From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07902C4741F for ; Fri, 6 Nov 2020 14:08:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9F500207F7 for ; Fri, 6 Nov 2020 14:08:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727251AbgKFOIX (ORCPT ); Fri, 6 Nov 2020 09:08:23 -0500 Received: from verein.lst.de ([213.95.11.211]:51694 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726812AbgKFOIX (ORCPT ); Fri, 6 Nov 2020 09:08:23 -0500 Received: by verein.lst.de (Postfix, from userid 2407) id 59BF668B02; Fri, 6 Nov 2020 15:08:18 +0100 (CET) Date: Fri, 6 Nov 2020 15:08:17 +0100 From: Christoph Hellwig To: Jens Axboe Cc: Ilya Dryomov , Song Liu , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Stefan Haberland , Jan Hoeppner , linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-mtd@lists.infradead.org, linux-s390@vger.kernel.org, martin.petersen@oracle.com Subject: [PATCH, RFC 11/10] block: propagate BLKROSET to all partitions Message-ID: <20201106140817.GA23557@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-raid@vger.kernel.org When setting the whole device read-only (or clearing the read-only state), also update the policy for all partitions. The s390 dasd driver has awlways been doing this and it makes a lot of sense. Signed-off-by: Christoph Hellwig --- block/ioctl.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/block/ioctl.c b/block/ioctl.c index 6b785181344fe1..22f394d118c302 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -354,7 +354,10 @@ static int blkdev_roset(struct block_device *bdev, fmode_t mode, if (ret) return ret; } - bdev->bd_part->policy = n; + if (bdev_is_partition(bdev)) + bdev->bd_part->policy = n; + else + set_disk_ro(bdev->bd_disk, n); return 0; } -- 2.28.0