userspace-rcu from home:garloff:bcachefs project
Select Your Operating System
Add repository and install manually
For RHEL 7 run the following as root:
cd /etc/yum.repos.d/ wget https://download.opensuse.org/repositories/home:garloff:bcachefs/RHEL_7/home:garloff:bcachefs.repo yum install userspace-rcu