io_uring: open code __io_post_aux_cqe()

There is no reason to keep __io_post_aux_cqe() separately from
io_post_aux_cqe().

Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/2c4c1f68d694deea25a212fc09bbb11f330cd82e.1742829388.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

io_uring/io_uring.c

@@ -834,24 +834,14 @@ static bool io_fill_cqe_aux(struct io_ring_ctx *ctx, u64 user_data, s32 res,
 	return false;
 }
 
-static bool __io_post_aux_cqe(struct io_ring_ctx *ctx, u64 user_data, s32 res,
-			      u32 cflags)
+bool io_post_aux_cqe(struct io_ring_ctx *ctx, u64 user_data, s32 res, u32 cflags)
 {
 	bool filled;
 
+	io_cq_lock(ctx);
 	filled = io_fill_cqe_aux(ctx, user_data, res, cflags);
 	if (!filled)
 		filled = io_cqring_event_overflow(ctx, user_data, res, cflags, 0, 0);
-
-	return filled;
-}
-
-bool io_post_aux_cqe(struct io_ring_ctx *ctx, u64 user_data, s32 res, u32 cflags)
-{
-	bool filled;
-
-	io_cq_lock(ctx);
-	filled = __io_post_aux_cqe(ctx, user_data, res, cflags);
 	io_cq_unlock_post(ctx);
 	return filled;
 }