From: "Srivatsa S. Bhat" <srivatsa@csail.mit.edu>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: logang@deltatee.com, axboe@kernel.dk, jlayton@poochiereds.net,
bfields@fieldses.org, linux-kernel@vger.kernel.org
Subject: Re: Change in register_blkdev() behavior
Date: Thu, 1 Feb 2018 16:25:08 -0800 [thread overview]
Message-ID: <2c9a88ae-89e5-e89e-ade3-3eebd2a26a85@csail.mit.edu> (raw)
In-Reply-To: <20180131142403.GB9233@kroah.com>
On 1/31/18 6:24 AM, Greg KH wrote:
> On Tue, Jan 30, 2018 at 04:56:32PM -0800, Srivatsa S. Bhat wrote:
>>
>> Hi,
>>
>> Before commit 133d55cdb2f "block: order /proc/devices by major number",
>> if register_blkdev() was called with major = [1..UINT_MAX], it used to
>> succeed (provided the requested major number was actually free).
>
> How was LTP calling register_blkdev() with such crazy numbers?
>
Haha :-) No idea!
> Anyway, I agree with Logan, this sounds like something to be resolved in
> LTP, as allowing block devices with numbers greater than the number we
> really allow seems like an odd requirement :)
>
Agreed! And thanks for confirming!
Regards,
Srivatsa
prev parent reply other threads:[~2018-02-02 0:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-31 0:56 Srivatsa S. Bhat
2018-01-31 1:26 ` Logan Gunthorpe
2018-02-02 0:23 ` Srivatsa S. Bhat
2018-02-02 1:10 ` Logan Gunthorpe
2018-02-02 2:17 ` Srivatsa S. Bhat
2018-02-02 6:12 ` Logan Gunthorpe
2018-01-31 14:24 ` Greg KH
2018-02-02 0:25 ` Srivatsa S. Bhat [this message]
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