linux-kernel - Re: [PATCH 3/7] nvmet: add eui64 field to nvme

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Message-ID: <51b921ed-e9f9-0eb2-7625-6053dbca6a82@suse.de>
Date:   Wed, 31 May 2017 13:24:03 +0200
From:   Johannes Thumshirn <jthumshirn@...e.de>
To:     Christoph Hellwig <hch@....de>
Cc:     Sagi Grimberg <sagi@...mberg.me>,
        Keith Busch <keith.busch@...el.com>,
        Linux NVMe Mailinglist <linux-nvme@...ts.infradead.org>,
        Linux Kernel Mailinglist <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/7] nvmet: add eui64 field to nvme_ns and populate via
 configfs

On 05/31/2017 11:46 AM, Christoph Hellwig wrote:
> On Tue, May 30, 2017 at 11:45:25AM +0200, Johannes Thumshirn wrote:
>> Mostly consistency. The current nvme host code has the EUI sprinkled all
>> around. Sure I can drop it, but then what's the point in evaluating it
>> on the host side? Other targets may send it, so we need in on the host
>> and do we care about potentially awkward host implementations with Linux
>> as a target? Also it's rather handy for testing as well, after all it's
>> not too much and complex code.
> 
> There's only one place in the host code proper (discounting the
> scsi translation mess), and that's because the field is still better
> than not having any uniqueue identifier.  But I don't think we should
> spread it any further.

OK I'll drop it in my next re-send (which should hopefully be somewhen
today)

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