On Wed, Nov 28, 2018 at 06:35:36AM -0700, Jens Axboe wrote:
> We need this for blk-mq to kick things into gear, if we told it that
> we had more IO coming, but then failed to deliver on that promise.
>
> Reviewed-by: Omar Sandoval <osan...@fb.com>
> Signed-off-by: Jens Axboe <ax...@kernel.dk>
> ---
> drivers/block/ataflop.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
> index f88b4c26d422..a0c6745b0034 100644
> --- a/drivers/block/ataflop.c
> +++ b/drivers/block/ataflop.c
> @@ -1471,6 +1471,15 @@ static void setup_req_params( int drive )
> ReqTrack, ReqSector, (unsigned long)ReqData ));
> }
>
> +static void ataflop_commit_rqs(struct blk_mq_hw_ctx *hctx)
> +{
> + spin_lock_irq(&ataflop_lock);
> + atari_disable_irq(IRQ_MFP_FDC);
> + finish_fdc();
> + atari_enable_irq(IRQ_MFP_FDC);
> + spin_unlock_irq(&ataflop_lock);
> +}
> +
> static blk_status_t ataflop_queue_rq(struct blk_mq_hw_ctx *hctx,
> const struct blk_mq_queue_data *bd)
> {
> @@ -1947,6 +1956,7 @@ static const struct block_device_operations floppy_fops
> = {
>
> static const struct blk_mq_ops ataflop_mq_ops = {
> .queue_rq = ataflop_queue_rq,
> + .commit_rqs = ataflop_commit_rqs,
> };
>
> static struct kobject *floppy_find(dev_t dev, int *part, void *data)
> --
> 2.17.1
>
Reviewed-by: Ming Lei <ming....@redhat.com>
thanks,
Ming
