[PATCH net-next v2 8/9] net: bridge: convert mtu_set_by_user to a bit
From: Nikolay Aleksandrov <hidden>
Date: 2018-09-26 20:14:37
Also in:
bridge
Subsystem:
ethernet bridge, networking [general], the rest · Maintainers:
Nikolay Aleksandrov, Ido Schimmel, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Convert the last remaining bool option to a bit thus reducing the overall net_bridge size further by 8 bytes. Signed-off-by: Nikolay Aleksandrov <redacted> Reviewed-by: Stephen Hemminger <stephen@networkplumber.org> --- net/bridge/br_device.c | 2 +- net/bridge/br_if.c | 4 ++-- net/bridge/br_private.h | 2 +- 3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index a0afdca73d8f..e053a4e43758 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c@@ -228,7 +228,7 @@ static int br_change_mtu(struct net_device *dev, int new_mtu) dev->mtu = new_mtu; /* this flag will be cleared if the MTU was automatically adjusted */ - br->mtu_set_by_user = true; + br_opt_toggle(br, BROPT_MTU_SET_BY_USER, true); #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER) /* remember the MTU in the rtable for PMTU */ dst_metric_set(&br->fake_rtable.dst, RTAX_MTU, new_mtu);
diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c
index 3bb66508f07d..9b46d2dc4c22 100644
--- a/net/bridge/br_if.c
+++ b/net/bridge/br_if.c@@ -508,14 +508,14 @@ void br_mtu_auto_adjust(struct net_bridge *br) ASSERT_RTNL(); /* if the bridge MTU was manually configured don't mess with it */ - if (br->mtu_set_by_user) + if (br_opt_get(br, BROPT_MTU_SET_BY_USER)) return; /* change to the minimum MTU and clear the flag which was set by * the bridge ndo_change_mtu callback */ dev_set_mtu(br->dev, br_mtu_min(br)); - br->mtu_set_by_user = false; + br_opt_toggle(br, BROPT_MTU_SET_BY_USER, false); } static void br_set_gso_limits(struct net_bridge *br)
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 6bdcc701bc71..92d08f8c7dd4 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h@@ -319,6 +319,7 @@ enum net_bridge_opts { BROPT_MULTICAST_STATS_ENABLED, BROPT_HAS_IPV6_ADDR, BROPT_NEIGH_SUPPRESS_ENABLED, + BROPT_MTU_SET_BY_USER, }; struct net_bridge {
@@ -415,7 +416,6 @@ struct net_bridge { #ifdef CONFIG_NET_SWITCHDEV int offload_fwd_mark; #endif - bool mtu_set_by_user; struct hlist_head fdb_list; };
--
2.11.0