From patchwork Wed Nov 3 12:21:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luis Chamberlain X-Patchwork-Id: 12600693 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC790C43217 for ; Wed, 3 Nov 2021 12:22:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AE91061151 for ; Wed, 3 Nov 2021 12:22:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232176AbhKCMZM (ORCPT ); Wed, 3 Nov 2021 08:25:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57230 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231804AbhKCMYr (ORCPT ); Wed, 3 Nov 2021 08:24:47 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5FA4CC061203; Wed, 3 Nov 2021 05:22:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description; bh=ta8T2h+igHLkoXYKSDSsnffhuWJk+sXQmUMRve+1Rno=; b=GjG8sub2opJo2VJVXBNOnoUg0u LBNfxAar6SgW57AHIINAd+s2vt+OYmMUu64B3BnSiY8264QtM76epibtiDmbwikgwzTJkjJVr798d pkKw/Ei4KRx/cirUg+TwSOplcuPcXuLCz7lC4v9bC0tQpGY2Vj8feC8Cn2C9aUkhRZvXeGo0+kRDY FWoBjBQrhoD126rdQNkS9Yrvi494sPilHfG0HwAd4l4yTYZa3BuHbbGhqYUaTJ2BiPouqtZYwqHjh wcHv5kdsXqColJqkvG1bGUwz4bgzmf23yPJGFhU1WntGUVse4zUpulxkc2KCZcQGaxMxv2BVIJBAU qikEERCA==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1miFHC-0056IA-5g; Wed, 03 Nov 2021 12:21:58 +0000 From: Luis Chamberlain To: axboe@kernel.dk, hch@lst.de, penguin-kernel@i-love.sakura.ne.jp, dan.j.williams@intel.com, vishal.l.verma@intel.com, dave.jiang@intel.com, ira.weiny@intel.com, richard@nod.at, miquel.raynal@bootlin.com, vigneshr@ti.com, efremov@linux.com, song@kernel.org, martin.petersen@oracle.com, hare@suse.de, jack@suse.cz, ming.lei@redhat.com, tj@kernel.org, mcgrof@kernel.org Cc: linux-mtd@lists.infradead.org, linux-scsi@vger.kernel.org, linux-raid@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 01/13] nvdimm/btt: do not call del_gendisk() if not needed Date: Wed, 3 Nov 2021 05:21:45 -0700 Message-Id: <20211103122157.1215783-2-mcgrof@kernel.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211103122157.1215783-1-mcgrof@kernel.org> References: <20211103122157.1215783-1-mcgrof@kernel.org> MIME-Version: 1.0 Sender: Luis Chamberlain Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org del_gendisk() is not required if the disk has not been added. On kernels prior to commit 40b3a52ffc5bc3 ("block: add a sanity check for a live disk in del_gendisk") it is mandatory to not call del_gendisk() if the underlying device has not been through device_add(). Fixes: 41cd8b70c37a ("libnvdimm, btt: add support for blk integrity") Reviewed-by: Dan Williams Signed-off-by: Luis Chamberlain Reviewed-by: Christoph Hellwig --- drivers/nvdimm/btt.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c index f10a50ffa047..a62f23b945f1 100644 --- a/drivers/nvdimm/btt.c +++ b/drivers/nvdimm/btt.c @@ -1537,7 +1537,6 @@ static int btt_blk_init(struct btt *btt) int rc = nd_integrity_init(btt->btt_disk, btt_meta_size(btt)); if (rc) { - del_gendisk(btt->btt_disk); blk_cleanup_disk(btt->btt_disk); return rc; }