On Thu, Feb 24, 2022 at 05:06:48PM +0800, Wang Jianchao (Kuaishou) wrote: > wbt_enable_default() is used to open wbt feature by default. > wbt_disable_default() is only employed by bfq which has similar > writeback throttling mechanism. This kind of policy should be > selected by the user instead of being set in kernel. This patch > get rid of the interfaces and let the user configure appropricate > blk-rq-qos policy by themselves. This drastically changes the user visible behavior.
