Please branch bonnie++ for EPEL7, if you don't have desire to maintain this in EPEL7 I would be happy to or otherwise would be happy to co-maintain.
Package Change Request
Package Name: bonnie++
New Branches: epel7
Git done (by process-git-requests).
bonnie++-1.96-8.el7 has been submitted as an update for Fedora EPEL 7.
bonnie++-1.96-8.el7 has been pushed to the Fedora EPEL 7 testing repository.
bonnie++-1.96-8.el7 has been pushed to the Fedora EPEL 7 stable repository.