From: Kemeng Shi Date: Mon, 5 Dec 2022 11:57:09 +0000 (+0800) Subject: blk-throttle: Use more suitable time_after check for update of slice_start X-Git-Tag: for-6.2/block-2022-12-08~7 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=eea3e8b74aa1648fc96b739458d067a6e498c302;p=linux-block.git 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 Signed-off-by: Kemeng Shi Link: https://lore.kernel.org/r/20221205115709.251489-10-shikemeng@huaweicloud.com Signed-off-by: Jens Axboe --- diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 413e668249cf..6fb5a2f9e1ee 100644 --- 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;