Received: by 2002:a05:6a10:5bc5:0:0:0:0 with SMTP id os5csp3147914pxb; Tue, 12 Oct 2021 23:10:38 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzow5hBcIKaCI02OF+a7zuxahg2/XWBfBtPJHe7XI8NYwO2aKk7S5M8EVuoY11qEXBZB3JO X-Received: by 2002:a17:90b:3ecc:: with SMTP id rm12mr11321646pjb.48.1634105437984; Tue, 12 Oct 2021 23:10:37 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1634105437; cv=none; d=google.com; s=arc-20160816; b=NaWlRlzkhE3MgVEce3h+Aml6N4YV+3LiNfqla/6ooKA5clOlvWv3V6G9GkBD/hJIkp wUV57d50wGH97VpqCJ8cPkFhIZUkNIJj+uAEvLfz8T0MQXeJJcgWZu8CRjUF3bvtBc8d HuoCU8Ftjpjyx4ewHqGOgzdJJm+ArzSfYj1RGazdaBh7xPr64GNGC6EBEIK8LYbNDS+0 rMKsC0D5KIVumxiRR1hpYAGGN+kihiqfNSHnrviLcuMdU1Im3gQ1SGaGb2KF10z38qMM p1YCDiqTvibuBjmicstX2Br46nhS359mum6J1ppYwNgtp8HHik3MqFRIsDDstYe8MV4x 4VJw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:in-reply-to:content-disposition:mime-version :references:message-id:subject:cc:to:from:date:dkim-signature; bh=HKDYpp4YSVsNULamooLUjhsr3ltG6/c66elTMRrkKgQ=; b=FLltNaLX69f87aLoRLDivsI1vYjaVB9UOLt3S2gSIsmzncGXTEXKcbX3RE6x37GLPI 0R2c1d75s35mW2IUfWcJLCFgFfhT2bdqJrgEfBWDo9q6KuLaSAZYIUYGY5Qh2NmaGn3i k+zpEFRkj6Z/04iE4NhV28SfKphX/cWy5LPFsrl8VMaqlvpapP6vq9FWvbwaAOBy+fh/ cAPz6CTXpCC0CWAwyXdjbdmcPtOee7l00I+O1R6tl7wvdWINJMFmqZ6QN/czsUSBcnXN e9kenFrhC+3TyqYCu1AcwRZAKXI+JlPZK2AUP0BtknknxvrDj/YeOb1AktFH1HzuqTri VnVw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=NoF0hG29; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id h3si2319109pfv.28.2021.10.12.23.10.24; Tue, 12 Oct 2021 23:10:37 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@chromium.org header.s=google header.b=NoF0hG29; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=chromium.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237877AbhJMGMS (ORCPT + 99 others); Wed, 13 Oct 2021 02:12:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237888AbhJMGMP (ORCPT ); Wed, 13 Oct 2021 02:12:15 -0400 Received: from mail-pj1-x102d.google.com (mail-pj1-x102d.google.com [IPv6:2607:f8b0:4864:20::102d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22E65C061765 for ; Tue, 12 Oct 2021 23:10:12 -0700 (PDT) Received: by mail-pj1-x102d.google.com with SMTP id oa12-20020a17090b1bcc00b0019f715462a8so1408791pjb.3 for ; Tue, 12 Oct 2021 23:10:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=HKDYpp4YSVsNULamooLUjhsr3ltG6/c66elTMRrkKgQ=; b=NoF0hG29o29DKsntYKpCXV92mD6h6EMom48z8tQzSN8FHu905ky+Xz3bE0nNtk4PY1 0HNqwx/qtRzx7vXjuatnB9t9z2CQvezADG+ChrPjw5Rsdx9XyUR9gAFLAQnuxS6pqLaj euLxlv/sHfBVUNSEFnk9jxaM9RIcQ1jZpnz4Y= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=HKDYpp4YSVsNULamooLUjhsr3ltG6/c66elTMRrkKgQ=; b=6zvNxxPLhDlEVdZdPip+oxnKtCjbjK3DzHVpB2deHU7/3QkkhLqiquIyt3VtnWRuBW B/qMqf6Zi4uVAT5emIsm8QNg5Cmi20wEDbPWw2hZmftHNzfnoYQr9CG2t5z84R2DOJ6g BDq90dQZFJ2OVqihaz0Z0Dx2fJPK0+dzMPzSLSXIf91tnW934UE+PtBlCB22aaHpaTIh 5DPyDIcQev+LfKNBM+tIyYrdXSdOlRNi3wzFwsPgs5Cm1Hxo54KhEYUa381SdzQ6HGL8 yVloT0Qz2hWsvCq95GKIFi6B3aNoJiMosDL8cycYAa00o4E44mo7LxkFw1MCm9DunfM3 zmRg== X-Gm-Message-State: AOAM532gXTqkiuWL9UaLZdD31j8oXNPhExr4LWuErAx0Tzxp3QoxllpB WraXqFc64pHl4NfTKcejOScPMA== X-Received: by 2002:a17:902:f691:b0:13f:2034:7613 with SMTP id l17-20020a170902f69100b0013f20347613mr24197069plg.81.1634105411698; Tue, 12 Oct 2021 23:10:11 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id z24sm5259621pfr.141.2021.10.12.23.10.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Oct 2021 23:10:11 -0700 (PDT) Date: Tue, 12 Oct 2021 23:10:10 -0700 From: Kees Cook To: Christoph Hellwig Cc: Jens Axboe , Coly Li , Mike Snitzer , Song Liu , David Sterba , Josef Bacik , Theodore Ts'o , OGAWA Hirofumi , Dave Kleikamp , Ryusuke Konishi , Anton Altaparmakov , Konstantin Komarov , Phillip Lougher , Jan Kara , linux-block@vger.kernel.org, dm-devel@redhat.com, drbd-dev@lists.linbit.com, linux-bcache@vger.kernel.org, linux-raid@vger.kernel.org, linux-mtd@lists.infradead.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, jfs-discussion@lists.sourceforge.net, linux-nfs@vger.kernel.org, linux-nilfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, ntfs3@lists.linux.dev, reiserfs-devel@vger.kernel.org Subject: Re: [PATCH 03/29] dm: use bdev_nr_sectors instead of open coding it Message-ID: <202110122310.36F4C08@keescook> References: <20211013051042.1065752-1-hch@lst.de> <20211013051042.1065752-4-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211013051042.1065752-4-hch@lst.de> Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org On Wed, Oct 13, 2021 at 07:10:16AM +0200, Christoph Hellwig wrote: > Use the proper helper to read the block device size. > > Signed-off-by: Christoph Hellwig Reviewed-by: Kees Cook -- Kees Cook