[PATCH] ipvs: fix timer in get_curr_sync_buff

[Julian Anastasov <ja@xxxxxx>]

From: Tinggong Wang <wangtinggong@xxxxxxxxx>

        Fix get_curr_sync_buff to keep buffer for 2 seconds
as intended, not just for the current jiffie. By this way
we will sync more connection structures with single packet.

Signed-off-by: Tinggong Wang <wangtinggong@xxxxxxxxx>
Signed-off-by: Julian Anastasov <ja@xxxxxx>
---

        Patch is against lvs-test-2.6 from 09-FEB-2011
but should apply cleanly to net-next.

--- lvs-test-2.6-7c9989a/net/netfilter/ipvs/ip_vs_sync.c        2011-02-07 
13:40:00.000000000 +0200
+++ linux/net/netfilter/ipvs/ip_vs_sync.c       2011-02-09 01:59:46.771351460 
+0200
@@ -374,8 +374,8 @@ get_curr_sync_buff(struct netns_ipvs *ip
        struct ip_vs_sync_buff *sb;

        spin_lock_bh(&ipvs->sync_buff_lock);
-       if (ipvs->sync_buff && (time == 0 ||
-           time_before(jiffies - ipvs->sync_buff->firstuse, time))) {
+       if (ipvs->sync_buff &&
+           time_after_eq(jiffies - ipvs->sync_buff->firstuse, time)) {
                sb = ipvs->sync_buff;
                ipvs->sync_buff = NULL;
        } else
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