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From: Keith Busch <kbusch@kernel.org>
To: Maurizio Lombardi <mlombard@arkamax.eu>
Cc: Maurizio Lombardi <mlombard@redhat.com>,
	hch@lst.de, hare@suse.de, chaitanyak@nvidia.com,
	bvanassche@acm.org, linux-scsi@vger.kernel.org,
	linux-nvme@lists.infradead.org,
	James.Bottomley@hansenpartnership.com, jmeneghi@redhat.com,
	emilne@redhat.com, bgurney@redhat.com
Subject: Re: [PATCH V3 0/3] Ensure ordered namespace registration during async scan
Date: Thu, 26 Feb 2026 08:09:32 -0700	[thread overview]
Message-ID: <aaBiLNe0O6R9-Lmv@kbusch-mbp> (raw)
In-Reply-To: <DGOQMFJJ6K5P.3KLF45WQT2SAS@arkamax.eu>

On Thu, Feb 26, 2026 at 09:07:10AM +0100, Maurizio Lombardi wrote:
> With your proposal, if a user has sparse NSIDs (1, 10, 333)
> then he will get /dev/nvme0n1, /dev/nvme0n10, /dev/nvme0n333.
> On one hand, yes, they are "more stable" and more meaningful too,
> on the other hand this breaks the assumption of contiguous naming.
> This might not be a problem for the mainline kernel, but I suspect we
> will have people complaining again that the /dev/nvmeXnY enumeration changed

The bonus of using the nsid is that it will always enumerate with the
same name even after you alter the other attached namespaces.

  reply	other threads:[~2026-02-26 15:09 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-25 16:12 [PATCH V3 0/3] Ensure ordered namespace registration during async scan Maurizio Lombardi
2026-02-25 16:12 ` [PATCH V3 1/3] lib: Introduce completion chain helper Maurizio Lombardi
2026-02-25 16:12 ` [PATCH V3 2/3] nvme-core: register namespaces in order during async scan Maurizio Lombardi
2026-02-25 21:37   ` kernel test robot
2026-02-25 16:12 ` [PATCH V3 3/3] scsi: Convert async scanning to use the completion chain helper Maurizio Lombardi
2026-02-25 21:41 ` [PATCH V3 0/3] Ensure ordered namespace registration during async scan Keith Busch
2026-02-26  8:07   ` Maurizio Lombardi
2026-02-26 15:09     ` Keith Busch [this message]
2026-02-26 16:35     ` John Meneghini
2026-02-26 18:15       ` Keith Busch
2026-03-02  7:16         ` Hannes Reinecke
2026-03-02 17:12           ` Keith Busch

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