cpr_is_ufs
if (!cpr_is_ufs(vfsp)) {
extern int cpr_is_ufs(struct vfs *);
if (cpr_is_ufs(vfsp_save) == 0 || strcmp(cf->cf_fs, sfpath)) {
int cpr_is_ufs(struct vfs *);
!cpr_is_ufs(rootvfs) && !cpr_is_zfs(rootvfs)))
extern int cpr_is_ufs(struct vfs *);