FILE* fstab = fopen("/etc/recovery.fstab", "r");
    if (fstab == NULL) {
        fstab = fopen("/misc/recovery.fstab", "r");
    }
    if (fstab == NULL) {
        LOGE("failed to open /etc/recovery.fstab or /misc/recovery.fstab (%s)\n", strerror(errno));
        return;
    }