From: Yufen Yu <yuyufen@huawei.com>
Date: Tue, 17 Sep 2019 12:04:27 +0000 (+0800)
Subject: rq-qos: get rid of redundant wbt_update_limits()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2af2783f2ea4f273598557b247e320509247df80;p=linux.git

rq-qos: get rid of redundant wbt_update_limits()

We have updated limits after calling wbt_set_min_lat(). No need to
update again.

Reviewed-by: Bob Liu <bob.liu@oracle.com>
Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 962fc0c44381f..46f5198be0173 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -482,7 +482,6 @@ static ssize_t queue_wb_lat_store(struct request_queue *q, const char *page,
 	blk_mq_quiesce_queue(q);
 
 	wbt_set_min_lat(q, val);
-	wbt_update_limits(q);
 
 	blk_mq_unquiesce_queue(q);
 	blk_mq_unfreeze_queue(q);