Ceph

The backport issue should have the same priority as the issue it is derived from. This is a hint that helps backporters figure out which issues should be worked on first.

If the backport issues had their priority set manually, they would likely be different from the priority of the issue they are derived from. But noone is doing this as of 2021 and as a result all backport issues have the same priority. When someone has to pick a backport issue to work on, they chose at random.

Setting the priority of a backport is better because there is a good chance that an issue that had to be fixed urgently in master also has a higher backport priority.