linux-wandboard

NLM/lockd: Ensure we don't corrupt fl->fl_flags in nlmclnt_unlock()

Also fix up nlmclnt_lock() so that it doesn't pass modified versions of
fl->fl_flags to nlmclnt_cancel() and other helpers.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>