linux-kernel - Re: [PATCH 2/5] blk-mq: add number of queue calc helper

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Message-ID: <70f8d51e-5900-4b15-ab1b-b69aa0438d25@nvidia.com>
Date: Wed, 25 Jun 2025 04:35:32 +0000
From: Chaitanya Kulkarni <chaitanyak@...dia.com>
To: Daniel Wagner <wagi@...nel.org>, Jens Axboe <axboe@...nel.dk>, Christoph
 Hellwig <hch@....de>
CC: Keith Busch <kbusch@...nel.org>, Sagi Grimberg <sagi@...mberg.me>,
	"Michael S. Tsirkin" <mst@...hat.com>, "Martin K. Petersen"
	<martin.petersen@...cle.com>, Thomas Gleixner <tglx@...utronix.de>, Costa
 Shulyupin <costa.shul@...hat.com>, Juri Lelli <juri.lelli@...hat.com>,
	Valentin Schneider <vschneid@...hat.com>, Waiman Long <llong@...hat.com>,
	Ming Lei <ming.lei@...hat.com>, Frederic Weisbecker <frederic@...nel.org>,
	Hannes Reinecke <hare@...e.de>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "linux-block@...r.kernel.org"
	<linux-block@...r.kernel.org>, "linux-nvme@...ts.infradead.org"
	<linux-nvme@...ts.infradead.org>, "megaraidlinux.pdl@...adcom.com"
	<megaraidlinux.pdl@...adcom.com>, "linux-scsi@...r.kernel.org"
	<linux-scsi@...r.kernel.org>, "storagedev@...rochip.com"
	<storagedev@...rochip.com>, "virtualization@...ts.linux.dev"
	<virtualization@...ts.linux.dev>, "GR-QLogic-Storage-Upstream@...vell.com"
	<GR-QLogic-Storage-Upstream@...vell.com>
Subject: Re: [PATCH 2/5] blk-mq: add number of queue calc helper

On 6/17/25 06:43, Daniel Wagner wrote:
> Add two variants of helper functions that calculate the correct number
> of queues to use. Two variants are needed because some drivers base
> their maximum number of queues on the possible CPU mask, while others
> use the online CPU mask.
>
> Reviewed-by: Christoph Hellwig<hch@....de>
> Reviewed-by: Hannes Reinecke<hare@...e.de>
> Reviewed-by: Ming Lei<ming.lei@...hat.com>
> Signed-off-by: Daniel Wagner<wagi@...nel.org>

Looks good.

Reviewed-by: Chaitanya Kulkarni <kch@...dia.com>

-ck