From patchwork Wed Nov 11 08:26:52 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 323448 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=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 2F061C388F9 for ; Wed, 11 Nov 2020 08:28:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CCDD2206F1 for ; Wed, 11 Nov 2020 08:28:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="m5MWiiWz" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726846AbgKKI1p (ORCPT ); Wed, 11 Nov 2020 03:27:45 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33576 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726416AbgKKI1k (ORCPT ); Wed, 11 Nov 2020 03:27:40 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2892BC0617A6; Wed, 11 Nov 2020 00:27:39 -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=PHuhBTY1ouZHYZght48HNcRnOQ9ETUZCJ1FQTXf/EwQ=; b=m5MWiiWzcpaSYXwS8kDVrHOGAw 92iCzGTWlSpt7Br9adIXKJfa7+N+xudiux0bUtzBV0XOA8sCFw4A+F+21N6k6DSKovVJVpX0hyRne XeIBsiJ1g7Ruf7j/9oBvg5u8uE72Evjw5CNmDZkyoFT44EDwPVXjfy+qvbBMZwYJ4ZM30mXDzKACM sbMnAv+VpKqU/y2BICE63kA6Ex/Ct7GtegULS3KTE0zTRAvu/6wpo59jG/nz2JK3HbrnIKVuEf9X9 L91CAfTn1sj5/yjS/WJVSnqinqVMqn7XYadu2gBkPI9KyrNPK+vEVaQZyACPmx4+EtdIlPpHqXZDG leis3YSg==; Received: from [2001:4bb8:180:6600:bcde:334f:863c:27b8] (helo=localhost) by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kclTP-0007dc-EI; Wed, 11 Nov 2020 08:27:23 +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=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 18/24] rnbd: use set_capacity_and_notify Date: Wed, 11 Nov 2020 09:26:52 +0100 Message-Id: <20201111082658.3401686-19-hch@lst.de> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201111082658.3401686-1-hch@lst.de> References: <20201111082658.3401686-1-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-scsi@vger.kernel.org Use set_capacity_and_notify to set the size of both the disk and block device. This also gets the uevent notifications for the resize for free. Signed-off-by: Christoph Hellwig --- drivers/block/rnbd/rnbd-clt.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c index 8b2411ccbda97c..bb13d7dd195a08 100644 --- a/drivers/block/rnbd/rnbd-clt.c +++ b/drivers/block/rnbd/rnbd-clt.c @@ -100,8 +100,7 @@ static int rnbd_clt_change_capacity(struct rnbd_clt_dev *dev, rnbd_clt_info(dev, "Device size changed from %zu to %zu sectors\n", dev->nsectors, new_nsectors); dev->nsectors = new_nsectors; - set_capacity(dev->gd, dev->nsectors); - revalidate_disk_size(dev->gd, true); + set_capacity_and_notify(dev->gd, dev->nsectors); return 0; }