallocate(struct io_kiocb *req, struct io_kiocb **nxt,

			bool force_nonblock)

static int io_fallocate(struct io_kiocb *req, bool force_nonblock)

{

	/* fallocate always requiring blocking context */

	if (force_nonblock) {
@@ -2663,7 +2647,7 @@ static int io_fallocate(struct io_kiocb *req, struct io_kiocb **nxt, 
		return -EAGAIN;

	}



	__io_fallocate(req, nxt);

	__io_fallocate(req);

	return 0;

}
@@ -2736,8 +2720,7 @@ static int io_openat2_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) 
	return 0;

}



static int io_openat2(struct io_kiocb *req, struct io_kiocb **nxt,

		      bool force_nonblock)

static int io_openat2(struct io_kiocb *req, bool force_nonblock)

{

	struct open_flags op;

	struct file *file;
@@ -2768,15 +2751,14 @@ err: 
	if (ret < 0)

		req_set_fail_links(req);

	io_cqring_add_event(req, ret);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

}



static int io_openat(struct io_kiocb *req, struct io_kiocb **nxt,

		     bool force_nonblock)

static int io_openat(struct io_kiocb *req, bool force_nonblock)

{

	req->open.how = build_open_how(req->open.how.flags, req->open.how.mode);

	return io_openat2(req, nxt, force_nonblock);

	return io_openat2(req, force_nonblock);

}



static int io_epoll_ctl_prep(struct io_kiocb *req,
@@ -2804,8 +2786,7 @@ static int io_epoll_ctl_prep(struct io_kiocb *req, 
#endif

}



static int io_epoll_ctl(struct io_kiocb *req, struct io_kiocb **nxt,

			bool force_nonblock)

static int io_epoll_ctl(struct io_kiocb *req, bool force_nonblock)

{

#if defined(CONFIG_EPOLL)

	struct io_epoll *ie = &req->epoll;
@@ -2818,7 +2799,7 @@ static int io_epoll_ctl(struct io_kiocb *req, struct io_kiocb **nxt, 
	if (ret < 0)

		req_set_fail_links(req);

	io_cqring_add_event(req, ret);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

#else

	return -EOPNOTSUPP;
@@ -2840,8 +2821,7 @@ static int io_madvise_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) 
#endif

}



static int io_madvise(struct io_kiocb *req, struct io_kiocb **nxt,

		      bool force_nonblock)

static int io_madvise(struct io_kiocb *req, bool force_nonblock)

{

#if defined(CONFIG_ADVISE_SYSCALLS) && defined(CONFIG_MMU)

	struct io_madvise *ma = &req->madvise;
@@ -2854,7 +2834,7 @@ static int io_madvise(struct io_kiocb *req, struct io_kiocb **nxt, 
	if (ret < 0)

		req_set_fail_links(req);

	io_cqring_add_event(req, ret);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

#else

	return -EOPNOTSUPP;
@@ -2872,8 +2852,7 @@ static int io_fadvise_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) 
	return 0;

}



static int io_fadvise(struct io_kiocb *req, struct io_kiocb **nxt,

		      bool force_nonblock)

static int io_fadvise(struct io_kiocb *req, bool force_nonblock)

{

	struct io_fadvise *fa = &req->fadvise;

	int ret;
@@ -2893,7 +2872,7 @@ static int io_fadvise(struct io_kiocb *req, struct io_kiocb **nxt, 
	if (ret < 0)

		req_set_fail_links(req);

	io_cqring_add_event(req, ret);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

}
@@ -2930,8 +2909,7 @@ static int io_statx_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) 
	return 0;

}



static int io_statx(struct io_kiocb *req, struct io_kiocb **nxt,

		    bool force_nonblock)

static int io_statx(struct io_kiocb *req, bool force_nonblock)

{

	struct io_open *ctx = &req->open;

	unsigned lookup_flags;
@@ -2968,7 +2946,7 @@ err: 
	if (ret < 0)

		req_set_fail_links(req);

	io_cqring_add_event(req, ret);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

