[PATCH V3 7/13] md: use time_is_before_jiffies(() instead of open coding it

[Qing Wang]

From: Wang Qing <wangqing@xxxxxxxx>

Use the helper function time_is_{before,after}_jiffies() to improve
code readability.

Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
---
 drivers/md/dm-thin.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index f4234d6..dced764
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -161,7 +161,7 @@ static void throttle_work_start(struct throttle *t)
 
 static void throttle_work_update(struct throttle *t)
 {
-	if (!t->throttle_applied && jiffies > t->threshold) {
+	if (!t->throttle_applied && time_is_before_jiffies(t->threshold)) {
 		down_write(&t->lock);
 		t->throttle_applied = true;
 	}
-- 
2.7.4