Re: [PATCH 2/2] blk-mq: convert WARN_ON in __blk_mq_run_hw_queue to printk

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On 1/17/18 5:34 AM, Ming Lei wrote:
> We know this WARN_ON is harmless and the stack trace isn't useful too,
> so convert it to printk(), and avoid to confuse people.

I disagree, it is useful to know the exact path it happened from,
in case it's a valid warning. It could be an inline run and
we screwed up the logic, or it could be from a workqueue and
the reason would be entirely different.

-- 
Jens Axboe




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