mu.Lock()
				defer mu.Unlock()
				if err == nil {
					allAtEOF = false
				}
				errs[i] = err
			}(len(errs), set)
			errs = append(errs, nil)
		}
	}
	mu.Unlock()

	// Gather results to a single channel.
	// Quorum is one since we are merging across sets.
	err := mergeEntryChannels(ctx, inputs, results, 1)

	cancelList()
	wg.Wait()

	// we should return 'errs' from per disk