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 fea84e5..03051e1 100644 (file)
--- 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++;
 
        /*