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block: move some macros to blkdev.h

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Move them (PAGE_SECTORS_SHIFT, PAGE_SECTORS and SECTOR_MASK) to the
generic header file to remove redundancy.

Signed-off-by: Guoqing Jiang <jiangguoqing@kylinos.cn>
Link: https://lore.kernel.org/r/20210721025315.1729118-1-guoqing.jiang@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Guoqing Jiang 2021-07-21 10:53:15 +08:00 committed by Jens Axboe
parent 99d26de2f6
commit 018eca456c
5 changed files with 4 additions and 10 deletions
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3
drivers/block/brd.c
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@ -27,9 +27,6 @@
#include <linux/uaccess.h>
#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT)
#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT)
/*
* Each block ramdisk device has a radix_tree brd_pages of pages that stores
* the pages containing the block device's contents. A brd page's ->index is

4
drivers/block/null_blk/main.c
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@ -11,10 +11,6 @@
#include <linux/init.h>
#include "null_blk.h"
#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT)
#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT)
#define SECTOR_MASK (PAGE_SECTORS - 1)
#define FREE_BATCH 16
#define TICKS_PER_SEC 50ULL

2
drivers/md/bcache/util.h
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@ -15,8 +15,6 @@
#include "closure.h"
#define PAGE_SECTORS (PAGE_SIZE / 512)
struct closure;
#ifdef CONFIG_BCACHE_DEBUG

4
include/linux/blkdev.h
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@ -939,6 +939,10 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev)
#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)
/*
* blk_rq_pos() : the current sector
* blk_rq_bytes() : bytes left in the entire request

1
include/linux/device-mapper.h
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@ -151,7 +151,6 @@ typedef size_t (*dm_dax_copy_iter_fn)(struct dm_target *ti, pgoff_t pgoff,
void *addr, size_t bytes, struct iov_iter *i);
typedef int (*dm_dax_zero_page_range_fn)(struct dm_target *ti, pgoff_t pgoff,
size_t nr_pages);
#define PAGE_SECTORS (PAGE_SIZE / 512)
void dm_error(const char *message);