linux-kernel - [PATCH] ipvs: replace atomic_add

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Date:   Mon, 16 Nov 2020 16:01:47 +0800
From:   Yejune Deng <yejune.deng@...il.com>
To:     wensong@...ux-vs.org, horms@...ge.net.au, ja@....bg,
        pablo@...filter.org, kadlec@...filter.org, fw@...len.de,
        davem@...emloft.net, kuba@...nel.org
Cc:     netdev@...r.kernel.org, lvs-devel@...r.kernel.org,
        netfilter-devel@...r.kernel.org, linux-kernel@...r.kernel.org,
        yejune.deng@...il.com
Subject: [PATCH] ipvs: replace atomic_add_return()

atomic_inc_return() looks better

Signed-off-by: Yejune Deng <yejune.deng@...il.com>
---
 net/netfilter/ipvs/ip_vs_core.c | 2 +-
 net/netfilter/ipvs/ip_vs_sync.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index c0b8215..54e086c 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -2137,7 +2137,7 @@ static int ip_vs_in_icmp_v6(struct netns_ipvs *ipvs, struct sk_buff *skb,
 	if (cp->flags & IP_VS_CONN_F_ONE_PACKET)
 		pkts = sysctl_sync_threshold(ipvs);
 	else
-		pkts = atomic_add_return(1, &cp->in_pkts);
+		pkts = atomic_inc_return(&cp->in_pkts);
 
 	if (ipvs->sync_state & IP_VS_STATE_MASTER)
 		ip_vs_sync_conn(ipvs, cp, pkts);
diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c
index 16b4806..9d43277 100644
--- a/net/netfilter/ipvs/ip_vs_sync.c
+++ b/net/netfilter/ipvs/ip_vs_sync.c
@@ -615,7 +615,7 @@ static void ip_vs_sync_conn_v0(struct netns_ipvs *ipvs, struct ip_vs_conn *cp,
 	cp = cp->control;
 	if (cp) {
 		if (cp->flags & IP_VS_CONN_F_TEMPLATE)
-			pkts = atomic_add_return(1, &cp->in_pkts);
+			pkts = atomic_inc_return(&cp->in_pkts);
 		else
 			pkts = sysctl_sync_threshold(ipvs);
 		ip_vs_sync_conn(ipvs, cp, pkts);
@@ -776,7 +776,7 @@ void ip_vs_sync_conn(struct netns_ipvs *ipvs, struct ip_vs_conn *cp, int pkts)
 	if (!cp)
 		return;
 	if (cp->flags & IP_VS_CONN_F_TEMPLATE)
-		pkts = atomic_add_return(1, &cp->in_pkts);
+		pkts = atomic_inc_return(&cp->in_pkts);
 	else
 		pkts = sysctl_sync_threshold(ipvs);
 	goto sloop;
-- 
1.9.1