ovl_copy_xattr    461 fs/overlayfs/copy_up.c 	err = ovl_copy_xattr(c->lowerpath.dentry, temp);
ovl_copy_xattr    368 fs/overlayfs/dir.c 	err = ovl_copy_xattr(upper, opaquedir);
ovl_copy_xattr    425 fs/overlayfs/overlayfs.h int ovl_copy_xattr(struct dentry *old, struct dentry *new);