Pull dlm updates from David Teigland:
 "This set cleans up the interface between nfs lockd and dlm, which is
  handling nfs file locking for gfs2 and ocfs2. Very basic lockd
  functionality is fixed, in which the fl owner was using the lockd pid
  instead of the owner value from nfs"

* tag 'dlm-6.8' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm:
  dlm: update format header reflect current format
  dlm: fix format seq ops type 4
  dlm: implement EXPORT_OP_ASYNC_LOCK
  dlm: use FL_SLEEP to determine blocking vs non-blocking
  dlm: use fl_owner from lockd
  dlm: use kernel_connect() and kernel_bind()