linux-kernel - Re: [PATCH] nvme: align "fake" nqn with spec 1.3

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Message-ID: <20220810140812.GA24773@lst.de>
Date:   Wed, 10 Aug 2022 16:08:12 +0200
From:   Christoph Hellwig <hch@....de>
To:     Linjun Bao <meljbao@...il.com>
Cc:     Keith Busch <kbusch@...nel.org>, Jens Axboe <axboe@...com>,
        Christoph Hellwig <hch@....de>,
        Sagi Grimberg <sagi@...mberg.me>,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] nvme: align "fake" nqn with spec 1.3

On Wed, Aug 10, 2022 at 09:39:54PM +0800, Linjun Bao wrote:
> Replace '.' with '-' to align "fake" nqn format with nvme spec 1.3 or newer.

We can't just change the existing NQN construction if we don't want
to break userspace.  Maybe add a comment that it is different from
the canonical version for historic reasons instead.