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[net-next,5/5] net/sched/sch_hfsc.c: anchor virtual curve at proper vt in hfsc_change_fsc()

Message ID 1467246408-913-6-git-send-email-soltys@ziu.info
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Michal Soltys June 30, 2016, 12:26 a.m. UTC 
cl->cl_vt alone is relative only to the current backlog period, while
the curve operates on cumulative virtual time. This patch adds missing
cl->cl_vtoff.

Signed-off-by: Michal Soltys <soltys@ziu.info>
---
 net/sched/sch_hfsc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index 4eef857..dff92ea 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -940,7 +940,7 @@  static void
 hfsc_change_fsc(struct hfsc_class *cl, struct tc_service_curve *fsc)
 {
 	sc2isc(fsc, &cl->cl_fsc);
-	rtsc_init(&cl->cl_virtual, &cl->cl_fsc, cl->cl_vt, cl->cl_total);
+	rtsc_init(&cl->cl_virtual, &cl->cl_fsc, cl->cl_vtoff + cl->cl_vt, cl->cl_total);
 	cl->cl_flags |= HFSC_FSC;
 }