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From: hch@infradead.org (Christoph Hellwig)
Subject: [PATCH] NVMe: Use IDA for namespace disk naming
Date: Wed, 24 Feb 2016 05:05:20 -0800	[thread overview]
Message-ID: <20160224130520.GA17955@infradead.org> (raw)
In-Reply-To: <20160223225635.GB20250@localhost.localdomain>

On Tue, Feb 23, 2016@10:56:36PM +0000, Keith Busch wrote:
> > This looks sensible, but I fear we might be running into the same
> > issue with the backing_device embedded in the request_queue.
> 
> I don't think I follow. On rescanning, a new namespace with the same
> NSID as a previously deleted one will allocate a new request_queue.

But the bdi name embedds the major/minor of the device.  So if we
haven't fully torn down the device we might run into sysfs name
conflicts.

  reply	other threads:[~2016-02-24 13:05 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-18 18:18 [PATCH] NVMe: Use IDA for namespace disk naming Keith Busch
2016-02-21 16:12 ` Christoph Hellwig
2016-02-23 22:56   ` Keith Busch
2016-02-24 13:05     ` Christoph Hellwig [this message]
2016-02-24 14:58       ` Keith Busch
2016-02-24 19:33         ` Christoph Hellwig
2016-02-22  8:54 ` Sagi Grimberg
2016-02-25  8:55 ` Sagi Grimberg

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