ntfs_look_free_mft
if (ntfs_look_free_mft(sbi, &mft_new, true, ni, &mi_new)) {
err = ntfs_look_free_mft(sbi, &rno, is_mft, ni, &mi);
err = ntfs_look_free_mft(sbi, &rno, is_mft_data, ni, &mi);
err = ntfs_look_free_mft(sbi, &ino, false, NULL, NULL);
int ntfs_look_free_mft(struct ntfs_sb_info *sbi, CLST *rno, bool mft,