diff mbox series

[2/4] io_uring/net: un-indent mshot retry path in io_recv_finish()

Message ID 20240129203025.3214152-3-axboe@kernel.dk (mailing list archive)
State New
Headers show
Series Limit multishot receive retries | expand

Commit Message

Jens Axboe Jan. 29, 2024, 8:23 p.m. UTC
In preparation for putting some retry logic in there, have the done
path just skip straight to the end rather than have too much nesting
in here.

No functional changes in this patch.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 io_uring/net.c | 36 ++++++++++++++++++++----------------
 1 file changed, 20 insertions(+), 16 deletions(-)
diff mbox series

Patch

diff --git a/io_uring/net.c b/io_uring/net.c
index 75d494dad7e2..740c6bfa5b59 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -645,23 +645,27 @@  static inline bool io_recv_finish(struct io_kiocb *req, int *ret,
 		return true;
 	}
 
-	if (!mshot_finished) {
-		if (io_fill_cqe_req_aux(req, issue_flags & IO_URING_F_COMPLETE_DEFER,
-					*ret, cflags | IORING_CQE_F_MORE)) {
-			io_recv_prep_retry(req);
-			/* Known not-empty or unknown state, retry */
-			if (cflags & IORING_CQE_F_SOCK_NONEMPTY ||
-			    msg->msg_inq == -1)
-				return false;
-			if (issue_flags & IO_URING_F_MULTISHOT)
-				*ret = IOU_ISSUE_SKIP_COMPLETE;
-			else
-				*ret = -EAGAIN;
-			return true;
-		}
-		/* Otherwise stop multishot but use the current result. */
-	}
+	if (mshot_finished)
+		goto finish;
 
+	/*
+	 * Fill CQE for this receive and see if we should keep trying to
+	 * receive from this socket.
+	 */
+	if (io_fill_cqe_req_aux(req, issue_flags & IO_URING_F_COMPLETE_DEFER,
+				*ret, cflags | IORING_CQE_F_MORE)) {
+		io_recv_prep_retry(req);
+		/* Known not-empty or unknown state, retry */
+		if (cflags & IORING_CQE_F_SOCK_NONEMPTY || msg->msg_inq == -1)
+			return false;
+		if (issue_flags & IO_URING_F_MULTISHOT)
+			*ret = IOU_ISSUE_SKIP_COMPLETE;
+		else
+			*ret = -EAGAIN;
+		return true;
+	}
+	/* Otherwise stop multishot but use the current result. */
+finish:
 	io_req_set_res(req, *ret, cflags);
 
 	if (issue_flags & IO_URING_F_MULTISHOT)