From patchwork Mon Nov 16 14:57:08 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11909495 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 23D26697 for ; Mon, 16 Nov 2020 15:11:26 +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 E44C1204FD for ; Mon, 16 Nov 2020 15:11:25 +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="NyxRsiP7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E44C1204FD 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.28187.57135 (Exim 4.92) (envelope-from ) id 1keg9c-0004JY-UL; Mon, 16 Nov 2020 15:10:53 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 28187.57135; Mon, 16 Nov 2020 15:10:52 +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 1keg9b-0004Hr-Q2; Mon, 16 Nov 2020 15:10:51 +0000 Received: by outflank-mailman (input) for mailman id 28187; Mon, 16 Nov 2020 15:10:48 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kefz2-0006ni-27 for xen-devel@lists.xenproject.org; Mon, 16 Nov 2020 14:59:56 +0000 Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 6c7ce6bc-daab-4d9c-b5a9-a0b0022352e6; Mon, 16 Nov 2020 14:58:48 +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 1kefxh-0003on-CP; Mon, 16 Nov 2020 14:58:33 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kefz2-0006ni-27 for xen-devel@lists.xenproject.org; Mon, 16 Nov 2020 14:59:56 +0000 X-Inumbo-ID: 6c7ce6bc-daab-4d9c-b5a9-a0b0022352e6 Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id 6c7ce6bc-daab-4d9c-b5a9-a0b0022352e6; Mon, 16 Nov 2020 14:58:48 +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=Q3W7KdKmwyFppJQ1L6YFPM2WOqRK8Pu4NYkxno3YD6A=; b=NyxRsiP7cn1hmv0eDl11Mc4Rxf OWKUCBLhCdlto1TuFqmc+ik0CxwHpClG8i6SZ055UUUpnyX2CNTfXXftomb5qIsUZE4ygF+FRUGhr fAXszF/eCbKtsfOuGENKuWXtkVuHidIrHgPovS6xL5kAaxcTygkWAaJcUI8slrGfBhTnvPM/I72fk 967ch5pi4wrCzTxqeZL+093PJdfdMvz8APGAdktPfxH2ycCn8Iv2kNb8PonW588NcAiV+GH5OWLY1 SBnjZWwXSjGXCqdfH6hPJN3tyaO2ihu38I7qOOrSyr95XyL/IMr6yv0B7vtiKwh1PJYvarW+oJafP gmduacxw==; 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 1kefxh-0003on-CP; Mon, 16 Nov 2020 14:58:33 +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 17/78] rnbd: use set_capacity_and_notify Date: Mon, 16 Nov 2020 15:57:08 +0100 Message-Id: <20201116145809.410558-18-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 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 Acked-by: Jack Wang --- 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; }