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From: Christoph Hellwig <hch@lst.de>
To: Alan Adamson <alan.adamson@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>,
	Luis Chamberlain <mcgrof@kernel.org>,
	Klaus Jensen <its@irrelevant.dk>, Keith Busch <kbusch@kernel.org>,
	Sagi Grimberg <sagi@grimberg.me>,
	"linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Subject: Re: [PATCH 4/4] nvme: check that EUI/GUID/UUID are globally unique
Date: Wed, 20 Apr 2022 09:36:41 +0200	[thread overview]
Message-ID: <20220420073641.GA6859@lst.de> (raw)
In-Reply-To: <C85067CB-3909-4B62-A86D-467827EBF96E@oracle.com>

On Mon, Apr 18, 2022 at 11:30:33PM +0000, Alan Adamson wrote:
> I ran into an issue with blktests and my qemu setup when passthru is enabled.  The passthru tests
> do not complete.  This was because the UUID for the passthru device is coming from the a device
> from the same system since the fabric was setup as a loop and nvme_global_check_duplicate_ids() fails.
> 
> This is probably not a valid real life configuration, but since blktests try to test fabrics on a single
> system, we have this issue.
> 
> I’ve hacked together a fix to manipulate Namespace Identifier’s to get the test to work.  Is there a
> why for blktests to hardcode the IDs for the passthru devices?

Hmm.  I suspect the best thing would be to optionally just clear the
IDS entirely.  Optionally as in maybe a fabrics connect argument,
with it defaulting to true only for loop as that is per definition
local.


  reply	other threads:[~2022-04-20  7:37 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-24 19:28 properly validate the nvme uniqueue identifiers are unique v2 Christoph Hellwig
2022-02-24 19:28 ` [PATCH 1/4] nvme: cleanup __nvme_check_ids Christoph Hellwig
2022-02-24 22:50   ` Chaitanya Kulkarni
2022-02-24 19:28 ` [PATCH 2/4] nvme: fix the check for duplicate unique identifiers Christoph Hellwig
2022-02-24 22:51   ` Chaitanya Kulkarni
2022-02-24 19:28 ` [PATCH 3/4] nvme: check for duplicate identifiers earlier Christoph Hellwig
2022-02-24 22:52   ` Chaitanya Kulkarni
2022-02-24 19:28 ` [PATCH 4/4] nvme: check that EUI/GUID/UUID are globally unique Christoph Hellwig
2022-02-24 22:54   ` Chaitanya Kulkarni
2022-04-08  1:04   ` Luis Chamberlain
2022-04-08  5:29     ` Christoph Hellwig
2022-04-08  7:19       ` Klaus Jensen
2022-04-08 16:10         ` Christoph Hellwig
2022-04-08 17:46           ` Luis Chamberlain
2022-04-11  5:05             ` Christoph Hellwig
2022-04-11  5:54               ` Christoph Hellwig
2022-04-11  6:01                 ` Klaus Jensen
2022-04-11  6:09                   ` Christoph Hellwig
2022-04-11  6:11                     ` Klaus Jensen
2022-04-12 18:46                 ` Luis Chamberlain
2022-04-18 23:30                 ` Alan Adamson
2022-04-20  7:36                   ` Christoph Hellwig [this message]
2022-06-06 20:35                     ` Alan Adamson
2022-06-06 21:38                       ` Keith Busch
2022-06-06 21:51                         ` Alan Adamson
2022-06-06 21:58                           ` Keith Busch
2022-06-06 23:11                             ` Alan Adamson
2022-06-07 19:01                               ` Keith Busch
2022-06-08  7:48                               ` Christoph Hellwig
2022-06-08  7:52                       ` Christoph Hellwig
2022-06-08 18:11                         ` Alan Adamson
2022-06-08 19:04                           ` Keith Busch
2022-06-09  0:30                             ` Chaitanya Kulkarni
2022-06-09 15:11                               ` Alan Adamson
2022-06-09  3:53                             ` Christoph Hellwig
2022-06-10  0:27                               ` Alan Adamson
2022-06-10 14:12                                 ` Keith Busch
2022-06-15 20:15                                   ` Alan Adamson
2022-06-17  9:01                                     ` Christoph Hellwig
2022-06-21 18:40                                       ` Alan Adamson
2022-06-21 19:11                                         ` Keith Busch
2022-06-21 20:39                                           ` Alan Adamson
2022-06-22 11:00                                           ` Christoph Hellwig
2022-06-22 15:45                                             ` Alan Adamson
2022-02-24 19:38 ` properly validate the nvme uniqueue identifiers are unique v2 Keith Busch
  -- strict thread matches above, loose matches on Subject: below --
2022-06-05  1:58 [PATCH 4/4] nvme: check that EUI/GUID/UUID are globally unique Stefan
2022-06-06  6:40 ` Christoph Hellwig
2022-06-06 12:42   ` Stefan
2022-06-06 15:03     ` Christoph Hellwig
2022-06-06 14:51   ` Keith Busch
2022-06-06 15:06     ` Christoph Hellwig

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