linux-kernel - [PATCH 0/4] nvme: make core.nvme

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Message-ID: <20250228032541.369804-1-jmeneghi@redhat.com>
Date: Thu, 27 Feb 2025 22:25:37 -0500
From: John Meneghini <jmeneghi@...hat.com>
To: kbusch@...nel.org,
	hch@....de,
	sagi@...mberg.me
Cc: loberman@...hat.com,
	linux-nvme@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	emilne@...hat.com,
	jmeneghi@...hat.com,
	bgurney@...hat.com
Subject: [PATCH 0/4] nvme: make core.nvme_multipath configurable   

These patches propose an alternative to outright removing the multipath
module parameter. Rather than deleting this module parameter we control
its appearance with a new Kconfig option named NVME_MULTIPATH_PARAM

Note that the default kernel config settings produce a kernel
with no change in functionality. By default both NVME_MULTIPATH
and NVME_MULTIPATH_PARAM are enabled and there are no user visable
changes.

To remove the core.nvme_multipath parameter simply compile with
NVME_MULTIPATH_PARAM=n.

Hopefully this compromise gives everyone what they want.

Closes: https://lore.kernel.org/linux-nvme/20250204211158.43126-1-bgurney@redhat.com/

John Meneghini (4):
  nvme-multipath: change the NVME_MULTIPATH config option
  nvme-multipath: add the NVME_MULTIPATH_PARAM config option
  nvme: update the multipath warning in nvme_init_ns_head
  nvme: add mulitipath warning to nvme_alloc_ns

 drivers/nvme/host/Kconfig     | 28 ++++++++++++++++++++++++----
 drivers/nvme/host/core.c      | 19 ++++++++++++++++++-
 drivers/nvme/host/multipath.c |  3 ++-
 3 files changed, 44 insertions(+), 6 deletions(-)

-- 
2.48.1