diff mbox series

[for-next,v2,02/12] io_uring: improve io_double_lock_ctx fail handling

Message ID 4697f05afcc37df5c8f89e2fe6d9c7c19f0241f9.1670384893.git.asml.silence@gmail.com (mailing list archive)
State New
Headers show
Series CQ locking optimisation | expand

Commit Message

Pavel Begunkov Dec. 7, 2022, 3:53 a.m. UTC 
msg_ring will fail the request if it can't lock rings, instead punt it
to io-wq as was originally intended.

Cc: stable@vger.kernel.org
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
---
 io_uring/msg_ring.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/io_uring/msg_ring.c b/io_uring/msg_ring.c
index 615c85e164ab..c7d6586164ca 100644
--- a/io_uring/msg_ring.c
+++ b/io_uring/msg_ring.c
@@ -164,6 +164,8 @@  int io_msg_ring(struct io_kiocb *req, unsigned int issue_flags)
 	}
 
 done:
+	if (ret == -EAGAIN)
+		return -EAGAIN;
 	if (ret < 0)
 		req_set_fail(req);
 	io_req_set_res(req, ret, 0);