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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
Date: Tue, 1 Mar 2022 05:31:59 -0800	[thread overview]
Message-ID: <Yh4gTwY5F7uQ8GiN@infradead.org> (raw)
In-Reply-To: <20220228090430.1064267-4-ming.lei@redhat.com>

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?


  reply	other threads:[~2022-03-01 13:32 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-28  9:04 [PATCH 0/6] blk-mq: update_nr_hw_queues related improvement & bugfix Ming Lei
2022-02-28  9:04 ` [PATCH 1/6] blk-mq: figure out correct numa node for hw queue Ming Lei
2022-03-01 13:30   ` Christoph Hellwig
2022-03-01 19:19   ` John Garry
2022-03-02  1:47     ` Ming Lei
2022-03-02  9:02       ` John Garry
2022-03-02  9:22         ` Ming Lei
2022-03-02 10:11           ` John Garry
2022-02-28  9:04 ` [PATCH 2/6] blk-mq: simplify reallocation of hw ctxs a bit Ming Lei
2022-03-01 13:30   ` Christoph Hellwig
2022-02-28  9:04 ` [PATCH 3/6] blk-mq: re-config poll after queue map is changed Ming Lei
2022-03-01 13:31   ` Christoph Hellwig [this message]
2022-02-28  9:04 ` [PATCH 4/6] block: mtip32xx: don't touch q->queue_hw_ctx Ming Lei
2022-03-01 13:32   ` Christoph Hellwig
2022-02-28  9:04 ` [PATCH 5/6] blk-mq: add helper of blk_mq_get_hctx to retrieve hctx via its index Ming Lei
2022-03-01 13:33   ` Christoph Hellwig
2022-02-28  9:04 ` [PATCH 6/6] blk-mq: manage hctx map via xarray Ming Lei
2022-02-28 17:36   ` kernel test robot
2022-02-28 17:57   ` kernel test robot
2022-03-01  9:08     ` Ming Lei
2022-03-01  9:08       ` Ming Lei
2022-03-01 13:37   ` Christoph Hellwig
2022-03-02  2:06     ` Ming Lei
2022-03-02  8:24       ` Christoph Hellwig
2022-03-02  9:53         ` Ming Lei
2022-03-02  9:59           ` Christoph Hellwig

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