From patchwork Mon Nov 16 14:56:53 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11908807 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 38BAA139F for ; Mon, 16 Nov 2020 15:00:20 +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 F3D3024248 for ; Mon, 16 Nov 2020 15:00:19 +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="tuJMnQtt" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F3D3024248 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.28002.56578 (Exim 4.92) (envelope-from ) id 1kefy0-0006w0-QQ; Mon, 16 Nov 2020 14:58:52 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 28002.56578; Mon, 16 Nov 2020 14:58:52 +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 1kefy0-0006vp-MA; Mon, 16 Nov 2020 14:58:52 +0000 Received: by outflank-mailman (input) for mailman id 28002; Mon, 16 Nov 2020 14:58:51 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kefxy-0006ni-W8 for xen-devel@lists.xenproject.org; Mon, 16 Nov 2020 14:58:51 +0000 Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id f94e0b88-1e5d-4aa5-b7e4-c2388518e708; Mon, 16 Nov 2020 14:58:34 +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 1kefxM-0003ii-UU; Mon, 16 Nov 2020 14:58:13 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kefxy-0006ni-W8 for xen-devel@lists.xenproject.org; Mon, 16 Nov 2020 14:58:51 +0000 X-Inumbo-ID: f94e0b88-1e5d-4aa5-b7e4-c2388518e708 Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id f94e0b88-1e5d-4aa5-b7e4-c2388518e708; Mon, 16 Nov 2020 14:58:34 +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=k53tbKeUbVsb5uwUbGW8UpW/h79If5n0w+H4eZR3xSU=; b=tuJMnQttaybo9F4t8cP+N2hLQq RXrM7+cD1yLqquFQbtlx4GxTcGrgpRY8HWo0g3CxND1nv1GYyQPkp8q3K2wzD/dngpDWkkquqHkp4 sHuLCh62/kacnFU017uJ6lg3sIxNoOE/FenrUxQsyI4PysSw0WPutcnk5f8h8OTz6qITqDy4OBoNX j839YHJ1VKl6fCqCZwFmQOwQQf+y4oyipnv0MRAtvY48Ogo6z5wy5t7KJxz/QqkUnQuTFox/n8y/r oz3SnuiJlz5Z/j6oveEA/Y/B74scFktzTg4AjYglEkJ4LnQzCz3bmbG+4ANwTszKKWHBb195E+1pa yP5eNyVA==; 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 1kefxM-0003ii-UU; Mon, 16 Nov 2020 14:58:13 +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, Hannes Reinecke Subject: [PATCH 02/78] loop: let set_capacity_revalidate_and_notify update the bdev size Date: Mon, 16 Nov 2020 15:56:53 +0100 Message-Id: <20201116145809.410558-3-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 There is no good reason to call revalidate_disk_size separately. Signed-off-by: Christoph Hellwig Reviewed-by: Hannes Reinecke --- drivers/block/loop.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/block/loop.c b/drivers/block/loop.c index a58084c2ed7ceb..0a0c0c3a68ec4c 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -251,12 +251,8 @@ loop_validate_block_size(unsigned short bsize) */ static void loop_set_size(struct loop_device *lo, loff_t size) { - struct block_device *bdev = lo->lo_device; - - bd_set_nr_sectors(bdev, size); - - if (!set_capacity_revalidate_and_notify(lo->lo_disk, size, false)) - kobject_uevent(&disk_to_dev(bdev->bd_disk)->kobj, KOBJ_CHANGE); + if (!set_capacity_revalidate_and_notify(lo->lo_disk, size, true)) + kobject_uevent(&disk_to_dev(lo->lo_disk)->kobj, KOBJ_CHANGE); } static inline int