MLOG_BITS_RHS      17 fs/ocfs2/cluster/masklog.c struct mlog_bits mlog_and_bits = MLOG_BITS_RHS(MLOG_INITIAL_AND_MASK);
MLOG_BITS_RHS      19 fs/ocfs2/cluster/masklog.c struct mlog_bits mlog_not_bits = MLOG_BITS_RHS(0);