This is similar to commit 233bde21a ("block: Move SECTOR_SIZE and
SECTOR_SHIFT definitions into <linux/blkdev.h>"), prepare to clear dozens
of duplicated codes.
Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>
---
drivers/block/zram/zram_drv.h | 2 --
include/linux/blkdev.h | 10 ++++++++--
2 files changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h
index f2fd46daa760..12309175d55e 100644
--- a/drivers/block/zram/zram_drv.h
+++ b/drivers/block/zram/zram_drv.h
@@ -21,8 +21,6 @@
#include "zcomp.h"
-#define SECTORS_PER_PAGE_SHIFT (PAGE_SHIFT - SECTOR_SHIFT)
-#define SECTORS_PER_PAGE (1 << SECTORS_PER_PAGE_SHIFT)
#define ZRAM_LOGICAL_BLOCK_SHIFT 12
#define ZRAM_LOGICAL_BLOCK_SIZE (1 << ZRAM_LOGICAL_BLOCK_SHIFT)
#define ZRAM_SECTOR_PER_LOGICAL_BLOCK \
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 32868fbedc9e..a752e1c80bf0 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -904,10 +904,16 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev)
* multiple of 512 bytes. Hence these two constants.
*/
#ifndef SECTOR_SHIFT
-#define SECTOR_SHIFT 9
+#define SECTOR_SHIFT 9
#endif
#ifndef SECTOR_SIZE
-#define SECTOR_SIZE (1 << SECTOR_SHIFT)
+#define SECTOR_SIZE (1 << SECTOR_SHIFT)
+#endif
+#ifndef SECTORS_PER_PAGE_SHIFT
+#define SECTORS_PER_PAGE_SHIFT (PAGE_SHIFT - SECTOR_SHIFT)
+#endif
+#ifndef SECTORS_PER_PAGE
+#define SECTORS_PER_PAGE (1 << SECTORS_PER_PAGE_SHIFT)
#endif
/*
--
2.26.0.106.g9fadedd
--
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