Re: [PATCH v8 17/18] scsi: megaraid_sas: Added support for shared host tagset for cpuhotplug

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>
> Can this issue disappear by applying the following change?
This change fixes the issue for me.

Qian,
Please try after applying changes suggested by Ming.

Thanks,
Sumit
>
> diff --git a/block/blk-flush.c b/block/blk-flush.c
> index e32958f0b687..b1fe6176d77f 100644
> --- a/block/blk-flush.c
> +++ b/block/blk-flush.c
> @@ -469,9 +469,6 @@ struct blk_flush_queue *blk_alloc_flush_queue(int node, int cmd_size,
>         INIT_LIST_HEAD(&fq->flush_queue[1]);
>         INIT_LIST_HEAD(&fq->flush_data_in_flight);
>
> -       lockdep_register_key(&fq->key);
> -       lockdep_set_class(&fq->mq_flush_lock, &fq->key);
> -
>         return fq;
>
>   fail_rq:
> @@ -486,7 +483,6 @@ void blk_free_flush_queue(struct blk_flush_queue *fq)
>         if (!fq)
>                 return;
>
> -       lockdep_unregister_key(&fq->key);
>         kfree(fq->flush_rq);
>         kfree(fq);
>  }
>
>
> Thanks,
> Ming
>



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