From patchwork Fri Oct 15 13:26:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12561563 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B92BC433F5 for ; Fri, 15 Oct 2021 13:27:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2505460FE3 for ; Fri, 15 Oct 2021 13:27:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239479AbhJON3w (ORCPT ); Fri, 15 Oct 2021 09:29:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40668 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239487AbhJON3a (ORCPT ); Fri, 15 Oct 2021 09:29:30 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 43453C061764; Fri, 15 Oct 2021 06:27:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; 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=brrNeCrpSVGZomYuK+0XdDRpBpOzq/Tfwu+Oh+282Uo=; b=IxLeKtcq5OzxV91L8hTsh+7Wn6 GlocDXjqZDpKZlfP0UYVJ6BEdGYan+wi1rVHDqD7apTedacgzPz/ay+ildx+shvtzPpsAEQ1PxRZu F+2A+Xp7CEiJPBI1rRydwkIH3jEs5fLQZYWGW7ZpoXWC7/sqRQB4Q+yfmq/NjEBYZFGbvSIFKLP+5 HZ4numWQM2crsRS3Y0bBhZdCBgmIt8jZTZI3m2/tYEQs9btUPJ0nPqDcW8keyyKPd6rkEI37HdlUh /Iaszs3O8OiNHbWqQ1Xfy8qE3WbJ7te1x7WzzugXIOJXRQ3cv3Gn1lYYgA5DwQWsjfPpsJA9Bqe7z peZfYXaQ==; Received: from [2001:4bb8:199:73c5:ddfe:9587:819b:83b0] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mbNEr-007CtU-GU; Fri, 15 Oct 2021 13:27:09 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Coly Li , Mike Snitzer , Song Liu , David Sterba , Josef Bacik , "Theodore Ts'o" , OGAWA Hirofumi , Dave Kleikamp , Ryusuke Konishi , Anton Altaparmakov , Konstantin Komarov , Kees Cook , 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-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, Jan Kara , Chaitanya Kulkarni Subject: [PATCH 09/30] fs: use bdev_nr_bytes instead of open coding it in blkdev_max_block Date: Fri, 15 Oct 2021 15:26:22 +0200 Message-Id: <20211015132643.1621913-10-hch@lst.de> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20211015132643.1621913-1-hch@lst.de> References: <20211015132643.1621913-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org Use the proper helper to read the block device size. Signed-off-by: Christoph Hellwig Reviewed-by: Jan Kara Reviewed-by: Chaitanya Kulkarni Reviewed-by: Kees Cook --- fs/buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/buffer.c b/fs/buffer.c index c615387aedcae..156358977249f 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -878,7 +878,7 @@ link_dev_buffers(struct page *page, struct buffer_head *head) static sector_t blkdev_max_block(struct block_device *bdev, unsigned int size) { sector_t retval = ~((sector_t)0); - loff_t sz = i_size_read(bdev->bd_inode); + loff_t sz = bdev_nr_bytes(bdev); if (sz) { unsigned int sizebits = blksize_bits(size);