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Date: Tue, 20 Feb 2018 11:13:11 +0100
From: Johannes Thumshirn <jthumshirn@suse.de>
To: Max Gurtovoy <maxg@mellanox.com>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
        Jens Axboe <axboe@fb.com>, Ming Lei <ming.lei@redhat.com>,
        linux-nvme@lists.infradead.org
Subject: Re: how can one drain MQ request queue ?
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On Tue, Feb 20, 2018 at 11:56:07AM +0200, Max Gurtovoy wrote:
> hi all,
> is there a way to drain a blk-mq based request queue (similar to
> blk_drain_queue for non MQ) ?

I _think_ you can do a echo run >
/sys/kernel/debug/block/nvmeXnX/hctxX/state and that should trigger
it.

Hope that helps.

Byte,
     Johannes

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Johannes Thumshirn                                          Storage
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