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From: Christoph Hellwig <hch@lst.de>
To: Martin Wilck <mwilck@suse.com>
Cc: Sagi Grimberg <sagi@grimberg.me>,
	Chaitanya Kulkarni <Chaitanya.Kulkarni@wdc.com>,
	linux-nvme@lists.infradead.org, Hannes Reinecke <hare@suse.de>,
	Keith Busch <kbusch@kernel.org>, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v2] nvme: avoid "(efault)" from nvme_sysfs_show_subsysnqn()
Date: Wed, 3 Feb 2021 17:51:49 +0100	[thread overview]
Message-ID: <20210203165149.GA6691@lst.de> (raw)
In-Reply-To: <a7f3114e22a07e60abfd98155df91dea3a83b386.camel@suse.com>

On Wed, Feb 03, 2021 at 01:31:13PM +0100, Martin Wilck wrote:
> > This is just papering over symptoms.  We should not be sending
> > events or display sysfs files until the controlle is live.
> 
> I don't follow. What's wrong with a "connecting" controller device in
> sysfs? 
> 
> Controllers can loose connectivity any time. What's the difference
> between a controller that is reconnecting after a connection loss and a
> freshly created controller that's just not live yet? You wouldn't
> delete the former from sysfs, I suppose.

What is wrong is that we should only add the device and thus send the
uevent notifcations when the device is fully set up.

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  reply	other threads:[~2021-02-03 16:52 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-02  0:59 [PATCH v2] nvme: avoid "(efault)" from nvme_sysfs_show_subsysnqn() mwilck
2021-02-02  1:34 ` Chaitanya Kulkarni
2021-02-02  7:58 ` Christoph Hellwig
2021-02-03 10:01   ` Sagi Grimberg
2021-02-03 12:31   ` Martin Wilck
2021-02-03 16:51     ` Christoph Hellwig [this message]
2021-02-03 16:52     ` Keith Busch
2021-02-03 22:19       ` Sagi Grimberg
2021-02-04  2:42         ` Keith Busch
2021-02-04  7:44           ` Sagi Grimberg

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