linux-kernel - [PATCH] blk: wbt: remove unused parameter from wbt_should

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Date:   Mon, 25 Jan 2021 19:27:04 +0800
From:   chenlei0x@...il.com
To:     chenlei0x@...il.com, axboe@...nel.dk, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Lei Chen <lennychen@...cent.com>
Subject: [PATCH] blk: wbt: remove unused parameter from wbt_should_throttle

From: Lei Chen <lennychen@...cent.com>

The first parameter rwb is not used for this function.
So just remove it.

Signed-off-by: Lei Chen <lennychen@...cent.com>
---
 block/blk-wbt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index 0321ca8..42aed01 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -518,7 +518,7 @@ static void __wbt_wait(struct rq_wb *rwb, enum wbt_flags wb_acct,
 	rq_qos_wait(rqw, &data, wbt_inflight_cb, wbt_cleanup_cb);
 }
 
-static inline bool wbt_should_throttle(struct rq_wb *rwb, struct bio *bio)
+static inline bool wbt_should_throttle(struct bio *bio)
 {
 	switch (bio_op(bio)) {
 	case REQ_OP_WRITE:
@@ -545,7 +545,7 @@ static enum wbt_flags bio_to_wbt_flags(struct rq_wb *rwb, struct bio *bio)
 
 	if (bio_op(bio) == REQ_OP_READ) {
 		flags = WBT_READ;
-	} else if (wbt_should_throttle(rwb, bio)) {
+	} else if (wbt_should_throttle(bio)) {
 		if (current_is_kswapd())
 			flags |= WBT_KSWAPD;
 		if (bio_op(bio) == REQ_OP_DISCARD)
-- 
1.8.3.1