return
	}
	vars := mux.Vars(r)
	op := madmin.SiteResyncOp(vars["operation"])
	var (
		status madmin.SRResyncOpStatus
		err    error
	)
	switch op {
	case madmin.SiteResyncStart:
		status, err = globalSiteReplicationSys.startResync(ctx, objectAPI, peerSite)
	case madmin.SiteResyncCancel:
		status, err = globalSiteReplicationSys.cancelResync(ctx, objectAPI, peerSite)
	default: