linux-kernel - [PATCH 1/4] drbd: remove a bogus bdi_rw

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Date:   Wed,  1 Jul 2020 11:06:19 +0200
From:   Christoph Hellwig <hch@....de>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Tejun Heo <tj@...nel.org>, dm-devel@...hat.com,
        cgroups@...r.kernel.org, linux-block@...r.kernel.org,
        drbd-dev@...ts.linbit.com, linux-bcache@...r.kernel.org,
        linux-raid@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/4] drbd: remove a bogus bdi_rw_congested call

bdi_rw_congested returns congestion state, so calling it without
looking at the return value doesn't make much sense.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/block/drbd/drbd_proc.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c
index 1c41cd9982a257..3c0193de249830 100644
--- a/drivers/block/drbd/drbd_proc.c
+++ b/drivers/block/drbd/drbd_proc.c
@@ -265,7 +265,6 @@ int drbd_seq_show(struct seq_file *seq, void *v)
 			seq_printf(seq, "%2d: cs:Unconfigured\n", i);
 		} else {
 			/* reset device->congestion_reason */
-			bdi_rw_congested(device->rq_queue->backing_dev_info);
 
 			nc = rcu_dereference(first_peer_device(device)->connection->net_conf);
 			wp = nc ? nc->wire_protocol - DRBD_PROT_A + 'A' : ' ';
-- 
2.26.2