From owner-svn-src-all@freebsd.org  Mon Jan 15 12:26:11 2018
Return-Path: <owner-svn-src-all@freebsd.org>
Delivered-To: svn-src-all@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 13B5CE7A068;
 Mon, 15 Jan 2018 12:26:11 +0000 (UTC)
 (envelope-from kostikbel@gmail.com)
Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client did not present a certificate)
 by mx1.freebsd.org (Postfix) with ESMTPS id 9EF247231C;
 Mon, 15 Jan 2018 12:26:10 +0000 (UTC)
 (envelope-from kostikbel@gmail.com)
Received: from tom.home (kib@localhost [127.0.0.1])
 by kib.kiev.ua (8.15.2/8.15.2) with ESMTPS id w0FCPuQu002647
 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO);
 Mon, 15 Jan 2018 14:26:00 +0200 (EET)
 (envelope-from kostikbel@gmail.com)
DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua w0FCPuQu002647
Received: (from kostik@localhost)
 by tom.home (8.15.2/8.15.2/Submit) id w0FCPupV002645;
 Mon, 15 Jan 2018 14:25:56 +0200 (EET)
 (envelope-from kostikbel@gmail.com)
X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com
 using -f
Date: Mon, 15 Jan 2018 14:25:56 +0200
From: Konstantin Belousov <kostikbel@gmail.com>
To: Andriy Gapon <avg@FreeBSD.org>
Cc: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-head@freebsd.org
Subject: Re: svn commit: r327996 - in head/sys: cam/scsi geom
Message-ID: <20180115122556.GH1684@kib.kiev.ua>
References: <201801151120.w0FBK0Jf006161@repo.freebsd.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <201801151120.w0FBK0Jf006161@repo.freebsd.org>
User-Agent: Mutt/1.9.2 (2017-12-15)
X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00,
 DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no
 autolearn_force=no version=3.4.1
X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on tom.home
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.25
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all/>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 15 Jan 2018 12:26:11 -0000

On Mon, Jan 15, 2018 at 11:20:00AM +0000, Andriy Gapon wrote:
> Author: avg
> Date: Mon Jan 15 11:20:00 2018
> New Revision: 327996
> URL: https://svnweb.freebsd.org/changeset/base/327996
> 
> Log:
>   geom_disk / scsi_da: deny opening write-protected disks for writing
>   
>   Ths change consists of two parts.
>   
>   geom_disk: deny opening a disk for writing if it's marked as
>   write-protected.  A new disk(9) flag is added to mark write protected
>   disks.  A possible alternative could be to add another parameter to d_open,
>   so that the open mode could be passed to it and the disk drivers could
>   make the decision internally, but the flag required less churn.

If you need the mode, use d_fdopen cdevsw method.