225 		ovl_inuse_unlock(ofs->upper_mnt->mnt_root);  in ovl_free_fs()
226 	mntput(ofs->upper_mnt);  in ovl_free_fs()
259 	if (!ofs->upper_mnt)  in ovl_sync_fs()
273 	upper_sb = ofs->upper_mnt->mnt_sb;  in ovl_sync_fs()
311 	return (!ofs->upper_mnt || !ofs->workdir);  in ovl_force_readonly()
618 	struct vfsmount *mnt = ofs->upper_mnt;  in ovl_workdir_create()
1029 	struct vfsmount *upper_mnt;  in ovl_get_upper()  local
1052 	upper_mnt = clone_private_mount(upperpath);  in ovl_get_upper()
1053 	err = PTR_ERR(upper_mnt);  in ovl_get_upper()
1054 	if (IS_ERR(upper_mnt)) {  in ovl_get_upper()
1060 	upper_mnt->mnt_flags &= ~(MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME);  in ovl_get_upper()
1061 	ofs->upper_mnt = upper_mnt;  in ovl_get_upper()
1063 	if (ovl_inuse_trylock(ofs->upper_mnt->mnt_root)) {  in ovl_get_upper()
1079 	struct vfsmount *mnt = ofs->upper_mnt;  in ovl_make_workdir()
1202 	struct vfsmount *mnt = ofs->upper_mnt;  in ovl_get_indexdir()
1258 	if (!ofs->config.nfs_export && !(ofs->config.index && ofs->upper_mnt))  in ovl_lower_uuid_ok()
1282 	if (ofs->upper_mnt && ofs->upper_mnt->mnt_sb == sb)  in ovl_get_fsid()
1380 	if (!ofs->numlowerfs || (ofs->numlowerfs == 1 && !ofs->upper_mnt)) {  in ovl_get_lower_layers()
1530 	if (ofs->upper_mnt) {  in ovl_check_overlapping_layers()
1531 		err = ovl_check_layer(sb, ofs, ofs->upper_mnt->mnt_root,  in ovl_check_overlapping_layers()
1618 		sb->s_stack_depth = ofs->upper_mnt->mnt_sb->s_stack_depth;  in ovl_fill_super()
1619 		sb->s_time_gran = ofs->upper_mnt->mnt_sb->s_time_gran;  in ovl_fill_super()
1628 	if (!ofs->upper_mnt)  in ovl_fill_super()
1652 		if (ofs->upper_mnt && ofs->config.nfs_export) {  in ovl_fill_super()