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SubjectRe: [RFC V5 10/16] blk-wbt: get rid of wbt_enable/disable_default()
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.

Some combinations simply don't work well together. The kernel should be able
to provide a reasonble default behavior.

Nacked-by: Tejun Heo <tj@kernel.org>

Thanks.

--
tejun

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