objInfo.ETag = origETag
		enqueueTransitionImmediate(objInfo, lcEventSrc_s3CopyObject)
		// Remove the transitioned object whose object version is being overwritten.
		os.Sweep()
	}
}

// PutObjectHandler - PUT Object
// ----------
// This implementation of the PUT operation adds an object to a bucket.

	if !globalTierConfigMgr.Empty() {
		// Schedule object for immediate transition if eligible.
		enqueueTransitionImmediate(objInfo, lcEventSrc_s3CompleteMultipartUpload)
		os.Sweep()
	}
}

// AbortMultipartUploadHandler - Abort multipart upload
func (api objectAPIHandlers) AbortMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {