root_item_offset 1018 fs/btrfs/check-integrity.c u32 root_item_offset; root_item_offset 1021 fs/btrfs/check-integrity.c root_item_offset = item_offset + root_item_offset 1023 fs/btrfs/check-integrity.c if (root_item_offset + item_size > root_item_offset 1028 fs/btrfs/check-integrity.c root_item_offset,