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From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: Jens Axboe <axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org>
Cc: Song Liu <song-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Richard Weinberger <richard-/L3Ra7n9ekc@public.gmane.org>,
	linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
	dm-devel-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
	linux-block-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	drbd-dev-cunTk1MwBs8qoQakbn7OcQ@public.gmane.org,
	linux-raid-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	linux-mm-Bw31MaZKKs3YtjvyW6yDsg@public.gmane.org,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: [PATCH 02/14] drbd: remove dead code in device_to_statistics
Date: Mon, 20 Jul 2020 09:51:36 +0200	[thread overview]
Message-ID: <20200720075148.172156-3-hch@lst.de> (raw)
In-Reply-To: <20200720075148.172156-1-hch-jcswGhMUV9g@public.gmane.org>

Ever since the switch to blk-mq, a lower device not use by VM
writeback will not be marked congested, so the check will never
trigger.

Signed-off-by: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
---
 drivers/block/drbd/drbd_nl.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index d0d9a549b58388..650372ee2c7822 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -3370,7 +3370,6 @@ static void device_to_statistics(struct device_statistics *s,
 	if (get_ldev(device)) {
 		struct drbd_md *md = &device->ldev->md;
 		u64 *history_uuids = (u64 *)s->history_uuids;
-		struct request_queue *q;
 		int n;
 
 		spin_lock_irq(&md->uuid_lock);
@@ -3384,11 +3383,6 @@ static void device_to_statistics(struct device_statistics *s,
 		spin_unlock_irq(&md->uuid_lock);
 
 		s->dev_disk_flags = md->flags;
-		q = bdev_get_queue(device->ldev->backing_bdev);
-		s->dev_lower_blocked =
-			bdi_congested(q->backing_dev_info,
-				      (1 << WB_async_congested) |
-				      (1 << WB_sync_congested));
 		put_ldev(device);
 	}
 	s->dev_size = drbd_get_capacity(device->this_bdev);
-- 
2.27.0

WARNING: multiple messages have this Message-ID (diff)
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>,
	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
Subject: [PATCH 02/14] drbd: remove dead code in device_to_statistics
Date: Mon, 20 Jul 2020 09:51:36 +0200	[thread overview]
Message-ID: <20200720075148.172156-3-hch@lst.de> (raw)
In-Reply-To: <20200720075148.172156-1-hch@lst.de>

Ever since the switch to blk-mq, a lower device not use by VM
writeback will not be marked congested, so the check will never
trigger.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/drbd/drbd_nl.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index d0d9a549b58388..650372ee2c7822 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -3370,7 +3370,6 @@ static void device_to_statistics(struct device_statistics *s,
 	if (get_ldev(device)) {
 		struct drbd_md *md = &device->ldev->md;
 		u64 *history_uuids = (u64 *)s->history_uuids;
-		struct request_queue *q;
 		int n;
 
 		spin_lock_irq(&md->uuid_lock);
@@ -3384,11 +3383,6 @@ static void device_to_statistics(struct device_statistics *s,
 		spin_unlock_irq(&md->uuid_lock);
 
 		s->dev_disk_flags = md->flags;
-		q = bdev_get_queue(device->ldev->backing_bdev);
-		s->dev_lower_blocked =
-			bdi_congested(q->backing_dev_info,
-				      (1 << WB_async_congested) |
-				      (1 << WB_sync_congested));
 		put_ldev(device);
 	}
 	s->dev_size = drbd_get_capacity(device->this_bdev);
-- 
2.27.0


WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de>
To: Jens Axboe <axboe@kernel.dk>
Cc: linux-raid@vger.kernel.org, Hans de Goede <hdegoede@redhat.com>,
	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 02/14] drbd: remove dead code in device_to_statistics
Date: Mon, 20 Jul 2020 09:51:36 +0200	[thread overview]
Message-ID: <20200720075148.172156-3-hch@lst.de> (raw)
In-Reply-To: <20200720075148.172156-1-hch@lst.de>

Ever since the switch to blk-mq, a lower device not use by VM
writeback will not be marked congested, so the check will never
trigger.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/drbd/drbd_nl.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index d0d9a549b58388..650372ee2c7822 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -3370,7 +3370,6 @@ static void device_to_statistics(struct device_statistics *s,
 	if (get_ldev(device)) {
 		struct drbd_md *md = &device->ldev->md;
 		u64 *history_uuids = (u64 *)s->history_uuids;
-		struct request_queue *q;
 		int n;
 
 		spin_lock_irq(&md->uuid_lock);
@@ -3384,11 +3383,6 @@ static void device_to_statistics(struct device_statistics *s,
 		spin_unlock_irq(&md->uuid_lock);
 
 		s->dev_disk_flags = md->flags;
-		q = bdev_get_queue(device->ldev->backing_bdev);
-		s->dev_lower_blocked =
-			bdi_congested(q->backing_dev_info,
-				      (1 << WB_async_congested) |
-				      (1 << WB_sync_congested));
 		put_ldev(device);
 	}
 	s->dev_size = drbd_get_capacity(device->this_bdev);
-- 
2.27.0


______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

  parent reply	other threads:[~2020-07-20  7:51 UTC|newest]

