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

[Hannes Reinecke]

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 at suse.de>
> ---
>  drivers/nvme/host/core.c | 22 +++++++++++++++++++++-
>  1 file changed, 21 insertions(+), 1 deletion(-)
> 
Reviewed-by: Hannes Reinecke <hare at suse.com>

Cheers,

Hannes
-- 
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