[RFC v4 linux-next 10/19] s390/dasd: use bdev api in dasd_format()

[Yu Kuai <yukuai1@huaweicloud.com>]

From: Yu Kuai <yukuai3@huawei.com>

Avoid to access bd_inode directly, prepare to remove bd_inode from
block_devcie.

Signed-off-by: Yu Kuai <yukuai3@huawei.com>
---
 drivers/s390/block/dasd_ioctl.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c
index 7e0ed7032f76..c1201590f343 100644
--- a/drivers/s390/block/dasd_ioctl.c
+++ b/drivers/s390/block/dasd_ioctl.c
@@ -215,8 +215,9 @@ dasd_format(struct dasd_block *block, struct format_data_t *fdata)
 	 * enabling the device later.
 	 */
 	if (fdata->start_unit == 0) {
-		block->gdp->part0->bd_inode->i_blkbits =
-			blksize_bits(fdata->blksize);
+		rc = set_blocksize(block->gdp->part0, fdata->blksize);
+		if (rc)
+			return rc;
 	}
 
 	rc = base->discipline->format_device(base, fdata, 1);
-- 
2.39.2