switch strings.ToUpper(alg) {
	case "CRC32":
		return ChecksumCRC32
	case "CRC32C":
		return ChecksumCRC32C
	case "SHA1":
		return ChecksumSHA1
	case "SHA256":
		return ChecksumSHA256
	case "":
		return ChecksumNone
	}
	return ChecksumInvalid
}

// String returns the type as a string.
func (c ChecksumType) String() string {
	switch {
	case c.Is(ChecksumCRC32):
		return "CRC32"

	mc idp ldap add old-minio \
		server_addr=localhost:1389 \
		server_insecure=on \
		lookup_bind_dn=cn=admin,dc=min,dc=io \
		lookup_bind_password=admin \
		user_dn_search_base_dn=dc=min,dc=io \
		user_dn_search_filter="(uid=%s)" \
		group_search_base_dn=ou=swengg,dc=min,dc=io \
		group_search_filter="(&(objectclass=groupOfNames)(member=%d))"
	mc admin service restart old-minio

	defer cancel()

	switch {
	case usersPrefix:
		accessKey := path.Dir(strings.TrimPrefix(event.keyPath, iamConfigUsersPrefix))
		err = sys.store.UserNotificationHandler(ctx, accessKey, regUser)
	case stsPrefix:
		accessKey := path.Dir(strings.TrimPrefix(event.keyPath, iamConfigSTSPrefix))
		err = sys.store.UserNotificationHandler(ctx, accessKey, stsUser)
	case svcPrefix:

	case ObjectAccessedHead:
		return "s3:ObjectAccessed:Head"
	case ObjectAccessedAttributes:
		return "s3:ObjectAccessed:Attributes"
	case ObjectCreatedAll:
		return "s3:ObjectCreated:*"
	case ObjectCreatedCompleteMultipartUpload:
		return "s3:ObjectCreated:CompleteMultipartUpload"
	case ObjectCreatedCopy:
		return "s3:ObjectCreated:Copy"
	case ObjectCreatedPost:
		return "s3:ObjectCreated:Post"
	case ObjectCreatedPut:

	switch e := err.(type) {
	case policy.Error:
		apiErr = APIError{
			Code:           "XMinioMalformedIAMPolicy",
			Description:    e.Error(),
			HTTPStatusCode: http.StatusBadRequest,
		}
	case config.ErrConfigNotFound:
		apiErr = APIError{
			Code:           "XMinioConfigNotFoundError",
			Description:    e.Error(),
			HTTPStatusCode: http.StatusNotFound,
		}
	case config.ErrConfigGeneric:
		apiErr = APIError{

	case BucketAlreadyExists:
		apiErr = ErrBucketAlreadyExists
	case BucketExists:
		apiErr = ErrBucketAlreadyOwnedByYou
	case ObjectNotFound:
		apiErr = ErrNoSuchKey
	case MethodNotAllowed:
		apiErr = ErrMethodNotAllowed
	case ObjectLocked:
		apiErr = ErrObjectLocked
	case InvalidVersionID:
		apiErr = ErrInvalidVersionID
	case VersionNotFound:
		apiErr = ErrNoSuchVersion

			}
		case "Limit":
			z.Limit, err = dc.ReadInt()
			if err != nil {
				err = msgp.WrapError(err, "Limit")
				return
			}
		case "AskDisks":
			z.AskDisks, err = dc.ReadString()
			if err != nil {
				err = msgp.WrapError(err, "AskDisks")
				return
			}
		case "InclDeleted":
			z.InclDeleted, err = dc.ReadBool()
			if err != nil {
				err = msgp.WrapError(err, "InclDeleted")
				return
			}
		case "Recursive":

			size: 200,
		},
	}
	createUsageTestFiles(t, base, bucket, files)
	err = os.RemoveAll(filepath.Join(base, bucket, "dir1/dira/dirasub/dcfile"))
	if err != nil {
		t.Fatal(err)
	}
	// Changed dir must be picked up in this many cycles.
	for i := 0; i < dataUsageUpdateDirCycles; i++ {
		got, err = scanDataFolder(context.Background(), nil, base, got, getSize, 0, weSleep)
		got.Info.NextCycle++
		if err != nil {

		case header == nil:
			continue
		}

		name := header.Name
		switch path.Clean(name) {
		case ".", slashSeparator:
			continue
		}

		switch header.Typeflag {
		case tar.TypeDir: // = directory
			if o.ignoreDirs {
				continue
			}
			name = trimLeadingSlash(pathJoin(name, slashSeparator))

				return
			}
		case "dependGlobalKMS":
			z.dependGlobalKMS, bts, err = msgp.ReadBoolBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "dependGlobalKMS")
				return
			}
		case "bucketOnly":
			z.bucketOnly, bts, err = msgp.ReadBoolBytes(bts)
			if err != nil {
				err = msgp.WrapError(err, "bucketOnly")
				return
			}
		case "dependGlobalLambdaTargetList":