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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: longli@linuxonhyperv.com
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-hyperv@vger.kernel.org, Long Li <longli@microsoft.com>,
	Jonathan Corbet <corbet@lwn.net>,
	"K. Y. Srinivasan" <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>, Dexuan Cui <decui@microsoft.com>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Hans de Goede <hdegoede@redhat.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Maximilian Luz <luzmaximilian@gmail.com>,
	Mike Rapoport <rppt@kernel.org>,
	Ben Widawsky <ben.widawsky@intel.com>,
	Jiri Slaby <jirislaby@kernel.org>,
	Andra Paraschiv <andraprs@amazon.com>,
	Siddharth Gupta <sidgup@codeaurora.org>,
	Hannes Reinecke <hare@suse.de>,
	linux-doc@vger.kernel.org
Subject: Re: [Patch v5 2/3] Drivers: hv: add Azure Blob driver
Date: Thu, 5 Aug 2021 09:11:33 +0200	[thread overview]
Message-ID: <YQuPJUX4+HZ3FeKC@kroah.com> (raw)
In-Reply-To: <1628146812-29798-3-git-send-email-longli@linuxonhyperv.com>

On Thu, Aug 05, 2021 at 12:00:11AM -0700, longli@linuxonhyperv.com wrote:
> +static int az_blob_create_device(struct az_blob_device *dev)
> +{
> +	int ret;
> +	struct dentry *debugfs_root;
> +
> +	dev->misc.minor	= MISC_DYNAMIC_MINOR,
> +	dev->misc.name	= "azure_blob",
> +	dev->misc.fops	= &az_blob_client_fops,
> +
> +	ret = misc_register(&dev->misc);
> +	if (ret)
> +		return ret;
> +
> +	debugfs_root = debugfs_create_dir("az_blob", NULL);

So you try to create a directory in the root of debugfs called "az_blob"
for every device in the system of this one type?

That will blow up when you have multiple devices of the same type,
please fix.

thanks,

greg k-h

  reply	other threads:[~2021-08-05  7:11 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-05  7:00 [Patch v5 0/3] Introduce a driver to support host accelerated access to Microsoft Azure Blob for Azure VM longli
2021-08-05  7:00 ` [Patch v5 1/3] Drivers: hv: vmbus: add support to ignore certain PCIE devices longli
2021-08-05  7:00 ` [Patch v5 2/3] Drivers: hv: add Azure Blob driver longli
2021-08-05  7:11   ` Greg Kroah-Hartman [this message]
2021-08-05 18:07     ` Long Li
2021-08-05 18:16       ` Greg Kroah-Hartman
2021-08-05 17:06   ` Bart Van Assche
2021-08-05 18:10     ` Long Li
2021-08-05 18:17     ` Greg Kroah-Hartman
2021-09-07 21:42   ` Michael Kelley
2021-08-05  7:00 ` [Patch v5 3/3] Drivers: hv: Add to maintainer for Hyper-V/Azure drivers longli
2021-08-05  7:08 ` [Patch v5 0/3] Introduce a driver to support host accelerated access to Microsoft Azure Blob for Azure VM Greg Kroah-Hartman
2021-08-05 18:27   ` Long Li
2021-08-05 18:33     ` Greg Kroah-Hartman
2021-08-05 17:09 ` Bart Van Assche
2021-08-05 18:24   ` Long Li
2021-08-05 18:34     ` Greg Kroah-Hartman
2021-08-07 18:29       ` Long Li
2021-08-08  5:14         ` Greg Kroah-Hartman
2021-08-10  3:01           ` Long Li
2021-09-22 23:55             ` Long Li
2021-09-30 22:25               ` Long Li
2021-10-01  7:36                 ` Greg Kroah-Hartman
2021-10-07 18:15                   ` Long Li
2021-10-08  5:54                     ` Greg Kroah-Hartman
2021-10-08 11:11                       ` Vitaly Kuznetsov
2021-10-08 11:19                         ` Greg Kroah-Hartman
2021-10-08 13:28                           ` Vitaly Kuznetsov
2021-10-11 17:57                             ` Long Li
2021-10-13  0:58                               ` Long Li
2021-10-13  7:03                                 ` Greg Kroah-Hartman
2021-10-11 17:55                           ` Long Li
2021-10-11 17:46                         ` Long Li
2021-10-11 17:58                           ` Greg Kroah-Hartman
2021-10-11 19:38                             ` Long Li

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