staging/lustre: use 64-bit times for ksnd_connd

The connection starting/failing time stamps will overflow in 2038
on 32-bit machines, so we need to use time64_t and ktime_get_real_seconds()
instead.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lnet/klnds/socklnd/socklnd.c

@@ -2426,7 +2426,7 @@ ksocknal_base_startup(void)
 
 	ksocknal_data.ksnd_connd_starting       = 0;
 	ksocknal_data.ksnd_connd_failed_stamp   = 0;
-	ksocknal_data.ksnd_connd_starting_stamp = get_seconds();
+	ksocknal_data.ksnd_connd_starting_stamp = ktime_get_real_seconds();
 	/* must have at least 2 connds to remain responsive to accepts while
 	 * connecting */
 	if (*ksocknal_tunables.ksnd_nconnds < SOCKNAL_CONND_RESV + 1)

drivers/staging/lustre/lnet/klnds/socklnd/socklnd.h

@@ -216,13 +216,13 @@ typedef struct {
 	wait_queue_head_t       ksnd_connd_waitq;       /* connds sleep here */
 	int                     ksnd_connd_connecting;  /* # connds connecting
 							 */
-	long                    ksnd_connd_failed_stamp;/* time stamp of the
+	time64_t                ksnd_connd_failed_stamp;/* time stamp of the
 							 * last failed
 							 * connecting attempt */
-	unsigned                ksnd_connd_starting;    /* # starting connd */
-	long                    ksnd_connd_starting_stamp;/* time stamp of the
+	time64_t                ksnd_connd_starting_stamp;/* time stamp of the
 							   * last starting connd
 							   */
+	unsigned                ksnd_connd_starting;    /* # starting connd */
 	unsigned                ksnd_connd_running;     /* # running connd */
 	spinlock_t              ksnd_connd_lock;        /* serialise */
 

drivers/staging/lustre/lnet/klnds/socklnd/socklnd_cb.c

@@ -1998,7 +1998,7 @@ ksocknal_connect (ksock_route_t *route)
  * running out of resource.
  */
 static int
-ksocknal_connd_check_start(long sec, long *timeout)
+ksocknal_connd_check_start(time64_t sec, long *timeout)
 {
 	char name[16];
 	int rc;
@@ -2048,7 +2048,7 @@ ksocknal_connd_check_start(long sec, long *timeout)
 	/* we tried ... */
 	LASSERT(ksocknal_data.ksnd_connd_starting > 0);
 	ksocknal_data.ksnd_connd_starting--;
-	ksocknal_data.ksnd_connd_failed_stamp = get_seconds();
+	ksocknal_data.ksnd_connd_failed_stamp = ktime_get_real_seconds();
 
 	return 1;
 }
@@ -2060,7 +2060,7 @@ ksocknal_connd_check_start(long sec, long *timeout)
  * again to recheck these conditions.
  */
 static int
-ksocknal_connd_check_stop(long sec, long *timeout)
+ksocknal_connd_check_stop(time64_t sec, long *timeout)
 {
 	int val;
 
@@ -2141,7 +2141,7 @@ ksocknal_connd (void *arg)
 
 	while (!ksocknal_data.ksnd_shuttingdown) {
 		ksock_route_t *route = NULL;
-		long sec = get_seconds();
+		time64_t sec = ktime_get_real_seconds();
 		long timeout = MAX_SCHEDULE_TIMEOUT;
 		int dropped_lock = 0;