Re: [PATCH] blk-mq: fix WARNING "percpu_ref_kill() called more than once!"

[Jens Axboe]

On 2014-08-15 09:16, Ming Lei wrote:
> Before doing queue release, the queue has been freezed already
> by blk_cleanup_queue(), so needn't to freeze queue for deleting
> tag set.
>
> This patch fixes the WARNING of "percpu_ref_kill() called more than once!"
> which is triggered during unloading block driver.

Thanks, you are right, we need not call it there. I'll apply this for 3.17.

--
Jens Axboe

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