unsigned int cmd, unsigned long arg)
{
struct block_device *bdev = inode->i_bdev;
- struct ide_disk_obj *idkp = ide_disk_g(bdev->bd_disk);
+ struct ide_disk_obj *idkp = ide_drv_g(bdev->bd_disk, ide_disk_obj);
ide_drive_t *drive = idkp->drive;
int err;