Re: [PATCH 7/7] nvme: provide UUID value to userspace

Hannes Reinecke
2017-05-30T08:31:26Z

On 05/30/2017 10:08 AM, Johannes Thumshirn wrote:
> Now that we have a way for getting the UUID from a target, provide it
> to userspace as well.
>
> Unfortunately there is already a sysfs attribute called UUID which is
> a misnomer as it holds the NGUID value. So instead of creating yet
> another wrong name, create a new 'nguid' sysfs attribute for the
> NGUID. For the UUID attribute add a check wheter the namespace has a
> UUID assigned to it and return this or return the NGUID to maintain
> backwards compatibility. This should give userspace a chance to catch
> up.
>
> Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
> ---
> drivers/nvme/host/core.c | 22 +++++++++++++++++++++-
> 1 file changed, 21 insertions(+), 1 deletion(-)
>
Reviewed-by: Hannes Reinecke <hare@suse.com>

Cheers,

Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
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