netdev - [RFC PATCH net-next 3/4] net/ipv4: use rhashtable length helper

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Message-Id: <20230609151332.263152-4-pctammela@mojatatu.com>
Date: Fri,  9 Jun 2023 12:13:31 -0300
From: Pedro Tammela <pctammela@...atatu.com>
To: netdev@...r.kernel.org
Cc: tgraf@...g.ch,
	herbert@...dor.apana.org.au,
	davem@...emloft.net,
	dsahern@...nel.org,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	Pedro Tammela <pctammela@...atatu.com>
Subject: [RFC PATCH net-next 3/4] net/ipv4: use rhashtable length helper

Avoid open coding the rhashtable length read

Signed-off-by: Pedro Tammela <pctammela@...atatu.com>
---
 net/ipv4/proc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c
index eaf1d3113b62..cab1edc3c416 100644
--- a/net/ipv4/proc.c
+++ b/net/ipv4/proc.c
@@ -42,6 +42,7 @@
 #include <linux/export.h>
 #include <net/sock.h>
 #include <net/raw.h>
+#include <linux/rhashtable.h>
 
 #define TCPUDP_MIB_MAX max_t(u32, UDP_MIB_MAX, TCP_MIB_MAX)
 
@@ -69,7 +70,7 @@ static int sockstat_seq_show(struct seq_file *seq, void *v)
 	seq_printf(seq, "RAW: inuse %d\n",
 		   sock_prot_inuse_get(net, &raw_prot));
 	seq_printf(seq,  "FRAG: inuse %u memory %lu\n",
-		   atomic_read(&net->ipv4.fqdir->rhashtable.nelems),
+		   rhashtable_len(&net->ipv4.fqdir->rhashtable),
 		   frag_mem_limit(net->ipv4.fqdir));
 	return 0;
 }
-- 
2.39.2