[PATCH] (7/11) bridge -- expose timer_residue function for use by sysfs

[Stephen Hemminger <shemminger@xxxxxxxx>]

Move the local function timer_residue to br_timer_value so it can
be used by both ioctl and sysfs code.
 
diff -Nru a/net/bridge/br_ioctl.c b/net/bridge/br_ioctl.c
--- a/net/bridge/br_ioctl.c     2004-05-20 10:22:21 -07:00
+++ b/net/bridge/br_ioctl.c     2004-05-20 10:22:21 -07:00
@@ -20,13 +20,6 @@
 #include <asm/uaccess.h>
 #include "br_private.h"
 
-/* Report time remaining in user HZ  */
-static unsigned long timer_residue(const struct timer_list *timer)
-{
-       return timer_pending(timer) 
-               ? jiffies_to_clock_t(timer->expires - jiffies) : 0;
-}
-
 /* called with RTNL */
 static int get_bridge_ifindices(int *indices, int num)
 {
@@ -139,10 +132,10 @@
                b.root_port = br->root_port;
                b.stp_enabled = br->stp_enabled;
                b.ageing_time = jiffies_to_clock_t(br->ageing_time);
-               b.hello_timer_value = timer_residue(&br->hello_timer);
-               b.tcn_timer_value = timer_residue(&br->tcn_timer);
-               b.topology_change_timer_value = 
timer_residue(&br->topology_change_timer);
-               b.gc_timer_value = timer_residue(&br->gc_timer);
+               b.hello_timer_value = br_timer_value(&br->hello_timer);
+               b.tcn_timer_value = br_timer_value(&br->tcn_timer);
+               b.topology_change_timer_value = 
br_timer_value(&br->topology_change_timer);
+               b.gc_timer_value = br_timer_value(&br->gc_timer);
                rcu_read_unlock();
 
                if (copy_to_user((void *)args[1], &b, sizeof(b)))
@@ -237,9 +230,9 @@
                p.state = pt->state;
                p.top_change_ack = pt->topology_change_ack;
                p.config_pending = pt->config_pending;
-               p.message_age_timer_value = 
timer_residue(&pt->message_age_timer);
-               p.forward_delay_timer_value = 
timer_residue(&pt->forward_delay_timer);
-               p.hold_timer_value = timer_residue(&pt->hold_timer);
+               p.message_age_timer_value = 
br_timer_value(&pt->message_age_timer);
+               p.forward_delay_timer_value = 
br_timer_value(&pt->forward_delay_timer);
+               p.hold_timer_value = br_timer_value(&pt->hold_timer);
 
                rcu_read_unlock();
 
diff -Nru a/net/bridge/br_private.h b/net/bridge/br_private.h
--- a/net/bridge/br_private.h   2004-05-20 10:22:21 -07:00
+++ b/net/bridge/br_private.h   2004-05-20 10:22:21 -07:00
@@ -208,5 +208,6 @@
 /* br_stp_timer.c */
 extern void br_stp_timer_init(struct net_bridge *br);
 extern void br_stp_port_timer_init(struct net_bridge_port *p);
+extern unsigned long br_timer_value(const struct timer_list *timer);
 
 #endif
diff -Nru a/net/bridge/br_stp_timer.c b/net/bridge/br_stp_timer.c
--- a/net/bridge/br_stp_timer.c 2004-05-20 10:22:21 -07:00
+++ b/net/bridge/br_stp_timer.c 2004-05-20 10:22:21 -07:00
@@ -14,6 +14,7 @@
  */
 
 #include <linux/kernel.h>
+#include <linux/times.h>
 #include <linux/smp_lock.h>
 
 #include "br_private.h"
@@ -178,3 +179,10 @@
        br_timer_init(&p->hold_timer, br_hold_timer_expired,
                      (unsigned long) p);
 }      
+
+/* Report ticks left (in USER_HZ) used for API */
+unsigned long br_timer_value(const struct timer_list *timer)
+{
+       return timer_pending(timer)
+               ? jiffies_to_clock_t(timer->expires - jiffies) : 0;
+}