int b = t->action & BLK_TC_ACT(BLK_TC_BARRIER);
int s = t->action & BLK_TC_ACT(BLK_TC_SYNC);
int m = t->action & BLK_TC_ACT(BLK_TC_META);
+ int d = t->action & BLK_TC_ACT(BLK_TC_DISCARD);
int i = 0;
- if (w)
+ if (d)
+ rwbs[i++] = 'D';
+ else if (w)
rwbs[i++] = 'W';
else if (t->bytes)
rwbs[i++] = 'R';