Re: [PATCH v9] block: cancel all throttled bios in del_gendisk()

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On Thu, Feb 10, 2022 at 07:56:37PM +0800, Yu Kuai wrote:
> Throttled bios can't be issued after del_gendisk() is done, thus
> it's better to cancel them immediately rather than waiting for
> throttle is done.
> 
> For example, if user thread is throttled with low bps while it's
> issuing large io, and the device is deleted. The user thread will
> wait for a long time for io to return.
> 
> Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx>
> ---
> Changes in v9:
>  - some minor changes as suggested by Ming.

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

-- 
Ming




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