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io_uring: add lockdep asserts to io_add_aux_cqe

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io_add_aux_cqe() can only be called for rings with uring_lock protected
completion queues, add a couple of assertions in regards to that.

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/c010eab7b94a187c00a9d46d8b67bf7fcad18af4.1746788592.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Pavel Begunkov 2025-05-09 12:03:43 +01:00 committed by Jens Axboe
parent 28b8cd864d
commit 81a22c86ec
1 changed files with 3 additions and 0 deletions
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3
io_uring/io_uring.c
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@ -848,6 +848,9 @@ bool io_post_aux_cqe(struct io_ring_ctx *ctx, u64 user_data, s32 res, u32 cflags
*/
void io_add_aux_cqe(struct io_ring_ctx *ctx, u64 user_data, s32 res, u32 cflags)
{
lockdep_assert_held(&ctx->uring_lock);
lockdep_assert(ctx->lockless_cq);
if (!io_fill_cqe_aux(ctx, user_data, res, cflags)) {
spin_lock(&ctx->completion_lock);
io_cqring_event_overflow(ctx, user_data, res, cflags, 0, 0);