diff options
| author | Patrick McHardy <kaber@trash.net> | 2006-11-30 02:36:20 +0100 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-12-03 06:31:43 +0100 |
| commit | 5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6 (patch) | |
| tree | 6f2205ceae40a7fd5b498e94c60b65140740a027 /net/sched/sch_prio.c | |
| parent | [NET_SCHED]: Fix endless loops caused by inaccurate qlen counters (part 1) (diff) | |
| download | linux-5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6.tar.xz linux-5e50da01d0ce7ef0ba3ed6cfabd62f327da0aca6.zip | |
[NET_SCHED]: Fix endless loops (part 2): "simple" qdiscs
Convert the "simple" qdiscs to use qdisc_tree_decrease_qlen() where
necessary:
- all graft operations
- destruction of old child qdiscs in prio, red and tbf change operation
- purging of queue in sfq change operation
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_prio.c')
| -rw-r--r-- | net/sched/sch_prio.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c index 3fc0c0fa5bcc..2567b4c96c1e 100644 --- a/net/sched/sch_prio.c +++ b/net/sched/sch_prio.c @@ -222,8 +222,10 @@ static int prio_tune(struct Qdisc *sch, struct rtattr *opt) for (i=q->bands; i<TCQ_PRIO_BANDS; i++) { struct Qdisc *child = xchg(&q->queues[i], &noop_qdisc); - if (child != &noop_qdisc) + if (child != &noop_qdisc) { + qdisc_tree_decrease_qlen(child, child->q.qlen); qdisc_destroy(child); + } } sch_tree_unlock(sch); @@ -236,8 +238,11 @@ static int prio_tune(struct Qdisc *sch, struct rtattr *opt) sch_tree_lock(sch); child = xchg(&q->queues[i], child); - if (child != &noop_qdisc) + if (child != &noop_qdisc) { + qdisc_tree_decrease_qlen(child, + child->q.qlen); qdisc_destroy(child); + } sch_tree_unlock(sch); } } @@ -295,7 +300,7 @@ static int prio_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new, sch_tree_lock(sch); *old = q->queues[band]; q->queues[band] = new; - sch->q.qlen -= (*old)->q.qlen; + qdisc_tree_decrease_qlen(*old, (*old)->q.qlen); qdisc_reset(*old); sch_tree_unlock(sch); |