Re: [PATCH 1/1] blk-mq: fix race condition in active queue accounting

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On Mon, May 22, 2023 at 8:45 AM Tian Lan <tilan7663@xxxxxxxxx> wrote:
>
> From: Tian Lan <tian.lan@xxxxxxxxxxxx>
>
> If multiple CPUs are sharing the same hardware queue, it can
> cause leak in the active queue counter tracking when __blk_mq_tag_busy()
> is executed simultaneously.
>
> Fixes: ee78ec1077d3 ("blk-mq: blk_mq_tag_busy is no need to return a value")
> Signed-off-by: Tian Lan <tian.lan@xxxxxxxxxxxx>

Looks fine,

Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>





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