}
@@ -2995,7 +2973,7 @@ static int io_close_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) 
}



/* only called when __close_fd_get_file() is done */

static void __io_close_finish(struct io_kiocb *req, struct io_kiocb **nxt)

static void __io_close_finish(struct io_kiocb *req)

{

	int ret;
@@ -3004,7 +2982,7 @@ static void __io_close_finish(struct io_kiocb *req, struct io_kiocb **nxt) 
		req_set_fail_links(req);

	io_cqring_add_event(req, ret);

	fput(req->close.put_file);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

}



static void io_close_finish(struct io_wq_work **workptr)
@@ -3013,14 +2991,13 @@ static void io_close_finish(struct io_wq_work **workptr) 
	struct io_kiocb *nxt = NULL;



	/* not cancellable, don't do io_req_cancelled() */

	__io_close_finish(req, &nxt);

	__io_close_finish(req);

	io_put_req(req); /* drop submission reference */

	if (nxt)

		io_wq_assign_next(workptr, nxt);

}



static int io_close(struct io_kiocb *req, struct io_kiocb **nxt,

		    bool force_nonblock)

static int io_close(struct io_kiocb *req, bool force_nonblock)

{

	int ret;
@@ -3048,7 +3025,7 @@ static int io_close(struct io_kiocb *req, struct io_kiocb **nxt, 
	 * No ->flush(), safely close from here and just punt the

	 * fput() to async context.

	 */

	__io_close_finish(req, nxt);

	__io_close_finish(req);

	return 0;

}
@@ -3070,7 +3047,7 @@ static int io_prep_sfr(struct io_kiocb *req, const struct io_uring_sqe *sqe) 
	return 0;

}



static void __io_sync_file_range(struct io_kiocb *req, struct io_kiocb **nxt)

static void __io_sync_file_range(struct io_kiocb *req)

{

	int ret;
@@ -3079,7 +3056,7 @@ static void __io_sync_file_range(struct io_kiocb *req, struct io_kiocb **nxt) 
	if (ret < 0)

		req_set_fail_links(req);

	io_cqring_add_event(req, ret);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

}
@@ -3090,14 +3067,13 @@ static void io_sync_file_range_finish(struct io_wq_work **workptr) 


	if (io_req_cancelled(req))

		return;

	__io_sync_file_range(req, &nxt);

	__io_sync_file_range(req);

	io_put_req(req); /* put submission ref */

	if (nxt)

		io_wq_assign_next(workptr, nxt);

}



static int io_sync_file_range(struct io_kiocb *req, struct io_kiocb **nxt,

			      bool force_nonblock)

static int io_sync_file_range(struct io_kiocb *req, bool force_nonblock)

{

	/* sync_file_range always requires a blocking context */

	if (force_nonblock) {
@@ -3105,7 +3081,7 @@ static int io_sync_file_range(struct io_kiocb *req, struct io_kiocb **nxt, 
		return -EAGAIN;

	}



	__io_sync_file_range(req, nxt);

	__io_sync_file_range(req);

	return 0;

}
@@ -3157,8 +3133,7 @@ static int io_sendmsg_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) 
#endif

}



static int io_sendmsg(struct io_kiocb *req, struct io_kiocb **nxt,

		      bool force_nonblock)

static int io_sendmsg(struct io_kiocb *req, bool force_nonblock)

{

#if defined(CONFIG_NET)

	struct io_async_msghdr *kmsg = NULL;
@@ -3212,15 +3187,14 @@ static int io_sendmsg(struct io_kiocb *req, struct io_kiocb **nxt, 
	io_cqring_add_event(req, ret);

	if (ret < 0)

		req_set_fail_links(req);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

#else

	return -EOPNOTSUPP;

#endif

}



static int io_send(struct io_kiocb *req, struct io_kiocb **nxt,

		   bool force_nonblock)

static int io_send(struct io_kiocb *req, bool force_nonblock)

