netdev - [patch net-next 10/34] net: sched: use tcf_block_q helper to get q pointer for sch_tree

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Date:   Thu, 12 Oct 2017 19:17:59 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, jhs@...atatu.com, xiyou.wangcong@...il.com,
        mlxsw@...lanox.com, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, f.fainelli@...il.com,
        michael.chan@...adcom.com, ganeshgr@...lsio.com,
        jeffrey.t.kirsher@...el.com, saeedm@...lanox.com,
        matanb@...lanox.com, leonro@...lanox.com, idosch@...lanox.com,
        jakub.kicinski@...ronome.com, ast@...nel.org, daniel@...earbox.net,
        simon.horman@...ronome.com, pieter.jansenvanvuuren@...ronome.com,
        john.hurley@...ronome.com, edumazet@...gle.com, dsahern@...il.com,
        alexander.h.duyck@...el.com, john.fastabend@...il.com,
        willemb@...gle.com
Subject: [patch net-next 10/34] net: sched: use tcf_block_q helper to get q pointer for sch_tree_lock

From: Jiri Pirko <jiri@...lanox.com>

Use tcf_block_q helper to get q pointer to be used for direct call of
sch_tree_lock/unlock instead of tcf_tree_lock/unlock.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 include/net/sch_generic.h | 3 ---
 net/sched/sch_api.c       | 6 ++++--
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 0b2ba3b..a4926c9 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -361,9 +361,6 @@ static inline void sch_tree_unlock(const struct Qdisc *q)
 	spin_unlock_bh(qdisc_root_sleeping_lock(q));
 }
 
-#define tcf_tree_lock(tp)	sch_tree_lock((tp)->q)
-#define tcf_tree_unlock(tp)	sch_tree_unlock((tp)->q)
-
 extern struct Qdisc noop_qdisc;
 extern struct Qdisc_ops noop_qdisc_ops;
 extern struct Qdisc_ops pfifo_fast_ops;
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index aa82116..a9ac912 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1661,9 +1661,11 @@ static int tcf_node_bind(struct tcf_proto *tp, void *n, struct tcf_walker *arg)
 	struct tcf_bind_args *a = (void *)arg;
 
 	if (tp->ops->bind_class) {
-		tcf_tree_lock(tp);
+		struct Qdisc *q = tcf_block_q(tp->chain->block);
+
+		sch_tree_lock(q);
 		tp->ops->bind_class(n, a->classid, a->cl);
-		tcf_tree_unlock(tp);
+		sch_tree_unlock(q);
 	}
 	return 0;
 }
-- 
2.9.5