[PATCH 23/37] staging/lustre: use 64-bit time for ni_last_alive

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The ni_last_alive member of lnet_ni uses a 'long' to store a timestamp,
which breaks on 32-bit systems in 2038.

This changes it to use time64_t and the respective functions for it.

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
 drivers/staging/lustre/include/linux/lnet/lib-types.h | 2 +-
 drivers/staging/lustre/lnet/lnet/config.c             | 2 +-
 drivers/staging/lustre/lnet/lnet/lib-move.c           | 4 ++--
 drivers/staging/lustre/lnet/lnet/router.c             | 4 ++--
 drivers/staging/lustre/lnet/lnet/router_proc.c        | 2 +-
 5 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/staging/lustre/include/linux/lnet/lib-types.h b/drivers/staging/lustre/include/linux/lnet/lib-types.h
index 81a63dbdea25..d792c4adb0ca 100644
--- a/drivers/staging/lustre/include/linux/lnet/lib-types.h
+++ b/drivers/staging/lustre/include/linux/lnet/lib-types.h
@@ -264,7 +264,7 @@ typedef struct lnet_ni {
 	lnd_t			 *ni_lnd;	/* procedural interface */
 	struct lnet_tx_queue	**ni_tx_queues;	/* percpt TX queues */
 	int			**ni_refs;	/* percpt reference count */
-	long			  ni_last_alive;/* when I was last alive */
+	time64_t		  ni_last_alive;/* when I was last alive */
 	lnet_ni_status_t	 *ni_status;	/* my health status */
 	/* equivalent interfaces to use */
 	char			 *ni_interfaces[LNET_MAX_INTERFACES];
diff --git a/drivers/staging/lustre/lnet/lnet/config.c b/drivers/staging/lustre/lnet/lnet/config.c
index 9c576ce2f455..b09a438c49d6 100644
--- a/drivers/staging/lustre/lnet/lnet/config.c
+++ b/drivers/staging/lustre/lnet/lnet/config.c
@@ -166,7 +166,7 @@ lnet_ni_alloc(__u32 net, struct cfs_expr_list *el, struct list_head *nilist)
 
 	/* LND will fill in the address part of the NID */
 	ni->ni_nid = LNET_MKNID(net, 0);
-	ni->ni_last_alive = get_seconds();
+	ni->ni_last_alive = ktime_get_real_seconds();
 	list_add_tail(&ni->ni_list, nilist);
 	return ni;
  failed:
diff --git a/drivers/staging/lustre/lnet/lnet/lib-move.c b/drivers/staging/lustre/lnet/lnet/lib-move.c
index 433faae9a2ff..6badfec4c6a0 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-move.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-move.c
@@ -1768,11 +1768,11 @@ lnet_parse(lnet_ni_t *ni, lnet_hdr_t *hdr, lnet_nid_t from_nid,
 	}
 
 	if (the_lnet.ln_routing &&
-	    ni->ni_last_alive != get_seconds()) {
+	    ni->ni_last_alive != ktime_get_real_seconds()) {
 		lnet_ni_lock(ni);
 
 		/* NB: so far here is the only place to set NI status to "up */
-		ni->ni_last_alive = get_seconds();
+		ni->ni_last_alive = ktime_get_real_seconds();
 		if (ni->ni_status != NULL &&
 		    ni->ni_status->ns_status == LNET_NI_STATUS_DOWN)
 			ni->ni_status->ns_status = LNET_NI_STATUS_UP;
diff --git a/drivers/staging/lustre/lnet/lnet/router.c b/drivers/staging/lustre/lnet/lnet/router.c
index 2cdda3f0067e..0357b051401f 100644
--- a/drivers/staging/lustre/lnet/lnet/router.c
+++ b/drivers/staging/lustre/lnet/lnet/router.c
@@ -789,7 +789,7 @@ static void
 lnet_update_ni_status_locked(void)
 {
 	lnet_ni_t *ni;
-	long now;
+	time64_t now;
 	int timeout;
 
 	LASSERT(the_lnet.ln_routing);
@@ -797,7 +797,7 @@ lnet_update_ni_status_locked(void)
 	timeout = router_ping_timeout +
 		  max(live_router_check_interval, dead_router_check_interval);
 
-	now = get_seconds();
+	now = ktime_get_real_seconds();
 	list_for_each_entry(ni, &the_lnet.ln_nis, ni_list) {
 		if (ni->ni_lnd->lnd_type == LOLND)
 			continue;
diff --git a/drivers/staging/lustre/lnet/lnet/router_proc.c b/drivers/staging/lustre/lnet/lnet/router_proc.c
index a9f4cbf2fcfe..396c7c4e5c83 100644
--- a/drivers/staging/lustre/lnet/lnet/router_proc.c
+++ b/drivers/staging/lustre/lnet/lnet/router_proc.c
@@ -692,7 +692,7 @@ static int proc_lnet_nis(struct ctl_table *table, int write,
 		if (ni != NULL) {
 			struct lnet_tx_queue *tq;
 			char *stat;
-			long now = get_seconds();
+			time64_t now = ktime_get_real_seconds();
 			int last_alive = -1;
 			int i;
 			int j;
-- 
2.1.0.rc2

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