[PATCH 05/29] mtd/block2mtd: use bdev_nr_sectors instead of open coding it

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Use the proper helper to read the block device size.

Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 drivers/mtd/devices/block2mtd.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c
index c08721b11642b..d2d1a712188ce 100644
--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -269,7 +269,7 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size,
 		goto err_free_block2mtd;
 	}
 
-	if ((long)dev->blkdev->bd_inode->i_size % erase_size) {
+	if ((long)(bdev_nr_sectors(dev->blkdev) << SECTOR_SHIFT) % erase_size) {
 		pr_err("erasesize must be a divisor of device size\n");
 		goto err_free_block2mtd;
 	}
@@ -284,7 +284,8 @@ static struct block2mtd_dev *add_device(char *devname, int erase_size,
 
 	dev->mtd.name = name;
 
-	dev->mtd.size = dev->blkdev->bd_inode->i_size & PAGE_MASK;
+	dev->mtd.size =
+		(bdev_nr_sectors(dev->blkdev) << SECTOR_SHIFT) & PAGE_MASK;
 	dev->mtd.erasesize = erase_size;
 	dev->mtd.writesize = 1;
 	dev->mtd.writebufsize = PAGE_SIZE;
-- 
2.30.2




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