compat_xfs_fsop_setdm_handlereq_t 512 fs/xfs/xfs_ioctl32.c compat_xfs_fsop_setdm_handlereq_t dmhreq; compat_xfs_fsop_setdm_handlereq_t 518 fs/xfs/xfs_ioctl32.c sizeof(compat_xfs_fsop_setdm_handlereq_t)))