From patchwork Fri Oct 15 13:26:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12561565 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 D7593C43219 for ; Fri, 15 Oct 2021 13:27:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B92DC60FE3 for ; Fri, 15 Oct 2021 13:27:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239665AbhJONaF (ORCPT ); Fri, 15 Oct 2021 09:30:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239489AbhJON3b (ORCPT ); Fri, 15 Oct 2021 09:29:31 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5B0AC061765; 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=7Fvhf+wKhm10vM9vEVCTx/h8dtxUHLOhLGNjS8UETqk=; b=AItQqhQ2XYGJN/WD9MrBjK/cyH NBfGMeNQXzuVKCKq+HEtT52BLeFO+VVtGB8MwZeRc2X2Rrqd/K+aFpvHt31ONgdCDVir4TkOxdztH QvXyi6xJqZdD034tBVu/eGya417QgO2eVjLhdic2HeUfOsMgzs0OVvwLtnDbznHvGY/uXXfIGPLXd y7rwERgkJXHWgBgN7zzvcKHePSeuLtWLs+Gsm/tquhDTsHwlU7JXmSwImQa7IqD0GSjNLKTQK12oc TSp1daWgtYYlrTmndy1c6EBPwst5ch8mIBTMKLTxBfe67o+Z1jOJZEuK/7I20TUpVfhvhWZckt/B2 7e5tzDUA==; 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 1mbNEo-007Cqt-S8; Fri, 15 Oct 2021 13:27:07 +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, Chaitanya Kulkarni Subject: [PATCH 08/30] target/iblock: use bdev_nr_bytes instead of open coding it Date: Fri, 15 Oct 2021 15:26:21 +0200 Message-Id: <20211015132643.1621913-9-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: Chaitanya Kulkarni Reviewed-by: Kees Cook --- drivers/target/target_core_iblock.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 31df20abe141f..b1ef041cacd81 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -232,9 +232,9 @@ static unsigned long long iblock_emulate_read_cap_with_block_size( struct block_device *bd, struct request_queue *q) { - unsigned long long blocks_long = (div_u64(i_size_read(bd->bd_inode), - bdev_logical_block_size(bd)) - 1); u32 block_size = bdev_logical_block_size(bd); + unsigned long long blocks_long = + div_u64(bdev_nr_bytes(bd), block_size) - 1; if (block_size == dev->dev_attrib.block_size) return blocks_long;