{

#if defined(CONFIG_NET)

	struct socket *sock;
@@ -3263,7 +3237,7 @@ static int io_send(struct io_kiocb *req, struct io_kiocb **nxt, 
	io_cqring_add_event(req, ret);

	if (ret < 0)

		req_set_fail_links(req);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

#else

	return -EOPNOTSUPP;
@@ -3304,8 +3278,7 @@ static int io_recvmsg_prep(struct io_kiocb *req, 
#endif

}



static int io_recvmsg(struct io_kiocb *req, struct io_kiocb **nxt,

		      bool force_nonblock)

static int io_recvmsg(struct io_kiocb *req, bool force_nonblock)

{

#if defined(CONFIG_NET)

	struct io_async_msghdr *kmsg = NULL;
@@ -3361,15 +3334,14 @@ static int io_recvmsg(struct io_kiocb *req, struct io_kiocb **nxt, 
	io_cqring_add_event(req, ret);

	if (ret < 0)

		req_set_fail_links(req);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

#else

	return -EOPNOTSUPP;

#endif

}



static int io_recv(struct io_kiocb *req, struct io_kiocb **nxt,

		   bool force_nonblock)

static int io_recv(struct io_kiocb *req, bool force_nonblock)

{

#if defined(CONFIG_NET)

	struct socket *sock;
@@ -3413,7 +3385,7 @@ static int io_recv(struct io_kiocb *req, struct io_kiocb **nxt, 
	io_cqring_add_event(req, ret);

	if (ret < 0)

		req_set_fail_links(req);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

#else

	return -EOPNOTSUPP;
@@ -3441,8 +3413,7 @@ static int io_accept_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) 
}



#if defined(CONFIG_NET)

static int __io_accept(struct io_kiocb *req, struct io_kiocb **nxt,

		       bool force_nonblock)

static int __io_accept(struct io_kiocb *req, bool force_nonblock)

{

	struct io_accept *accept = &req->accept;

	unsigned file_flags;
@@ -3458,7 +3429,7 @@ static int __io_accept(struct io_kiocb *req, struct io_kiocb **nxt, 
	if (ret < 0)

		req_set_fail_links(req);

	io_cqring_add_event(req, ret);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

}
@@ -3469,20 +3440,19 @@ static void io_accept_finish(struct io_wq_work **workptr) 


	if (io_req_cancelled(req))

		return;

	__io_accept(req, &nxt, false);

	__io_accept(req, false);

	io_put_req(req); /* drop submission reference */

	if (nxt)

		io_wq_assign_next(workptr, nxt);

}

#endif



static int io_accept(struct io_kiocb *req, struct io_kiocb **nxt,

		     bool force_nonblock)

static int io_accept(struct io_kiocb *req, bool force_nonblock)

{

#if defined(CONFIG_NET)

	int ret;



	ret = __io_accept(req, nxt, force_nonblock);

	ret = __io_accept(req, force_nonblock);

	if (ret == -EAGAIN && force_nonblock) {

		req->work.func = io_accept_finish;

		return -EAGAIN;
@@ -3517,8 +3487,7 @@ static int io_connect_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) 
#endif

}



static int io_connect(struct io_kiocb *req, struct io_kiocb **nxt,

		      bool force_nonblock)

static int io_connect(struct io_kiocb *req, bool force_nonblock)

{

#if defined(CONFIG_NET)

	struct io_async_ctx __io, *io;
@@ -3556,7 +3525,7 @@ out: 
	if (ret < 0)

		req_set_fail_links(req);

	io_cqring_add_event(req, ret);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

	return 0;

#else

	return -EOPNOTSUPP;
@@ -3953,7 +3922,7 @@ static int io_poll_add_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe 
	return 0;

}



static int io_poll_add(struct io_kiocb *req, struct io_kiocb **nxt)

static int io_poll_add(struct io_kiocb *req)

