Use the proper helper to read the block device size.

Signed-off-by: Christoph Hellwig <h...@lst.de>
Reviewed-by: Kees Cook <keesc...@chromium.org>
Reviewed-by: Chaitanya Kulkarni <k...@nvidia.com>
---
 drivers/target/target_core_iblock.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/target/target_core_iblock.c 
b/drivers/target/target_core_iblock.c
index 31df20abe141f..b1ef041cacd81 100644
--- a/drivers/target/target_core_iblock.c
+++ b/drivers/target/target_core_iblock.c
@@ -232,9 +232,9 @@ static unsigned long long 
iblock_emulate_read_cap_with_block_size(
        struct block_device *bd,
        struct request_queue *q)
 {
-       unsigned long long blocks_long = (div_u64(i_size_read(bd->bd_inode),
-                                       bdev_logical_block_size(bd)) - 1);
        u32 block_size = bdev_logical_block_size(bd);
+       unsigned long long blocks_long =
+               div_u64(bdev_nr_bytes(bd), block_size) - 1;
 
        if (block_size == dev->dev_attrib.block_size)
                return blocks_long;
-- 
2.30.2

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