Thread overview: 72+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-20  7:51 bdi cleanups Christoph Hellwig
2020-07-20  7:51 ` Christoph Hellwig
2020-07-20  7:51 ` [PATCH 01/14] fs: remove the unused SB_I_MULTIROOT flag Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig
     [not found] ` <20200720075148.172156-1-hch-jcswGhMUV9g@public.gmane.org>
2020-07-20  7:51   ` Christoph Hellwig [this message]
2020-07-20  7:51     ` [PATCH 02/14] drbd: remove dead code in device_to_statistics Christoph Hellwig
2020-07-20  7:51     ` Christoph Hellwig
2020-07-20  7:51   ` [PATCH 04/14] bdi: initialize ->ra_pages in bdi_init Christoph Hellwig
2020-07-20  7:51     ` Christoph Hellwig
2020-07-20  7:51     ` Christoph Hellwig
2020-07-20 11:58     ` Richard Weinberger
2020-07-20 11:58       ` Richard Weinberger
2020-07-20 11:58       ` Richard Weinberger
2020-07-20 12:07       ` Christoph Hellwig
2020-07-20 12:07         ` Christoph Hellwig
     [not found]         ` <20200720120734.GA29061-jcswGhMUV9g@public.gmane.org>
2020-07-20 12:37           ` Artem Bityutskiy
2020-07-20 12:37             ` Artem Bityutskiy
2020-07-20 12:37             ` Artem Bityutskiy
2020-07-20 12:37             ` Artem Bityutskiy
2020-07-20 21:27             ` Richard Weinberger
2020-07-20 21:27               ` Richard Weinberger
2020-07-20 21:27               ` Richard Weinberger
     [not found]               ` <CAFLxGvyxtYnJ5UdD18uNA97zQaDB8-Wv8MHQn2g9GYD74v7cTg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2020-07-21  5:00                 ` Christoph Hellwig
2020-07-21  5:00                   ` Christoph Hellwig
2020-07-21  5:00                   ` Christoph Hellwig
2020-07-20  7:51   ` [PATCH 07/14] block: make QUEUE_SYSFS_BIT_FNS a little more useful Christoph Hellwig
2020-07-20  7:51     ` Christoph Hellwig
2020-07-20  7:51     ` Christoph Hellwig
2020-07-20  7:51 ` [PATCH 03/14] drbd: remove RB_CONGESTED_REMOTE Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig
2020-07-20  7:51 ` [PATCH 05/14] md: update the optimal I/O size on reshape Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig
2020-07-20  7:51 ` [PATCH 06/14] block: lift setting the readahead size into the block layer Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig
2020-07-20  7:51 ` [PATCH 08/14] block: add helper macros for queue sysfs entries Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig
2020-07-20  7:51 ` [PATCH 09/14] bdi: remove BDI_CAP_CGROUP_WRITEBACK Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig
2020-07-20  7:51 ` [PATCH 10/14] bdi: remove BDI_CAP_SYNCHRONOUS_IO Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig
2020-07-20  7:51 ` [PATCH 11/14] mm: use SWP_SYNCHRONOUS_IO more intelligently Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig
2020-07-20 17:52   ` Shakeel Butt
2020-07-20 17:52     ` Shakeel Butt
2020-07-20 17:52     ` Shakeel Butt
     [not found]     ` <CALvZod7ACBnNX5W-gtTzheh8R-rxv1nB-5q7UcDUZ7BvtpakpA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2020-07-21  5:46       ` Minchan Kim
2020-07-21  5:46         ` Minchan Kim
2020-07-21  5:46         ` Minchan Kim
2020-07-20  7:51 ` [PATCH 12/14] bdi: replace BDI_CAP_STABLE_WRITES with a queue and a sb flag Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig
2020-07-20  7:51 ` [PATCH 13/14] bdi: invert BDI_CAP_NO_ACCT_WB Christoph Hellwig
2020-07-20  7:51   ` Christoph Hellwig
2020-07-20  7:51 ` [PATCH 14/14] bdi: replace BDI_CAP_NO_{WRITEBACK,ACCT_DIRTY} with a single flag Christoph Hellwig
2020-07-20  7:51   ` [PATCH 14/14] bdi: replace BDI_CAP_NO_{WRITEBACK, ACCT_DIRTY} " Christoph Hellwig
2020-07-22  6:25 bdi cleanups v2 Christoph Hellwig
2020-07-22  6:25 ` [PATCH 02/14] drbd: remove dead code in device_to_statistics Christoph Hellwig
2020-07-22  6:25   ` Christoph Hellwig
2020-07-22  7:03   ` Johannes Thumshirn
2020-07-22  7:03     ` Johannes Thumshirn
     [not found]     ` <SN4PR0401MB3598495DA5AF46CAF019BDC69B790-OZENnpeWoeG1GMmP3NTBp/nBZW37Ciw+nBOFsp37pqbUKgpGm//BTAC/G2K4zDHf@public.gmane.org>
2020-07-22  7:07       ` Christoph Hellwig
2020-07-22  7:07         ` Christoph Hellwig
2020-07-22  7:07         ` Christoph Hellwig
2020-07-22  7:14         ` Johannes Thumshirn
2020-07-22  7:14           ` Johannes Thumshirn
2020-07-22  7:14           ` Johannes Thumshirn
2020-07-24  7:32 bdi cleanups v3 Christoph Hellwig
2020-07-24  7:33 ` [PATCH 02/14] drbd: remove dead code in device_to_statistics Christoph Hellwig
2020-07-24  7:33   ` Christoph Hellwig
2020-07-28 12:14   ` Johannes Thumshirn
2020-07-28 12:14     ` Johannes Thumshirn
2020-07-26 15:03 bdi cleanups v3 Christoph Hellwig
     [not found] ` <20200726150333.305527-1-hch-jcswGhMUV9g@public.gmane.org>
2020-07-26 15:03   ` [PATCH 02/14] drbd: remove dead code in device_to_statistics Christoph Hellwig
2020-07-26 15:03     ` Christoph Hellwig
2020-07-26 15:03     ` Christoph Hellwig

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