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-rw-r--r--block/blk-core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 3eea8d795565..04477697ee4b 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -1241,7 +1241,7 @@ static void update_io_ticks(struct block_device *part, unsigned long now,
unsigned long stamp;
again:
stamp = READ_ONCE(part->bd_stamp);
- if (unlikely(stamp != now)) {
+ if (unlikely(time_after(now, stamp))) {
if (likely(cmpxchg(&part->bd_stamp, stamp, now) == stamp))
__part_stat_add(part, io_ticks, end ? now - stamp : 1);
}