[PATCH] nvme: Allow controllers to specify a min queue depth for CMB

[Jon Derrick]

> > >  - please don't overload the quirks bitmap with actual values
> > I agree it may not have been the best place for it, but I wasn't sure how/where it could go to be matched with specific devices. Certain devices may want 8, 16, or 32.
> 
> IMHO, I think these need to be tunable from sysfs. There are several
> ideas on carving up CMB for various purposes, and don't think we can
> let the driver make these policy decisions for the user.
>  
I like that idea. We could do some interesting things by letting users/udev tweak the CMB's uses.