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authorJens Axboe <jens.axboe@oracle.com>2007-04-23 08:26:36 +0200
committerJens Axboe <axboe@nelson.home.kernel.dk>2007-04-30 09:01:22 +0200
commit20e493a8d03b3b2f51b619a453f7bbbebedd6bda (patch)
tree766d1cccd84acac99a806f181a6f68682f5f0aec /block
parent6084cdda0ea4561feb68e00a8c50068bba98006d (diff)
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cfq-iosched: get rid of ->dispatch_slice
We can track it fairly accurately locally, let the slice handling take care of the rest. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block')
-rw-r--r--block/cfq-iosched.c6
1 files changed, 1 insertions, 5 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index f089eeecdf3..839086dcb0a 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -106,7 +106,6 @@ struct cfq_data {
struct cfq_queue *active_queue;
struct cfq_io_context *active_cic;
- unsigned int dispatch_slice;
struct timer_list idle_class_timer;
@@ -775,8 +774,6 @@ __cfq_slice_expired(struct cfq_data *cfqd, struct cfq_queue *cfqq,
put_io_context(cfqd->active_cic->ioc);
cfqd->active_cic = NULL;
}
-
- cfqd->dispatch_slice = 0;
}
static inline void cfq_slice_expired(struct cfq_data *cfqd, int timed_out)
@@ -1026,7 +1023,6 @@ __cfq_dispatch_requests(struct cfq_data *cfqd, struct cfq_queue *cfqq,
*/
cfq_dispatch_insert(cfqd->queue, rq);
- cfqd->dispatch_slice++;
dispatched++;
if (!cfqd->active_cic) {
@@ -1044,7 +1040,7 @@ __cfq_dispatch_requests(struct cfq_data *cfqd, struct cfq_queue *cfqq,
* queue always expire after 1 dispatch round.
*/
if (cfqd->busy_queues > 1 && ((!cfq_cfqq_sync(cfqq) &&
- cfqd->dispatch_slice >= cfq_prio_to_maxrq(cfqd, cfqq)) ||
+ dispatched >= cfq_prio_to_maxrq(cfqd, cfqq)) ||
cfq_class_idle(cfqq))) {
cfqq->slice_end = jiffies + 1;
cfq_slice_expired(cfqd, 0);