io_uring: flush delayed fallback task_work in cancelation

Just like we run the inline task_work, ensure we also factor in and
run the fallback task_work.

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 951ff3b..805adeb 100644 (file)
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -3218,6 +3218,8 @@ static __cold bool io_uring_try_cancel_requests(struct io_ring_ctx *ctx,
        ret |= io_kill_timeouts(ctx, task, cancel_all);
        if (task)
                ret |= io_run_task_work() > 0;
+       else
+               ret |= flush_delayed_work(&ctx->fallback_work);
        return ret;
 }