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 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 2A101C25B76 for ; Tue, 11 Jun 2024 05:59:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=bTeryOZFDpWKIAzHaXxAErZzQDziggFI7A4RWKacyro=; b=q8v5uGzn+x+AB4zr2Cb1T92Pmp GcOxxMGXTdtb/w/TngtAtCDdM/LrtHazR4ra3MatkH/KvSVxOvffbVzpUtfLFn6b11SLl/KmUCJGZ CqMxpYQGaHlvxVS29CcVNvH50bvx5DuGNGf6qcbUV1hspXns+MjGvmU1onG3d1uU8xGZJ4E2xUOc5 TvcByhcRuzCLTMUv6iuqodaBCnrxxhdhe0499YS48p0m/0KPL8vOxnjdm9zCCF3s9XbGeYaYz0Llr Ihr1hZiLgklwubCiO0V/CYOxfh5ghzorfkPIBqr7ZZzJeMnUdOWDMRm/CVZEsyrMDbFQqt0j4Z13s X0lyXjAg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGuXw-00000007buU-3KNH; Tue, 11 Jun 2024 05:59:52 +0000 Received: from verein.lst.de ([213.95.11.211]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGuXt-00000007bsb-3PBG; Tue, 11 Jun 2024 05:59:51 +0000 Received: by verein.lst.de (Postfix, from userid 2407) id B1AFB68C4E; Tue, 11 Jun 2024 07:59:46 +0200 (CEST) Date: Tue, 11 Jun 2024 07:59:46 +0200 From: Christoph Hellwig To: Damien Le Moal Cc: Christoph Hellwig , Jens Axboe , Geert Uytterhoeven , Richard Weinberger , Philipp Reisner , Lars Ellenberg , Christoph B??hmwalder , Josef Bacik , Ming Lei , "Michael S. Tsirkin" , Jason Wang , Roger Pau Monn?? , Alasdair Kergon , Mike Snitzer , Mikulas Patocka , Song Liu , Yu Kuai , Vineeth Vijayan , "Martin K. Petersen" , linux-m68k@lists.linux-m68k.org, linux-um@lists.infradead.org, drbd-dev@lists.linbit.com, nbd@other.debian.org, linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, virtualization@lists.linux.dev, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, nvdimm@lists.linux.dev, linux-nvme@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, linux-block@vger.kernel.org Subject: Re: [PATCH 06/26] loop: also use the default block size from an underlying block device Message-ID: <20240611055946.GA3777@lst.de> References: <20240611051929.513387-1-hch@lst.de> <20240611051929.513387-7-hch@lst.de> <27e76310-1831-473e-803a-e0294b91463c@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <27e76310-1831-473e-803a-e0294b91463c@kernel.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240610_225950_028626_A54B9E7C X-CRM114-Status: GOOD ( 11.12 ) X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-um" Errors-To: linux-um-bounces+linux-um=archiver.kernel.org@lists.infradead.org On Tue, Jun 11, 2024 at 02:58:56PM +0900, Damien Le Moal wrote: > > + if (S_ISBLK(inode->i_mode)) > > + backing_bdev = I_BDEV(inode); > > + else if (inode->i_sb->s_bdev) > > + backing_bdev = inode->i_sb->s_bdev; > > + > > Why not move this hunk inside the below "if" ? (backing_dev declaration can go > there too). Because another use will pop up a bit later :)