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-rw-r--r--fs/btrfs/disk-io.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index c850d7f44fbe..9ae25f632157 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1677,27 +1677,6 @@ struct btrfs_root *btrfs_get_new_fs_root(struct btrfs_fs_info *fs_info,
return btrfs_get_root_ref(fs_info, objectid, anon_dev, true);
}
-static int btrfs_congested_fn(void *congested_data, int bdi_bits)
-{
- struct btrfs_fs_info *info = (struct btrfs_fs_info *)congested_data;
- int ret = 0;
- struct btrfs_device *device;
- struct backing_dev_info *bdi;
-
- rcu_read_lock();
- list_for_each_entry_rcu(device, &info->fs_devices->devices, dev_list) {
- if (!device->bdev)
- continue;
- bdi = device->bdev->bd_bdi;
- if (bdi_congested(bdi, bdi_bits)) {
- ret = 1;
- break;
- }
- }
- rcu_read_unlock();
- return ret;
-}
-
/*
* called by the kthread helper functions to finally call the bio end_io
* functions. This is where read checksum verification actually happens
@@ -3112,8 +3091,6 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device
goto fail_sb_buffer;
}
- sb->s_bdi->congested_fn = btrfs_congested_fn;
- sb->s_bdi->congested_data = fs_info;
sb->s_bdi->capabilities |= BDI_CAP_CGROUP_WRITEBACK;
sb->s_bdi->ra_pages = VM_READAHEAD_PAGES;
sb->s_bdi->ra_pages *= btrfs_super_num_devices(disk_super);