Merge tag 'dlm-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm

Pull dlm updates from David Teigland:
 "This set fixes some conditions in which value blocks are invalidated,
  and includes two trivial cleanups."

* tag 'dlm-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: fix lvb invalidation conditions
  fs/dlm: remove CONFIG_EXPERIMENTAL
  dlm: remove unused variable in *dlm_lowcomms_get_buffer()