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server, map it to EAGAIN locally rather than EACCES. The NLM spec indicates the DENIED corresponds to lock contention, not a permission failure. This fixes O_EXLOCK/O_SHLOCK with O_NONBLOCK, which would previously give a permission error, which in turn fixes things like mailq(8) and lockf(1) over NFS. Approved by: scottl (re) Reviewed by: truckman, Andrew P Lentvorski, Jr. <bsder@allcaps.org> Idea from: truckman