Merge tag 'dlm-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm fix from David Teigland:
 "This set includes a single fix to resolve to a race that could cause
  lockspace shutdown to incorrectly return -EBUSY"

* tag 'dlm-3.13' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: Avoid that dlm_release_lockspace() incorrectly returns -EBUSY