On Thu, 2018-03-08 at 16:50 +0800, Wen Yang wrote: > This patch replacing the sdev_printk with async printk_deferred can > avoid task blocking because of the slow serial and unstable disks in > such senario. Although I'm not enthusiast about this approach, I haven't been able to come up with a better solution and the patch itself looks fine to me. Bart.