log_FLUSH
if (test_bit(log_FLUSH, &log->flag)) {
set_bit(log_FLUSH, &log->flag);
set_bit(log_FLUSH, &log->flag);
clear_bit(log_FLUSH, &log->flag);
(!(tblk->xflag & COMMIT_LAZY) || test_bit(log_FLUSH, &log->flag)
clear_bit(log_FLUSH, &log->flag);
test_bit(log_FLUSH, &log->flag) || jfs_tlocks_low))
clear_bit(log_FLUSH, &log->flag);