[PATCH 01/21] blkio: Set must_dispatch only if we decided to not dispatch the request
From: Vivek Goyal
Date: Sun Nov 29 2009 - 22:01:25 EST
o must_dispatch flag should be set only if we decided not to run the quue
dispatch the request.
Signed-off-by: Vivek Goyal <vgoyal@xxxxxxxxxx>
---
block/cfq-iosched.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index a5de31f..9adfa48 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -2494,9 +2494,9 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq,
if (blk_rq_bytes(rq) > PAGE_CACHE_SIZE ||
cfqd->busy_queues > 1) {
del_timer(&cfqd->idle_slice_timer);
- __blk_run_queue(cfqd->queue);
- }
- cfq_mark_cfqq_must_dispatch(cfqq);
+ __blk_run_queue(cfqd->queue);
+ } else
+ cfq_mark_cfqq_must_dispatch(cfqq);
}
} else if (cfq_should_preempt(cfqd, cfqq, rq)) {
/*
--
1.6.2.5
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/