Re: [PATCH 1/1] blk-mq: remove the pointless call of list_entry_rq() in hctx_show_busy_rq()

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On 2020-04-27 06:12, Hou Tao wrote:
> And use rq directly.
> 
> Signed-off-by: Hou Tao <houtao1@xxxxxxxxxx>
> ---
>  block/blk-mq-debugfs.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
> index b3f2ba483992..7a79db81a63f 100644
> --- a/block/blk-mq-debugfs.c
> +++ b/block/blk-mq-debugfs.c
> @@ -400,8 +400,7 @@ static bool hctx_show_busy_rq(struct request *rq, void *data, bool reserved)
>  	const struct show_busy_params *params = data;
>  
>  	if (rq->mq_hctx == params->hctx)
> -		__blk_mq_debugfs_rq_show(params->m,
> -					 list_entry_rq(&rq->queuelist));
> +		__blk_mq_debugfs_rq_show(params->m, rq);
>  
>  	return true;
>  }

Reviewed-by: Bart Van Assche <bvanassche@xxxxxxx>



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