Re: [RFC 2/6] block: add flag for add_disk() completion notation

[Luis Chamberlain]

On Mon, Jul 19, 2021 at 11:00:36AM +0100, Christoph Hellwig wrote:
> >  {
> >  	might_sleep();
> >  
> > +	if (!blk_disk_registered(disk))
> > +		return;
> > +
> 
> Can't say I like this all that much.  Drivers should keep some
> basic sanity for their unregister path, and while blk_disk_registered
> can be useful, it's uses should be kept at a minimum.

This just means quite a bit of drivers have to invent some scheme to
keep tabs on if registration was completed or not on their own... I
can't see too much downfall for us to embrace this. Anyway I'll keep
it in the mix and respin it as proper patch as it seems you suggested
a respin of the series.

  Luis