1 files changed, 0 insertions, 53 deletions

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 9956c53f18f6..a735576471a9 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -3700,17 +3700,11 @@ static int __btrfs_balance(struct btrfs_fs_info *fs_info)
 {
         struct btrfs_balance_control *bctl = fs_info->balance_ctl;
         struct btrfs_root *chunk_root = fs_info->chunk_root;
-        struct btrfs_root *dev_root = fs_info->dev_root;
-        struct list_head *devices;
-        struct btrfs_device *device;
-        u64 old_size;
-        u64 size_to_free;
         u64 chunk_type;
         struct btrfs_chunk *chunk;
         struct btrfs_path *path = NULL;
         struct btrfs_key key;
         struct btrfs_key found_key;
-        struct btrfs_trans_handle *trans;
         struct extent_buffer *leaf;
         int slot;
         int ret;
@@ -3725,53 +3719,6 @@ static int __btrfs_balance(struct btrfs_fs_info *fs_info)
         u32 count_sys = 0;
         int chunk_reserved = 0;
 
-        /* step one make some room on all the devices */
-        devices = &fs_info->fs_devices->devices;
-        list_for_each_entry(device, devices, dev_list) {
-                old_size = btrfs_device_get_total_bytes(device);
-                size_to_free = div_factor(old_size, 1);
-                size_to_free = min_t(u64, size_to_free, SZ_1M);
-                if (!test_bit(BTRFS_DEV_STATE_WRITEABLE, &device->dev_state) ||
-                    btrfs_device_get_total_bytes(device) -
-                    btrfs_device_get_bytes_used(device) > size_to_free ||
-                    test_bit(BTRFS_DEV_STATE_REPLACE_TGT, &device->dev_state))
-                        continue;
-
-                ret = btrfs_shrink_device(device, old_size - size_to_free);
-                if (ret == -ENOSPC)
-                        break;
-                if (ret) {
-                        /* btrfs_shrink_device never returns ret > 0 */
-                        WARN_ON(ret > 0);
-                        goto error;
-                }
-
-                trans = btrfs_start_transaction(dev_root, 0);
-                if (IS_ERR(trans)) {
-                        ret = PTR_ERR(trans);
-                        btrfs_info_in_rcu(fs_info,
-                 "resize: unable to start transaction after shrinking device %s (error %d), old size %llu, new size %llu",
-                                          rcu_str_deref(device->name), ret,
-                                          old_size, old_size - size_to_free);
-                        goto error;
-                }
-
-                ret = btrfs_grow_device(trans, device, old_size);
-                if (ret) {
-                        btrfs_end_transaction(trans);
-                        /* btrfs_grow_device never returns ret > 0 */
-                        WARN_ON(ret > 0);
-                        btrfs_info_in_rcu(fs_info,
-                 "resize: unable to grow device after shrinking device %s (error %d), old size %llu, new size %llu",
-                                          rcu_str_deref(device->name), ret,
-                                          old_size, old_size - size_to_free);
-                        goto error;
-                }
-
-                btrfs_end_transaction(trans);
-        }
-
-        /* step two, relocate all the chunks */
         path = btrfs_alloc_path();
         if (!path) {
                 ret = -ENOMEM;