From patchwork Sun Nov 29 18:19:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11939285 X-Patchwork-Delegate: snitzer@redhat.com 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=-13.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 95B13C3E8C5 for ; Sun, 29 Nov 2020 18:42:12 +0000 (UTC) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8056020771 for ; Sun, 29 Nov 2020 18:42:11 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8056020771 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: mail.kernel.org; spf=tempfail smtp.mailfrom=dm-devel-bounces@redhat.com Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-187-KnlhdRT8P96LAcy-MbInDA-1; Sun, 29 Nov 2020 13:42:08 -0500 X-MC-Unique: KnlhdRT8P96LAcy-MbInDA-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 6563D1823DD5; Sun, 29 Nov 2020 18:42:03 +0000 (UTC) Received: from colo-mx.corp.redhat.com (colo-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.21]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2519C5D9D2; Sun, 29 Nov 2020 18:42:03 +0000 (UTC) Received: from lists01.pubmisc.prod.ext.phx2.redhat.com (lists01.pubmisc.prod.ext.phx2.redhat.com [10.5.19.33]) by colo-mx.corp.redhat.com (Postfix) with ESMTP id 07A204A7C6; Sun, 29 Nov 2020 18:41:59 +0000 (UTC) Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) by lists01.pubmisc.prod.ext.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id 0ATIfvBk029788 for ; Sun, 29 Nov 2020 13:41:57 -0500 Received: by smtp.corp.redhat.com (Postfix) id 2DDC92166B2A; Sun, 29 Nov 2020 18:41:57 +0000 (UTC) Received: from mimecast-mx02.redhat.com (mimecast02.extmail.prod.ext.rdu2.redhat.com [10.11.55.18]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 293332166B28 for ; Sun, 29 Nov 2020 18:41:53 +0000 (UTC) Received: from us-smtp-1.mimecast.com (us-smtp-1.mimecast.com [207.211.31.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 194F48007DF for ; Sun, 29 Nov 2020 18:41:53 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-195-AWVwV_KQPCK5x_8cBrB4Zw-1; Sun, 29 Nov 2020 13:41:49 -0500 X-MC-Unique: AWVwV_KQPCK5x_8cBrB4Zw-1 Received: from [2001:4bb8:18c:1dd6:f89e:6884:c966:3d6c] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kjRIU-00078D-8U; Sun, 29 Nov 2020 18:19:43 +0000 From: Christoph Hellwig To: Jens Axboe Date: Sun, 29 Nov 2020 19:19:25 +0100 Message-Id: <20201129181926.897775-4-hch@lst.de> In-Reply-To: <20201129181926.897775-1-hch@lst.de> References: <20201129181926.897775-1-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 X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 X-loop: dm-devel@redhat.com Cc: Sagi Grimberg , Mike Snitzer , Oleksii Kurochko , Dongsheng Yang , linux-block@vger.kernel.org, dm-devel@redhat.com, linux-nvme@lists.infradead.org, "Martin K . Petersen" , Ilya Dryomov , ceph-devel@vger.kernel.org Subject: [dm-devel] [PATCH 3/4] nvme: allow revalidate to set a namespace read-only X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Unconditionally call set_disk_ro now that it only updates the hardware state. This allows to properly set up the Linux devices read-only when the controller turns a previously writable namespace read-only. Signed-off-by: Christoph Hellwig Reviewed-by: Chaitanya Kulkarni Reviewed-by: Hannes Reinecke --- drivers/nvme/host/core.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index bc89e8659c403f..2442f43a1a5624 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2047,8 +2047,7 @@ static void nvme_update_disk_info(struct gendisk *disk, nvme_config_discard(disk, ns); nvme_config_write_zeroes(disk, ns); - if (id->nsattr & NVME_NS_ATTR_RO) - set_disk_ro(disk, true); + set_disk_ro(disk, id->nsattr & NVME_NS_ATTR_RO); } static inline bool nvme_first_scan(struct gendisk *disk)