*/
        if (!IS_ALIGNED(btrfs_super_root(sb), 4096))
                printk(KERN_WARNING "BTRFS: tree_root block unaligned: %llu\n",
-                               sb->root);
+                               btrfs_super_root(sb));
        if (!IS_ALIGNED(btrfs_super_chunk_root(sb), 4096))
-               printk(KERN_WARNING "BTRFS: tree_root block unaligned: %llu\n",
-                               sb->chunk_root);
+               printk(KERN_WARNING "BTRFS: chunk_root block unaligned: %llu\n",
+                               btrfs_super_chunk_root(sb));
        if (!IS_ALIGNED(btrfs_super_log_root(sb), 4096))
-               printk(KERN_WARNING "BTRFS: tree_root block unaligned: %llu\n",
+               printk(KERN_WARNING "BTRFS: log_root block unaligned: %llu\n",
                                btrfs_super_log_root(sb));
 
        if (memcmp(fs_info->fsid, sb->dev_item.fsid, BTRFS_UUID_SIZE) != 0) {