return writeAllMetadataWithRevert(ctx, disks, origbucket, bucket, prefix, files, quorum, true)
}

// writeUniqueFileInfo - writes unique `xl.meta` content for each disk concurrently.
func writeUniqueFileInfo(ctx context.Context, disks []StorageAPI, origbucket, bucket, prefix string, files []FileInfo, quorum int) ([]StorageAPI, error) {

			for j := range partsMetadata {
				if errs[j] != nil {
					t.Fatalf("expected error to be nil: %s", errs[j])
				}
				partsMetadata[j].ModTime = test.modTimes[j]
			}

			if erasureDisks, err = writeUniqueFileInfo(ctx, erasureDisks, "", bucket, object, partsMetadata, diskCount(erasureDisks)); err != nil {
				t.Fatal(ctx, err)
			}

			tamperedIndex := -1
			switch test._tamperBackend {
			case deletePart: