lockmgr_note_shared_acquire
lockmgr_note_shared_acquire(lk, 0, 0,
lockmgr_note_shared_acquire(lk, 0, 0, file, line, flags);
lockmgr_note_shared_acquire(lk, contested, waittime,
lockmgr_note_shared_acquire(lk, 0, 0, file, line,