ovl_need_index    660 fs/overlayfs/copy_up.c 	if (ovl_need_index(c->dentry)) {
ovl_need_index    271 fs/overlayfs/overlayfs.h bool ovl_need_index(struct dentry *dentry);
ovl_need_index    773 fs/overlayfs/util.c 	if (ovl_need_index(dentry) && !ovl_dentry_has_upper_alias(dentry)) {