GRBM_FS_TOP
if (mp->gm_root.gr_fs[GRBM_FS_TOP].gfs_mountp[0] == 0) {
GRBM_FS_TOP, mp->gm_root.gr_fstyp)) != 0)
"%s/%s", mp->gm_root.gr_fs[GRBM_FS_TOP].gfs_mountp,
grub_fsd_umount_tmp(mp->gm_root.gr_fs + GRBM_FS_TOP);