On Wed, Nov 23, 2022 at 02:03:59PM +0800, Kemeng Shi wrote: > We always keep limit index valid as following: > Max limit is always valid and low limit can only be invalidated in > blk_throtl_update_limit_valid. Each time low limit may become invalid > after blk_throtl_update_limit_valid is called, we will check and make > sure current limit index is valid. > > It's reasonable to always keep limit index valid, so we can remove this > check. It's not obvious to me that it's correct and I'm not sure what we're gaining by removing this while risking subtle breakages. -- tejun
