From patchwork Fri Oct 15 13:26:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 12561551 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 F221AC43219 for ; Fri, 15 Oct 2021 13:27:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D7EB760FE3 for ; Fri, 15 Oct 2021 13:27:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239426AbhJON3U (ORCPT ); Fri, 15 Oct 2021 09:29:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239416AbhJON3S (ORCPT ); Fri, 15 Oct 2021 09:29:18 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0E1D0C061570; Fri, 15 Oct 2021 06:27:12 -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=GrMAkYzXypftu2Q93j+7zCry2NCsZMMZP71gZdhVD6M=; b=u0Jh/pk//vKTObitfYlxlIGC4J NliEBUrfu8nRvsuQqfa0JdudddIgT4cUPUUQhhD1H73tpwx2VJ3xZKmlBURkgE0Wlwlj5sC9k38A4 Jlulwzv9b+pm5R7pWDiKTLnasKDPcPonGfj+WoDLUsvjVXgS6O9ZPJPNY80acEExcRozq9ODkVYoU cBI8mRHR3nwjqo8o+yLJAkhg4oxrz4AanNeNGgBQGOEB96Mhoi/robn53SwHYX1l6Ozdhd6Bf1imN l3cTw2JImqG5tWyrDjeMpk9nDeFErssO0HV37CTbED9wzNn+MLmDMzWTsxQB0LjQmWxrn+3mG/Bgf rD4cqhcg==; 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 1mbNEW-007CcF-HX; Fri, 15 Oct 2021 13:26:48 +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 Subject: [PATCH 01/30] block: move the SECTOR_SIZE related definitions to blk_types.h Date: Fri, 15 Oct 2021 15:26:14 +0200 Message-Id: <20211015132643.1621913-2-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 Ensure these are always available for inlines in the various block layer headers. Signed-off-by: Christoph Hellwig Reviewed-by: Jan Kara Reviewed-by: Kees Cook Reviewed-by: Chaitanya Kulkarni --- include/linux/blk_types.h | 17 +++++++++++++++++ include/linux/blkdev.h | 17 ----------------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 3b967053e9f5a..dc8da0c7fa09b 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -20,6 +20,23 @@ struct cgroup_subsys_state; typedef void (bio_end_io_t) (struct bio *); struct bio_crypt_ctx; +/* + * The basic unit of block I/O is a sector. It is used in a number of contexts + * in Linux (blk, bio, genhd). The size of one sector is 512 = 2**9 + * bytes. Variables of type sector_t represent an offset or size that is a + * multiple of 512 bytes. Hence these two constants. + */ +#ifndef SECTOR_SHIFT +#define SECTOR_SHIFT 9 +#endif +#ifndef SECTOR_SIZE +#define SECTOR_SIZE (1 << SECTOR_SHIFT) +#endif + +#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) +#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT) +#define SECTOR_MASK (PAGE_SECTORS - 1) + struct block_device { sector_t bd_start_sect; struct disk_stats __percpu *bd_stats; diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 17705c970d7e1..161496d1aced0 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -571,23 +571,6 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev) return bdev->bd_disk->queue; /* this is never NULL */ } -/* - * The basic unit of block I/O is a sector. It is used in a number of contexts - * in Linux (blk, bio, genhd). The size of one sector is 512 = 2**9 - * bytes. Variables of type sector_t represent an offset or size that is a - * multiple of 512 bytes. Hence these two constants. - */ -#ifndef SECTOR_SHIFT -#define SECTOR_SHIFT 9 -#endif -#ifndef SECTOR_SIZE -#define SECTOR_SIZE (1 << SECTOR_SHIFT) -#endif - -#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) -#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT) -#define SECTOR_MASK (PAGE_SECTORS - 1) - #ifdef CONFIG_BLK_DEV_ZONED /* Helper to convert BLK_ZONE_ZONE_XXX to its string format XXX */