From: Hannes Reinecke <hare@suse.de>
To: Arnd Bergmann <arnd@arndb.de>, Greg KH <gregkh@linuxfoundation.org>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
linux-block <linux-block@vger.kernel.org>
Subject: Re: [PATCH] remove the raw driver
Date: Mon, 31 May 2021 10:24:33 +0200 [thread overview]
Message-ID: <3665636f-6a74-e24f-e4b7-ff7790ebb3e4@suse.de> (raw)
In-Reply-To: <CAK8P3a0sctUYZnRBxS+PLted8_O1mT8JisLqO4jMHQaU=Q5iNw@mail.gmail.com>
On 5/31/21 10:21 AM, Arnd Bergmann wrote:
> On Mon, May 31, 2021 at 9:38 AM Greg KH <gregkh@linuxfoundation.org> wrote:
>>
>> On Mon, May 31, 2021 at 10:25:26AM +0300, Christoph Hellwig wrote:
>>> The raw driver used to provide direct unbuffered access to block devices
>>> before O_DIRECT was invented. It has been obsolete for more than a
>>> decade.
>>
>> What? Really? We can finally do this? Yes!
>>
>> For some reason, I thought there was some IBM userspace tools that
>> relied on this device, if not, then great!
>>
>>> Signed-off-by: Christoph Hellwig <hch@lst.de>
>>
>> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
>
> Acked-by: Arnd Bergmann <arnd@arndb.de>
> Link: https://lore.kernel.org/lkml/Pine.LNX.4.64.0703180754060.6605@CPE00045a9c397f-CM001225dbafb6/
>
> The discussion from 2007 is the last one I could find on lore that has
> useful information on when and why this was not removed in the past.
> The driver was scheduled from a 2005 removal in 2004, but not removed
> because both Red Hat and SuSE relied on the feature in their distros.
>
> From what I could find out, this continued to be the case in Red Hat
> Enterprise Linux 6 and SUSE Linux Enterprise server 11 that were
> supported between 2009 and 2020, but the following versions dropped
> the support.
>
Which I can confirm for SUSE.
Cheers,
Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@suse.de +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer
next prev parent reply other threads:[~2021-05-31 8:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-31 7:25 [PATCH] remove the raw driver Christoph Hellwig
2021-05-31 7:38 ` Greg KH
2021-05-31 7:39 ` Greg KH
2021-05-31 8:21 ` Arnd Bergmann
2021-05-31 8:24 ` Hannes Reinecke [this message]
2021-06-04 13:36 ` Greg KH
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