From patchwork Wed Nov 11 08:26:42 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11896791 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 A6F7115E6 for ; Wed, 11 Nov 2020 08:28:59 +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 66434207BB for ; Wed, 11 Nov 2020 08:28:59 +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="SnGVq269" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 66434207BB 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.24390.51654 (Exim 4.92) (envelope-from ) id 1kclUC-0003NY-Mb; Wed, 11 Nov 2020 08:28:12 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 24390.51654; Wed, 11 Nov 2020 08:28:12 +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 1kclUC-0003NO-I8; Wed, 11 Nov 2020 08:28:12 +0000 Received: by outflank-mailman (input) for mailman id 24390; Wed, 11 Nov 2020 08:28:11 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kclUB-0002dF-I2 for xen-devel@lists.xenproject.org; Wed, 11 Nov 2020 08:28:11 +0000 Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id b3eb9d60-f4a1-4bfb-b144-892c9bd479f3; Wed, 11 Nov 2020 08:27:28 +0000 (UTC) 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 1kclTB-0007aj-13; Wed, 11 Nov 2020 08:27:09 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kclUB-0002dF-I2 for xen-devel@lists.xenproject.org; Wed, 11 Nov 2020 08:28:11 +0000 X-Inumbo-ID: b3eb9d60-f4a1-4bfb-b144-892c9bd479f3 Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id b3eb9d60-f4a1-4bfb-b144-892c9bd479f3; Wed, 11 Nov 2020 08:27:28 +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=sleWhQz8pOnJuBnS8tyNBOSxS3LFjGP3TCWYI+Y9Xwo=; b=SnGVq269/UTvePhazhsGEqe1g4 +Sdxfj0JE1XKc8hE5k0k3fff848q4NtXnaEE9VLg/C2I0lFuBfyREt4J81h7TQHcYmvdbPYYZExEc rvsv8rKBFRclcRvxaov26S6VkAKG56QaJUn2wD/mTm4/DYl8qdkAvKZ4bO76kHjl21mZEwgM+L3W8 B0dk20R4wCMbx4pzaYw5R6GsJ3eFFwEWgkikMnu+2X9+jrMgSEIR2I0zoFfL2v0SAjEba5l3GfvGJ VVKXne4B7f2m79dzqfoTvI53FLRJZJnCKRBE5HBGzRzPBkuT4Wg+DmexI9Xj8bzcPW8BIeky07GCR w5/puTXA==; 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 1kclTB-0007aj-13; Wed, 11 Nov 2020 08:27:09 +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 08/24] nbd: move the task_recv check into nbd_size_update Date: Wed, 11 Nov 2020 09:26:42 +0100 Message-Id: <20201111082658.3401686-9-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 nbd_size_update is about to acquire a few more callers, so lift the check into the function. Signed-off-by: Christoph Hellwig Reviewed-by: Josef Bacik --- drivers/block/nbd.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index f618688a196654..58b7090dcbd832 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -299,8 +299,11 @@ static void nbd_size_clear(struct nbd_device *nbd) static void nbd_size_update(struct nbd_device *nbd) { struct nbd_config *config = nbd->config; - struct block_device *bdev = bdget_disk(nbd->disk, 0); sector_t nr_sectors = config->bytesize >> 9; + struct block_device *bdev; + + if (!nbd->task_recv) + return; if (config->flags & NBD_FLAG_SEND_TRIM) { nbd->disk->queue->limits.discard_granularity = config->blksize; @@ -309,7 +312,9 @@ static void nbd_size_update(struct nbd_device *nbd) } blk_queue_logical_block_size(nbd->disk->queue, config->blksize); blk_queue_physical_block_size(nbd->disk->queue, config->blksize); + set_capacity(nbd->disk, nr_sectors); + bdev = bdget_disk(nbd->disk, 0); if (bdev) { if (bdev->bd_disk) bd_set_nr_sectors(bdev, nr_sectors); @@ -326,8 +331,7 @@ static void nbd_size_set(struct nbd_device *nbd, loff_t blocksize, struct nbd_config *config = nbd->config; config->blksize = blocksize; config->bytesize = blocksize * nr_blocks; - if (nbd->task_recv != NULL) - nbd_size_update(nbd); + nbd_size_update(nbd); } static void nbd_complete_rq(struct request *req)