Re: [PATCH -next v2 3/9] blk-iocost: don't allow to configure bio based device

From: Tejun Heo
Date: Wed Nov 30 2022 - 15:20:02 EST


On Wed, Nov 30, 2022 at 09:21:50PM +0800, Li Nan wrote:
> From: Yu Kuai <yukuai3@xxxxxxxxxx>
>
> iocost is based on rq_qos, which can only work for request based device,
> thus it doesn't make sense to configure iocost for bio based device.
>
> Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
> Reviewed-by: Christoph Hellwig <hch@xxxxxx>
> Signed-off-by: Li Nan <linan122@xxxxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

--
tejun