Hi,
Don't hit the issue after apply your patch.
thanks
Ming Lei <ming.lei@xxxxxxxxxx> 于2023年5月10日周三 14:39写道：
>
> On Wed, May 10, 2023 at 12:05:07PM +0800, Guangwu Zhang wrote:
> > HI,
> > after apply your patch[1], the system will panic after reboot.
> >
>
> Maybe you can try the following patch?
>
> diff --git a/block/blk-mq.c b/block/blk-mq.c
> index f6dad0886a2f..d84174a7e997 100644
> --- a/block/blk-mq.c
> +++ b/block/blk-mq.c
> @@ -1303,7 +1303,7 @@ void blk_execute_rq_nowait(struct request *rq, bool at_head)
> * device, directly accessing the plug instead of using blk_mq_plug()
> * should not have any consequences.
> */
> - if (current->plug && !at_head) {
> + if (current->plug && !at_head && rq->bio) {
> blk_add_rq_to_plug(current->plug, rq);
> return;
> }
>
>
> thanks,
> Ming
>
--
Guangwu Zhang, RHCE, ISTQB, ITIL
Quality Engineer, Kernel Storage QE
Red Hat
