xlog_alloc_buffer
tmp_buffer = xlog_alloc_buffer(log, 1);
buffer = xlog_alloc_buffer(log, 1);
buffer = xlog_alloc_buffer(log, 1);
while (!(buffer = xlog_alloc_buffer(log, bufblks))) {
hbp = xlog_alloc_buffer(log, hblks);
hbp = xlog_alloc_buffer(log, hblks);
dbp = xlog_alloc_buffer(log, BTOBB(h_size));
while (!(buffer = xlog_alloc_buffer(log, bufblks))) {
buffer = xlog_alloc_buffer(log, num_blks);
buffer = xlog_alloc_buffer(log, 1);
buffer = xlog_alloc_buffer(log, 1);
buffer = xlog_alloc_buffer(log, 1);