On 21-03-25 12:25:24, Niklas Cassel wrote:
> On Mon, Mar 01, 2021 at 08:24:51PM +0100, javier@xxxxxxxxxxx wrote:
> > From: Javier González <javier.gonz@xxxxxxxxxxx>
> >
> > Create a char device per NVMe namespace. This char device is always
> > initialized, independently of whether the features implemented by the
> > device are supported by the kernel. User-space can therefore always
> > issue IOCTLs to the NVMe driver using the char device.
> >
> > The char device is presented as /dev/nvme-generic-XcYnZ. This naming
> > scheme follows the convention of the hidden device (nvmeXcYnZ). Support
> > for multipath will follow.
>
> Do we perhaps want to put these new character devices inside a subdir?
> e.g. /dev/nvme/nvme-generic-XcYnZ ?
>
> Otherwise it feels like doing such a simple thing as ls -al /dev/nvme*
> will show a lot of devices because of these new specialized char devices.
Good point. If we have thousands of namespaces, it will create 2 times
of the blkdevs. I would hear what maintainers say about this :)
FYI: new version has been posted with V1 by re-create this series with
Javier. Please have a discuss there:
https://lore.kernel.org/linux-nvme/20210325123048.94784-1-minwoo.im.dev@xxxxxxxxx/T/#u
Thanks!
>
>
> Kind regards,
> Niklas
