From: "jianchao.wang" <jianchao.w.wang@oracle.com>
To: Bart Van Assche <bart.vanassche@wdc.com>, Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Ming Lei <ming.lei@redhat.com>, Hannes Reinecke <hare@suse.com>,
Johannes Thumshirn <jthumshirn@suse.de>,
Alan Stern <stern@rowland.harvard.edu>
Subject: Re: [PATCH v5 5/9] block: Change the runtime power management approach (1/2)
Date: Wed, 8 Aug 2018 14:11:13 +0800 [thread overview]
Message-ID: <414b8689-f04a-abaa-d659-f29dffed7d3e@oracle.com> (raw)
In-Reply-To: <20180807225133.27221-6-bart.vanassche@wdc.com>
Hi Bart
On 08/08/2018 06:51 AM, Bart Van Assche wrote:
> @@ -391,6 +393,9 @@ static struct request *blk_mq_get_request(struct request_queue *q,
> }
> }
> data->hctx->queued++;
> +
> + blk_pm_add_request(q, rq);
> +
> return rq;
> }
The request_queue is in pm_only mode when suspended, who can reach here to do the resume ?
Thanks
Jianchao
next prev parent reply other threads:[~2018-08-08 6:11 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-07 22:51 [PATCH v5 0/9] blk-mq: Implement runtime power management Bart Van Assche
2018-08-07 22:51 ` [PATCH v5 1/9] block: Change the preempt-only flag into a counter Bart Van Assche
2018-08-08 8:21 ` Ming Lei
2018-08-08 15:27 ` Bart Van Assche
2018-08-07 22:51 ` [PATCH v5 2/9] block: Move power management code into a new source file Bart Van Assche
2018-08-07 22:51 ` [PATCH v5 3/9] block, scsi: Introduce blk_pm_runtime_exit() Bart Van Assche
2018-08-07 22:51 ` [PATCH v5 4/9] percpu-refcount: Introduce percpu_ref_is_in_use() Bart Van Assche
2018-08-08 15:23 ` Tejun Heo
2018-08-09 14:32 ` Bart Van Assche
2018-08-07 22:51 ` [PATCH v5 5/9] block: Change the runtime power management approach (1/2) Bart Van Assche
2018-08-08 6:11 ` jianchao.wang [this message]
2018-08-08 6:43 ` jianchao.wang
2018-08-08 17:28 ` Bart Van Assche
2018-08-09 2:52 ` Ming Lei
2018-08-09 17:12 ` Bart Van Assche
2018-08-07 22:51 ` [PATCH v5 6/9] block: Change the runtime power management approach (2/2) Bart Van Assche
2018-08-08 8:50 ` Ming Lei
2018-08-08 17:32 ` Bart Van Assche
2018-08-07 22:51 ` [PATCH v5 7/9] block: Remove blk_pm_requeue_request() Bart Van Assche
2018-08-07 22:51 ` [PATCH v5 8/9] blk-mq: Insert a blk_pm_put_request() call Bart Van Assche
2018-08-07 22:51 ` [PATCH v5 9/9] blk-mq: Enable support for runtime power management Bart Van Assche
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