From patchwork Tue Dec 8 16:28:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11959039 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=-16.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 924C7C2BB48 for ; Tue, 8 Dec 2020 16:38:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6344523AC8 for ; Tue, 8 Dec 2020 16:38:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728602AbgLHQiG (ORCPT ); Tue, 8 Dec 2020 11:38:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730403AbgLHQiG (ORCPT ); Tue, 8 Dec 2020 11:38:06 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0B57AC061794; Tue, 8 Dec 2020 08:37:26 -0800 (PST) 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=mDWnaDevg6j/LIqbxuNXDRQmS3LZ4FlK87nsZVHjQJ8=; b=JFMbcCImgU0rQUC46Gh5jSfyXr R7nm/tGTSpS/6kdC5nXL0AcPvDP40nPp/xnt3K/t0jcNxJSy2Q00sNapIdBCx2b17aOaWfL2viSLb 47tiNb+yd8CJy2aC1M+1ZWgg+0TQiG2VyKp7kdrO9eVD0TftLKPaM1GNODR7R53T8XiaJdQlzVdse sngMuhgBgn9AbqpL+X1QiU78oC1SF/J7r7DPoKLZyhopVWOMTBQL/1mCBUouLBSaa4r7jorYr9uoa AxkxjKPnp82d7a6vH8VlGv8HCE+DtQGF9GPk+/kycHqR3cnS7P4KER/8iMbofhUXyiu64iqu9ITK1 IZNixDFg==; Received: from [2001:4bb8:188:f36:7a30:8a2b:aea3:231b] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kmfzK-0001OD-V7; Tue, 08 Dec 2020 16:37:19 +0000 From: Christoph Hellwig To: Jens Axboe Cc: "Martin K . Petersen" , Oleksii Kurochko , Sagi Grimberg , Mike Snitzer , Ilya Dryomov , Dongsheng Yang , ceph-devel@vger.kernel.org, dm-devel@redhat.com, linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, Keith Busch Subject: [PATCH 6/6] nvme: allow revalidate to set a namespace read-only Date: Tue, 8 Dec 2020 17:28:29 +0100 Message-Id: <20201208162829.2424563-7-hch@lst.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201208162829.2424563-1-hch@lst.de> References: <20201208162829.2424563-1-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 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org 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: Keith Busch Reviewed-by: Martin K. Petersen Reviewed-by: Hannes Reinecke Reviewed-by: Ming Lei --- drivers/nvme/host/core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index ce1b6151944131..3a0557ccc9fc5d 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2114,9 +2114,8 @@ 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) || - test_bit(NVME_NS_FORCE_RO, &ns->flags)) - set_disk_ro(disk, true); + set_disk_ro(disk, (id->nsattr & NVME_NS_ATTR_RO) || + test_bit(NVME_NS_FORCE_RO, &ns->flags)); } static inline bool nvme_first_scan(struct gendisk *disk)