https://github.com/smfrench/smb3-cifs-linux-stable-backports/blob/linux-5.0-full-backport/full-5.1-smb3-backport-to-5.0-kernel.zip The README file in the zip file has directions on how to build and load it. It passes current xfstests. See for example: http://smb3-test-rhel-75.southcentralus.cloudapp.azure.com/#/builders/4/builds/145 -- Thanks, Steve