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Date:   Tue, 1 Mar 2022 05:31:59 -0800
From:   Christoph Hellwig <hch@infradead.org>
To:     Ming Lei <ming.lei@redhat.com>
Cc:     Jens Axboe <axboe@kernel.dk>, linux-block@vger.kernel.org,
        Yu Kuai <yukuai3@huawei.com>
Subject: Re: [PATCH 3/6] blk-mq: re-config poll after queue map is changed
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References: <20220228090430.1064267-1-ming.lei@redhat.com>
 <20220228090430.1064267-4-ming.lei@redhat.com>
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On Mon, Feb 28, 2022 at 05:04:27PM +0800, Ming Lei wrote:
> queue map can be changed when updating nr_hw_queues, so we need to
> re-config queue's poll capability. Add one helper for doing this job.

s/re-config/reconfigure/g

> +static void blk_mq_config_poll(struct request_queue *q)
> +{
> +	struct blk_mq_tag_set *set = q->tag_set;
> +
> +	if (set->nr_maps > HCTX_TYPE_POLL &&
> +	    set->map[HCTX_TYPE_POLL].nr_queues)
> +		blk_queue_flag_set(QUEUE_FLAG_POLL, q);
> +	else
> +		blk_queue_flag_clear(QUEUE_FLAG_POLL, q);
> +}

Maybe name this blk_mq_update_poll_flag?