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[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>
This commit is contained in:
Nishanth Aravamudan 2005-09-12 14:15:34 -07:00 committed by David S. Miller
parent 7672d0b544
commit 121caf577d
4 changed files with 11 additions and 20 deletions
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13
net/core/pktgen.c
View File

@ -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();
}

6
net/ipv4/ipconfig.c
View File

@ -1103,10 +1103,8 @@ static int __init ic_dynamic(void)
#endif
jiff = jiffies + (d->next ? CONF_INTER_TIMEOUT : timeout);
while (time_before(jiffies, jiff) && !ic_got_reply) {
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(1);
}
while (time_before(jiffies, jiff) && !ic_got_reply)
schedule_timeout_uninterruptible(1);
#ifdef IPCONFIG_DHCP
/* DHCP isn't done until we get a DHCPACK. */
if ((ic_got_reply & IC_BOOTP)

9
net/irda/ircomm/ircomm_tty.c
View File

@ -567,10 +567,8 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp)
self->tty = NULL;
if (self->blocked_open) {
if (self->close_delay) {
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(self->close_delay);
}
if (self->close_delay)
schedule_timeout_interruptible(self->close_delay);
wake_up_interruptible(&self->open_wait);
}
@ -863,8 +861,7 @@ static void ircomm_tty_wait_until_sent(struct tty_struct *tty, int timeout)
spin_lock_irqsave(&self->spinlock, flags);
while (self->tx_skb && self->tx_skb->len) {
spin_unlock_irqrestore(&self->spinlock, flags);
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(poll_time);
schedule_timeout_interruptible(poll_time);
spin_lock_irqsave(&self->spinlock, flags);
if (signal_pending(current))
break;

3
net/sunrpc/svcsock.c
View File

@ -1170,8 +1170,7 @@ svc_recv(struct svc_serv *serv, struct svc_rqst *rqstp, long timeout)
while (rqstp->rq_arghi < pages) {
struct page *p = alloc_page(GFP_KERNEL);
if (!p) {
set_current_state(TASK_UNINTERRUPTIBLE);
schedule_timeout(HZ/2);
schedule_timeout_uninterruptible(msecs_to_jiffies(500));
continue;
}
rqstp->rq_argpages[rqstp->rq_arghi++] = p;