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From: keith.busch@intel.com (Keith Busch)
Subject: [PATCH 2/2] nvme/multipath: Fix multipath disabled naming collisions
Date: Mon, 29 Oct 2018 09:42:29 -0600	[thread overview]
Message-ID: <20181029154229.GA16586@localhost.localdomain> (raw)
In-Reply-To: <CAD4F464-15CC-44B9-9C72-B5F2BDFC5445@raithlin.com>

On Mon, Oct 29, 2018@03:37:46PM +0000, Stephen  Bates wrote:
> Note how the /nvme/nvme0/ sysfs directory contains the nvme1n1
> namespace. Is this expected? I am not that familiar with the multipath
> code so I'm not sure if this is a bug or not but it sure is confusing.
> Disabling CONFIG_NVME_MULTIPATH reverts to the legacy naming
> convention. This happens in all the 4.19, 4.18 and 4.17 kernels we
> tested. I've not tried the for-next tree.

That is expected. We still need character devices to each controller path
for administration, but we don't need block devices to each namespace
path, so the numbers in the controller and block handles are independent
of each other.

  reply	other threads:[~2018-10-29 15:42 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-26 21:49 [PATCH 0/2] nvme multipath naming fixes Keith Busch
2018-04-26 21:49 ` [PATCH 1/2] nvme/multipath: Disable runtime writable enabling parameter Keith Busch
2018-04-27  5:20   ` Christoph Hellwig
2018-04-27 15:48     ` Keith Busch
2018-10-30 18:17   ` Sagi Grimberg
2018-10-30 18:18     ` Sagi Grimberg
2018-10-30 18:24       ` Keith Busch
2018-10-31  5:28         ` Christoph Hellwig
2018-04-26 21:49 ` [PATCH 2/2] nvme/multipath: Fix multipath disabled naming collisions Keith Busch
2018-04-27  5:21   ` Christoph Hellwig
2018-10-29 15:37   ` Stephen  Bates
2018-10-29 15:42     ` Keith Busch [this message]
2018-10-29 15:48       ` Stephen  Bates
2018-10-29 15:55         ` Keith Busch

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