Re: [PATCH v2 6/8] nvme: provide UUID value to userspace

From	Johannes Thumshirn <jthumshirn@suse.de>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 6/8] nvme: provide UUID value to userspace
Date	2017-06-01 15:10 +0200
Message-ID	<tNy1s-2YH-13@gated-at.bofh.it> (permalink)
References	<tNwj0-1RP-9@gated-at.bofh.it> <tNwj0-1RP-15@gated-at.bofh.it> <tNxyp-2x0-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On 06/01/2017 02:47 PM, Keith Busch wrote:
> FWIW, tools should have been using the 'wwid' attribute, which returns
> either EUI64 or NGUID so a unique identifier can be gotten from a
> single file without checking for the existence of either. That should
> help not break backward compatibility, but I've no idea if anything
> actually relies on 'uuid' returning the NGUID.

Yep, that's why I though I'd be clever and place this hack in there. I
think we can remove it in 1-2 years or so when most/all userspace has
adopted to the change (there shouldn't be too much apart from some hand
crafted udev rules anyways).

-- 
Johannes Thumshirn                                          Storage
jthumshirn@suse.de                                +49 911 74053 689
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Thread

[PATCH v2 0/8] Implement NVMe Namespace Descriptor Identification Johannes Thumshirn <jthumshirn@suse.de> - 2017-06-01 13:20 +0200
  [PATCH v2 6/8] nvme: provide UUID value to userspace Johannes Thumshirn <jthumshirn@suse.de> - 2017-06-01 13:20 +0200
    Re: [PATCH v2 6/8] nvme: provide UUID value to userspace Keith Busch <keith.busch@intel.com> - 2017-06-01 14:40 +0200
      Re: [PATCH v2 6/8] nvme: provide UUID value to userspace Johannes Thumshirn <jthumshirn@suse.de> - 2017-06-01 15:10 +0200
  [PATCH v2 7/8] nvmet: allow overriding the NVMe VS via configfs Johannes Thumshirn <jthumshirn@suse.de> - 2017-06-01 13:20 +0200
  [PATCH v2 8/8] nvmet: use NVME_IDENTIFY_DATA_SIZE Johannes Thumshirn <jthumshirn@suse.de> - 2017-06-01 13:20 +0200
  [PATCH v2 2/8] nvme: rename uuid to nguid in nvme_ns Johannes Thumshirn <jthumshirn@suse.de> - 2017-06-01 13:20 +0200
    Re: [PATCH v2 2/8] nvme: rename uuid to nguid in nvme_ns Johannes Thumshirn <jthumshirn@suse.de> - 2017-06-07 15:50 +0200
    Re: [PATCH v2 2/8] nvme: rename uuid to nguid in nvme_ns Andy Shevchenko <andy.shevchenko@gmail.com> - 2017-06-07 15:50 +0200
  [PATCH v2 1/8] nvme: introduce NVMe Namespace Identification Descriptor structures Johannes Thumshirn <jthumshirn@suse.de> - 2017-06-01 13:20 +0200
  [PATCH v2 3/8] nvmet: implement namespace identify descriptor list Johannes Thumshirn <jthumshirn@suse.de> - 2017-06-01 13:20 +0200
  [PATCH v2 5/8] nvme: get list of namespace descriptors Johannes Thumshirn <jthumshirn@suse.de> - 2017-06-01 13:30 +0200

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