From: Jens Axboe <axboe@kernel.dk>
Date: Mon, 27 Aug 2018 19:32:12 +0000 (-0600)
Subject: blk-wbt: remove dead code
X-Git-Tag: v4.19~17^2~29
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b0a84beb2e35536839ea289182684528f379b860;p=platform%2Fkernel%2Flinux-rpi.git

blk-wbt: remove dead code

We already note and mark discard and swap IO from bio_to_wbt_flags().

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---

diff --git a/block/blk-wbt.c b/block/blk-wbt.c
index bfb0d21..8e20a067 100644
--- a/block/blk-wbt.c
+++ b/block/blk-wbt.c
@@ -636,11 +636,6 @@ static void wbt_wait(struct rq_qos *rqos, struct bio *bio, spinlock_t *lock)
 		return;
 	}
 
-	if (current_is_kswapd())
-		flags |= WBT_KSWAPD;
-	if (bio_op(bio) == REQ_OP_DISCARD)
-		flags |= WBT_DISCARD;
-
 	__wbt_wait(rwb, flags, bio->bi_opf, lock);
 
 	if (!blk_stat_is_active(rwb->cb))