Prev: [PATCH 08/18] Add helper functions for time computation
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From: Gui Jianfeng on 12 Jul 2010 22:30
It doesn't make sence to store left time slice for an idle workload
or for the cfqq that uses up its slice.

Signed-off-by: Gui Jianfeng <guijianfeng(a)cn.fujitsu.com>
---
block/cfq-iosched.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index eb4086f..d985e38 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -3418,7 +3418,7 @@ static void cfq_completed_request(struct request_queue *q, struct request *rq)
* - when there is a close cooperator
*/
if (cfq_slice_used(cfqq) || cfq_class_idle(cfqq))
- cfq_slice_expired(cfqd, 1);
+ cfq_slice_expired(cfqd, 0);
else if (sync && cfqq_empty &&
!cfq_close_cooperator(cfqd, cfqq)) {
cfqd->noidle_tree_requires_idle |=
--
1.5.4.rc3

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Prev: [PATCH 08/18] Add helper functions for time computation
Next: [PATCH 13/18] Move scale_delta into common header