On Mon, Sep 13, 2021 at 12:32:37PM +0800, Hou Tao wrote: > > Did you try just removing the extra module refcounting? > Yes, removing the module refcounting in nbd_alloc_config() and cleaning > the nbd_config in nbd_cleanup() also work, but not sure whether or not > it will break some nbd user-case which depends on the extra module > reference count. I prefer to keep the extra module refcounting considering > that loop driver does it as well, so what is your suggestion ? Can you respin the patch with a comment explaining this in detail so that the next person tripping over it doesn't have to do the research again?