651 struct digest {  struct
658 	int (*step)(struct era_metadata *, struct digest *);  argument
662 					   struct digest *d);
665 					   struct digest *d)  in metadata_digest_remove_writeset()
684 					       struct digest *d)  in metadata_digest_transcribe_writeset()
718 					   struct digest *d)  in metadata_digest_lookup_writeset()
753 static int metadata_digest_start(struct era_metadata *md, struct digest *d)  in metadata_digest_start()
1161 	struct digest digest;  member
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()
1305 		metadata_digest_start(era->md, &era->digest);  in kick_off_digest()