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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: Song Liu <song@kernel.org>, Hans de Goede <hdegoede@redhat.com>,
	Richard Weinberger <richard@nod.at>,
	Minchan Kim <minchan@kernel.org>,
	Johannes Thumshirn <Johannes.Thumshirn@wdc.com>,
	linux-mtd@lists.infradead.org, dm-devel@redhat.com,
	linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
	drbd-dev@lists.linbit.com, linux-raid@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
	cgroups@vger.kernel.org,
	Johannes Thumshirn <johannes.thumshirn@wdc.com>
Subject: [PATCH 03/12] drbd: remove RB_CONGESTED_REMOTE
Date: Tue, 15 Sep 2020 17:18:20 +0200	[thread overview]
Message-ID: <20200915151829.1767176-4-hch@lst.de> (raw)
In-Reply-To: <20200915151829.1767176-1-hch@lst.de>

This case isn't ever used.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
---
 drivers/block/drbd/drbd_req.c | 4 ----
 include/linux/drbd.h          | 1 -
 2 files changed, 5 deletions(-)

diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 5c975af9c15fb8..481bc34fcf386a 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -901,13 +901,9 @@ static bool drbd_may_do_local_read(struct drbd_device *device, sector_t sector,
 static bool remote_due_to_read_balancing(struct drbd_device *device, sector_t sector,
 		enum drbd_read_balancing rbm)
 {
-	struct backing_dev_info *bdi;
 	int stripe_shift;
 
 	switch (rbm) {
-	case RB_CONGESTED_REMOTE:
-		bdi = device->ldev->backing_bdev->bd_disk->queue->backing_dev_info;
-		return bdi_read_congested(bdi);
 	case RB_LEAST_PENDING:
 		return atomic_read(&device->local_cnt) >
 			atomic_read(&device->ap_pending_cnt) + atomic_read(&device->rs_pending_cnt);
diff --git a/include/linux/drbd.h b/include/linux/drbd.h
index 5755537b51b114..6a8286132751df 100644
--- a/include/linux/drbd.h
+++ b/include/linux/drbd.h
@@ -94,7 +94,6 @@ enum drbd_read_balancing {
 	RB_PREFER_REMOTE,
 	RB_ROUND_ROBIN,
 	RB_LEAST_PENDING,
-	RB_CONGESTED_REMOTE,
 	RB_32K_STRIPING,
 	RB_64K_STRIPING,
 	RB_128K_STRIPING,
-- 
2.28.0


  parent reply	other threads:[~2020-09-15 22:54 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-15 15:18 bdi cleanups v5 Christoph Hellwig
2020-09-15 15:18 ` [PATCH 01/12] fs: remove the unused SB_I_MULTIROOT flag Christoph Hellwig
2020-09-15 15:18 ` [PATCH 02/12] drbd: remove dead code in device_to_statistics Christoph Hellwig
2020-09-15 15:18 ` Christoph Hellwig [this message]
2020-09-15 15:18 ` [PATCH 04/12] bdi: initialize ->ra_pages and ->io_pages in bdi_init Christoph Hellwig
2020-09-15 15:18 ` [PATCH 05/12] md: update the optimal I/O size on reshape Christoph Hellwig
2020-09-15 15:18 ` [PATCH 06/12] block: lift setting the readahead size into the block layer Christoph Hellwig
2020-09-15 15:18 ` [PATCH 07/12] bdi: remove BDI_CAP_CGROUP_WRITEBACK Christoph Hellwig
2020-09-15 15:18 ` [PATCH 08/12] bdi: remove BDI_CAP_SYNCHRONOUS_IO Christoph Hellwig
2020-09-15 15:18 ` [PATCH 09/12] mm: use SWP_SYNCHRONOUS_IO more intelligently Christoph Hellwig
2020-09-15 15:18 ` [PATCH 10/12] bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag Christoph Hellwig
2020-09-15 15:18 ` [PATCH 11/12] bdi: invert BDI_CAP_NO_ACCT_WB Christoph Hellwig
2020-09-15 15:18 ` [PATCH 12/12] bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2020-09-10 14:48 bdi cleanups v4 Christoph Hellwig
2020-09-10 14:48 ` [PATCH 03/12] drbd: remove RB_CONGESTED_REMOTE Christoph Hellwig
2020-09-17  9:55   ` Jan Kara
2020-09-19  6:58     ` Christoph Hellwig

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