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Subject[PATCH v2 02/10] zram: abolish macro SECTORS_PER_PAGE
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SECTORS_PER_PAGE is equivalent to PAGE_SECTORS.

Although I prefer SECTORS_PER_PAGE better than PAGE_SECTORS, the former
is more clearer, I think. But the latter was defined in
<linux/device-mapper.h> before, rename it may impact users.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
drivers/block/zram/zram_drv.c | 4 ++--
drivers/block/zram/zram_drv.h | 1 -
2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index ebb234f36909..e2fbf7a847e7 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1551,7 +1551,7 @@ static void __zram_make_request(struct zram *zram, struct bio *bio)

index = bio->bi_iter.bi_sector >> SECTORS_PER_PAGE_SHIFT;
offset = (bio->bi_iter.bi_sector &
- (SECTORS_PER_PAGE - 1)) << SECTOR_SHIFT;
+ (PAGE_SECTORS - 1)) << SECTOR_SHIFT;

switch (bio_op(bio)) {
case REQ_OP_DISCARD:
@@ -1645,7 +1645,7 @@ static int zram_rw_page(struct block_device *bdev, sector_t sector,
}

index = sector >> SECTORS_PER_PAGE_SHIFT;
- offset = (sector & (SECTORS_PER_PAGE - 1)) << SECTOR_SHIFT;
+ offset = (sector & (PAGE_SECTORS - 1)) << SECTOR_SHIFT;

bv.bv_page = page;
bv.bv_len = PAGE_SIZE;
diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h
index f2fd46daa760..10fdf413dd6e 100644
--- a/drivers/block/zram/zram_drv.h
+++ b/drivers/block/zram/zram_drv.h
@@ -22,7 +22,6 @@
#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 \
--
2.26.0.106.g9fadedd

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