blk-throttle: Use more suitable time_after check for update of slice_start

There is no need to update tg->slice_start[rw] to start when they are
equal already. So remove "eq" part of check before update slice_start.

Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Kemeng Shi <shikemeng@huawei.com>
Link: https://lore.kernel.org/r/20221205115709.251489-10-shikemeng@huaweicloud.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 413e668..6fb5a2f 100644 (file)
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -645,7 +645,7 @@ static inline void throtl_start_new_slice_with_credit(struct throtl_grp *tg,
         * that bandwidth. Do try to make use of that bandwidth while giving
         * credit.
         */
-       if (time_after_eq(start, tg->slice_start[rw]))
+       if (time_after(start, tg->slice_start[rw]))
                tg->slice_start[rw] = start;
 
        tg->slice_end[rw] = jiffies + tg->td->throtl_slice;