From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: [PATCH 01/30] block: move the SECTOR_SIZE related definitions to blk_types.h Date: Mon, 18 Oct 2021 12:11:01 +0200 Message-ID: <20211018101130.1838532-2-hch@lst.de> References: <20211018101130.1838532-1-hch@lst.de> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: 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=DmM3dWgdZg1sq+ld1mvVd1MY5RYF5XMOWvyajjuiGc4=; b=PmnNvw3VvBc4L+hdpo82yv+pwn 2bva6WBAzlf3lxZwbZ65fxJurjtF2FHUc/o7+eu0WeMMMycW8UJrUOSUhB6em8WlJxz8RsgI3Iz/w NAVEe7CnHQCibc65uTbK0Cb1nPXyyPWDnuWb8BkOpIkPcovHGByb7gf0Q1VunfYwWA9JxZC+JWVKr 6AG9KCDviM7N1Jazu0gY220bd6G086TImfuaEgNUA0zzx2NZVKSm1h7m12Ntsxbfon8rOihIY+i8B ATNREvUzjY4uz+wSlmJwNw36zDMS8aVW9yjBhrjVlf2tCyWfRPi768uHtYkgAdTlTBXRY46tlhK5q 05vZat2Q==; In-Reply-To: <20211018101130.1838532-1-hch@lst.de> List-ID: Content-Type: text/plain; charset="us-ascii" 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.or Ensure these are always available for inlines in the various block layer headers. Signed-off-by: Christoph Hellwig Reviewed-by: Kees Cook Reviewed-by: Jan Kara 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 */ -- 2.30.2