Merge pull request #15396 from jsafrane/gluster-auto-unmount-3.6

Automatic merge from submit-queue

Gluster timeout patches

There are several upstream patches that shorten gluster timeout when remote gluster servers are unavailable. User gets an error about failed mount in 2 minutes instead of 2 minutes * 2 * nr. of gluster endpoints.

kubernetes/kubernetes#42038
kubernetes/kubernetes#49127
kubernetes/kubernetes#48709
kubernetes/kubernetes#49475

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1473587

Author: openshift-merge-robot