hpfs_search_hotfix_map_for_range
if (unlikely(hpfs_search_hotfix_map_for_range(s, secno, n) != n))
n_secs = hpfs_search_hotfix_map_for_range(sb, s,
n_secs = hpfs_search_hotfix_map_for_range(inode->i_sb, s, n_secs);
unsigned hpfs_search_hotfix_map_for_range(struct super_block *s, secno sec, unsigned n);