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);