}
			return errFileCorrupt
		}, index)
	}

	// Wait for all the routines.
	mErrs := g.Wait()

	err := reduceWriteQuorumErrs(ctx, mErrs, objectOpIgnoredErrs, quorum)
	if err != nil && revert {
		ng := errgroup.WithNErrs(len(disks))
		for index := range disks {
			if mErrs[index] != nil {
				continue
			}
			index := index
			ng.Go(func() error {
				if disks[index] == nil {