Re: [PATCH 4/6] blk-mq: make blk_abort_request() trigger timeout path

[Bart Van Assche]

On Tue, 2017-12-12 at 11:01 -0800, Tejun Heo wrote:
>  void blk_abort_request(struct request *req)
>  {
> -     if (blk_mark_rq_complete(req))
> -             return;
>  
>       if (req->q->mq_ops) {
> -             blk_mq_rq_timed_out(req, false);
> +             req->deadline = jiffies;
> +             mod_timer(&req->q->timeout, 0);
>       } else {
> +             if (blk_mark_rq_complete(req))
> +                     return;
>               blk_delete_timer(req);
>               blk_rq_timed_out(req);
>       }

This patch makes blk_abort_request() asynchronous for blk-mq. Have all callers
been audited to verify whether this change is safe?

Thanks,

Bart.