Pull btrfs MAINTAINERS file update:
 "I'm still getting settled into new devel hardware etc, but I do have
  one commit for the next rc.

  This changes my email over to fb.com, and adds a MAINTAINERS entry for
  Josef as well"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: update the MAINTAINERS file