+
+static char *container2devname(char *devname)
+{
+ char *mdname = NULL;
+
+ if (devname[0] == '/') {
+ int fd = open(devname, O_RDONLY);
+ if (fd >= 0) {
+ mdname = devnum2devname(fd2devnum(fd));
+ close(fd);
+ }
+ } else {
+ int uuid[4];
+ struct map_ent *mp, *map = NULL;
+
+ if (!parse_uuid(devname, uuid))
+ return mdname;
+ mp = map_by_uuid(&map, uuid);
+ if (mp)
+ mdname = devnum2devname(mp->devnum);
+ map_free(map);
+ }
+
+ return mdname;
+}
+
+int Incremental_container(struct supertype *st, char *devname, int verbose,
+ int runstop, int autof, int trustworthy)
+{
+ /* Collect the contents of this container and for each
+ * array, choose a device name and assemble the array.
+ */
+
+ struct mdinfo *list = st->ss->container_content(st);
+ struct mdinfo *ra;
+ struct map_ent *map = NULL;
+
+ map_lock(&map);
+
+ for (ra = list ; ra ; ra = ra->next) {
+ int mdfd;
+ char chosen_name[1024];
+ struct map_ent *mp;
+ struct mddev_ident_s *match = NULL;
+
+ mp = map_by_uuid(&map, ra->uuid);
+
+ if (mp) {
+ mdfd = open_dev(mp->devnum);
+ if (mp->path)
+ strcpy(chosen_name, mp->path);
+ else
+ strcpy(chosen_name, devnum2devname(mp->devnum));
+ } else {
+
+ /* Check in mdadm.conf for container == devname and
+ * member == ra->text_version after second slash.
+ */
+ char *sub = strchr(ra->text_version+1, '/');
+ struct mddev_ident_s *array_list;
+ if (sub) {
+ sub++;
+ array_list = conf_get_ident(NULL);
+ } else
+ array_list = NULL;
+ for(; array_list ; array_list = array_list->next) {
+ char *dn;
+ if (array_list->member == NULL ||
+ array_list->container == NULL)
+ continue;
+ if (strcmp(array_list->member, sub) != 0)
+ continue;
+ if (array_list->uuid_set &&
+ !same_uuid(ra->uuid, array_list->uuid, st->ss->swapuuid))
+ continue;
+ dn = container2devname(array_list->container);
+ if (dn == NULL)
+ continue;
+ if (strncmp(dn, ra->text_version+1,
+ strlen(dn)) != 0 ||
+ ra->text_version[strlen(dn)+1] != '/') {
+ free(dn);
+ continue;
+ }
+ free(dn);
+ /* we have a match */
+ match = array_list;
+ if (verbose>0)
+ fprintf(stderr, Name ": match found for member %s\n",
+ array_list->member);
+ break;
+ }
+
+ if (match && match->devname &&
+ strcasecmp(match->devname, "<ignore>") == 0) {
+ if (verbose > 0)
+ fprintf(stderr, Name ": array %s/%s is "
+ "explicitly ignored by mdadm.conf\n",
+ match->container, match->member);
+ return 2;
+ }
+ if (match)
+ trustworthy = LOCAL;
+
+ mdfd = create_mddev(match ? match->devname : NULL,
+ ra->name,
+ autof,
+ trustworthy,
+ chosen_name);
+ }
+
+ if (mdfd < 0) {
+ fprintf(stderr, Name ": failed to open %s: %s.\n",
+ chosen_name, strerror(errno));
+ return 2;
+ }
+
+ assemble_container_content(st, mdfd, ra, runstop,
+ chosen_name, verbose);
+ }
+ map_unlock(&map);
+ return 0;
+}