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pkt_sched: sch_hfsc: sch_htb: Add non-work-conserving warning handler.

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Patrick McHardy <kaber@trash.net> suggested:
> How about making this flag and the warning message (in a out-of-line
> function) globally available? Other qdiscs (f.i. HFSC) can't deal with
> inner non-work-conserving qdiscs as well.

This patch uses qdisc->flags field of "suspected" child qdisc.

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jarek Poplawski
2009-02-01 01:12:42 -08:00
committed by David S. Miller
parent eefef1cf76
commit b00355db3f
5 changed files with 19 additions and 15 deletions
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11
net/sched/sch_api.c
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@@ -444,6 +444,17 @@ out:
}
EXPORT_SYMBOL(qdisc_calculate_pkt_len);
void qdisc_warn_nonwc(char *txt, struct Qdisc *qdisc)
{
if (!(qdisc->flags & TCQ_F_WARN_NONWC)) {
printk(KERN_WARNING
"%s: %s qdisc %X: is non-work-conserving?\n",
txt, qdisc->ops->id, qdisc->handle >> 16);
qdisc->flags |= TCQ_F_WARN_NONWC;
}
}
EXPORT_SYMBOL(qdisc_warn_nonwc);
static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer)
{
struct qdisc_watchdog *wd = container_of(timer, struct qdisc_watchdog,