Re: [PATCH 4/7] scsi: add scsi-mq helper for iterating over busy commands

[Christoph Hellwig]

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.
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