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Re: [Xen-devel] [PATCH 1/6] xen-blkfront: avoid to use start/stop queue

To: Ming Lei <ming.lei@xxxxxxxxxx>
From: Roger Pau Monné <roger.pau@xxxxxxxxxx>
Date: Tue, 11 Jul 2017 23:24:44 +0200
Cc: Juergen Gross <jgross@xxxxxxxx>, linux-block@xxxxxxxxxxxxxxx, Sagi Grimberg <sagi@xxxxxxxxxxx>, Jens Axboe <axboe@xxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Christoph Hellwig <hch@xxxxxxxxxxxxx>, Bart Van Assche <bart.vanassche@xxxxxxxxxxx>, Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
Delivery-date: Tue, 11 Jul 2017 21:25:21 +0000
List-id: Xen developer discussion <xen-devel.lists.xen.org>

On Wed, Jul 12, 2017 at 02:20:58AM +0800, Ming Lei wrote:
> This interfaces will be removed soon, so use quiesce and
> unquiesce instead, which should be more safe.
> 
> The only one usage will be removed in the following
> congestion control patches.

Would it be better to simply fix blk_mq_{start/stop}_stopped_hw_queues
rather than introducing a new interface?

Roger.

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  - From: Ming Lei

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