{
        struct btrfs_node *node = btrfs_buffer_node(buf);
        if (bh_blocknr(buf) != btrfs_header_blocknr(&node->header)) {
-               printk(KERN_CRIT "bh_blocknr(buf) is %Lu, header is %Lu\n",
-                      bh_blocknr(buf), btrfs_header_blocknr(&node->header));
+               printk(KERN_CRIT "bh_blocknr(buf) is %llu, header is %llu\n",
+                      (unsigned long long)bh_blocknr(buf),
+                      (unsigned long long)btrfs_header_blocknr(&node->header));
                return 1;
        }
        return 0;
                return ret;
        if (verify) {
                if (memcmp(bh->b_data, result, BTRFS_CRC32_SIZE)) {
-                       printk("checksum verify failed on %Lu\n",
-                              bh_blocknr(bh));
+                       printk("btrfs: %s checksum verify failed on %llu\n",
+                              root->fs_info->sb->s_id,
+                              (unsigned long long)bh_blocknr(bh));
                        return 1;
                }
        } else {
 
        struct btrfs_block_group_item *bi;
        u32 type;
 
-       printk("leaf %Lu total ptrs %d free space %d\n",
-               btrfs_header_blocknr(&l->header), nr,
+       printk("leaf %llu total ptrs %d free space %d\n",
+               (unsigned long long)btrfs_header_blocknr(&l->header), nr,
                btrfs_leaf_free_space(root, l));
        for (i = 0 ; i < nr ; i++) {
                item = l->items + i;
                type = btrfs_disk_key_type(&item->key);
-               printk("\titem %d key (%Lu %x %Lu) itemoff %d itemsize %d\n",
+               printk("\titem %d key (%llu %x %llu) itemoff %d itemsize %d\n",
                        i,
-                       btrfs_disk_key_objectid(&item->key),
+                       (unsigned long long)btrfs_disk_key_objectid(&item->key),
                        btrfs_disk_key_flags(&item->key),
-                       btrfs_disk_key_offset(&item->key),
+                       (unsigned long long)btrfs_disk_key_offset(&item->key),
                        btrfs_item_offset(item),
                        btrfs_item_size(item));
                switch (type) {
                case BTRFS_INODE_ITEM_KEY:
                        ii = btrfs_item_ptr(l, i, struct btrfs_inode_item);
-                       printk("\t\tinode generation %Lu size %Lu mode %o\n",
-                              btrfs_inode_generation(ii),
-                              btrfs_inode_size(ii),
+                       printk("\t\tinode generation %llu size %llu mode %o\n",
+                              (unsigned long long)btrfs_inode_generation(ii),
+                              (unsigned long long)btrfs_inode_size(ii),
                               btrfs_inode_mode(ii));
                        break;
                case BTRFS_DIR_ITEM_KEY:
                        di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
-                       printk("\t\tdir oid %Lu flags %u type %u\n",
-                               btrfs_disk_key_objectid(&di->location),
+                       printk("\t\tdir oid %llu flags %u type %u\n",
+                               (unsigned long long)btrfs_disk_key_objectid(
+                                                           &di->location),
                                btrfs_dir_flags(di),
                                btrfs_dir_type(di));
                        printk("\t\tname %.*s\n",
                        break;
                case BTRFS_ROOT_ITEM_KEY:
                        ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
-                       printk("\t\troot data blocknr %Lu refs %u\n",
-                               btrfs_root_blocknr(ri), btrfs_root_refs(ri));
+                       printk("\t\troot data blocknr %llu refs %u\n",
+                               (unsigned long long)btrfs_root_blocknr(ri),
+                               btrfs_root_refs(ri));
                        break;
                case BTRFS_EXTENT_ITEM_KEY:
                        ei = btrfs_item_ptr(l, i, struct btrfs_extent_item);
                case BTRFS_BLOCK_GROUP_ITEM_KEY:
                        bi = btrfs_item_ptr(l, i,
                                            struct btrfs_block_group_item);
-                       printk("\t\tblock group used %Lu\n",
-                              btrfs_block_group_used(bi));
+                       printk("\t\tblock group used %llu\n",
+                              (unsigned long long)btrfs_block_group_used(bi));
                        break;
                case BTRFS_STRING_ITEM_KEY:
                        printk("\t\titem data %.*s\n", btrfs_item_size(item),
                btrfs_print_leaf(root, (struct btrfs_leaf *)c);
                return;
        }
-       printk("node %Lu level %d total ptrs %d free spc %u\n",
-              btrfs_header_blocknr(&c->header),
+       printk("node %llu level %d total ptrs %d free spc %u\n",
+              (unsigned long long)btrfs_header_blocknr(&c->header),
               btrfs_header_level(&c->header), nr,
               (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr);
        for (i = 0; i < nr; i++) {
-               printk("\tkey %d (%Lu %u %Lu) block %Lu\n",
+               printk("\tkey %d (%llu %u %llu) block %llu\n",
                       i,
-                      c->ptrs[i].key.objectid,
+                      (unsigned long long)c->ptrs[i].key.objectid,
                       c->ptrs[i].key.flags,
-                      c->ptrs[i].key.offset,
-                      btrfs_node_blockptr(c, i));
+                      (unsigned long long)c->ptrs[i].key.offset,
+                      (unsigned long long)btrfs_node_blockptr(c, i));
        }
        for (i = 0; i < nr; i++) {
                struct buffer_head *next_buf = read_tree_block(root,