From: Keith Busch <kbusch@kernel.org>
To: John Meneghini <jmeneghi@redhat.com>
Cc: hch@lst.de, sagi@grimberg.me, bmarzins@redhat.com,
Bryan Gurney <bgurney@redhat.com>,
linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
Marco Patalano <mpatalan@redhat.com>,
axboe@kernel.dk, Randy Jennings <randyj@purestorage.com>
Subject: Re: [PATCH] nvme: remove multipath module parameter
Date: Tue, 18 Feb 2025 16:30:33 -0700 [thread overview]
Message-ID: <Z7UYGc25aKFL6oFj@kbusch-mbp> (raw)
In-Reply-To: <9495391f-eb31-4da5-95bf-e5f8eaafee38@redhat.com>
On Tue, Feb 18, 2025 at 06:06:05PM -0500, John Meneghini wrote:
> OK, maybe you have a use case in mind. I'll assume you do: some
> applications want to disable native nvme multipathing and to see
> all namespace paths in user space, and they are using this parameter
> to do it. These are ostensibly user space MP applications.
You can have a ublk frontend device with individual namespace paths on
the backend, and let ublkserver do whatever it wants with them.
> So what happens when one of these user space MP applications needs
> a change or a bug bug fix in the kernel? Are those patches being
> merged into the kernel under a different auspices... is it just
> DMMP that we don't want to enable support for?
I think patches exporting driver private information is a pretty clear
indicator it's for stacking drivers.
next prev parent reply other threads:[~2025-02-18 23:30 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-04 21:11 [PATCH] nvme: remove multipath module parameter Bryan Gurney
2025-02-13 20:37 ` John Meneghini
2025-02-17 8:08 ` Sagi Grimberg
2025-02-17 16:14 ` John Meneghini
2025-02-18 8:19 ` Sagi Grimberg
2025-02-18 14:05 ` John Meneghini
2025-02-18 14:57 ` John Meneghini
2025-02-18 15:06 ` Keith Busch
2025-02-18 16:31 ` John Meneghini
2025-02-18 17:15 ` Keith Busch
2025-02-18 23:06 ` John Meneghini
2025-02-18 23:30 ` Keith Busch [this message]
2025-02-19 14:47 ` Nilay Shroff
2025-02-20 11:05 ` Sagi Grimberg
2025-02-20 16:47 ` Keith Busch
2025-02-26 9:55 ` Hannes Reinecke
2025-03-05 14:15 ` Christoph Hellwig
2025-03-05 15:17 ` Keith Busch
2025-03-05 23:51 ` Christoph Hellwig
2025-03-05 23:57 ` Keith Busch
2025-03-06 0:03 ` Christoph Hellwig
2025-03-06 0:15 ` Keith Busch
2025-03-06 7:12 ` Hannes Reinecke
2025-03-06 14:18 ` Christoph Hellwig
2025-03-06 15:01 ` Keith Busch
2025-03-06 15:16 ` Christoph Hellwig
2025-03-07 0:46 ` Keith Busch
2025-03-07 15:19 ` Nilay Shroff
2025-03-07 15:43 ` Keith Busch
2025-03-09 17:23 ` Nilay Shroff
2025-03-10 13:29 ` Christoph Hellwig
2025-03-12 3:47 ` John Meneghini
2025-03-12 15:26 ` Nilay Shroff
2025-03-10 13:28 ` Christoph Hellwig
2025-03-12 3:08 ` John Meneghini
2025-02-18 14:26 ` John Meneghini
2025-02-18 16:41 ` John Meneghini
2025-02-18 14:43 ` John Meneghini
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