INDIRECT_GREFS
for (j = 0; j < INDIRECT_GREFS(segs); j++) {
for (i = 0; i < INDIRECT_GREFS(num_grant); i++) {
(grants + INDIRECT_GREFS(grants)) * BLK_RING_SIZE(info));
int num = INDIRECT_GREFS(grants) * BLK_RING_SIZE(info);
INDIRECT_GREFS(grants));
max_grefs += INDIRECT_GREFS(max_grefs);