… > +++ b/fs/exfat/balloc.c … +int exfat_count_used_clusters(struct super_block *sb, unsigned int *ret_count) +{ … + /* FIXME : abnormal bitmap count should be handled as more smart */ + if (total_clus < count) + count = total_clus; Would you like to improve any implementation details according to this comment? Regards, Markus