658 	int (*step)(struct era_metadata *, struct digest *);  member
677 	d->step = metadata_digest_lookup_writeset;  in metadata_digest_remove_writeset()
710 		d->step = metadata_digest_remove_writeset;  in metadata_digest_transcribe_writeset()
735 			d->step = NULL;  in metadata_digest_lookup_writeset()
748 	d->step = metadata_digest_transcribe_writeset;  in metadata_digest_lookup_writeset()
755 	if (d->step)  in metadata_digest_start()
765 	d->step = metadata_digest_lookup_writeset;  in metadata_digest_start()
1214 	if (!era->digest.step)  in process_old_eras()
1217 	r = era->digest.step(era->md, &era->digest);  in process_old_eras()
1220 		era->digest.step = NULL;  in process_old_eras()
1222 	} else if (era->digest.step)  in process_old_eras()