+static int clear_update_ondisk(char *source, struct lustre_disk_data *ldd)
+{
+ char always_mountopts[512] = "";
+ char default_mountopts[512] = "";
+ struct mkfs_opts mkop;
+ int ret;
+
+ memset(&mkop, 0, sizeof(mkop));
+ mkop.mo_ldd = *ldd;
+ mkop.mo_ldd.ldd_flags &= ~LDD_F_UPDATE;
+ strcpy(mkop.mo_device, source);
+
+ ret = osd_prepare_lustre(&mkop,
+ default_mountopts, sizeof(default_mountopts),
+ always_mountopts, sizeof(always_mountopts));
+ if (ret) {
+ fatal();
+ fprintf(stderr, "Can't prepare device %s: %s\n",
+ source, strerror(ret));
+ return ret;
+ }
+
+ /* Create the loopback file */
+ if (mkop.mo_flags & MO_IS_LOOP) {
+ ret = access(mkop.mo_device, F_OK);
+ if (ret) {
+ ret = errno;
+ fatal();
+ fprintf(stderr, "Can't access device %s: %s\n",
+ source, strerror(ret));
+ return ret;
+ }
+
+ ret = loop_setup(&mkop);
+ if (ret) {
+ fatal();
+ fprintf(stderr, "Loop device setup for %s failed: %s\n",
+ mkop.mo_device, strerror(ret));
+ return ret;
+ }
+ }
+ ret = osd_write_ldd(&mkop);
+ if (ret != 0) {
+ fatal();
+ fprintf(stderr, "failed to write local files: %s\n",
+ strerror(ret));
+ }
+ loop_cleanup(&mkop);
+
+ return ret;
+}
+