[PATCH V6 1/2] nvme: enable char device per namespace

[Niklas Cassel]

On Mon, Mar 01, 2021 at 08:24:51PM +0100, javier at javigon.com wrote:
> From: Javier González <javier.gonz at samsung.com>
> 
> 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.


Kind regards,
Niklas