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Subject: Re: [PATCH v4 7/9] scsi: Only process PM requests if rpm_status !=
 RPM_ACTIVE
To:     Bart Van Assche <bvanassche@acm.org>,
        "Martin K . Petersen" <martin.petersen@oracle.com>
Cc:     "James E . J . Bottomley" <jejb@linux.vnet.ibm.com>,
        Jens Axboe <axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>,
        Ming Lei <ming.lei@redhat.com>, linux-scsi@vger.kernel.org,
        linux-block@vger.kernel.org, Can Guo <cang@codeaurora.org>,
        Stanley Chu <stanley.chu@mediatek.com>,
        Alan Stern <stern@rowland.harvard.edu>,
        "Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
        Martin Kepplinger <martin.kepplinger@puri.sm>
References: <20201130024615.29171-1-bvanassche@acm.org>
 <20201130024615.29171-8-bvanassche@acm.org>
From:   Hannes Reinecke <hare@suse.de>
Message-ID: <6f37cab9-927c-1a86-35b8-b10564cb7045@suse.de>
Date:   Wed, 2 Dec 2020 08:14:41 +0100
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On 11/30/20 3:46 AM, Bart Van Assche wrote:
> Instead of submitting all SCSI commands submitted with scsi_execute() to a
> SCSI device if rpm_status != RPM_ACTIVE, only submit RQF_PM (power
> management requests) if rpm_status != RPM_ACTIVE. This patch makes the
> SCSI core handle the runtime power management status (rpm_status) as it
> should be handled.
> 
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Can Guo <cang@codeaurora.org>
> Cc: Stanley Chu <stanley.chu@mediatek.com>
> Cc: Alan Stern <stern@rowland.harvard.edu>
> Cc: Ming Lei <ming.lei@redhat.com>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
> Cc: Martin Kepplinger <martin.kepplinger@puri.sm>
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
> ---
>   drivers/scsi/scsi_lib.c | 27 ++++++++++++++-------------
>   1 file changed, 14 insertions(+), 13 deletions(-)
> Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@suse.de                              +49 911 74053 688
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