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From: Linus Torvalds <torvalds@linux-foundation.org>
To: Tejun Heo <tj@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: odd sysfs find behavior, was: Re: [PATCH v6 00/10] Implement NVMe Namespace Descriptor Identification
Date: Wed, 21 Jun 2017 17:21:40 -0700	[thread overview]
Message-ID: <CA+55aFzAfUts9VkGjO6x97kb5PGALhKC2r0qAJQU9KNCRT373A@mail.gmail.com> (raw)
In-Reply-To: <20170619175934.GB12062@htj.duckdns.org>

On Mon, Jun 19, 2017 at 10:59 AM, Tejun Heo <tj@kernel.org> wrote:
>
> So, looks like this is the debugfs automount mechanism changing nlinks
> across automounts and confusing find in the process.  Greg?

Btw, you should be able to use the "-noleaf" option to find to disable
the whole "count nlink of directories" logic.

So does

    find /sys -noleaf -name uuid

work reliably whether that automount thing has triggered or not?

That said, I don't understand why the automount of debugfs should
matter. It's not even under the same hierarchy as any of the uuid
files, unless I'm confused. So the nlink on *those* directories
shouldn't even matter. Very odd.

                   Linus

  parent reply	other threads:[~2017-06-22  0:21 UTC|newest]

Thread overview: 76+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-07  9:45 [PATCH v6 00/10] Implement NVMe Namespace Descriptor Identification Johannes Thumshirn
2017-06-07  9:45 ` Johannes Thumshirn
2017-06-07  9:45 ` [PATCH v6 01/10] scatterlist: add sg_zeroout_area() helper Johannes Thumshirn
2017-06-07  9:45   ` Johannes Thumshirn
2017-06-07  9:49   ` Sagi Grimberg
2017-06-07  9:49     ` Sagi Grimberg
2017-06-08  7:41   ` Christoph Hellwig
2017-06-08  7:41     ` Christoph Hellwig
2017-06-08  7:46     ` Johannes Thumshirn
2017-06-08  7:46       ` Johannes Thumshirn
2017-06-07  9:45 ` [PATCH v6 02/10] nvmet: use NVME_IDENTIFY_DATA_SIZE Johannes Thumshirn
2017-06-07  9:45   ` Johannes Thumshirn
2017-06-08  7:42   ` Christoph Hellwig
2017-06-08  7:42     ` Christoph Hellwig
2017-06-07  9:45 ` [PATCH v6 03/10] nvme: introduce NVMe Namespace Identification Descriptor structures Johannes Thumshirn
2017-06-07  9:45   ` Johannes Thumshirn
2017-06-08  7:42   ` Christoph Hellwig
2017-06-08  7:42     ` Christoph Hellwig
2017-06-07  9:45 ` [PATCH v6 04/10] nvme: rename uuid to nguid in nvme_ns Johannes Thumshirn
2017-06-07  9:45   ` Johannes Thumshirn
2017-06-07  9:45 ` [PATCH v6 05/10] nvmet: implement namespace identify descriptor list Johannes Thumshirn
2017-06-07  9:45   ` Johannes Thumshirn
2017-06-07  9:50   ` Sagi Grimberg
2017-06-07  9:50     ` Sagi Grimberg
2017-06-08  7:44   ` Christoph Hellwig
2017-06-08  7:44     ` Christoph Hellwig
2017-06-08  7:49     ` Johannes Thumshirn
2017-06-08  7:49       ` Johannes Thumshirn
2017-06-08  7:52       ` Christoph Hellwig
2017-06-08  7:52         ` Christoph Hellwig
2017-06-08  7:55         ` Johannes Thumshirn
2017-06-08  7:55           ` Johannes Thumshirn
2017-06-08  7:57           ` Christoph Hellwig
2017-06-08  7:57             ` Christoph Hellwig
     [not found]         ` <MWHPR04MB10088151BCB7D7A209A739E686CD0@MWHPR04MB1008.namprd04.prod.outlook.com>
2017-06-12 16:19           ` Christoph Hellwig
2017-06-12 16:19             ` Christoph Hellwig
2017-06-07  9:45 ` [PATCH v6 06/10] nvmet: add uuid field to nvme_ns and populate via configfs Johannes Thumshirn
2017-06-07  9:45   ` Johannes Thumshirn
2017-06-08  7:44   ` Christoph Hellwig
2017-06-08  7:44     ` Christoph Hellwig
2017-06-07  9:45 ` [PATCH v6 07/10] nvme: get list of namespace descriptors Johannes Thumshirn
2017-06-07  9:45   ` Johannes Thumshirn
2017-06-08  7:46   ` Christoph Hellwig
2017-06-08  7:46     ` Christoph Hellwig
2017-06-07  9:45 ` [PATCH v6 08/10] nvme: provide UUID value to userspace Johannes Thumshirn
2017-06-07  9:45   ` Johannes Thumshirn
2017-06-07  9:45 ` [PATCH v6 09/10] nvmet: allow overriding the NVMe VS via configfs Johannes Thumshirn
2017-06-07  9:45   ` Johannes Thumshirn
2017-06-08  7:47   ` Christoph Hellwig
2017-06-08  7:47     ` Christoph Hellwig
2017-06-15 16:31 ` [PATCH v6 00/10] Implement NVMe Namespace Descriptor Identification Christoph Hellwig
2017-06-15 16:31   ` Christoph Hellwig
2017-06-16  8:20   ` Johannes Thumshirn
2017-06-16  8:20     ` Johannes Thumshirn
2017-06-16  9:40     ` Christoph Hellwig
2017-06-16  9:40       ` Christoph Hellwig
2017-06-16  9:48       ` Johannes Thumshirn
2017-06-16  9:48         ` Johannes Thumshirn
2017-06-16  9:58         ` Christoph Hellwig
2017-06-16  9:58           ` Christoph Hellwig
2017-06-16  9:59           ` Johannes Thumshirn
2017-06-16  9:59             ` Johannes Thumshirn
2017-06-16 13:28           ` Linus Torvalds
2017-06-16 13:28             ` Linus Torvalds
2017-06-17 12:08             ` odd sysfs find behavior, was: " Christoph Hellwig
2017-06-18  1:12               ` Greg Kroah-Hartman
2017-06-18  7:32                 ` Christoph Hellwig
     [not found]                   ` <20170618073305.GB25797@lst.de>
2017-06-18 10:20                     ` Tejun Heo
2017-06-18 10:32                       ` Tejun Heo
2017-06-18 13:43                       ` Christoph Hellwig
2017-06-19 17:59                         ` Tejun Heo
2017-06-21 14:48                           ` Greg Kroah-Hartman
2017-06-21 15:36                             ` Tejun Heo
2017-06-22  0:21                           ` Linus Torvalds [this message]
2017-06-22  0:06             ` Eric W. Biederman
2017-06-22  0:06               ` Eric W. Biederman

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