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authorChristoph Hellwig <hch@lst.de>2020-09-24 08:51:29 +0200
committerJens Axboe <axboe@kernel.dk>2020-09-24 13:43:38 -0600
commitb807a2c5e0e2e81c96160682977c6f497cfcee96 (patch)
treefcf65a3f48929d9b661f2c677bbc5d3117769f1c /drivers/block
parent402dd2cf46b177be5bcb138b7d7fd8f38aa130e4 (diff)
drbd: remove dead code in device_to_statistics
Ever since the switch to blk-mq, a lower device not used for VM writeback will not be marked congested, so the check will never trigger. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Jan Kara <jack@suse.cz> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block')
-rw-r--r--drivers/block/drbd/drbd_nl.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 43c8ae4d9fca..aaff5bde3915 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);