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SubjectRe: [PATCH RFC v2 5/6] blk-throttle: support to destroy throtl_data when blk-throttle is disabled
Hello,

On Sat, Apr 06, 2024 at 04:00:58PM +0800, Yu Kuai wrote:
> From: Yu Kuai <yukuai3@huawei.com>
>
> Currently once blk-throttle is enabled, it can't be destroyed until disk
> removal, even it's disabled.
>
> Also prepare to support building it as kernel module.

The benefit of doing this whenever the ruleset becomes empty seems marginal.
This isn't necessary to allow unloading blk-throttle and
blkg_conf_exit_blkg() is also necessary because of this, right?

Thanks.

--
tejun

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