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

[Bart Van Assche <Bart.VanAssche@xxxxxxx>]

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.