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From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-raid@vger.kernel.org, Hans de Goede <hdegoede@redhat.com>,
	Minchan Kim <minchan@kernel.org>,
	Richard Weinberger <richard@nod.at>,
	linux-kernel@vger.kernel.org, linux-block@vger.kernel.org,
	Song Liu <song@kernel.org>,
	dm-devel@redhat.com, linux-mtd@lists.infradead.org,
	linux-fsdevel@vger.kernel.org, cgroups@vger.kernel.org,
	linux-mm@kvack.org, drbd-dev@lists.linbit.com
Subject: [PATCH 03/14] drbd: remove RB_CONGESTED_REMOTE
Date: Wed, 22 Jul 2020 08:25:41 +0200	[thread overview]
Message-ID: <20200722062552.212200-4-hch@lst.de> (raw)
In-Reply-To: <20200722062552.212200-1-hch@lst.de>

This case isn't ever used.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 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 674be09b2da94a..4d944f2eb56efa 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,
-- 
2.27.0


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  parent reply	other threads:[~2020-07-22  6:27 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-22  6:25 bdi cleanups v2 Christoph Hellwig
2020-07-22  6:25 ` [PATCH 01/14] fs: remove the unused SB_I_MULTIROOT flag Christoph Hellwig
2020-07-22  6:54   ` Johannes Thumshirn
2020-07-22  6:25 ` [PATCH 02/14] drbd: remove dead code in device_to_statistics Christoph Hellwig
2020-07-22  7:03   ` Johannes Thumshirn
2020-07-22  7:07     ` Christoph Hellwig
2020-07-22  7:14       ` Johannes Thumshirn
2020-07-22  6:25 ` Christoph Hellwig [this message]
2020-07-22  7:06   ` [PATCH 03/14] drbd: remove RB_CONGESTED_REMOTE Johannes Thumshirn
2020-07-22  6:25 ` [PATCH 04/14] bdi: initialize ->ra_pages in bdi_init Christoph Hellwig
2020-07-22  9:04   ` David Sterba
2020-07-22 11:15   ` Richard Weinberger
2020-07-22  6:25 ` [PATCH 05/14] md: update the optimal I/O size on reshape Christoph Hellwig
2020-07-22  6:25 ` [PATCH 06/14] block: lift setting the readahead size into the block layer Christoph Hellwig
2020-07-22  7:13   ` Johannes Thumshirn
2020-07-22  7:18     ` Christoph Hellwig
2020-07-22  6:25 ` [PATCH 07/14] block: make QUEUE_SYSFS_BIT_FNS a little more useful Christoph Hellwig
2020-07-22  7:17   ` Johannes Thumshirn
2020-07-22  6:25 ` [PATCH 08/14] block: add helper macros for queue sysfs entries Christoph Hellwig
2020-07-22  7:20   ` Johannes Thumshirn
2020-07-22  6:25 ` [PATCH 09/14] bdi: remove BDI_CAP_CGROUP_WRITEBACK Christoph Hellwig
2020-07-22  7:45   ` Johannes Thumshirn
2020-07-26  9:01     ` Wols Lists
2020-07-22  6:25 ` [PATCH 10/14] bdi: remove BDI_CAP_SYNCHRONOUS_IO Christoph Hellwig
2020-07-22  6:25 ` [PATCH 11/14] mm: use SWP_SYNCHRONOUS_IO more intelligently Christoph Hellwig
2020-07-22 16:26   ` Shakeel Butt
2020-07-22  6:25 ` [PATCH 12/14] bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag Christoph Hellwig
2020-07-22  6:25 ` [PATCH 13/14] bdi: invert BDI_CAP_NO_ACCT_WB Christoph Hellwig
2020-07-22  6:25 ` [PATCH 14/14] bdi: replace BDI_CAP_NO_{WRITEBACK, ACCT_DIRTY} with a single flag Christoph Hellwig
  -- strict thread matches above, loose matches on Subject: below --
2020-07-26 15:03 bdi cleanups v3 Christoph Hellwig
2020-07-26 15:03 ` [PATCH 03/14] drbd: remove RB_CONGESTED_REMOTE Christoph Hellwig
2020-07-24  7:32 bdi cleanups v3 Christoph Hellwig
2020-07-24  7:33 ` [PATCH 03/14] drbd: remove RB_CONGESTED_REMOTE Christoph Hellwig
2020-07-20  7:51 bdi cleanups Christoph Hellwig
2020-07-20  7:51 ` [PATCH 03/14] drbd: remove RB_CONGESTED_REMOTE Christoph Hellwig

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