func decodeVersions(buf []byte, versions int, fn func(idx int, hdr, meta []byte) error) (err error) {
	var tHdr, tMeta []byte // Zero copy bytes
	for i := 0; i < versions; i++ {
		tHdr, buf, err = msgp.ReadBytesZC(buf)
		if err != nil {
			return err
		}
		tMeta, buf, err = msgp.ReadBytesZC(buf)
		if err != nil {
			return err
		}
		if err = fn(i, tHdr, tMeta); err != nil {
			return err
		}
	}
	return nil
}

Anis Eleuch <******@****.***> 1712232280 +0100

	// TLDR..
	// Not used anymore xl.meta captures the right blockSize
	// so blockSizeV2 should be used for all future purposes.
	// this value is kept here to calculate the max API
	// requests based on RAM size for existing content.
	blockSizeV1 = 10 * humanize.MiByte

	// Block size used in erasure coding version 2.
	blockSizeV2 = 1 * humanize.MiByte

	// Buckets meta prefix.
	bucketMetaPrefix = "buckets"

		// is ready to be read.
		//
		// This is possible to be lock free because
		// - xl.meta for inlined objects has already read the data
		//   into memory, any mutation on xl.meta subsequently is
		//   inconsequential to the overall read operation.
		// - xl.meta metadata is still verified for quorum under lock()
		//   however writing the response doesn't need to serialize
		//   concurrent writers

		t    madmin.BucketTargets
		meta map[string]string
	)
	if len(cdata) == 0 {
		return nil, nil
	}
	data = cdata
	json := jsoniter.ConfigCompatibleWithStandardLibrary
	if len(cmetadata) != 0 {
		if err := json.Unmarshal(cmetadata, &meta); err != nil {
			return nil, err
		}
		if crypto.S3.IsEncrypted(meta) {
			if data, err = decryptBucketMetadata(cdata, bucket, meta, kms.Context{
				bucket:            bucket,

	obj := "obj-1"
	now := time.Now()
	meta := BucketMetadata{
		Name:                      bucket,
		Created:                   now,
		LifecycleConfigXML:        lcXML,
		VersioningConfigXML:       vcfgXML,
		VersioningConfigUpdatedAt: now,
		LifecycleConfigUpdatedAt:  now,
		lifecycleConfig:           &lc,
		versioningConfig:          &vcfg,
	}
	globalBucketMetadataSys.Set(bucket, meta)
	item := scannerItem{
		Path:       obj,

		case VersionNotFound:
		default:
			t.Fatalf("Object %s is not removed", test.bucket+SlashSeparator+test.object)
		}
	}

	if _, err = os.ReadFile(pathJoin(fsDirs[0], bucketName, "dir/obj1", "xl.meta")); err == nil {
		t.Fatalf("xl.meta still present after removal")
	}
}

func TestErasureDeleteObjectsErasureSet(t *testing.T) {
	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	// If it doesn't exist we get a new, so ignore errors
	meta := newBucketMetadata(bucket)
	meta.SetCreatedAt(opts.CreatedAt)
	if opts.LockEnabled {
		meta.VersioningConfigXML = enabledBucketVersioningConfig
		meta.ObjectLockConfigXML = enabledBucketObjectLockConfig
	}

	if opts.VersioningEnabled {
		meta.VersioningConfigXML = enabledBucketVersioningConfig
	}

	if err := meta.Save(context.Background(), z); err != nil {

		},
		Expected: map[string]string{},
	},
	{ // 1
		Metadata: map[string]string{
			MetaMultipart:        "",
			MetaIV:               "",
			"X-Amz-Meta-A":       "X",
			"X-Minio-Internal-B": "Y",
		},
		Expected: map[string]string{
			"X-Amz-Meta-A":       "X",
			"X-Minio-Internal-B": "Y",
		},
	},
}

func TestRemoveInternalEntries(t *testing.T) {
	isEqual := func(x, y map[string]string) bool {

func checkMetaHeaders(signedHeadersMap http.Header, r *http.Request) APIErrorCode {
	// check values from http header
	for k, val := range r.Header {
		if stringsHasPrefixFold(k, "X-Amz-Meta-") {
			if signedHeadersMap.Get(k) == val[0] {
				continue
			}
			return ErrUnsignedHeaders
		}
	}

	return ErrNone