{

	struct io_poll_iocb *poll = &req->poll;

	struct io_ring_ctx *ctx = req->ctx;
@@ -3975,7 +3944,7 @@ static int io_poll_add(struct io_kiocb *req, struct io_kiocb **nxt) 


	if (mask) {

		io_cqring_ev_posted(ctx);

		io_put_req_find_next(req, nxt);

		io_put_req(req);

	}

	return ipt.error;

}
@@ -4224,7 +4193,7 @@ static int io_async_cancel_one(struct io_ring_ctx *ctx, void *sqe_addr) 


static void io_async_find_and_cancel(struct io_ring_ctx *ctx,

				     struct io_kiocb *req, __u64 sqe_addr,

				     struct io_kiocb **nxt, int success_ret)

				     int success_ret)

{

	unsigned long flags;

	int ret;
@@ -4250,7 +4219,7 @@ done: 


	if (ret < 0)

		req_set_fail_links(req);

	io_put_req_find_next(req, nxt);

	io_put_req(req);

}



static int io_async_cancel_prep(struct io_kiocb *req,
@@ -4266,11 +4235,11 @@ static int io_async_cancel_prep(struct io_kiocb *req, 
	return 0;

}



static int io_async_cancel(struct io_kiocb *req, struct io_kiocb **nxt)

static int io_async_cancel(struct io_kiocb *req)

{

	struct io_ring_ctx *ctx = req->ctx;



	io_async_find_and_cancel(ctx, req, req->cancel.addr, nxt, 0);

	io_async_find_and_cancel(ctx, req, req->cancel.addr, 0);

	return 0;

}
@@ -4477,7 +4446,7 @@ static void io_cleanup_req(struct io_kiocb *req) 
}



static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe,

			struct io_kiocb **nxt, bool force_nonblock)

			bool force_nonblock)

{

	struct io_ring_ctx *ctx = req->ctx;

	int ret;
@@ -4494,7 +4463,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret < 0)

				break;

		}

		ret = io_read(req, nxt, force_nonblock);

		ret = io_read(req, force_nonblock);

		break;

	case IORING_OP_WRITEV:

	case IORING_OP_WRITE_FIXED:
@@ -4504,7 +4473,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret < 0)

				break;

		}

		ret = io_write(req, nxt, force_nonblock);

		ret = io_write(req, force_nonblock);

		break;

	case IORING_OP_FSYNC:

		if (sqe) {
@@ -4512,7 +4481,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret < 0)

				break;

		}

		ret = io_fsync(req, nxt, force_nonblock);

		ret = io_fsync(req, force_nonblock);

		break;

	case IORING_OP_POLL_ADD:

		if (sqe) {
@@ -4520,7 +4489,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_poll_add(req, nxt);

		ret = io_poll_add(req);

		break;

	case IORING_OP_POLL_REMOVE:

		if (sqe) {
@@ -4536,7 +4505,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret < 0)

				break;

		}

		ret = io_sync_file_range(req, nxt, force_nonblock);

		ret = io_sync_file_range(req, force_nonblock);

		break;

	case IORING_OP_SENDMSG:

	case IORING_OP_SEND:
@@ -4546,9 +4515,9 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
				break;

		}

		if (req->opcode == IORING_OP_SENDMSG)

			ret = io_sendmsg(req, nxt, force_nonblock);

			ret = io_sendmsg(req, force_nonblock);

		else

			ret = io_send(req, nxt, force_nonblock);

			ret = io_send(req, force_nonblock);

		break;

	case IORING_OP_RECVMSG:

	case IORING_OP_RECV:
@@ -4558,9 +4527,9 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
				break;

