On Tue, 16 Nov 2021 09:43:43 +0800, Ming Lei wrote:
> For avoiding to slow down queue destroy, we don't call
> blk_mq_quiesce_queue() in blk_cleanup_queue(), instead of delaying to
> cancel dispatch work in blk_release_queue().
>
> However, this way has caused kernel oops[1], reported by Changhui. The log
> shows that scsi_device can be freed before running blk_release_queue(),
> which is expected too since scsi_device is released after the scsi disk
> is closed and the scsi_device is removed.
>
> [...]
Applied, thanks!
[1/1] blk-mq: cancel blk-mq dispatch work in both blk_cleanup_queue and disk_release()
commit: 2a19b28f7929866e1cec92a3619f4de9f2d20005
Best regards,
--
Jens Axboe
