static int
 read_block_for_search(struct btrfs_root *root, struct btrfs_path *p,
                      struct extent_buffer **eb_ret, int level, int slot,
-                     const struct btrfs_key *key, u64 time_seq)
+                     const struct btrfs_key *key)
 {
        struct btrfs_fs_info *fs_info = root->fs_info;
        u64 blocknr;
                        }
 
                        err = read_block_for_search(root, p, &b, level,
-                                                   slot, key, 0);
+                                                   slot, key);
                        if (err == -EAGAIN)
                                goto again;
                        if (err) {
                        }
 
                        err = read_block_for_search(root, p, &b, level,
-                                                   slot, key, time_seq);
+                                                   slot, key);
                        if (err == -EAGAIN)
                                goto again;
                        if (err) {
                next = c;
                next_rw_lock = path->locks[level];
                ret = read_block_for_search(root, path, &next, level,
-                                           slot, &key, 0);
+                                           slot, &key);
                if (ret == -EAGAIN)
                        goto again;
 
                        break;
 
                ret = read_block_for_search(root, path, &next, level,
-                                           0, &key, 0);
+                                           0, &key);
                if (ret == -EAGAIN)
                        goto again;