From patchwork Mon Nov 16 14:56:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 11908741 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 3AF2A14B3 for ; Mon, 16 Nov 2020 14:59:50 +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 F27A6241A6 for ; Mon, 16 Nov 2020 14:59:49 +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="IrFVDJmA" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F27A6241A6 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.28011.56626 (Exim 4.92) (envelope-from ) id 1kefyK-0007Hn-5P; Mon, 16 Nov 2020 14:59:12 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 28011.56626; Mon, 16 Nov 2020 14:59:12 +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 1kefyK-0007Hg-1O; Mon, 16 Nov 2020 14:59:12 +0000 Received: by outflank-mailman (input) for mailman id 28011; Mon, 16 Nov 2020 14:59:11 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kefyJ-0006ni-0B for xen-devel@lists.xenproject.org; Mon, 16 Nov 2020 14:59:11 +0000 Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id af4cc64f-5e0f-485f-8d6f-89071da97c7a; Mon, 16 Nov 2020 14:58:37 +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 1kefxT-0003kh-MQ; Mon, 16 Nov 2020 14:58:20 +0000 Received: from us1-rack-iad1.inumbo.com ([172.99.69.81]) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1kefyJ-0006ni-0B for xen-devel@lists.xenproject.org; Mon, 16 Nov 2020 14:59:11 +0000 X-Inumbo-ID: af4cc64f-5e0f-485f-8d6f-89071da97c7a Received: from casper.infradead.org (unknown [2001:8b0:10b:1236::1]) by us1-rack-iad1.inumbo.com (Halon) with ESMTPS id af4cc64f-5e0f-485f-8d6f-89071da97c7a; Mon, 16 Nov 2020 14:58:37 +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=oD/feK/kknJy8NgrN6GUwKk4j5cIe6yLgGU87KzsgtI=; b=IrFVDJmAyDCdyIjxW0mx/wM+i0 EfULIltaIxUj6jxf0IidNz1l2jSw8Ksulh7xmd0CBDNRy5YCjxY1r+V6kXvdMfu4B/jrKJGjZItyY pmVnQEQV+OHhGl4k/Fbj2BhN/m0dlPmLgbtOB54UGEgkstKPEUU8vGqNKmkcDv/niskfsfpX18U5w 8InEkFKVUp9ZNaV7h0/GILJT1k3XrBuLsYqtDA+gf+w4j99DHcs4CUnHwP7kXuwaUANPik+3qgqiI RHxMSvMovWPDR+Oayh36XrbKH+oZyCtI9oB6aJjNi0FJ0TmkB7C1+oOtTu6BFVjYIqdqBrv/I5gjp v+ue0wAw==; 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 1kefxT-0003kh-MQ; Mon, 16 Nov 2020 14:58:20 +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 07/78] nbd: move the task_recv check into nbd_size_update Date: Mon, 16 Nov 2020 15:56:58 +0100 Message-Id: <20201116145809.410558-8-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 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 a9a0b49ff16101..48054051e281e6 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)