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authorEric Dumazet <eric.dumazet@gmail.com>2011-01-21 16:26:09 -0800
committerDavid S. Miller <davem@davemloft.net>2011-01-21 16:26:09 -0800
commit23624935e0c4b04730ed8d7d21f0cd25b2c2cda1 (patch)
tree3fedc885d6bcd72c94fc239ae2ef98937f77c722 /net/sched/sch_mqprio.c
parentbb134d2298b49f50cf6d9388410fba96272905dc (diff)
net_sched: TCQ_F_CAN_BYPASS generalization
Now qdisc stab is handled before TCQ_F_CAN_BYPASS test in __dev_xmit_skb(), we can generalize TCQ_F_CAN_BYPASS to other qdiscs than pfifo_fast : pfifo, bfifo, pfifo_head_drop and sfq SFQ is special because it can have external classifiers, and in these cases, we cannot bypass queue discipline (packet could be dropped by classifier) without admin asking it, or further changes. Its worth doing this, especially for SFQ, avoiding dirtying memory in case no packets are already waiting in queue. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_mqprio.c')
-rw-r--r--net/sched/sch_mqprio.c1
1 files changed, 0 insertions, 1 deletions
diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c
index 8620c65f480..fbc6f53cb1b 100644
--- a/net/sched/sch_mqprio.c
+++ b/net/sched/sch_mqprio.c
@@ -130,7 +130,6 @@ static int mqprio_init(struct Qdisc *sch, struct nlattr *opt)
err = -ENOMEM;
goto err;
}
- qdisc->flags |= TCQ_F_CAN_BYPASS;
priv->qdiscs[i] = qdisc;
}