Vivek Goyal wrote:
...
> +
> +static void elv_preempt_queue(struct request_queue *q, struct io_queue *ioq)
> +{
> + elv_log_ioq(q->elevator->efqd, ioq, "preempt");
> + elv_slice_expired(q);
> +
> + /*
> + * Put the new queue at the front of the of the current list,
> + * so we know that it will be selected next.
> + */
> +
> + requeue_ioq(ioq);
> + ioq->slice_start = ioq->slice_end = 0;
I think this assignment is redundant because these two members will be reset
when this ioq is scheduled.
Signed-off-by: Gui Jianfeng <[email protected]>
---
block/elevator-fq.c | 1 -
1 files changed, 0 insertions(+), 1 deletions(-)
diff --git a/block/elevator-fq.c b/block/elevator-fq.c
index d04e925..b3c387d 100644
--- a/block/elevator-fq.c
+++ b/block/elevator-fq.c
@@ -2650,7 +2650,6 @@ static void elv_preempt_queue(struct request_queue *q,
struct io_queue *ioq)
*/
requeue_ioq(ioq);
- ioq->slice_start = ioq->slice_end = 0;
elv_mark_ioq_slice_new(ioq);
}
}
--
1.5.4.rc3
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