From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 99C4FC47082 for ; Tue, 8 Jun 2021 05:39:26 +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 5DCA660FF4 for ; Tue, 8 Jun 2021 05:39:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5DCA660FF4 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.138263.255991 (Exim 4.92) (envelope-from ) id 1lqUSI-0007lB-3D; Tue, 08 Jun 2021 05:39:14 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 138263.255991; Tue, 08 Jun 2021 05:39:14 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lqUSH-0007l4-Vy; Tue, 08 Jun 2021 05:39:13 +0000 Received: by outflank-mailman (input) for mailman id 138263; Tue, 08 Jun 2021 05:39:12 +0000 Received: from all-amaz-eas1.inumbo.com ([34.197.232.57] helo=us1-amaz-eas2.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1lqUSG-0007ky-85 for xen-devel@lists.xenproject.org; Tue, 08 Jun 2021 05:39:12 +0000 Received: from verein.lst.de (unknown [213.95.11.211]) by us1-amaz-eas2.inumbo.com (Halon) with ESMTPS id 5668ddec-2d9e-43ad-a64e-da14c9cf1d62; Tue, 08 Jun 2021 05:39:09 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 2EEDF67373; Tue, 8 Jun 2021 07:39:06 +0200 (CEST) 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" X-Inumbo-ID: 5668ddec-2d9e-43ad-a64e-da14c9cf1d62 Date: Tue, 8 Jun 2021 07:39:05 +0200 From: Christoph Hellwig To: Chaitanya Kulkarni Cc: Christoph Hellwig , Jens Axboe , Justin Sanders , Denis Efremov , Josef Bacik , Tim Waugh , Geoff Levand , Ilya Dryomov , "Md. Haris Iqbal" , Jack Wang , "Michael S. Tsirkin" , Jason Wang , Konrad Rzeszutek Wilk , Roger Pau =?iso-8859-1?Q?Monn=E9?= , Mike Snitzer , Maxim Levitsky , Alex Dubov , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , "dm-devel@redhat.com" , "linux-block@vger.kernel.org" , "nbd@other.debian.org" , "linuxppc-dev@lists.ozlabs.org" , "ceph-devel@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , "xen-devel@lists.xenproject.org" , "linux-mmc@vger.kernel.org" , "linux-mtd@lists.infradead.org" , "linux-s390@vger.kernel.org" Subject: Re: [PATCH 20/30] nullb: use blk_mq_alloc_disk Message-ID: <20210608053905.GA14183@lst.de> References: <20210602065345.355274-1-hch@lst.de> <20210602065345.355274-21-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) On Thu, Jun 03, 2021 at 12:10:09AM +0000, Chaitanya Kulkarni wrote: > > diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c > > index d8e098f1e5b5..74fb2ec63219 100644 > > --- a/drivers/block/null_blk/main.c > > +++ b/drivers/block/null_blk/main.c > > @@ -1851,13 +1851,12 @@ static int null_add_dev(struct nullb_device *dev) > > > > rv = -ENOMEM; > > Is above initialization needed ? It isn't strictly required any more.