+int plugin_backup_acl(JCR *jcr, FF_PKT *ff_pkt, char **data);
+bool plugin_restore_acl(JCR *jcr, char *data, uint32_t length);
+int plugin_backup_xattr(JCR *jcr, FF_PKT *ff_pkt, char **data);
+bool plugin_restore_xattr(JCR *jcr, char *data, uint32_t length);