dcssblk: don't set bd_block_size in ->open

bd_block_size contains a value that matches the logic block size when
opening, so the statement is redundant.  Even if it wasn't the dumb
assignment would cause a a mismatch with bd_inode->i_blkbits.

Reviewed-by: Johannes Thumshirn <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>

Author: Christoph Hellwig

drivers/s390/block/dcssblk.c

@@ -832,7 +832,6 @@ dcssblk_open(struct block_device *bdev, fmode_t mode)
 		goto out;
 	}
 	atomic_inc(&dev_info->use_count);
-	bdev->bd_block_size = 4096;
 	rc = 0;
 out:
 	return rc;