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ipvs: Put backup thread on mcast socket wait queue

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Instead of doing an endless loop with sleeping for one second, we now put the
backup thread onto the mcast socket wait queue and it gets woken up as soon as
we have data to process.

Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Acked-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
Sven Wegener
2008-07-16 11:13:56 +00:00
parent 998e7a7680
commit ba6fd85021
1 changed files with 5 additions and 2 deletions
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7
net/ipv4/ipvs/ip_vs_sync.c
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@@ -29,6 +29,7 @@
#include <linux/udp.h>
#include <linux/err.h>
#include <linux/kthread.h>
#include <linux/wait.h>
#include <net/ip.h>
#include <net/sock.h>
@@ -772,6 +773,10 @@ static int sync_thread_backup(void *data)
ip_vs_backup_mcast_ifn, ip_vs_backup_syncid);
while (!kthread_should_stop()) {
wait_event_interruptible(*tinfo->sock->sk->sk_sleep,
!skb_queue_empty(&tinfo->sock->sk->sk_receive_queue)
|| kthread_should_stop());
/* do we have data now? */
while (!skb_queue_empty(&(tinfo->sock->sk->sk_receive_queue))) {
len = ip_vs_receive(tinfo->sock, tinfo->buf,
@@ -787,8 +792,6 @@ static int sync_thread_backup(void *data)
ip_vs_process_message(tinfo->buf, len);
local_bh_enable();
}
msleep_interruptible(1000);
}
/* release the sending multicast socket */