linux-kernel - Re: [PATCH V2 2/2] blk-mq: sync the update nr_hw_queues with part_in

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Message-ID: <75c13c79-efc6-c41f-c349-9dae094f50be@oracle.com>
Date:   Mon, 20 Aug 2018 09:32:23 +0800
From:   "jianchao.wang" <jianchao.w.wang@...cle.com>
To:     Ming Lei <tom.leiming@...il.com>
Cc:     Jens Axboe <axboe@...nel.dk>,
        Bart Van Assche <bart.vanassche@....com>,
        Keith Busch <keith.busch@...ux.intel.com>,
        linux-block <linux-block@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2 2/2] blk-mq: sync the update nr_hw_queues with
 part_in_flight

Hi Ming

On 08/17/2018 05:36 PM, Ming Lei wrote:
> I'd suggest to put the rcu_* and percpu_ref_is_zero() into
> blk_mq_queue_tag_busy_iter().

Yes, it's fine for me. :)
I will change it in next version.

Thanks
Jianchao