geom/virstor/g_virstor.c

314 		struct g_virstor_metadata md;
407 		fill_metadata(sc, &md, nc, *hardcode);
408 		write_metadata(cp, &md);
477 	struct g_virstor_metadata md;
489 		read_metadata(sc->components[n].gcons, &md);
490 		md.chunk_next = sc->components[n].chunk_next;
491 		md.flags = sc->components[n].flags;
492 		md.md_count = sc->n_components;
493 		write_metadata(sc->components[n].gcons, &md);
498  * Fills metadata (struct md) from information stored in softc and the nc'th
502 fill_metadata(struct g_virstor_softc *sc, struct g_virstor_metadata *md,
507 	bzero(md, sizeof *md);
510 	strncpy(md->md_magic, G_VIRSTOR_MAGIC, sizeof md->md_magic);
511 	md->md_version = G_VIRSTOR_VERSION;
512 	strncpy(md->md_name, sc->geom->name, sizeof md->md_name);
513 	md->md_id = sc->id;
514 	md->md_virsize = sc->virsize;
515 	md->md_chunk_size = sc->chunk_size;
516 	md->md_count = sc->n_components;
519 		strncpy(md->provider, c->gcons->provider->name,
520 		    sizeof md->provider);
522 	md->no = nc;
523 	md->provsize = c->gcons->provider->mediasize;
524 	md->chunk_count = c->chunk_count;
525 	md->chunk_next = c->chunk_next;
526 	md->chunk_reserved = c->chunk_reserved;
527 	md->flags = c->flags;
780 	struct g_virstor_metadata md;
798 	error = read_metadata(cp, &md);
806 	if (strcmp(md.md_magic, G_VIRSTOR_MAGIC) != 0)
808 	if (md.md_version != G_VIRSTOR_VERSION) {
811 		    md.md_name, pp->name, md.md_version, G_VIRSTOR_VERSION);
814 	if (md.provsize != pp->mediasize)
820 	if (md.provider[0] != '\0' &&
821 	    !g_compare_names(md.provider, pp->name))
834 		if (strcmp(md.md_name, sc->geom->name) != 0)
836 		if (md.md_id != sc->id)
841 		LOG_MSG(LVL_INFO, "Adding %s to %s", pp->name, md.md_name);
842 		error = add_provider_to_geom(sc, pp, &md);
845 			    pp->name, md.md_name, error);
849 		gp = create_virstor_geom(mp, &md);
852 			    "class %s: %s", mp->name, md.md_name);
854 			    md.md_name, pp->name);
859 		    md.md_name);
860 		error = add_provider_to_geom(sc, pp, &md);
863 			    pp->name, md.md_name, error);
993 read_metadata(struct g_consumer *cp, struct g_virstor_metadata *md)
1012 	virstor_metadata_decode(buf, md);
1028 write_metadata(struct g_consumer *cp, struct g_virstor_metadata *md)
1034 	KASSERT(cp != NULL && md != NULL && cp->provider != NULL,
1048 	virstor_metadata_encode(md, buf);
1065 create_virstor_geom(struct g_class *mp, struct g_virstor_metadata *md)
1071 	    md->md_name, md->md_id);
1073 	if (md->md_count < 1 || md->md_chunk_size < 1 ||
1074 	    md->md_virsize < md->md_chunk_size) {
1078 		    md->md_name);
1085 		if (sc != NULL && strcmp(sc->geom->name, md->md_name) == 0) {
1087 			    md->md_name);
1088 			if (sc->id != md->md_id) {
1102 	gp = g_new_geomf(mp, "%s", md->md_name);
1112 	sc->id = md->md_id;
1113 	sc->n_components = md->md_count;
1114 	sc->components = malloc(sizeof(struct g_virstor_component) * md->md_count,
1116 	sc->chunk_size = md->md_chunk_size;
1117 	sc->virsize = md->md_virsize;
1136     struct g_virstor_metadata *md)
1143 	if (md->no >= sc->n_components)
1147 	component = &(sc->components[md->no]);
1186 	component->index = md->no;
1187 	component->chunk_count = md->chunk_count;
1188 	component->chunk_next = md->chunk_next;
1189 	component->chunk_reserved = md->chunk_reserved;
1190 	component->flags = md->flags;