On Sat, Sep 30, 2017 at 10:06:45AM +0200, Jens Axboe wrote: > For some reason, the laptop mode IO completion notified was never wired > up for blk-mq. Ensure that we trigger the callback appropriately, to arm > the laptop mode flush timer. Looks fine: Reviewed-by: Christoph Hellwig <hch@xxxxxx>