XLOG_CIL_PCP_SPACE
if (!test_and_clear_bit(XLOG_CIL_PCP_SPACE, &cil->xc_flags))
set_bit(XLOG_CIL_PCP_SPACE, &cil->xc_flags);
if (!test_bit(XLOG_CIL_PCP_SPACE, &cil->xc_flags)) {