r.expectedMax = expectedMax
}

// AddChecksum will add checksum checks as specified in
// https://docs.aws.amazon.com/AmazonS3/latest/userguide/checking-object-integrity.html
// Returns ErrInvalidChecksum if a problem with the checksum is found.
func (r *Reader) AddChecksum(req *http.Request, ignoreValue bool) error {
	cs, err := GetContentChecksum(req.Header)
	if err != nil {
		return ErrInvalidChecksum
	}
	if cs == nil {

	}
	if erErr == nil {
		if meta.XLV1 {
			// Legacy means heal always
			// always check first.
			return true
		}
		if !meta.Deleted && !meta.IsRemote() {
			// If xl.meta was read fine but there may be problem with the part.N files.
			if IsErr(dataErr, []error{
				errFileNotFound,
				errFileVersionNotFound,
				errFileCorrupt,
			}...) {
				return true
			}
		}
		if !latestMeta.Equals(meta) {

	// Writes expected write quorum
	MinIOWriteQuorum = "x-minio-write-quorum"

	// Reads expected read quorum
	MinIOReadQuorum = "x-minio-read-quorum"

	// Indicates if we are using default storage class and there was problem loading config
	// if this header is set to "true"
	MinIOStorageClassDefaults = "x-minio-storage-class-defaults"

	// Reports number of drives currently healing
	MinIOHealingDrives = "x-minio-healing-drives"