[NET]: fix-up schedule_timeout() usage

Use schedule_timeout_{,un}interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.  Also use
human-time conversion functions instead of hard-coded division to avoid
rounding issues.

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

1 files changed, 5 insertions, 8 deletions

diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index b3ad49fa7d78..ef430b1e8e42 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -1452,8 +1452,7 @@ static int proc_thread_write(struct file *file, const char __user *user_buffer,
                 thread_lock();
                 t->control |= T_REMDEV;
                 thread_unlock();
-                current->state = TASK_INTERRUPTIBLE;
-                schedule_timeout(HZ/8);  /* Propagate thread->control  */
+                schedule_timeout_interruptible(msecs_to_jiffies(125));  /* Propagate thread->control  */
                 ret = count;
                 sprintf(pg_result, "OK: rem_device_all");
                 goto out;
@@ -1716,10 +1715,9 @@ static void spin(struct pktgen_dev *pkt_dev, __u64 spin_until_us)
         printk(KERN_INFO "sleeping for %d\n", (int)(spin_until_us - now));
         while (now < spin_until_us) {
                 /* TODO: optimise sleeping behavior */
-                if (spin_until_us - now > (1000000/HZ)+1) {
-                        current->state = TASK_INTERRUPTIBLE;
-                        schedule_timeout(1);
-                } else if (spin_until_us - now > 100) {
+                if (spin_until_us - now > jiffies_to_usecs(1)+1)
+                        schedule_timeout_interruptible(1);
+                else if (spin_until_us - now > 100) {
                         do_softirq();
                         if (!pkt_dev->running)
                                 return;
@@ -2449,8 +2447,7 @@ static void pktgen_run_all_threads(void)
         }
         thread_unlock();
 
-        current->state = TASK_INTERRUPTIBLE;
-        schedule_timeout(HZ/8);  /* Propagate thread->control  */
+        schedule_timeout_interruptible(msecs_to_jiffies(125));  /* Propagate thread->control  */
                         
         pktgen_wait_all_threads_run();
 }