233 		ovl_inuse_unlock(ofs->upper_mnt->mnt_root);  in ovl_free_fs()
234 	mntput(ofs->upper_mnt);  in ovl_free_fs()
267 	if (!ofs->upper_mnt)  in ovl_sync_fs()
281 	upper_sb = ofs->upper_mnt->mnt_sb;  in ovl_sync_fs()
319 	return (!ofs->upper_mnt || !ofs->workdir);  in ovl_force_readonly()
625 	struct vfsmount *mnt = ofs->upper_mnt;  in ovl_workdir_create()
1040 	struct vfsmount *upper_mnt;  in ovl_get_upper()  local
1063 	upper_mnt = clone_private_mount(upperpath);  in ovl_get_upper()
1064 	err = PTR_ERR(upper_mnt);  in ovl_get_upper()
1065 	if (IS_ERR(upper_mnt)) {  in ovl_get_upper()
1071 	upper_mnt->mnt_flags &= ~(MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME);  in ovl_get_upper()
1072 	ofs->upper_mnt = upper_mnt;  in ovl_get_upper()
1074 	if (ovl_inuse_trylock(ofs->upper_mnt->mnt_root)) {  in ovl_get_upper()
1090 	struct vfsmount *mnt = ofs->upper_mnt;  in ovl_make_workdir()
1213 	struct vfsmount *mnt = ofs->upper_mnt;  in ovl_get_indexdir()
1273 	if (ofs->upper_mnt && ofs->upper_mnt->mnt_sb == sb)  in ovl_get_fsid()
1372 	if (!ofs->numlowerfs || (ofs->numlowerfs == 1 && !ofs->upper_mnt)) {  in ovl_get_lower_layers()
1523 	if (ofs->upper_mnt) {  in ovl_check_overlapping_layers()
1524 		err = ovl_check_layer(sb, ofs, ofs->upper_mnt->mnt_root,  in ovl_check_overlapping_layers()
1612 		sb->s_stack_depth = ofs->upper_mnt->mnt_sb->s_stack_depth;  in ovl_fill_super()
1613 		sb->s_time_gran = ofs->upper_mnt->mnt_sb->s_time_gran;  in ovl_fill_super()
1622 	if (!ofs->upper_mnt)  in ovl_fill_super()
1646 		if (ofs->upper_mnt && ofs->config.nfs_export) {  in ovl_fill_super()