+do_resize2fs_size (const char *device, int64_t size)
+{
+ char *err;
+ int r;
+
+ char prog[] = "resize2fs";
+ if (e2prog (prog) == -1)
+ return -1;
+
+ /* resize2fs itself may impose additional limits. Since we are
+ * going to use the 'K' suffix however we can only work with whole
+ * kilobytes.
+ */
+ if (size & 1023) {
+ reply_with_error ("%" PRIi64 ": size must be a round number of kilobytes",
+ size);
+ return -1;
+ }
+ size /= 1024;
+
+ char buf[32];
+ snprintf (buf, sizeof buf, "%" PRIi64 "K", size);
+
+ r = command (NULL, &err, prog, device, buf, NULL);
+ if (r == -1) {
+ reply_with_error ("%s", err);
+ free (err);
+ return -1;
+ }
+
+ free (err);
+ return 0;
+}
+
+int