NFSv4: ACL in operations 'open' and 'create' should be used
[safe/jmp/linux-2.6] / block / cfq-iosched.c
index db4d990..833ec18 100644 (file)
@@ -122,7 +122,6 @@ struct cfq_data {
        struct cfq_queue *async_idle_cfqq;
 
        sector_t last_position;
-       unsigned long last_end_request;
 
        /*
         * tunables, see top of file
@@ -579,9 +578,9 @@ cfq_prio_tree_lookup(struct cfq_data *cfqd, struct rb_root *root,
                 * Sort strictly based on sector.  Smallest to the left,
                 * largest to the right.
                 */
-               if (sector > cfqq->next_rq->sector)
+               if (sector > blk_rq_pos(cfqq->next_rq))
                        n = &(*p)->rb_right;
-               else if (sector < cfqq->next_rq->sector)
+               else if (sector < blk_rq_pos(cfqq->next_rq))
                        n = &(*p)->rb_left;
                else
                        break;
@@ -611,8 +610,8 @@ static void cfq_prio_tree_add(struct cfq_data *cfqd, struct cfq_queue *cfqq)
                return;
 
        cfqq->p_root = &cfqd->prio_trees[cfqq->org_ioprio];
-       __cfqq = cfq_prio_tree_lookup(cfqd, cfqq->p_root, cfqq->next_rq->sector,
-                                        &parent, &p);
+       __cfqq = cfq_prio_tree_lookup(cfqd, cfqq->p_root,
+                                     blk_rq_pos(cfqq->next_rq), &parent, &p);
        if (!__cfqq) {
                rb_link_node(&cfqq->p_node, parent, p);
                rb_insert_color(&cfqq->p_node, cfqq->p_root);
@@ -996,7 +995,7 @@ static struct cfq_queue *cfqq_close(struct cfq_data *cfqd,
        if (cfq_rq_close(cfqd, __cfqq->next_rq))
                return __cfqq;
 
-       if (__cfqq->next_rq->sector < sector)
+       if (blk_rq_pos(__cfqq->next_rq) < sector)
                node = rb_next(&__cfqq->p_node);
        else
                node = rb_prev(&__cfqq->p_node);
@@ -1253,7 +1252,7 @@ static int cfq_forced_dispatch(struct cfq_data *cfqd)
 
        BUG_ON(cfqd->busy_queues);
 
-       cfq_log(cfqd, "forced_dispatch=%d\n", dispatched);
+       cfq_log(cfqd, "forced_dispatch=%d", dispatched);
        return dispatched;
 }
 
@@ -1282,7 +1281,7 @@ static void cfq_dispatch_request(struct cfq_data *cfqd, struct cfq_queue *cfqq)
        if (!cfqd->active_cic) {
                struct cfq_io_context *cic = RQ_CIC(rq);
 
-               atomic_inc(&cic->ioc->refcount);
+               atomic_long_inc(&cic->ioc->refcount);
                cfqd->active_cic = cic;
        }
 }
@@ -2164,9 +2163,6 @@ static void cfq_completed_request(struct request_queue *q, struct request *rq)
        if (cfq_cfqq_sync(cfqq))
                cfqd->sync_flight--;
 
-       if (!cfq_class_idle(cfqq))
-               cfqd->last_end_request = now;
-
        if (sync)
                RQ_CIC(rq)->last_end_request = now;
 
@@ -2479,7 +2475,6 @@ static void *cfq_init_queue(struct request_queue *q)
 
        INIT_WORK(&cfqd->unplug_work, cfq_kick_queue);
 
-       cfqd->last_end_request = jiffies;
        cfqd->cfq_quantum = cfq_quantum;
        cfqd->cfq_fifo_expire[0] = cfq_fifo_expire[0];
        cfqd->cfq_fifo_expire[1] = cfq_fifo_expire[1];