linux-imx

    struct btrfs_extent_data_ref *dref;

    struct btrfs_shared_data_ref *sref;

    struct btrfs_disk_key key;

    unsigned long end;

    unsigned long ptr;

    u32 item_size = btrfs_item_size_nr(eb, slot);

    u64 flags;

    u64 offset;

    int ref_index = 0;

​

        btrfs_print_v0_err(eb->fs_info);

        btrfs_handle_fs_error(eb->fs_info, -EINVAL, NULL);

    }

​

    ei = btrfs_item_ptr(eb, slot, struct btrfs_extent_item);

    flags = btrfs_extent_flags(eb, ei);

​

    pr_info("\t\textent refs %llu gen %llu flags %llu\n",

           btrfs_extent_refs(eb, ei), btrfs_extent_generation(eb, ei),

           flags);