+ return true;
+}
+
+static int commit_super_block(const struct exfat* ef)
+{
+ if (exfat_pwrite(ef->dev, ef->sb, sizeof(struct exfat_super_block), 0) < 0)
+ {
+ exfat_error("failed to write super block");
+ return 1;
+ }
+ return exfat_fsync(ef->dev);
+}
+
+static int prepare_super_block(const struct exfat* ef)
+{
+ if (le16_to_cpu(ef->sb->volume_state) & EXFAT_STATE_MOUNTED)
+ exfat_warn("volume was not unmounted cleanly");
+
+ if (ef->ro)
+ return 0;
+
+ ef->sb->volume_state = cpu_to_le16(
+ le16_to_cpu(ef->sb->volume_state) | EXFAT_STATE_MOUNTED);
+ return commit_super_block(ef);