From patchwork Mon Nov 16 14:57:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11909463 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1DD0E697 for ; Mon, 16 Nov 2020 15:10:49 +0000 (UTC) Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E1ADB223C7 for ; Mon, 16 Nov 2020 15:10:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="YqzdVakm" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E1ADB223C7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=xen-devel-bounces@lists.xenproject.org Received: from list by lists.xenproject.org with outflank-mailman.28083.56781 (Exim 4.92) (envelope-from ) id 1keg8Y-00016h-Kn; Mon, 16 Nov 2020 15:09:46 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 28083.56781; Mon, 16 Nov 2020 15:09:46 +0000 X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1keg8Y-00015w-2q; Mon, 16 Nov 2020 15:09:46 +0000 Received: by outflank-mailman (input) for mailman id 28083; Mon, 16 Nov 2020 15:09:42 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1keg0e-0006ni-59 for xen-devel@lists.xenproject.org; Mon, 16 Nov 2020 15:01:36 +0000 Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 18fe1c3d-ab60-458b-bf87-aa52f0c77773; Mon, 16 Nov 2020 14:59:12 +0000 (UTC) Received: from [2001:4bb8:180:6600:255b:7def:a93:4a09] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kefy5-0003vm-UU; Mon, 16 Nov 2020 14:58:58 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1keg0e-0006ni-59 for xen-devel@lists.xenproject.org; Mon, 16 Nov 2020 15:01:36 +0000 X-Inumbo-ID: 18fe1c3d-ab60-458b-bf87-aa52f0c77773 Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 18fe1c3d-ab60-458b-bf87-aa52f0c77773; Mon, 16 Nov 2020 14:59:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=v/lQzgfk3g8cFkaFjGaW1PVi+J4d/Qp7XTb0qTcrcMw=; b=YqzdVakmLdPHF6ezNwy3j22Rhk XQVP6AxA/GIysbqTVVeNbFaXKt7fGm9agC08PMgcnJUJeh74vxBSvOfGIuDA/W9HICp10ASgp343S hLuXPuNnKIIaKSmewfilQzler2ZMSLSZNnA3JzXsI/oA/vpGcupQtF+vIl+sykv24N3IbJmKQaPjW Jn9WRJEVebbUFdcTwhZRo/qo4f5NgH2pRWNmJeZrAnILNTOw/lnNzTwrq9w/rBYEhDgZjS59KWZ4g UrBImqs7+qvykUY+GYj6lm5Ht8/hTyu9yEFUWTYQLA51bItg9eUgBTuodXJbLE5gVUevZsuOFItUu Kp0yfIOw==; Received: from [2001:4bb8:180:6600:255b:7def:a93:4a09] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kefy5-0003vm-UU; Mon, 16 Nov 2020 14:58:58 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Justin Sanders , Josef Bacik , Ilya Dryomov , Jack Wang , "Michael S. Tsirkin" , Jason Wang , Paolo Bonzini , Stefan Hajnoczi , Konrad Rzeszutek Wilk , =?utf-8?q?Roger_Pau_Monn?= =?utf-8?q?=C3=A9?= , Minchan Kim , Mike Snitzer , Song Liu , "Martin K. Petersen" , dm-devel@redhat.com, linux-block@vger.kernel.org, drbd-dev@lists.linbit.com, nbd@other.debian.org, ceph-devel@vger.kernel.org, xen-devel@lists.xenproject.org, linux-raid@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: [PATCH 34/78] block: propagate BLKROSET to all partitions Date: Mon, 16 Nov 2020 15:57:25 +0100 Message-Id: <20201116145809.410558-35-hch@lst.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201116145809.410558-1-hch@lst.de> References: <20201116145809.410558-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html 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 Reviewed-by: Hannes Reinecke --- 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; }