CURRENT_TIME is not y2038 safe.

Use y2038 safe ktime_get_real_seconds() here for timestamps.

struct heartbeat_block's hb_seq is already 64 bits wide and
accommodates times beyond y2038.

Signed-off-by: Deepa Dinamani <deepa.ker...@gmail.com>
Cc: Mark Fasheh <mfas...@suse.com>
Cc: Joel Becker <jl...@evilplan.org>
Cc: ocfs2-de...@oss.oracle.com
---
 fs/ocfs2/cluster/heartbeat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c
index 6aaf3e3..d13c646 100644
--- a/fs/ocfs2/cluster/heartbeat.c
+++ b/fs/ocfs2/cluster/heartbeat.c
@@ -737,7 +737,7 @@ static inline void o2hb_prepare_block(struct o2hb_region 
*reg,
        hb_block = (struct o2hb_disk_heartbeat_block *)slot->ds_raw_block;
        memset(hb_block, 0, reg->hr_block_bytes);
        /* TODO: time stuff */
-       cputime = CURRENT_TIME.tv_sec;
+       cputime = ktime_get_real_seconds();
        if (!cputime)
                cputime = 1;
 
-- 
1.9.1

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