[IPVS]: Replace schedule_timeout() with ssleep()

Description: Use ssleep() instead of schedule_timeout() to guarantee the task
delays as expected. The first two replacements use TASK_INTERRUPTIBLE but do not
check for signals, so ssleep() should be appropriate.

Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/ipv4/ipvs/ip_vs_sync.c b/net/ipv4/ipvs/ip_vs_sync.c
index da30bebbddc897b46acd2c5fcaa30f4de1d2dc63..25c479550a32f32c64223fcd3fae8f827fc8f017 100644 (file)
--- a/net/ipv4/ipvs/ip_vs_sync.c
+++ b/net/ipv4/ipvs/ip_vs_sync.c
@@ -23,7 +23,7 @@
 #include <linux/slab.h>
 #include <linux/net.h>
 #include <linux/completion.h>
-
+#include <linux/delay.h>
 #include <linux/skbuff.h>
 #include <linux/in.h>
 #include <linux/igmp.h>                 /* for ip_mc_join_group */
@@ -647,8 +647,7 @@ static void sync_master_loop(void)
                if (stop_master_sync)
                        break;
 
-               __set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(HZ);
+               ssleep(1);
        }
 
        /* clean up the sync_buff queue */
@@ -705,8 +704,7 @@ static void sync_backup_loop(void)
                if (stop_backup_sync)
                        break;
 
-               __set_current_state(TASK_INTERRUPTIBLE);
-               schedule_timeout(HZ);
+               ssleep(1);
        }
 
        /* release the sending multicast socket */
@@ -818,8 +816,7 @@ static int fork_sync_thread(void *startup)
        if ((pid = kernel_thread(sync_thread, startup, 0)) < 0) {
                IP_VS_ERR("could not create sync_thread due to %d... "
                          "retrying.\n", pid);
-               current->state = TASK_UNINTERRUPTIBLE;
-               schedule_timeout(HZ);
+               ssleep(1);
                goto repeat;
        }
 
@@ -853,8 +850,7 @@ int start_sync_thread(int state, char *mcast_ifn, __u8 syncid)
        if ((pid = kernel_thread(fork_sync_thread, &startup, 0)) < 0) {
                IP_VS_ERR("could not create fork_sync_thread due to %d... "
                          "retrying.\n", pid);
-               current->state = TASK_UNINTERRUPTIBLE;
-               schedule_timeout(HZ);
+               ssleep(1);
                goto repeat;
        }