		}

		if (req->opcode == IORING_OP_RECVMSG)

			ret = io_recvmsg(req, nxt, force_nonblock);

			ret = io_recvmsg(req, force_nonblock);

		else

			ret = io_recv(req, nxt, force_nonblock);

			ret = io_recv(req, force_nonblock);

		break;

	case IORING_OP_TIMEOUT:

		if (sqe) {
@@ -4584,7 +4553,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_accept(req, nxt, force_nonblock);

		ret = io_accept(req, force_nonblock);

		break;

	case IORING_OP_CONNECT:

		if (sqe) {
@@ -4592,7 +4561,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_connect(req, nxt, force_nonblock);

		ret = io_connect(req, force_nonblock);

		break;

	case IORING_OP_ASYNC_CANCEL:

		if (sqe) {
@@ -4600,7 +4569,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_async_cancel(req, nxt);

		ret = io_async_cancel(req);

		break;

	case IORING_OP_FALLOCATE:

		if (sqe) {
@@ -4608,7 +4577,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_fallocate(req, nxt, force_nonblock);

		ret = io_fallocate(req, force_nonblock);

		break;

	case IORING_OP_OPENAT:

		if (sqe) {
@@ -4616,7 +4585,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_openat(req, nxt, force_nonblock);

		ret = io_openat(req, force_nonblock);

		break;

	case IORING_OP_CLOSE:

		if (sqe) {
@@ -4624,7 +4593,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_close(req, nxt, force_nonblock);

		ret = io_close(req, force_nonblock);

		break;

	case IORING_OP_FILES_UPDATE:

		if (sqe) {
@@ -4640,7 +4609,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_statx(req, nxt, force_nonblock);

		ret = io_statx(req, force_nonblock);

		break;

	case IORING_OP_FADVISE:

		if (sqe) {
@@ -4648,7 +4617,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_fadvise(req, nxt, force_nonblock);

		ret = io_fadvise(req, force_nonblock);

		break;

	case IORING_OP_MADVISE:

		if (sqe) {
@@ -4656,7 +4625,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_madvise(req, nxt, force_nonblock);

		ret = io_madvise(req, force_nonblock);

		break;

	case IORING_OP_OPENAT2:

		if (sqe) {
@@ -4664,7 +4633,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_openat2(req, nxt, force_nonblock);

		ret = io_openat2(req, force_nonblock);

		break;

	case IORING_OP_EPOLL_CTL:

		if (sqe) {
@@ -4672,7 +4641,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret)

				break;

		}

		ret = io_epoll_ctl(req, nxt, force_nonblock);

		ret = io_epoll_ctl(req, force_nonblock);

		break;

	case IORING_OP_SPLICE:

		if (sqe) {
@@ -4680,7 +4649,7 @@ static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe, 
			if (ret < 0)

				break;

		}

		ret = io_splice(req, nxt, force_nonblock);

		ret = io_splice(req, force_nonblock);

		break;

	default:

		ret = -EINVAL;
@@ -4724,7 +4693,7 @@ static void io_wq_submit_work(struct io_wq_work **workptr) 


	if (!ret) {

		do {

			ret = io_issue_sqe(req, NULL, &nxt, false);

			ret = io_issue_sqe(req, NULL, false);

			/*

			 * We can get EAGAIN for polled IO even though we're

			 * forcing a sync submission from here, since we can't
@@ -4870,8 +4839,7 @@ static enum hrtimer_restart io_link_timeout_fn(struct hrtimer *timer) 


	if (prev) {

		req_set_fail_links(prev);

		io_async_find_and_cancel(ctx, req, prev->user_data, NULL,

						-ETIME);

		io_async_find_and_cancel(ctx, req, prev->user_data, -ETIME);

		io_put_req(prev);

	} else {

		io_cqring_add_event(req, -ETIME);
@@ -4940,7 +4908,7 @@ again: 
			old_creds = override_creds(req->work.creds);

	}



	ret = io_issue_sqe(req, sqe, &nxt, true);

	ret = io_issue_sqe(req, sqe, true);



	/*

	 * We async punt it if the file wasn't marked NOWAIT, or if the file

CRA Git | Maintained and supported by SUSTech CRA and CCSE