From: Dylan Yudaken <dylany@meta.com>
Date: Thu, 24 Nov 2022 09:35:57 +0000 (-0800)
Subject: io_uring: add lockdep assertion in io_fill_cqe_aux
X-Git-Tag: for-6.2/io_uring-2022-12-08~6
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=2e2ef4a1dab980d88a1ab45bf0e28c8851999e33;p=linux-block.git

io_uring: add lockdep assertion in io_fill_cqe_aux

Add an assertion for the completion lock to io_fill_cqe_aux

Signed-off-by: Dylan Yudaken <dylany@meta.com>
Link: https://lore.kernel.org/r/20221124093559.3780686-8-dylany@meta.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index fea84e51e56f..03051e1fa02e 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -775,6 +775,8 @@ static bool io_fill_cqe_aux(struct io_ring_ctx *ctx, u64 user_data, s32 res, u32
 {
 	struct io_uring_cqe *cqe;
 
+	lockdep_assert_held(&ctx->completion_lock);
+
 	ctx->cq_extra++;
 
 	/*