590     int start_level = 0;  in CompactRange()  local
591     for (; start_level < vstorage->num_levels() &&  in CompactRange()
592            vstorage->NumLevelFiles(start_level) == 0;  in CompactRange()
593          start_level++) {  in CompactRange()
595     if (start_level == vstorage->num_levels()) {  in CompactRange()
599     if ((start_level == 0) && (!level0_compactions_in_progress_.empty())) {  in CompactRange()
606                                              start_level);  in CompactRange()
607     for (int level = start_level; level < vstorage->num_levels(); level++) {  in CompactRange()
608       inputs[level - start_level].level = level;  in CompactRange()
609       auto& files = inputs[level - start_level].files;  in CompactRange()
1041   if (c->start_level() == 0 ||  in RegisterCompaction()
1052   if (c->start_level() == 0 ||  in UnregisterCompaction()
1060     const std::string& cf_name, VersionStorageInfo* vstorage, int* start_level,  in PickFilesMarkedForCompaction()  argument
1071     *start_level = level_file.first;  in PickFilesMarkedForCompaction()
1073         (*start_level == 0) ? vstorage->base_level() : *start_level + 1;  in PickFilesMarkedForCompaction()
1075     if (*start_level == 0 && !level0_compactions_in_progress()->empty()) {  in PickFilesMarkedForCompaction()
1080     start_level_inputs->level = *start_level;  in PickFilesMarkedForCompaction()