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From: Christoph Hellwig <hch@lst.de>
To: Martin Wilck <mwilck@suse.de>
Cc: Johannes Thumshirn <jthumshirn@suse.de>,
	Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
	Keith Busch <keith.busch@intel.com>,
	Linux Kernel Mailinglist <linux-kernel@vger.kernel.org>,
	Linux NVMe Mailinglist <linux-nvme@lists.infradead.org>
Subject: Re: [PATCH] nvmet: preserve controller serial number between reboots
Date: Thu, 13 Jul 2017 17:16:33 +0200	[thread overview]
Message-ID: <20170713151633.GA993@lst.de> (raw)
In-Reply-To: <1499958505.6432.8.camel@suse.de>

On Thu, Jul 13, 2017 at 05:08:25PM +0200, Martin Wilck wrote:
> I'm wondering if this should be a write-once attribute. Also,
> Once the serial number has been passed on to some host (or maybe only:
> while the device is in use by some host), the attribute should probably
> be read-only.

In practive it should.  But I don't think it's worth the extra code
just to prevent people from shooting themselves into the foot.

      reply	other threads:[~2017-07-13 15:16 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-13 10:48 [PATCH] nvmet: preserve controller serial number between reboots Johannes Thumshirn
2017-07-13 12:30 ` Sagi Grimberg
2017-07-13 12:52   ` Johannes Thumshirn
2017-07-13 13:06   ` Christoph Hellwig
2017-07-13 13:11     ` Johannes Thumshirn
2017-07-13 16:38     ` Sagi Grimberg
2017-07-13 17:17       ` Christoph Hellwig
2017-07-13 15:08 ` Martin Wilck
2017-07-13 15:16   ` Christoph Hellwig [this message]

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