226 		ovl_inuse_unlock(ofs->upper_mnt->mnt_root);  in ovl_free_fs()
227 	mntput(ofs->upper_mnt);  in ovl_free_fs()
258 	if (!ofs->upper_mnt)  in ovl_sync_fs()
272 	upper_sb = ofs->upper_mnt->mnt_sb;  in ovl_sync_fs()
310 	return (!ofs->upper_mnt || !ofs->workdir);  in ovl_force_readonly()
594 	struct vfsmount *mnt = ofs->upper_mnt;  in ovl_workdir_create()
967 	struct vfsmount *upper_mnt;  in ovl_get_upper()  local
985 	upper_mnt = clone_private_mount(upperpath);  in ovl_get_upper()
986 	err = PTR_ERR(upper_mnt);  in ovl_get_upper()
987 	if (IS_ERR(upper_mnt)) {  in ovl_get_upper()
993 	upper_mnt->mnt_flags &= ~(MNT_NOATIME | MNT_NODIRATIME | MNT_RELATIME);  in ovl_get_upper()
994 	ofs->upper_mnt = upper_mnt;  in ovl_get_upper()
997 	if (ovl_inuse_trylock(ofs->upper_mnt->mnt_root)) {  in ovl_get_upper()
1013 	struct vfsmount *mnt = ofs->upper_mnt;  in ovl_make_workdir()
1131 	struct vfsmount *mnt = ofs->upper_mnt;  in ovl_get_indexdir()
1186 	if (ofs->upper_mnt && ofs->upper_mnt->mnt_sb == sb)  in ovl_get_fsid()
1263 	if (!ofs->numlowerfs || (ofs->numlowerfs == 1 && !ofs->upper_mnt)) {  in ovl_get_lower_layers()
1427 		sb->s_stack_depth = ofs->upper_mnt->mnt_sb->s_stack_depth;  in ovl_fill_super()
1428 		sb->s_time_gran = ofs->upper_mnt->mnt_sb->s_time_gran;  in ovl_fill_super()
1437 	if (!ofs->upper_mnt)  in ovl_fill_super()
1457 		if (ofs->upper_mnt && ofs->config.nfs_export) {  in ovl_fill_super()