750     int first_cluster = mapping->begin;  in read_directory()  local
768             first_cluster == 0 ? 0 : s->directory.next;  in read_directory()
770     if (first_cluster != 0) {  in read_directory()
784         if (first_cluster == 0 && s->directory.next >= s->root_entries - 1) {  in read_directory()
790         if(first_cluster == 0 && (is_dotdot || is_dot))  in read_directory()
818             set_begin_of_direntry(direntry, first_cluster);  in read_directory()
876     first_cluster += (s->directory.next - mapping->info.dir.first_dir_index)  in read_directory()
878     mapping->end = first_cluster;  in read_directory()
1593         struct { uint32_t first_cluster; } new_file;  member
1638         char* path, uint32_t first_cluster)  in schedule_new_file()  argument
1642     commit->param.new_file.first_cluster = first_cluster;  in schedule_new_file()
2340         uint32_t first_cluster, int dir_index)  in commit_mappings()  argument
2342     mapping_t* mapping = find_mapping_for_cluster(s, first_cluster);  in commit_mappings()
2344     uint32_t cluster = first_cluster;  in commit_mappings()
2349     assert(mapping->begin == first_cluster);  in commit_mappings()
2420     uint32_t first_cluster = dir_index == 0 ? 0 : begin_of_direntry(direntry);  in commit_direntries()  local
2421     mapping_t* mapping = find_mapping_for_cluster(s, first_cluster);  in commit_direntries()
2431     assert(mapping->begin == first_cluster);  in commit_direntries()
2443     if (first_cluster == 0) {  in commit_direntries()
2447         for (old_cluster_count = 0, c = first_cluster; !fat_eof(s, c);  in commit_direntries()
2451         for (new_cluster_count = 0, c = first_cluster; !fat_eof(s, c);  in commit_direntries()
2466     for (c = first_cluster; !fat_eof(s, c); c = modified_fat_get(s, c)) {  in commit_direntries()
2482     ret = commit_mappings(s, first_cluster, dir_index);  in commit_direntries()
2490             mapping = find_mapping_for_cluster(s, first_cluster);  in commit_direntries()
2512     uint32_t first_cluster = c;  in commit_one_file()  local
2584     return commit_mappings(s, first_cluster, dir_index);  in commit_one_file()
2804             int begin = commit->param.new_file.first_cluster;  in handle_commits()
2983     int first_cluster, last_cluster;  in vvfat_write()  local
3030     first_cluster = sector2cluster(s, sector_num);  in vvfat_write()
3033     for (i = first_cluster; i <= last_cluster;) {  in vvfat_write()
3095     for (i = first_cluster; i <= last_cluster; i++) {  in vvfat_write()