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SubjectRe: [PATCHSET block/for-next] blkcg: Improve blkg config helpers and make iolatency init lazy
On Wed, Jan 04, 2023 at 02:20:03PM -1000, Tejun Heo wrote:
> Hello,
>
> * Improve blkg config helpers so that they can be used consistently for all
> the existing use cases. This also allows keeps using the same bdev open
> instance across lazy init of rq_qos policies.
>
> * Update iolatency so that it initializes lazily when a latency target is
> set for the first time. This avoids registering the rq_qos policy when
> iolatency is not used which removes unnecessary calls into iolat from IO
> hot paths.

I forgot to update bfq. Will post v2 soon.

Thanks.

--
tejun

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