Fans consider her Kishimoto's biggest mistake. Jiraiya was influential in Naruto's life, and without him, he certainly would not have been the man that he is today. As fans know, Jiraiya lost to ...

which means that it's highly unlikely that Jiraiya will somehow be reanimated or resurrected in Boruto. Though he is almost assuredly gone for good, Jiraiya still left a lasting legacy on Naruto.