Description of problem: when non-auth mds revokes caps, Fcb caps can still be issued by auth auth mds. It's wrong to flush buffer or invalidate cache when non-auth mds revokes other caps. This bug can cause client to not respond the revoke. NOTE: CodeChange for now, will update this bz with test case and steps to reproduce later this week...
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2018:2375