[PATCH V2 1/1] nvme: introduce generic per-namespace chardev

[Christoph Hellwig]

On Thu, Apr 08, 2021 at 12:26:25PM +0200, Javier González wrote:
> In this case, I believe we should still create the char device so that
> any OME-specific NVMe device can still be used from user-space without
> requiring SPDK and a PCI detach.

OME?

> Does this sound good to you?
>
> Regarding the current logic, I would not mind that the block device
> still appears as a zero capacity too. We can think of removing this in
> the future as this path becomes more stable. It requeries Kanchan's work
> on io_uring to be usable for I/O.

I think with the current path this should just work.  If you have
a device that triggers this case please test it.