linux-kernel - Re: [PATCH] nvme: use uuid_t in nvme

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Date:   Sat, 10 Jun 2017 18:40:19 +0300
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Johannes Thumshirn <jthumshirn@...e.de>
Cc:     Christoph Hellwig <hch@....de>,
        Linux NVMe Mailinglist <linux-nvme@...ts.infradead.org>,
        Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] nvme: use uuid_t in nvme_ns

On Sat, Jun 10, 2017 at 4:03 PM, Johannes Thumshirn <jthumshirn@...e.de> wrote:

> struct nvme_ns still uses u u8 uuid[16], change it to using uuid_t.

...and we can convert to use UUID API.

> -                       memcpy(ns->uuid, data + pos + sizeof(*cur), len);
> +                       memcpy(&ns->uuid, data + pos + sizeof(*cur), len);

uuid_copy()

> -       if (!memchr_inv(ns->uuid, 0, sizeof(ns->uuid))) {
> +       if (!memchr_inv(&ns->uuid, 0, sizeof(ns->uuid))) {

uuid_is_null()

> -               if (!memchr_inv(ns->uuid, 0, sizeof(ns->uuid)) ||
> +               if (!memchr_inv(&ns->uuid, 0, sizeof(ns->uuid)) ||

Ditto.

-- 
With Best Regards,
Andy Shevchenko