On Mon, Sep 20, 2021 at 08:29:49PM -0700, Bart Van Assche wrote: >> blk_mq_unfreeze_queue(q); >> if (!(disk->flags & GENHD_FL_HIDDEN)) { > > I don't see any code that passes 'true' as second argument to > __blk_mq_unfreeze_queue()? Did I perhaps overlook something? No, I did not finish actually implementing the suggestion from Ming properly, sorry.