authz: Move locking of emailsCacheMutex (!40654) · Merge requests · Warren Gifford / sourcegraph

Warren Gifford requested to merge rs/move-mutex-use into main Aug 22, 2022

Created by: ryanslade

Before we were locking well before actually making any changes to the map which would hold the lock for too long.

Also added some comments around why we lock in a couple of other places as it wasn't obvious.

Test plan

Existing tests pass