[PATCH] nvme: add 'kato' sysfs attribute

[Daniel Wagner]

On Fri, Feb 26, 2021 at 08:52:51AM +0100, Hannes Reinecke wrote:
> Add a 'kato' controller sysfs attribute to display the current
> keep-alive timeout value (if any). This allows userspace to identify
> persistent discovery controllers, as these will have a non-zero
> KATO value.
> 
> Signed-off-by: Hannes Reinecke <hare at suse.de>

Reviewed-by: Daniel Wagner <dwagner at suse.de>