return
	}
	bts, err = msgp.ReadExactBytes(bts, (x.VersionID)[:])
	if err != nil {
		err = msgp.WrapError(err, "VersionID")
		return
	}
	x.ModTime, bts, err = msgp.ReadInt64Bytes(bts)
	if err != nil {
		err = msgp.WrapError(err, "ModTime")
		return
	}
	{
		var zb0002 uint8
		zb0002, bts, err = msgp.ReadUint8Bytes(bts)
		if err != nil {
			err = msgp.WrapError(err, "Type")
			return
		}

	}
	versions, buf, e = msgp.ReadIntBytes(buf)
	if e != nil {
		return 0, buf, e
	}
	if versions < 0 {
		return 0, buf, fmt.Errorf("decodeXLHeaders: Negative version count %d", versions)
	}
	return versions, buf, nil
}

// decodeVersions will decode a number of versions from a buffer
// and perform a callback for each version in order, newest first.

							bucket:    bucket,
							object:    fiv.Name,
							versionID: ver.VersionID,
						}, madmin.HealItemObject)
						stopFn(int(ver.Size))
						if !isErrObjectNotFound(err) && !isErrVersionNotFound(err) {
							if err != nil {
								scannerLogIf(ctx, fmt.Errorf("%w, Object %s/%s/%s", err, bucket, fiv.Name, ver.VersionID))
							}
						}
						if err == nil {
							successVersions++

		versions[i] = objInfo.VersionID
	}

	// Remove and check the version in the second pool, then
	// remove and check the version in the first pool
	for testIdx, vid := range []string{versions[1], versions[0]} {
		names := []ObjectToDelete{
			{
				ObjectV: ObjectV{
					ObjectName: objectName,
					VersionID:  vid,
				},
			},
		}
		_, delErrs := obj.DeleteObjects(ctx, bucketName, names, ObjectOptions{

// format version and erasure coding information.
func (m *xlMetaV1Object) valid() bool {
	return isXLMetaFormatValid(m.Version, m.Format) &&
		isXLMetaErasureInfoValid(m.Erasure.DataBlocks, m.Erasure.ParityBlocks)
}

// Verifies if the backend format metadata is sane by validating
// the version string and format style.
func isXLMetaFormatValid(version, format string) bool {

	if oi.DeleteMarker || !oi.VersionPurgeStatus.Empty() {
		dsc = checkReplicateDelete(GlobalContext, oi.Bucket, ObjectToDelete{
			ObjectV: ObjectV{
				ObjectName: oi.Name,
				VersionID:  oi.VersionID,
			},
		}, oi, ObjectOptions{
			Versioned:        globalBucketVersioningSys.PrefixEnabled(oi.Bucket, oi.Name),
			VersionSuspended: globalBucketVersioningSys.PrefixSuspended(oi.Bucket, oi.Name),
		}, nil)
	} else {

	cpSrcDstSame := srcSet == dstSet
	// Check if this request is only metadata update.
	if cpSrcDstSame && srcInfo.metadataOnly {
		// Version ID is set for the destination and source == destination version ID.
		// perform an in-place update.
		if dstOpts.VersionID != "" && srcOpts.VersionID == dstOpts.VersionID {
			srcInfo.Reader.Close() // We are not interested in the reader stream at this point close it.

	report()
	fatalErr(err)

	// At this point the version stack must look as below,
	// v3 --> free version      00000000-0000-0000-0000-0000000000f2 (from removal of null version)
	// v2 --> free version      00000000-0000-0000-0000-0000000000f1 (from overwriting of null version )
	// v1 --> non-free version  00000000-0000-0000-0000-000000000001

	// Check number of free-versions

			z.ModTime, bts, err = msgp.ReadTimeBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "ModTime")
				return
			}
		case "VersionID":
			z.VersionID, bts, err = msgp.ReadStringBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "VersionID")
				return
			}
		case "IsLatest":
			z.IsLatest, bts, err = msgp.ReadBoolBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "IsLatest")

	if err != nil {
		writeErrorResponse(ctx, w, toAPIError(ctx, err), r.URL)
		return
	}
	srcOpts.VersionID = vid

	// convert copy src and dst encryption options for GET/PUT calls
	getOpts := ObjectOptions{VersionID: srcOpts.VersionID}
	if srcOpts.ServerSideEncryption != nil {
		getOpts.ServerSideEncryption = encrypt.SSE(srcOpts.ServerSideEncryption)
	}