feat: bring new HDD related performance enhancements (#18239)

Optionally allows customers to enable 

- Enable an external cache to catch GET/HEAD responses 
- Enable skipping disks that are slow to respond in GET/HEAD 
  when we have already achieved a quorum

cmd/erasure-metadata.go

@@ -158,6 +158,7 @@ func (fi FileInfo) ToObjectInfo(bucket, object string, versioned bool) ObjectInf
 		ContentEncoding:  fi.Metadata["content-encoding"],
 		NumVersions:      fi.NumVersions,
 		SuccessorModTime: fi.SuccessorModTime,
+		CacheControl:     fi.Metadata["cache-control"],
 	}
 
 	if exp, ok := fi.Metadata["expires"]; ok {