Re: [PATCH 2/2] blk-throttle: only enable blk-stat when BLK_DEV_THROTTLING_LOW

[Tejun Heo]

On Thu, Apr 13, 2023 at 12:07:54AM +0800, chengming.zhou@xxxxxxxxx wrote:
> From: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>
> 
> blk_throtl_register() will unconditionally enable blk-stat for gendisk
> when register, even when we have no BLK_DEV_THROTTLING_LOW config.
> 
> Since the kernel always has only BLK_DEV_THROTTLING config and the
> BLK_DEV_THROTTLING_LOW config is still in EXPERIMENTAL state, we can
> just skip blk-stat when !BLK_DEV_THROTTLING_LOW.
> 
> Signed-off-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>

Acked-by: Tejun Heo <tj@xxxxxxxxxx>

Thanks.

-- 
tejun