Re: [PATCH] blk-iolatency: error out if blk_get_queue() failed in iolatency_set_limit()

From: Jens Axboe
Date: Thu Aug 05 2021 - 13:18:36 EST


On 8/5/21 6:46 AM, Yu Kuai wrote:
> If queue is dying while iolatency_set_limit() is in progress,
> blk_get_queue() won't increment the refcount of the queue. However,
> blk_put_queue() will still decrement the refcount later, which will
> cause the refcout to be unbalanced.
>
> Thus error out in such case to fix the problem.

Applied, thanks.

--
Jens Axboe