From 3341d9170228d521fb38afae14b449308f3e4018 Mon Sep 17 00:00:00 2001 From: Nikolay Aleksandrov Date: Wed, 26 Sep 2018 17:01:06 +0300 Subject: [PATCH] net: bridge: convert mtu_set_by_user to a bit 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 Reviewed-by: Stephen Hemminger Signed-off-by: David S. Miller --- 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; };