static void fiops_charge_vios(struct fiops_data *fiopsd,
struct fiops_ioc *ioc, u64 vios)
{
struct fiops_rb_root *service_tree = ioc->service_tree;
ioc->vios += vios;
if (RB_EMPTY_ROOT(&ioc->sort_list))
fiops_del_ioc_rr(fiopsd, ioc);
else
fiops_resort_rr_list(fiopsd, ioc);
fiops_update_min_vios(service_tree);
}
static void
fiops_merged_requests(struct request_queue *q, struct request *rq,
struct request *next)
{
struct fiops_ioc *ioc = RQ_CIC(rq);
struct fiops_data *fiopsd = q->elevator->elevator_data;
fiops_remove_request(next);
ioc = RQ_CIC(next);
/*
* all requests of this task are merged to other tasks, delete it
* from the service tree.
*/
if (fiops_ioc_on_rr(ioc) && RB_EMPTY_ROOT(&ioc->sort_list))
fiops_del_ioc_rr(fiopsd, ioc);
}
static int fiops_forced_dispatch(struct fiops_data *fiopsd)
{
struct fiops_ioc *ioc;
int dispatched = 0;
int i;
for (i = RT_WORKLOAD; i >= IDLE_WORKLOAD; i--) {
while (!RB_EMPTY_ROOT(&fiopsd->service_tree[i].rb)) {
ioc = fiops_rb_first(&fiopsd->service_tree[i]);
while (!list_empty(&ioc->fifo)) {
fiops_dispatch_request(fiopsd, ioc);
dispatched++;
}
if (fiops_ioc_on_rr(ioc))
fiops_del_ioc_rr(fiopsd, ioc);
}
}
return dispatched;
}
