dm thin: use time_is_before_jiffies instead of open coding it

Use time_is_before_jiffies() to improve code readability.

Signed-off-by: Wang Qing <wangqing@vivo.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index f4234d615aa1b9a4b0c0d55a83fb662bbd14d2fb..2c13731a3b449d36b76682e990b3c8bff2f9e79b 100644 (file)
--- 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;
        }