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Date: Sun, 5 Apr 2015 17:40:05 +0200
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@fb.com>
Cc: axboe@kernel.dk, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
        hch@lst.de
Subject: Re: [PATCH 4/7] scsi: add scsi-mq helper for iterating over busy
	commands
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On Fri, Apr 03, 2015 at 09:58:20AM -0600, Jens Axboe wrote:
> This is basically just a wrapper around blk_mq_queue_busy_iter(),
> so that LLDs don't have to deal with or worry about blk-mq hardware
> queues.

I'd prefer not to expose this to drivers, but if we do it needs to
work for the !mq case.