linux-kernel - Re: [PATCH 02/14] blk-mq: abstract out queue map

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Date:   Mon, 29 Oct 2018 11:33:59 -0700
From:   Bart Van Assche <bvanassche@....org>
To:     Jens Axboe <axboe@...nel.dk>, linux-block@...r.kernel.org,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 02/14] blk-mq: abstract out queue map

On Mon, 2018-10-29 at 10:37 -0600, Jens Axboe wrote:
> struct blk_mq_tag_set {
> -	unsigned int		*mq_map;
> +	struct blk_mq_queue_map	map[HCTX_MAX_TYPES];
>  	const struct blk_mq_ops	*ops;
>  	unsigned int		nr_hw_queues;
>  	unsigned int		queue_depth;	/* max hw supported */

How about documenting that nr_hw_queues is the number of hardware queues across
all hardware queue types instead of e.g. the number of hardware queues for a
single hardware queue type? This is something that only became clear to me after
having reviewed a later patch in this series. Anyway:

Reviewed-by: Bart Van Assche <bvanassche@....org>