[PATCH v2] net: fix functions and variables related to netns_ipvs->sysctl_sync_qlen_max

[Zhang Yanfei]

Since the type of netns_ipvs->sysctl_sync_qlen_max has been changed to
unsigned long, type of its related proc var sync_qlen_max should be changed
to unsigned long, too. Also the return type of function sysctl_sync_qlen_max().

Besides, the type of ipvs_master_sync_state->sync_queue_len should also be
changed to unsigned long.

Changelog from V1:
- change type of ipvs_master_sync_state->sync_queue_len to unsigned long
  as Simon addressed.

Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: David Miller <davem@xxxxxxxxxxxxx>
Cc: Julian Anastasov <ja@xxxxxx>
Cc: Simon Horman <horms@xxxxxxxxxxxx>
Signed-off-by: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
---
 include/net/ip_vs.h            |    6 +++---
 net/netfilter/ipvs/ip_vs_ctl.c |    4 ++--
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index 68c69d5..1d56f92 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -874,7 +874,7 @@ struct ip_vs_app {
 struct ipvs_master_sync_state {
 	struct list_head	sync_queue;
 	struct ip_vs_sync_buff	*sync_buff;
-	int			sync_queue_len;
+	unsigned long		sync_queue_len;
 	unsigned int		sync_queue_delay;
 	struct task_struct	*master_thread;
 	struct delayed_work	master_wakeup_work;
@@ -1052,7 +1052,7 @@ static inline int sysctl_sync_ports(struct netns_ipvs *ipvs)
 	return ACCESS_ONCE(ipvs->sysctl_sync_ports);
 }
 
-static inline int sysctl_sync_qlen_max(struct netns_ipvs *ipvs)
+static inline unsigned long sysctl_sync_qlen_max(struct netns_ipvs *ipvs)
 {
 	return ipvs->sysctl_sync_qlen_max;
 }
@@ -1099,7 +1099,7 @@ static inline int sysctl_sync_ports(struct netns_ipvs *ipvs)
 	return 1;
 }
 
-static inline int sysctl_sync_qlen_max(struct netns_ipvs *ipvs)
+static inline unsigned long sysctl_sync_qlen_max(struct netns_ipvs *ipvs)
 {
 	return IPVS_SYNC_QLEN_MAX;
 }
diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c
index ec664cb..d79a530 100644
--- a/net/netfilter/ipvs/ip_vs_ctl.c
+++ b/net/netfilter/ipvs/ip_vs_ctl.c
@@ -1747,9 +1747,9 @@ static struct ctl_table vs_vars[] = {
 	},
 	{
 		.procname	= "sync_qlen_max",
-		.maxlen		= sizeof(int),
+		.maxlen		= sizeof(unsigned long),
 		.mode		= 0644,
-		.proc_handler	= proc_dointvec,
+		.proc_handler	= proc_doulongvec_minmax,
 	},
 	{
 		.procname	= "sync_sock_size",
-- 
1.7.1
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